| 单词 | gradient |
| 例句 | En route, traveling the gradient of bombykol, he notes the presence of other males, heading in the same direction, all in a good mood, inclined to race for the sheer sport of it. The Lives of a Cell 1974-01-01T00:00:00Z He droned on and on about dendrites and voltage gradients, but in my dream I couldn’t stop wondering how much of what I remembered about Jesse was truth and how much was fiction. We Are the Ants 2016-01-19T00:00:00Z She knew exactly where the gradient shifted to put it into neutral. Born a Crime: Stories from a South African Childhood 2016-11-15T00:00:00Z He waited for the indigo gradient of the sky as the sun went down, until the first star of the evening. The Serpent King 2016-03-08T00:00:00Z In English, they would be free of the sharply defined gradients of Korean hierarchy: formal deference, informal deference, blunt, familiar, intimate, and plain. Outliers 2008-11-18T00:00:00Z The proteins create a gradient within the egg. The Gene 2016-06-02T00:00:00Z Her techniques span both disciplines as well: She’s been developing ways to mimic Photoshop effects in her process, blending colors into gradients or stenciling and masking to create sharp edges. | The New Ceramicists 2014-04-07T19:31:23Z Yet there are still gradients of this behaviour, which their adoring public are prepared to put up with. Chris Brown: not the first pop star with a God complex 2013-01-29T16:15:06Z With soft multicolored gradients layered beneath animated confetti or Doge heads, Partiful’s interface looks less like the sober grids of its competitors and more like the blurry experience of spinning across a dance floor. Is This the Least Cringe Option to Get People to Your Party? 2022-09-15T04:00:00Z As a gay black man from a working-class Alabama family he has spent his life "swimming against the gradient" and the labor of that, on top of his grueling academic work, has worn him down. 7 must-read novels to transport you in February 2020-02-04T05:00:00Z Otira tunnel, completed in 1923; up to 18 trains a day still climb up and down its 1:33 gradient, transporting coal from west to east. Passing panorama: New Zealand’s glory from a train window 2018-01-14T05:00:00Z “Three Drums” contrasts the textures of live percussion and otherworldly synth gradients, resulting in a hypnotic composition that ebbs and flows like an ocean. Jack Harlow Goes Deep on Race and Rap, and 8 More New Songs 2023-04-28T04:00:00Z I too would argue that life’s forwardness and towardness comes before any discrete task—any, that is, except for gradient reduction. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z Her life as a housewife shifts between gradients of exhaustion and ennui until Tomiko, her mother-in-law, asks her to run an errand. She Tumbled Into a Hole, and Her World Broke Open 2020-10-06T04:00:00Z But energy gradients in themselves are not enough. Creation: The Origin of Life/The Future of Life by Adam Rutherford – review 2013-03-27T08:25:00Z Here where the Thames basin flattens, the cess has to be pumped forty feet up to give it the gradient to reach Beckton. TS Eliot's The Waste Land 2012 – a multimedia walk 2012-07-30T11:14:00Z To create an ombré effect, with a gradient of shades, pull the eggs progressively. The prettiest pickled egg recipe you ever did see 2022-04-16T04:00:00Z As expected, the gradient is evident, going from dullest at the left, to shiniest at the far right. Sourdough baps are the ultimate burger buns (yes, we said it!) 2021-08-11T04:00:00Z When stretched and hung, traces of the once three-dimensional folded canvas is transformed into gradient patterns resulting in a textured surface of light and shadow. In San Francisco, Art That Unspools the Mysteries of the Universe 2022-01-27T05:00:00Z “We call that gradient exposure,” Serani says, and it is a good way to ease into a worrisome situation. How we can overcome our covid conditioning and start traveling again 2021-04-29T04:00:00Z Kin is part of a flourishing “functional beverage” category, often branded with gradient, pastel colors, 1970s nostalgia logos and no alcohol. Beverages With Benefits: Do They Really Work? 2022-01-20T05:00:00Z Inside, a circular display stretched nearly to the ceiling, catching the light of a gradient illumination that changed colors like the rising and setting sun. Your Suitcase Is Texting 2016-04-06T04:00:00Z “Queen of blurring your face out with a yellow to pink gradient,” one wrote, describing the album art. Carly Rae Jepsen’s Ecstatic Hymns to Love 2016-08-31T04:00:00Z Furthermore, similarity is not a yes/no distinction but a complex gradient between “like” and “unlike.” Mind reading is possible! 2012-12-15T23:00:00Z Here and there the natural gradient was interrupted by a perfectly symmetrical bomb crater, grown over with the same dry grass that covered everything else. Footsteps: In Laos, the Lady and the Jars 2012-07-13T16:23:26Z Mr. Abloh greeted him, and they strolled to the foot of the runway, a gradient rainbow path that went the entire length of the 17th-century courtyard. Playboi Carti Conquers the Paris Runway 2018-06-29T04:00:00Z As a cyclical system, life’s ends and means must be entailed, but organisms can become their own purposes only within the larger context of gradient destruction in which they are already always engaged. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z I zigzag from side to side up the road to reduce the gradient – one short tack against the camber, then one long one up the easier side of the road. Crossing the Acheron: cycling Australia's Seven Peaks Ride 2015-11-16T05:00:00Z After that the gradient is mild, but the road surface is heavy and the scenery monotonous. Crossing the Acheron: cycling Australia's Seven Peaks Ride 2015-11-16T05:00:00Z Rather, Ms. Borges devised and then self-published “Anger Confetti: An All Ages Stress Reduction Activity Book,” filled with colored pages arranged in a rainbow gradient and that users are encouraged to rip to shreds. The Three A.M. Club 2020-10-30T04:00:00Z “In our mind, we perceive clear and clean borders, but when you approach a cloud the edges dissolve into nothing, into a gradient.” The Artist Who Wants to Make the E.U. Sexy—And Defeat Brexit 2016-05-01T04:00:00Z Going uphill in the Pyrenees and the Alps is quite easy, really, because the gradients are quite regular. Q&A: Biking Hercules’ Way in France 2014-04-18T18:27:06Z Departing from the hardback design, Huang achieved the rock vibe by using the gradient, color-blocked background typically found on concert posters and fliers from that era. How paperback redesigns give publishers a second chance at winning readers 2018-12-27T05:00:00Z And each new painting uses several gradients of just one color. Pandemic-Forced Isolation Opens New Artistic Pathways 2020-10-22T04:00:00Z Purchase a phone app for about $11.50 that contains all the necessary information, including path gradient and difficulty, as well as a route map and where to find water and accommodations. In Italy, a poetic walk in Dante’s footsteps 2021-11-04T04:00:00Z From there the show unfolds into a stunning room full of massive ocean-hued gradient paintings with neutral borders hovering above two beaches of Hamptons sand. Rob Pruitt Marks the Passage of Time at His New Solo Show 2014-09-16T04:00:00Z She recognizes that there are gradients, “But, those ‘small’ things add up to a lot.” The sexual-harassment epidemic has been diagnosed. What’s the cure? 2017-11-17T05:00:00Z “It’s a very sheer tulle,” Lee said, “but then layers of sequins and other beaded materials cascade down so it creates this seamless gradient up her body.” New Looks in ‘Frozen 2’ for Sisters on an Adventure 2019-10-31T04:00:00Z We exclude what we exclude, but it comes back as a wake-up call: We are missing something, the essence of our nature, which is to reduce gradients and preserve ourselves as gradient-reducing beings. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z Proton gradients – do they have something to do with it? Dancing on the Edge; The Year of Making Love – TV review 2013-02-05T07:00:11Z Fidgeting such as tapping your foot serves no higher purpose but adds to gradient reduction. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z But, like any massive group of human beings, we are smart, stupid, driven, lazy, honest, corrupt, insightful, obtuse, compassionate, cruel, fascinating, dull, fun, boring and every gradient in between. How to handle anti-Americanism when you travel 2015-01-15T05:00:00Z Then on to the big crater, because it's good for illustrating proton gradients, which, it turns out, are absolutely crucial to everything. The Wonders of Life 2013-01-28T06:59:01Z So instead they picked “The American Spectrum,” a row of abstract faces painted in a gradient of skin tones from dark to light. Faith Ringgold: ‘I Didn’t Want People to Be Able to Look, and Look Away’ 2022-03-30T04:00:00Z It’s easy to track the movement of a Dirty Shirley at a bar: Look for a tall glass of Sprite with a gradient of bright red grenadine and a maraschino cherry floating on top. Is the Dirty Shirley the Drink of the Summer? 2022-05-05T04:00:00Z It only ever cycles in order to reduce ambient gradients. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z The gradient gradually gets easier, and then suddenly I look up and find that it’s almost flat. Crossing the Acheron: cycling Australia's Seven Peaks Ride 2015-11-16T05:00:00Z That’s the general standard of compost quality, but in fact there is more of a gradient — more stages at which decomposing organic materials can be of use to the gardener. Why compost is the lifeblood of the garden 2016-11-29T05:00:00Z That poleward temperature gradient causes air to start flowing from the North Pole southward, and a spinning Earth forces the air to move from west to east, creating the jet stream. Blame a warm Arctic for this year’s miserable winter 2014-02-27T13:15:00Z At the afterparty, held at NeueHouse’s rooftop bar, I watched the sunset over Sunset Boulevard, all palm trees and glowing gradient, before sneaking off to paw through “High Winds.” Keanu Reeves is a publisher of the new L.A. press X Artists' Books 2017-07-19T04:00:00Z There are trees made of succulents; ones decorated with Polaroids, silk flowers, gingerbread and gumdrops, and even multicolored disco balls; and those with colorful decorations that flow in gradients. For this year’s Christmas tree decorations, embrace the unexpected 2021-12-08T05:00:00Z The gradient is steady, and only becomes difficult in the final kilometres when I reach a short, sharp 13% turn, appropriately named Hell Corner. Crossing the Acheron: cycling Australia's Seven Peaks Ride 2015-11-16T05:00:00Z And by entropy, I don’t mean molecules or thermal gradients. How to Win the Clutter War 2015-03-12T04:00:00Z Surprisingly, the experimental of My Cabal works well alongside it, and an encore of Sempiternal puts the band on a gradient to glory. School of Seven Bells 2010-07-26T20:46:00Z White sand stretched out in all directions, seeming to meld with the cloudy sky in gradients of soft milky shades of ivory and cream. Overnighter: In Bustling Vietnam, a Rare and (still untrammeled) Escape 2012-01-13T17:53:11Z Windows and screens appear frequently here, as do drop shadows, flattened gradients and the odd perspectives of video games and digital animation. What to See in New York Art Galleries This Week 2018-06-27T04:00:00Z That, in turn, allowed the formation of a strong voltage gradient across their boundaries. Heart of the matter 2015-04-30T04:00:00Z Inspired by bits and pieces from the archives, it was entirely handmade, and some links were set with gradient gray pavé diamonds. Mapplethorpe Jewelry Inspires a New Collection 2021-04-23T04:00:00Z Above the yellow and green of the whin bushes – gorse is the English word – steam would shoot up from an express tackling the gradient to the Forth Bridge. Election memories 2010-04-09T23:07:00Z Subsequently, participants were shown 12 images of men on the beard/clean-shaven gradient and asked to rank their attractiveness. Sorry guys! New study says you may want to rethink your beard 2014-04-16T22:30:00Z Lightning reduces an electrical energy gradient, thought the redox gradient of the blood going to your brain. Why are we here? Evolution’s dirty secrets 2013-06-02T11:00:00Z The tangle of language at the top of one page trails off into a sparse gradient. Art Gallery Shows to See in February 2023-02-01T05:00:00Z What is the next gradient shade on that spectrum? "I've done my share of bombing": Marc Maron talks about navigating failure, grief and embarrassment 2023-02-11T05:00:00Z Each of the Colors of the World crayons will be wrapped in “gradient” skin tone labels with the color names listed in English, Spanish and French. Crayola releases 'colors of the world' crayons representing more than 40 skin tones 2020-05-22T04:00:00Z Round a corner and out pops a slick airbrushed portrait of a demonic clown, or a biohazard symbol on a green and black gradient, scratched like a school desk. Anne Imhof, Dancing in the Ruins 2023-02-23T05:00:00Z In school, she favored abstraction: “Brush marks, gradients, working with the texture of paint.” A Long Beach-born painter captures the surrealism of the Cambodian American experience 2023-11-09T05:00:00Z The research team discovered that the BRS revealed a distinct, repeatable gradient of FNC patterns for each psychiatric disorder in over 8,000 unaffected teenagers, ranging from low to high risk. Connectivity scans could serve as brain 'blueprints' for adolescents, researchers find 2023-11-07T05:00:00Z But we've historically always had a limited range of gradient possibilities with our own mouths, based on diet, genetics and other unique factors. How white should your teeth really be? 2023-10-29T04:00:00Z This nanoscale device could represent a paradigm shift, harnessing power from ion gradients or electrical potential across a solid-state nanopore to drive the turbine into mechanical rotations. DNA Origami nanoturbine sets new horizon for nanomotors 2023-10-26T04:00:00Z Arctic warming has further sharpened the temperature gradient between these different zones. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z Biologists often find that along such a large elevation gradient, an animal specializes into subspecies and even new species. Mice thrive at 6700 kilometers up—higher than any mammals were thought able to live 2023-10-23T04:00:00Z The state transportation department is replacing old, rusting metal pipes with broad, concrete promenades that provide more gradual gradients and gentler flows for salmon swimming upstream to access more spawning grounds. DNA shows where Washington culvert replacements helped spawning salmon 2023-10-19T04:00:00Z The reason the water is black is that it contains large amounts of dissolved organic material and hardly any sediment because of the river's low gradient. Researchers study one of the world's darkest rivers 2023-10-18T04:00:00Z This research achievement follows last year's introduction of the DNA active nanorotor, a self-configuring device capable of transforming energy from electrical or salt gradients into practical mechanical work. DNA Origami nanoturbine sets new horizon for nanomotors 2023-10-26T04:00:00Z The change in these gradients affects the formation of storms over the Arctic Ocean, helping cyclones grow more intense. Arctic Cyclones Are Getting Stronger, More Damaging 2023-10-23T04:00:00Z Overall it is particularly the communities of vocalizing species that mirrors the recolonisation very well -- because the communities follow strictly the recovery gradients. AI models identify biodiversity from animal sounds in tropical rainforests 2023-10-17T04:00:00Z Previous work had suggested that the primary sensory-fugal gradient was disrupted with schizophrenia, but the current study showed instead that secondary processing of the sensorimotor-visual gradient was affected in people with the disease. Brain connectivity is disrupted in schizophrenia 2023-10-17T04:00:00Z He and his colleagues instead turned to a method called gradient descent, which is more like directed evolution. AI Designs Little Robots in 30 Seconds and They Keep Sprouting Legs 2023-10-12T04:00:00Z The researchers integrated a gradient descent algorithm to accelerate the convergence rate of the cost function, which gauges the accuracy of the network with each training iteration. New easy-to-use optical chip can self-configure to perform various functions 2023-10-11T04:00:00Z This breakthrough method revolutionizes the estimation of gradients or derivatives of functions, a crucial step in many computational tasks. Exploring parameter shift for quantum fisher information 2023-10-11T04:00:00Z Other obstacles to large-scale manufacturing include non-uniform mixing, temperature gradients, and problems with heat transfer, among others. Two-dimensional compounds can capture carbon from the air 2023-10-04T04:00:00Z In contrast, soil is a particularly harsh place to live – it's a highly variable environment with steep chemical and physical gradients and big swings in temperature, moisture and nutrients. Your microbes live on after you die. A microbiologist explains how 2023-10-02T04:00:00Z “The real breakthrough here, in my opinion, is going to be when you take the gradient descent methods to evolve neural nets and connect them up with an evolvable body,” Hayles says. AI Designs Little Robots in 30 Seconds and They Keep Sprouting Legs 2023-10-12T04:00:00Z Designs featured blurred gradient prints reminiscent of overexposed camera film, while fabric twists suggested breezy motions and organic forms. Loewe showcases high-waisted silhouettes in surrealistic Paris fashion display 2023-09-29T04:00:00Z This involves running on a treadmill while the gradient is increased every two minutes. Sacked MoD Police officer wins sexist fitness case 2023-09-29T04:00:00Z They discovered these events are fueled by warming in the western Pacific Ocean and steep gradients in sea surface temperature from the western to central Pacific. Long-lasting La Nina events more common over past century 2023-09-21T04:00:00Z But the gradient is steepening, the air is increasingly rarefied. Chris Mason: The week UK politics changed gear 2023-09-23T04:00:00Z "With the same geometry and fixed temperature gradient, many times more electrical power could be generated than in any other known material," explains Fabian Garmroudi. Golden future for thermoelectrics 2023-09-18T04:00:00Z The water a gradient blue, almost black, as I swam around the pen and tried to see the ocean floor—and couldn’t. There’s only one offshore fish farm in the U.S. Why? 2023-09-06T04:00:00Z Some have gradient hues or stripes and can be bigger than your hand or as dainty as boutonnieres. Where have all the camellias gone? A bittersweet end for historic Nuccio's Nurseries 2023-07-19T04:00:00Z It's the gradient in electrical charge that sets off sudden sparks of lightning. The Most Intense Lightning Storm Ever Recorded Was Sparked by the Hunga Tonga Eruption 2023-06-21T04:00:00Z The furiously hot plasma won't stay still: it tends to develop large temperature gradients, which generate strong convection currents that make the plasma turbulent and hard to manage. What Is the Future of Fusion Energy? 2023-06-05T04:00:00Z Sulfur also plays a role in photosynthesis as part of the electron transport chain, where hydrogen gradients play a key role in the conversion of light energy into ATP. Fundamentals of Biology 2015-01-01T00:00:00Z Therefore, water will diffuse down its concentration gradient, crossing the membrane to the side where it is less concentrated. Concepts of Biology 2013-04-25T00:00:00Z “The greater the temperature gradient, the stronger the storm systems are,” Gensini said. Watch out: Series of dangerous storms target Midwest, South 2023-03-29T04:00:00Z To do that, it relies on magnetic field gradients applied at key moments. MRI for all: Cheap portable scanners aim to revolutionize medical imaging 2023-02-22T05:00:00Z The sky became a gradient of blue, darker the more I tilted my head up. Valentine’s Day Love Letters to California 2023-02-14T05:00:00Z This creates a “climatic gradient,” Simard says, allowing her to test how forests function in varying conditions and predict what might happen as temperatures rise and precipitation dwindles. With forests in peril, she’s on a mission to save ‘mother trees’ This diffusion of water through the membrane—osmosis—will continue until the concentration gradient of water goes to zero. Concepts of Biology 2013-04-25T00:00:00Z Cross-winds and occasional gradients made the stage difficult and confounded some riders. France’s Coquard wins Tour Down Under 4th stage; Vine leads 2023-01-20T05:00:00Z For example, a gradient applied during the echo from chin to crown makes protons in different sideways slices through the head radiate at different frequencies. MRI for all: Cheap portable scanners aim to revolutionize medical imaging 2023-02-22T05:00:00Z As the pressure difference, or gradient, grows between the low-pressure air mass and the neighboring higher-pressure air mass, the winds pick up sharply. ‘Polar Vortex’ Got You Baffled? Try This Extreme-Weather Guide 2023-01-18T05:00:00Z For example, human mammary epithelial cells – the cells lining the milk ducts in the breast – migrate toward areas of increasing stiffness when placed on a surface with a stiffness gradient. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Because cells contain proteins, most of which are negatively charged, and because ions move into and out of cells, there is an electrical gradient, a difference of charge, across the plasma membrane. Concepts of Biology 2013-04-25T00:00:00Z “In many ways, it brings up more questions than there would have been if they found organ-specific pH gradients,” McCoy says. Scientists Ruin Delicious Seabass to Probe Why Some Organs Don’t Fossilize 2022-11-24T05:00:00Z By varying the gradient, the scanner can deduce the strength of the echo from each slice. MRI for all: Cheap portable scanners aim to revolutionize medical imaging 2023-02-22T05:00:00Z While tropical storm systems are fueled primarily by warm water, nor’easters gain energy from sharp temperature gradients where cold and warm air masses meet. Why a Warming Climate Can Bring Bigger Snowstorms 2022-11-21T05:00:00Z Across the Buffalo metro area, snowfall totals thus far have walked a steep gradient. Massive lake-effect snowfalls in western New York blamed in 2 deaths 2022-11-18T05:00:00Z In solutions of more than one substance, each type of molecule diffuses according to its own concentration gradient. Concepts of Biology 2013-04-25T00:00:00Z Borrowing an ecological gradient concept developed in the United States and Australia, the researchers quantified and mapped the degree of urbanization throughout Berlin. Pioneering urban ecology finds surprising biodiversity in Berlin’s green spaces 2022-11-02T04:00:00Z Those sounds emerge as mechanical stresses rattle the current-carrying coils that create the magnetic gradients. MRI for all: Cheap portable scanners aim to revolutionize medical imaging 2023-02-22T05:00:00Z This is known as the potential gradient, and it is important in predicting the weather and understanding the chemical composition of the air. There’s Lightning Brewing in Every Swarm of Insects 2022-10-26T04:00:00Z Temperature gradients would affect how high the plume of radioactive material could rise up into the air, and the speed and direction of the wind would determine how far it could spread from the blast. Why Is Russia Suddenly Talking About ‘Dirty Bombs’? 2022-10-25T04:00:00Z Many factors can affect the rate of diffusion, including concentration gradient, the sizes of the particles that are diffusing, and the temperature of the system. Concepts of Biology 2013-04-25T00:00:00Z "It was a pretty innocuous pass and the gradient was pretty shallow. The sort of riding we do isn't extreme," said the brother. Sailor Jamie Mears died in Italy mountain bike fall 2022-10-10T04:00:00Z When we compared the human trees to the microbial trees, we discovered a gradient of how well they matched. Humans evolved with their microbiomes 2022-09-30T04:00:00Z Regular changes in the gradient even affect how animals navigate their surroundings. There’s Lightning Brewing in Every Swarm of Insects 2022-10-26T04:00:00Z The region’s sheer altitude gradient allowed researchers to study mushrooms in a 9,842-foot range, mapping specimens in the forests below Lukla up to alpine meadows far above the tree line. In shadow of giant mountains, they explore vital world of mushrooms 2022-09-18T04:00:00Z The combined gradient that affects an ion includes its concentration gradient and its electrical gradient. Concepts of Biology 2013-04-25T00:00:00Z This contrasts with extratropical cyclones, which run on the energy held in atmospheric temperature gradients. Strongest storm in decades battering Alaska 2022-09-16T04:00:00Z “The most intense area of drought is centered in northern Montgomery and Frederick Counties, Md., with a very strong gradient seen to very wet areas in close-by D.C.,” Parts of the Washington region are parched, and it might get even drier 2022-08-31T04:00:00Z While doing this, Dr. Hunting noticed that, when the insects swarmed, there was a “profound effect” on the atmosphere’s potential gradient. There’s Lightning Brewing in Every Swarm of Insects 2022-10-26T04:00:00Z Signify is making further inroads with the gaming community with its new lineup of Philips Hue Play gradient lightstrips for PCs. Philips Hue is leveling up with lighting strips for your monitor 2022-09-01T04:00:00Z In secondary transport, energy from primary transport can be used to move another substance into the cell and up its concentration gradient. Concepts of Biology 2013-04-25T00:00:00Z In places where storms have created short breaks in the reef, isolating populations on either side, genetic differences are greater than expected from the gradient. How the sea fireflies of the Caribbean are shining new light on evolution 2022-08-24T04:00:00Z This sodium-potassium pump is an example of active transport, wherein cell energy is used to move ions across membranes against diffusion gradients and the Coulomb force. College Physics for AP Courses 2015-08-12T00:00:00Z They found that the densest swarms could magnify the local potential gradient to 10 times as much as its initial value. There’s Lightning Brewing in Every Swarm of Insects 2022-10-26T04:00:00Z Contact of the receptor with the extracellular matrix helps maintain concentration gradients across membrane, resulting in the flow of ions. Biology for AP Courses 2022-06-09T00:00:00Z Cyanobacteria in the spring are green, and as water flows down the heat gradient, the intensity of the color increases because cell density increases. Concepts of Biology 2013-04-25T00:00:00Z Multiple populations of P. annecohenae that live along the reef exhibit a genetic gradient, with quite distinct populations at either end, she, Reda, and colleagues plan to report later this year. How the sea fireflies of the Caribbean are shining new light on evolution 2022-08-24T04:00:00Z The repeating horizontal and vertical lines, gradient color patterns, and whimsical spots of pink and red directly offer a visual appeal that encourages meditation and reflection. Writing Guide 2021-12-21T00:00:00Z “How cruel that you have these gradients in risk that are just created by living in poor communities,” said Dr. Ko. The Forgotten Virus: Zika Families and Researchers Struggle for Support 2022-08-16T04:00:00Z One type of geographic variation, called a cline, can be seen as populations of a given species vary gradually across an ecological gradient. Biology for AP Courses 2022-06-09T00:00:00Z The combined gradient that affects an ion is called its electrochemical gradient, and it is especially important to muscle and nerve cells. Concepts of Biology 2013-04-25T00:00:00Z Mr Jones tried to open the driver's door as the car began to roll down the 11.6% gradient hill, but it was travelling fast enough for the doors to lock automatically. Learner driver died in car-rolling accident in Weston-super-Mare 2022-08-15T04:00:00Z The sync box and gradient lightstrips can work in conjunction with other Hue lights in your home. Philips Hue Play sync box and gradient lightstrip review: wholly unnecessary, totally delightful 2022-08-14T04:00:00Z There are also options for a slow fade or slow brightening for winding down or waking up, plus you can use two different color gradients for an ombre lighting effect. Budget smart lighting line WiZ adds a portable light, button and floor lamp 2022-08-09T04:00:00Z Under these circumstances, the DNA will form a band according to its density in the gradient. Biology for AP Courses 2022-06-09T00:00:00Z Active transport mechanisms, collectively called pumps or carrier proteins, work against electrochemical gradients. Concepts of Biology 2013-04-25T00:00:00Z The new feed also added overlay gradients to the bottom of posts so that text would be easier to read. Instagram will soon test ultra-tall photos to match its full-screen reels 2022-08-05T04:00:00Z That’s how the sync box will tell the gradient strip which colors to display and when. Philips Hue Play sync box and gradient lightstrip review: wholly unnecessary, totally delightful 2022-08-14T04:00:00Z In addition to this difference in pressure, or pressure gradient, winds accelerate as they are squeezed through canyons and passes, creating a Venturi effect — much like a nozzle on a garden hose. For coastal L.A., the hottest days of summer are yet to come 2022-07-23T04:00:00Z The neuron, however, uses Na+ and K+ to establish a gradient. Biology for AP Courses 2022-06-09T00:00:00Z Rather the different concentrations of materials in different areas are a form of potential energy, and diffusion is the dissipation of that potential energy as materials move down their concentration gradients, from high to low. Concepts of Biology 2013-04-25T00:00:00Z However, the second vector is tangent to the level curve, which implies the gradient must be normal to the level curve, which gives rise to the following theorem. Calculus, Volume 3 2016-03-30T00:00:00Z The flexible gradient lightstrip comes in three sizes and slots into channels that you affix to the back of your TV. Philips Hue Play sync box and gradient lightstrip review: wholly unnecessary, totally delightful 2022-08-14T04:00:00Z On Windows 10 and Windows 11, the Chrome icon has more of a gradient, while brighter colors are visible on the icon in Chrome OS without gradients. Google’s new Chrome logo could have looked a lot different 2022-07-19T04:00:00Z At rest, the Na+/K+ pump, powered by ATP, maintains this gradient, known as resting membrane potential. Biology for AP Courses 2022-06-09T00:00:00Z Additionally, each substance will diffuse according to that gradient. Concepts of Biology 2013-04-25T00:00:00Z Calculating the gradient of a function in three variables is very similar to calculating the gradient of a function in two variables. Calculus, Volume 3 2016-03-30T00:00:00Z That done, my first task was to add the gradient strip to my TV. Philips Hue Play sync box and gradient lightstrip review: wholly unnecessary, totally delightful 2022-08-14T04:00:00Z Sometimes cells transport materials against a concentration gradient, from an area of low concentration to an area of higher concentration. Miller & Levine Biology 2018-01-01T00:00:00Z When the membrane is at rest, K+ ions accumulate inside the cell due to a net movement with the concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z The oxygen with its extra electrons then combines with two hydrogen ions, further enhancing the electrochemical gradient, to form water. Concepts of Biology 2013-04-25T00:00:00Z We can calculate the directional derivative of a function of three variables by using the gradient, leading to a formula that is analogous to Equation 4.38. Calculus, Volume 3 2016-03-30T00:00:00Z Then you just slot the flexible gradient strip into the groove in the guides. Philips Hue Play sync box and gradient lightstrip review: wholly unnecessary, totally delightful 2022-08-14T04:00:00Z Kidney cells pump ions from dissolved salts in blood in ways that create an osmotic gradient. Miller & Levine Biology 2018-01-01T00:00:00Z The cell possesses potassium and sodium leakage channels that allow the two cations to diffuse down their concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z Secondary active transport describes the movement of material using the energy of the electrochemical gradient established by primary active transport. Concepts of Biology 2013-04-25T00:00:00Z The gradient vectors are perpendicular to the corresponding level curve. Calculus, Volume 3 2016-03-30T00:00:00Z Climate gradients will also move up mountains, eventually crowding species higher in altitude and eliminating the habitat for those species adapted to the highest elevations. Environmental Biology 2018-09-06T00:00:00Z Now there is a concentration gradient between the inside and outside of the thylakoid. Miller & Levine Biology 2018-01-01T00:00:00Z The ability of cells to communicate electrically requires that the cells expend energy to create an electrical gradient across their cell membranes. Biology for AP Courses 2022-06-09T00:00:00Z Using the energy of the electrochemical gradient created by the primary active transport system, other substances such as amino acids and glucose can be brought into the cell through membrane channels. Concepts of Biology 2013-04-25T00:00:00Z Gravitational fields and electric fields associated with a static charge are examples of gradient fields. Calculus, Volume 3 2016-03-30T00:00:00Z This slow-moving water, caused by the gradient decrease and the volume increase as tributaries unite, has more sedimentation. Environmental Biology 2018-09-06T00:00:00Z Where sediment-rich streams empty into areas with lower gradients, braided streams can form. Physical Geology 2015-01-01T00:00:00Z CO2 diffuses down its pressure gradient, moving out of the capillaries and entering the alveoli. Biology for AP Courses 2022-06-09T00:00:00Z ATP itself is formed through secondary active transport using a hydrogen ion gradient in the mitochondrion. Concepts of Biology 2013-04-25T00:00:00Z Figure 6.11 shows the level curves of this function overlaid on the function’s gradient vector field. Calculus, Volume 3 2016-03-30T00:00:00Z Many nutrients move through the soil and into the root system as a result of concentration gradients, moving by diffusion from high to low concentrations. Environmental Biology 2018-09-06T00:00:00Z In areas with even lower gradients, and where silt and sand are the dominant sediments, meanders are common. Physical Geology 2015-01-01T00:00:00Z The pressure gradient drives CO2 out of tissue cells and into the capillaries. Biology for AP Courses 2022-06-09T00:00:00Z As the electron passes along these proteins, energy from the electron fuels membrane pumps that actively move hydrogen ions against their concentration gradient from the stroma into the thylakoid space. Concepts of Biology 2013-04-25T00:00:00Z Therefore, you can see the local steepness of a graph by investigating the corresponding function’s gradient field. Calculus, Volume 3 2016-03-30T00:00:00Z The rate at which temperature increases with depth is called the geothermal gradient. An Introduction to Geology 2017-01-01T00:00:00Z How do variations in the geothermal gradient affect the depth at which different metamorphic rocks form? Physical Geology 2015-01-01T00:00:00Z When someone is standing or sitting upright, the pleural pressure gradient leads to increased ventilation further down in the lung. Biology for AP Courses 2022-06-09T00:00:00Z This potential energy is harvested and stored as chemical energy in ATP through chemiosmosis, the movement of hydrogen ions down their electrochemical gradient through the transmembrane enzyme ATP synthase, just as in the mitochondrion. Concepts of Biology 2013-04-25T00:00:00Z If we think of the gradient as a derivative, then the same theorem holds for vector line integrals. Calculus, Volume 3 2016-03-30T00:00:00Z The red line is the geothermal gradient and the green solidus line represents the temperature and pressure regime at which melting begins. An Introduction to Geology 2017-01-01T00:00:00Z In volcanic areas, the geothermal gradient is more like 40° to 50°C/km, so the temperature at 10 km depth is in the 400° to 500°C range. Physical Geology 2015-01-01T00:00:00Z Concentration gradient leads to increased ventilation further down in the lung. Biology for AP Courses 2022-06-09T00:00:00Z A physical space in which there is a different concentration of a single substance is said to have a concentration gradient. Concepts of Biology 2013-04-25T00:00:00Z Kelvin used the simple one-dimensional model applied only to Earth’s outer shell, and derived the age from graphs and the roughly known temperature gradient near Earth’s surface. Calculus, Volume 3 2016-03-30T00:00:00Z In the other three situations, rock at a lettered location with a temperature at the geothermal gradient is moved to a new P-T situation on the diagram. An Introduction to Geology 2017-01-01T00:00:00Z The three heavy dotted lines on this diagram represent Earth’s geothermal gradients under different conditions. Physical Geology 2015-01-01T00:00:00Z Pleural pressure gradient leads to increased ventilation further down in the lung. Biology for AP Courses 2022-06-09T00:00:00Z The energy of the electrons is harvested and used to generate a electrochemical gradient across the inner mitochondrial membrane. Concepts of Biology 2013-04-25T00:00:00Z The gradient can be used in a formula to calculate the directional derivative. Calculus, Volume 3 2016-03-30T00:00:00Z Graph D and label Z show a subduction zone, where an addition of volatiles lowers the melting point, shifting the solidus to the left of the geothermal gradient. An Introduction to Geology 2017-01-01T00:00:00Z This typical geothermal gradient is shown by the green dotted line in Figure 7.20. Physical Geology 2015-01-01T00:00:00Z Pleural pressure gradient leads to decreased ventilation further down in the lung. Biology for AP Courses 2022-06-09T00:00:00Z The potential energy of this gradient is used to generate ATP. Concepts of Biology 2013-04-25T00:00:00Z The gradient indicates the direction of greatest change of a function of more than one variable. Calculus, Volume 3 2016-03-30T00:00:00Z B, C, and D all show different ways the Earth produces intersections of the geothermal gradient and the solidus, which results in melting each time. An Introduction to Geology 2017-01-01T00:00:00Z Along subduction zones, as described above, the cold oceanic crust keeps temperatures low, so the gradient is typically less than 10°C/km. Physical Geology 2015-01-01T00:00:00Z Concentration gradient leads to decreased ventilation further down in the lung. Biology for AP Courses 2022-06-09T00:00:00Z The uneven distribution of H+ ions across the membrane establishes an electrochemical gradient, owing to the H+ ions’ positive charge and their higher concentration on one side of the membrane. Concepts of Biology 2013-04-25T00:00:00Z We can see from the form in which the gradient is written that ∇ f is a vector field in ℝ2 . Calculus, Volume 3 2016-03-30T00:00:00Z The rock surrounding the plume is exposed to higher temperatures, the geothermal gradient crosses to the right of the green solidus line, and the rock begins to melt. An Introduction to Geology 2017-01-01T00:00:00Z The metamorphic rocks formed from mudrock under regional metamorphosis with a typical geothermal gradient are listed. Physical Geology 2015-01-01T00:00:00Z This unidirectional flow of blood produces a gradient of oxygenated to deoxygenated blood around the fish’s systemic circuit. Biology for AP Courses 2022-06-09T00:00:00Z The accumulation of these protons in the space between the membranes creates a proton gradient with respect to the mitochondrial matrix. Anatomy and Physiology 2013-06-19T00:00:00Z A gradient field is a vector field that can be written as the gradient of a function, and we have the following definition. Calculus, Volume 3 2016-03-30T00:00:00Z The stream gradient is the slope of the river channel. An Introduction to Geology 2017-01-01T00:00:00Z Temperature increases to the right, so the flatter the line, the steeper the temperature gradient. Physical Geology 2015-01-01T00:00:00Z Figure 31.19 Fluid from the capillaries moves into the interstitial space and lymph capillaries by diffusion down a pressure gradient and also by osmosis. Biology for AP Courses 2022-06-09T00:00:00Z By doing this, a concentration gradient is established where glucose levels are higher in the blood than in the cells. Anatomy and Physiology 2013-06-19T00:00:00Z Notice that as the level curves get closer together, the magnitude of the gradient vectors increases. Calculus, Volume 3 2016-03-30T00:00:00Z Fluvial processes include velocity, slope and gradient, erosion, transportation, deposition, stream equilibrium, and base level. An Introduction to Geology 2017-01-01T00:00:00Z Our understanding of the temperature gradient comes from seismic wave information and knowledge of the melting points of Earth’s materials. Physical Geology 2015-01-01T00:00:00Z Active transport requires energy in the form of ATP conversion, carrier proteins, or pumps in order to move ions against the concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z However, these cells must also pump ions against their concentration gradient, so you will find of large numbers of mitochondria, although fewer than in the PCT. Anatomy and Physiology 2013-06-19T00:00:00Z For the following exercises, find the gradient vector field of each function f . Calculus, Volume 3 2016-03-30T00:00:00Z Tributaries at the headwaters have the steepest gradient and most sediment production and erosion, especially downward erosion, occur in the headwaters zone. An Introduction to Geology 2017-01-01T00:00:00Z Water flow in a stream is primarily related to the stream’s gradient, but it is also controlled by the geometry of the stream channel. Physical Geology 2015-01-01T00:00:00Z The osmotic gradient increases as it moves deeper into the medulla. Biology for AP Courses 2022-06-09T00:00:00Z As is the case with other substances, drugs may be both filtered and reabsorbed passively along a concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Flux is used in applications to calculate fluid flow across a curve, and the concept of circulation is important for characterizing conservative gradient fields in terms of line integrals. Calculus, Volume 3 2016-03-30T00:00:00Z Sediment transportation is directly related to stream gradient and velocity. An Introduction to Geology 2017-01-01T00:00:00Z They also have steep gradients and steep and narrow V- shaped valleys — in some cases steep enough to be called canyons. Physical Geology 2015-01-01T00:00:00Z Facilitated diffusion utilizes protein channels to move solute molecules from areas of higher to lower concentration while active transport mechanisms are required to move solutes against concentration gradients. Biology for AP Courses 2022-06-09T00:00:00Z Figure 3.7 Osmosis Osmosis is the diffusion of water through a semipermeable membrane down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z The following theorem says that, under certain conditions, what happened in the previous example holds for any gradient field. Calculus, Volume 3 2016-03-30T00:00:00Z The gradient, sediment load, discharge, and location of the base level all influence channel type. An Introduction to Geology 2017-01-01T00:00:00Z A stream that occupies a wide, flat flood plain with a low gradient typically carries only sand-sized and finer sediments and develops a sinuous flow pattern. Physical Geology 2015-01-01T00:00:00Z In the upper component, the dialysate has a higher solute concentration than the blood, which allows the urea to diffuse to the lower dialysate down its concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z During active transport, ATP is required to move a substance across a membrane, often with the help of protein carriers, and usually against its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Then the heat flow is a vector field proportional to the negative temperature gradient in the object. Calculus, Volume 3 2016-03-30T00:00:00Z Straight channels are relatively straight, located near the headwaters, have steep gradients, low discharge, and narrow V-shaped valleys. An Introduction to Geology 2017-01-01T00:00:00Z How would the gradient of a stream be affected if a meander is cut off? Physical Geology 2015-01-01T00:00:00Z In the upper component, the dialysate has a lower solute concentration than the blood, which allows the urea to be separated via active transport down the concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z These pumps are particularly abundant in nerve cells, which are constantly pumping out sodium ions and pulling in potassium ions to maintain an electrical gradient across their cell membranes. Anatomy and Physiology 2013-06-19T00:00:00Z We have already seen one formula that uses the gradient: the formula for the directional derivative. Calculus, Volume 3 2016-03-30T00:00:00Z Meandering channels are usually located on low gradient slopes where the stream emerges from its headwaters into the zone of transportation and extends close to the zone of deposition at the stream’s mouth. An Introduction to Geology 2017-01-01T00:00:00Z Flow velocities of several centimetres per day are possible in significantly permeable sediments with significant hydraulic gradients. Physical Geology 2015-01-01T00:00:00Z In the upper component, the dialysate has a lower solute concentration than the blood, which allows the urea to diffuse to the lower dialysate down its concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z An electrical gradient is a difference in electrical charge across a space. Anatomy and Physiology 2013-06-19T00:00:00Z Figure 4.41 The gradient indicates the maximum and minimum values of the directional derivative at a point. Calculus, Volume 3 2016-03-30T00:00:00Z When tectonic forces lift up a mountain, the increased stream gradient causes the stream to erode downward and make a valley. An Introduction to Geology 2017-01-01T00:00:00Z But in many cases, permeabilities are lower than the ones we’ve used as examples here, and in many areas, gradients are much lower. Physical Geology 2015-01-01T00:00:00Z The attracting chemotactic agent alters the frequency of turning as the organism moves directly toward the source, following the increasing concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z A concentration gradient is the difference in concentration of a substance across a space. Anatomy and Physiology 2013-06-19T00:00:00Z Given a point on the surface, the directional derivative can be calculated using the gradient. Calculus, Volume 3 2016-03-30T00:00:00Z Fluids rising from crystallizing magmatic bodies or heated by the geothermal gradient cause a wide range of geochemical reactions that can form a variety of mineral deposits. An Introduction to Geology 2017-01-01T00:00:00Z That’s not because there is something there to stop it, but because there’s no pressure gradient that will cause water to flow in that direction. Physical Geology 2015-01-01T00:00:00Z Each separate substance in a medium, such as the extracellular fluid, has its own concentration gradient, independent of the concentration gradients of other materials. Biology for AP Courses 2022-06-09T00:00:00Z That means that this pump is moving the ions against the concentration gradients for sodium and potassium, which is why it requires energy. Anatomy and Physiology 2013-06-19T00:00:00Z Recall that the gradient of a function of more than one variable is a vector. Calculus, Volume 3 2016-03-30T00:00:00Z The velocity of water flow is dependent on riverbed slope or gradient, which becomes shallower as the river descends from the mountains. An Introduction to Geology 2017-01-01T00:00:00Z Here water behaves in a similar way to any other groundwater, and it flows according to the hydraulic gradient and Darcy’s law. Physical Geology 2015-01-01T00:00:00Z This lack of a concentration gradient in which there is no net movement of a substance is known as dynamic equilibrium. Biology for AP Courses 2022-06-09T00:00:00Z In fact, the pump basically maintains those concentration gradients. Anatomy and Physiology 2013-06-19T00:00:00Z We have seen that the curl of a gradient is zero. Calculus, Volume 3 2016-03-30T00:00:00Z The two major factors causing deposition are the decrease in stream gradient and the reduction in velocity. An Introduction to Geology 2017-01-01T00:00:00Z That indicates the energy gradient that is allowing water to flow toward the well. Physical Geology 2015-01-01T00:00:00Z In filtration, material moves according to its concentration gradient through a membrane; sometimes the rate of diffusion is enhanced by pressure, causing the substances to filter more rapidly. Biology for AP Courses 2022-06-09T00:00:00Z Ion channels are pores that allow specific charged particles to cross the membrane in response to an existing concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Therefore, a harmonic function is a function that becomes zero after taking the divergence of a gradient. Calculus, Volume 3 2016-03-30T00:00:00Z The long profile shows the stream gradient from headwater to mouth and represents the balance among erosion, transport, gradient, velocity, discharge, and channel characteristics at each point along the stream’s course. An Introduction to Geology 2017-01-01T00:00:00Z For example, you can now set nifty color and gradient backgrounds. watchOS 9 preview: all about fitness and personalization 2022-07-11T04:00:00Z A concentration gradient exists that would allow these materials to diffuse into the cell without expending cellular energy. Biology for AP Courses 2022-06-09T00:00:00Z The Na+ concentration becomes high outside the gustatory cells, creating a strong concentration gradient that drives the diffusion of the ion into the cells. Anatomy and Physiology 2013-06-19T00:00:00Z Instead, Nicole asked that we use stippling to create a gradient and a ‘sunset’ effect. 16 meaningful plant tattoos for ink that's more than skin deep 2022-07-11T04:00:00Z Eventually, streams erode enough downward that the gradient is reduced, downward erosion slows, and the river starts to erode from side to side. An Introduction to Geology 2017-01-01T00:00:00Z The disc is made of aluminium, treated with a layer of nitrocellulose then coated with a sapphire and quartz gradient, but is playable on any regular turntable. Dylan's new Blowin' In The Wind sells for £1.5m 2022-07-08T04:00:00Z Increasing the concentration gradient at this point will not result in an increased rate of transport. Biology for AP Courses 2022-06-09T00:00:00Z This characteristic puzzled researchers for a long time because the Cl– ions are actually flowing down their concentration gradient when transported out of cells. Anatomy and Physiology 2013-06-19T00:00:00Z He says the coating - made from a gradient of sapphire and quartz - also reduces the crackle associated with vinyl. A one-off Bob Dylan recording could sell for £1m 2022-07-05T04:00:00Z These are found in broad terrain with low gradients near sediment source areas such as mountains or in front of glaciers, for example in Alaska. An Introduction to Geology 2017-01-01T00:00:00Z The Great Belt Bridge is 18km long, rises at shallow gradients and is exposed to the elements allowing for the possibility of echelons to be formed and a potential GC contender to be caught out. Tour de France 2022 stage guide 2022-06-30T04:00:00Z Figure 5.10 Some substances are able to move down their concentration gradient across the plasma membrane with the aid of carrier proteins. Biology for AP Courses 2022-06-09T00:00:00Z The absence of ions in the secreted mucus results in the lack of a normal water concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z The centimeter-long filaments of T. magnifica may help it reach higher waters and take advantage of chemical gradients, bridging a gap from where there is more oxygen to where sulfide is more abundant. Scientists baffled by discovery of bacteria that ought to be too big to function 2022-06-23T04:00:00Z The remaining three graphs illustrate rock behavior relative to shifts in the geothermal gradient or solidus lines. An Introduction to Geology 2017-01-01T00:00:00Z While two category one climbs arrive in the final 70km, the gradients involved are unlikely to ignite the GC race. Tour de France 2022 stage guide 2022-06-30T04:00:00Z This diffusion of water through the membrane—osmosis—will continue until the concentration gradient of water goes to zero or until the hydrostatic pressure of the water balances the osmotic pressure. Biology for AP Courses 2022-06-09T00:00:00Z During passive transport, materials move by simple diffusion or by facilitated diffusion through the membrane, down their concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Near the edge of the plasma, a sharp pressure gradient causes the particles to spiral in such a way that they interfere with each other and push themselves—by their own bootstraps—around the ring. Fusion power may run out of fuel before it even gets started 2022-06-22T04:00:00Z Partial melting occurs when the geothermal gradient line crosses the solidus line. An Introduction to Geology 2017-01-01T00:00:00Z Grid View But all five pastel designs look great overall, with varied uses of gradients, mottled patterns, and / or two-tone contrast on front and back that gives each one a unique signature. PowerA’s new pastel controllers are all sweet summer vibes 2022-06-19T04:00:00Z In this situation, water will follow its concentration gradient and enter the cell. Biology for AP Courses 2022-06-09T00:00:00Z During active transport, energy is expended to assist material movement across the membrane in a direction against their concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z PugetBench for Photoshop measures how fast your computer can perform various tasks, including mask refinement and gradients as well as filter tasks like lens correction and noise reduction. How to run PugetBench for Photoshop 2022-06-17T04:00:00Z The red line is the geothermal gradient and the green solidus line represents at temperature and pressure regime at which melting begins. An Introduction to Geology 2017-01-01T00:00:00Z On other road types you are more likely to come across hills and your cruise control will take time to adjust to the change in gradient, using up more fuel in the process. Fuel cost: How to save petrol and diesel 2022-06-09T04:00:00Z Active transport mechanisms, collectively called pumps, work against electrochemical gradients. Biology for AP Courses 2022-06-09T00:00:00Z Because the concentration of Na+ is higher outside the cell than inside the cell by a factor of 10, ions will rush into the cell that are driven largely by the concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Instead, researchers hypothesized, the gradient makes it look as if the viewer is entering a dark hole or tunnel, prompting the pupils to dilate in anticipation. Your Tuesday Briefing: Boris Johnson Stays in Power 2022-06-06T04:00:00Z This effectively increases the gradient of the stream causing it to erode downward instead of side-to-side. An Introduction to Geology 2017-01-01T00:00:00Z The researchers hypothesize that the illusion works because the gradient on the central hole makes it look as if the viewer is entering a dark hole or tunnel, prompting the pupils to dilate. Your Tuesday Briefing 2022-06-07T04:00:00Z Secondary active transport describes the movement of material that is due to the electrochemical gradient established by primary active transport that does not directly require ATP. Biology for AP Courses 2022-06-09T00:00:00Z The electrical gradient also plays a role, as negative proteins below the membrane attract the sodium ion. Anatomy and Physiology 2013-06-19T00:00:00Z The researchers hypothesize that the illusion works because the gradient on the central hole makes it look as if the viewer is entering a dark hole or tunnel, prompting the participants’ pupils to dilate. This Optical Illusion Has a Revelation About Your Brain and Eyes 2022-06-06T04:00:00Z Cooper's Hill's 1:2 gradient makes it one of Gloucestershire's steepest slopes. Gloucester cheese rolling returns after pandemic 2022-06-05T04:00:00Z The designs include standard glossy colors, gradient colors, matte finishes, chrome metallic colors, company logos and full-on illustrations. What to know before getting your car wrapped 2022-05-18T04:00:00Z In this way, the cell performs work, pumping ions against their electrochemical gradients. Biology for AP Courses 2022-06-09T00:00:00Z A concentration gradient acts on K+, as well. Anatomy and Physiology 2013-06-19T00:00:00Z As I walk, I admire the shifting light illuminating the gradients of the canyon’s opposite walls — differentiations that make manifest time itself, according to the geology museum I discover farther along at Yavapai Point. A Writer Returns to the Grand Canyon, This Time With His Mother’s Ashes 2022-05-12T04:00:00Z In his solo show, “Competing with Lightning / Rivalizando con el relámpago,” linen canvases, earthy in appearance, serve as backdrops to cosmic arrangements of circles and rays of gradient color that recede into the horizon. In the 'cacophony' of the Americas, painter Eamon Ore-Giron finds elegant patterns 2022-05-12T04:00:00Z The cylindrical bottle has a cork top and mirrors the ombre gradient of the sky: diffused magenta, burnt orange, blue and purple melting into each other. What does a night out in L.A. really smell like? 2022-04-18T04:00:00Z The removal of the hydrogen ions from the system contributes to the ion gradient used in the process of chemiosmosis. Biology for AP Courses 2022-06-09T00:00:00Z Eventually the sugar will diffuse throughout the tea until no concentration gradient remains. Anatomy and Physiology 2013-06-19T00:00:00Z The machines never sleep: Every second of every day, they churn through innumerable calculations, using state-of-the-art techniques in machine intelligence that go by names like ‘‘stochastic gradient descent’’ and ‘‘convolutional neural networks.’’ A.I. Is Mastering Language. Should We Trust What It Says? 2022-04-15T04:00:00Z Stream shape, gradient, water speed and debris also influence flow into and out of the hyporheic zone. To Revive a River, Restore Its Hidden Gut 2022-04-01T04:00:00Z The shorts are a gradient from pink to purple to blue, which is meant to represent cherry blossom petals falling into the Tidal Basin, Lochmann said. Nationals, Wizards unveil collaborative cherry blossom jerseys 2022-03-29T04:00:00Z The turning of parts of this molecular machine facilitates the addition of a phosphate to ADP, forming ATP, using the potential energy of the hydrogen ion gradient. Biology for AP Courses 2022-06-09T00:00:00Z Whenever a substance exists in greater concentration on one side of a semipermeable membrane, such as the cell membranes, any substance that can move down its concentration gradient across the membrane will do so. Anatomy and Physiology 2013-06-19T00:00:00Z The pressure gradient, or difference, between the high pressure air in the Great Basin and the lower pressure air at the coast creates the Santa Ana winds. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z Temperature gradients and air moisture content are the main determinants of a raindrop’s characteristics while wind patterns and topography govern rainfall. Seattle-specific seasons and the different types of rain 2022-02-26T05:00:00Z Passing through the rainbow gradient of blooms in the Rose Garden, I milled around peacefully, letting the sun warm my face and the wind blow the hem of my dress around my ankles. In the Bay Area, an early-20th-century estate and its stunning gardens offer period drama year-round 2022-02-18T05:00:00Z ATP is required to move sodium ions against their concentration gradient outside the cell. Biology for AP Courses 2022-06-09T00:00:00Z Powered by ATP, the pump moves sodium and potassium ions in opposite directions, each against its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z A temperature gradient also can come into play. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z We were just talking about Google, Facebook, Apple wanting to keep people in their office, but these companies are almost like a gradient, right? What the Brian Flores NFL scandal can teach tech about diversity, with Bärí Williams 2022-02-15T05:00:00Z In the enforcement notice issued on Thursday, the council also demanded that the Carbis Bay Hotel reinstate the land “to its original levels, gradients and condition.” Luxury Resort in Spain Must Be Demolished, Court Finds 2022-02-14T05:00:00Z As sodium ion concentrations build outside of the plasma membrane because of the action of the primary active transport process, an electrochemical gradient is created. Biology for AP Courses 2022-06-09T00:00:00Z Therefore, if the cell needs sodium ions, all it has to do is open a passive sodium channel, as the concentration gradient of the sodium ions will drive them to diffuse into the cell. Anatomy and Physiology 2013-06-19T00:00:00Z As meteorologist Miguel Miller, also from the San Diego weather service office, points out, a temperature gradient is proportional to the pressure gradient, and a steep temperature gradient steepens the pressure gradient. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z Variations in dissolved carbon dioxide can create acidity gradients in the water, which can be dangerous for fish. Pucker up! Why humans evolved a taste for sour foods 2022-02-11T05:00:00Z According to the company’s website, the non-matching shoes have “ornate embroidery, wild prints, colorful gradients and a range of premium textures blending to turn familiar features into something entirely new.” American curler Matt Hamilton’s shoes stand out at Olympics 2022-02-09T05:00:00Z In solutions containing more than one substance, each type of molecule diffuses according to its own concentration gradient, independent of the diffusion of other substances. Biology for AP Courses 2022-06-09T00:00:00Z The flood of sodium ions through the symporter provides the energy that allows glucose to move through the symporter and into the cell, against its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z In addition to the pressure gradient as a driver, winds accelerate as they are squeezed through canyons and passes. Why it's been so warm and windy in Southern California this winter 2022-03-12T05:00:00Z We’ve got a gradient of defense need and potential, from everyday average citizens all the way through multinational corporations and extremely large government agencies and everything in between. Cyberattack Misinformation Could Be Plan for Ukraine Invasion 2022-02-09T05:00:00Z To fix this and make the icon “more accessible,” they decided to use very subtle gradients — that I’m convinced the human eye can’t even see — to prevent any color vibration. Chrome is changing its logo for the first time in eight years 2022-02-05T05:00:00Z Many factors can affect the rate of diffusion, including concentration gradient, size of the particles that are diffusing, temperature of the system, and so on. Biology for AP Courses 2022-06-09T00:00:00Z Recall that an osmotic gradient is produced by the difference in concentration of all solutes on either side of a semi-permeable membrane. Anatomy and Physiology 2013-06-19T00:00:00Z “It’s a risk gradient at this point,” she said during a briefing Thursday. Rams-49ers football, Lunar New Year pose new COVID-19 challenge for California 2022-01-28T05:00:00Z Newer ones use such algorithmic tools as gradient boosting, which fold in weaker models but in a weighted way that makes them more useful. The battle to prevent another Jan. 6 features a new weapon: The algorithm 2022-01-06T05:00:00Z Meanwhile, the Windows 10 and 11 version has a more dramatic gradient so that it fits in with the style of other Windows icons. Chrome is changing its logo for the first time in eight years 2022-02-05T05:00:00Z Moving substances up their electrochemical gradients requires energy from the cell. Biology for AP Courses 2022-06-09T00:00:00Z The magnitude of the osmotic gradient is proportional to the difference in the concentration of solutes on one side of the cell membrane to that on the other side. Anatomy and Physiology 2013-06-19T00:00:00Z "By end of this century, the difference in that gradient between a high emission scenario and a low emission scenario is dramatic. That can be very significant in terms of how these hurricanes play out." Climate change: Hurricanes to expand into more populated regions 2021-12-29T05:00:00Z This history displays an uneven gradient of progress. Is science stuck? The "Great Stagnation Debate," explained 2021-11-26T05:00:00Z It has also engendered confusion by not keeping its recommendation simple, suggesting an illusion that there is a sharp age gradient for the benefit of boosters, which is clearly not the case. Opinion | The CDC got it wrong. It should have urged all adults to get covid-19 booster shots. 2021-11-24T05:00:00Z Fructose diffused because of the pore specificity of the semipermeable membrane, not because of its concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z As this happens, water diffuses from your blood into sweat glands and surrounding skin tissues that have become dehydrated because of the osmotic gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Monochromatic tree decorations are all the rage right now, and Frontgate is going to help all of us achieve the look this winter with its beautiful gradient glass ornament collections. Deck your halls with these 35 gorgeous Christmas decorations | Provided by ST Content Studio 2021-11-17T05:00:00Z A dome of very high pressure building in its wake will help establish a strong west-to-east pressure gradient, or large change in air pressure over a relatively small distance. After battering Northwest, storm blasts north-central U.S. with high winds 2021-11-16T05:00:00Z There are three more mountain top finishes, including the Blockhaus, where the stage finale features double-digit gradients along a series of hairpin bends leading to the line. Giro organizers outline 6 mountain stages for next year 2021-11-10T05:00:00Z Which statement best describes the formation and importance of the hydrogen ion gradient during the electron transport chain? Biology for AP Courses 2022-06-09T00:00:00Z When a dehydrated person drinks water and rehydrates, the water is redistributed by the same gradient, but in the opposite direction, replenishing water in all of the tissues. Anatomy and Physiology 2013-06-19T00:00:00Z A steep pressure gradient, or change in air pressure with distance, will make for strong west to west-northwesterly winds gusting upward of 50 mph over the Dakotas on Thursday night. Brewing storm to sock Pacific Northwest, Upper Midwest 2021-11-08T05:00:00Z Areaware’s clean, gradient puzzle represents a good middle ground for those looking for a challenge. The Verge Holiday Gift Guide 2021 2021-11-08T05:00:00Z Nike says the uniform is the evolution "of the gradient red-rock theme of the team’s original City uniform." NBA city edition jerseys: Ranking each team's 75th anniversary uniforms 2021-11-01T04:00:00Z A hydrogen ion gradient across the membrane establishes a concentration gradient and not an electrical gradient, thus assisting during the electron transport chain. Biology for AP Courses 2022-06-09T00:00:00Z Active transport allows cells to move a specific substance against its concentration gradient through a membrane protein, requiring energy in the form of ATP. Anatomy and Physiology 2013-06-19T00:00:00Z Dark cloud deep river Swirling pressure gradients O’er breech the sky … Seattle-area weather haiku showdown: With more than 600 votes cast, a winner has been picked 2021-11-01T04:00:00Z The pressure gradient — the difference between high- and low-pressure areas — also drives the winds. How did California's recent bomb cyclones compare with the 'Big Blow' of 1962? 2021-10-28T04:00:00Z With both heavy rainfall and high winds due to a tightening pressure gradient north of the system, it warned that weather for travelers would be "hazardous." Nor'easters: What to know about them and how to keep safe when they hit 2021-10-26T04:00:00Z A hydrogen ion gradient is established by pumping two hydrogen ions across the membrane from the matrix in the intermembrane space. Biology for AP Courses 2022-06-09T00:00:00Z For example, the sodium-potassium pump employs active transport to pump sodium out of cells and potassium into cells, with both substances moving against their concentration gradients. Anatomy and Physiology 2013-06-19T00:00:00Z Skype’s new colorful themes will soon be available, with button gradients, an improved side panel on mobile, and Fluent Design icons throughout the apps. Skype is getting another redesign with new themes and features 2021-09-27T04:00:00Z “In most situations you get gradients of genetic difference, with everyone moving around. You don’t see that here,” he says. ‘No one could have predicted.’ DNA offers surprises on how Polynesia was settled 2021-09-22T04:00:00Z This temperature gradient affects the thickness of the atmosphere, giving rise to wavy air currents that flow from west to east around the globe. Storm-Steering Jet Stream Could Shift Poleward in 40 Years 2021-09-21T04:00:00Z Its uneven distribution across the membrane establishes both concentration and electrical gradients. Biology for AP Courses 2022-06-09T00:00:00Z Some of these molecules enter and leave cells using facilitated transport, whereby the molecules move down a concentration gradient through specific protein channels in the membrane. Anatomy and Physiology 2013-06-19T00:00:00Z Skype users without avatars will also get colorful gradients to make it easier to tell chats apart. Skype is getting another redesign with new themes and features 2021-09-27T04:00:00Z Most climate consequences occur on a gradient—every little bit of warming makes them worse, which means that every little bit of prevented warming makes a difference. Abandoning 60 Percent of Global Oil and Gas Might Limit Warming to 1.5 C 2021-09-09T04:00:00Z The edges of the covered veranda frame the distant plateau, turning the horizon into a gradient that fades on a rainy summer day from emerald green to algal gray. A Home That Retreats Into the Brazilian Savanna 2021-08-16T04:00:00Z A hydrogen ion gradient is established by pumping four hydrogen ions across the membrane from the matrix into the intermembrane space and its uneven distribution across the membrane establishes concentration and electrical gradients. Biology for AP Courses 2022-06-09T00:00:00Z It is responsible for one-half of the osmotic pressure gradient that exists between the interior of cells and their surrounding environment. Anatomy and Physiology 2013-06-19T00:00:00Z Nearly all feature screenshots of text on top of photos, made using the anonymous confessions app Whisper, or Instagram’s “Create” mode, which lets people design text posts on top of gradient backgrounds. Text Memes Are Taking Over Instagram 2021-08-09T04:00:00Z The helmet’s design depicted a diverse crowd, a prominent rainbow stripe, and a white-to-black gradient with his chosen message “No borders, just horizons – only freedom” written on top. F1 champs Hamilton & Vettel concerned by LGBT law referendum 2021-07-29T04:00:00Z But the real fireworks began as it headed up the steep slopes of Mikuni Pass, where gradients up to 17% left dozens more riders with anguished faces awash in sweat and grime. Carapaz wins men’s road race for Ecuador’s 1st cycling medal 2021-07-24T04:00:00Z Hydrogen ions are present in the intermembrane space from the beginning and results in the formation of gradients necessary for the function of ATP synthase. Biology for AP Courses 2022-06-09T00:00:00Z Instead, these gases follow pressure gradients that allow them to diffuse. Anatomy and Physiology 2013-06-19T00:00:00Z It has now been replaced by a much punchier script, delivered in a tropical palette of gradient colors — turquoise, pink and gold — all placed beneath the image of a setting sun. Los Angeles has a new tourism logo and it's so ’80s Ocean Pacific 2021-07-07T04:00:00Z Lamb and his colleagues investigated by setting up not a steep stream table, but a languid laboratory delta, with a gradient of just one in 100,000 and a river spilling into a 3-meter-wide “ocean.” Why do rivers leap from their banks? Scientists strive to predict deadly flooding events 2021-05-13T04:00:00Z The general classification will get its first real shake-up on stage 14 with the steepest finish of the race, with the climb up the Monte Zoncolan ending in double digit gradients. Nibali, Evenepoel among Giro favorites after injury returns 2021-05-05T04:00:00Z Removing the signals will reestablish the concentration gradient for the signal, allowing them to quickly diffuse through the intracellular space if released again. Biology for AP Courses 2022-06-09T00:00:00Z This large difference in partial pressure creates a very strong pressure gradient that causes oxygen to rapidly cross the respiratory membrane from the alveoli into the blood. Anatomy and Physiology 2013-06-19T00:00:00Z When I saw the design, I was immediately taken back to the Ocean Pacific brand T-shirts of my youth, which were often emblazoned with gradient script logos and images of palm trees and sunsets. Los Angeles has a new tourism logo and it's so ’80s Ocean Pacific 2021-07-07T04:00:00Z “It’s going to be more of a grayscale gradient, which is much more closely tied to reality.” Study finds Floridians are underpaying for flood insurance 2021-03-13T05:00:00Z Air from areas of high-pressure flows toward those of lower pressure, and the gradient, or difference, causes the intense winds. More Santa Ana winds in Southern California are on the way 2021-02-27T05:00:00Z Cyanobacteria in the spring are green, and as water flows down the gradient, the intensity of the color increases as cell density increases. Biology for AP Courses 2022-06-09T00:00:00Z However, the partial pressure gradients are opposite of those present at the respiratory membrane. Anatomy and Physiology 2013-06-19T00:00:00Z Today it’s still possible to buy tanks with the gradient OP logo from the ’80s as part of the brand’s “heritage” collection. Los Angeles has a new tourism logo and it's so ’80s Ocean Pacific 2021-07-07T04:00:00Z The pattern also suggests windy conditions, with multiple “inside slider” systems creating strong surface pressure gradients, Swain says. 'Mega-miracle' will be needed to overcome dry February in Los Angeles 2021-02-20T05:00:00Z The idea that cells can harbor such large temperature gradients is surprising because in such a minute space, a sharp rise in heat should dissipate quite quickly. Mysterious Heat Spikes inside Cells Are Probed with Tiny Diamonds 2021-01-15T05:00:00Z In gram-negative bacteria, the proton gradient that supplies the free energy to convert ADP into ATP is established across the inner membrane. Biology for AP Courses 2022-06-09T00:00:00Z Gas molecules move down a pressure gradient; in other words, gas moves from a region of high pressure to a region of low pressure. Anatomy and Physiology 2013-06-19T00:00:00Z There is a sharp age gradient: Mortality rises steadily with age, and the disease is far more likely to be fatal in the elderly. First, coronavirus infections increased. Then, hospitalizations. Now, deaths are on the rise. 2020-10-30T04:00:00Z Instead, it’s better to think of it as a gradient, says Gypsyamber D’Souza, an epidemiologist at Johns Hopkins University in Baltimore, Maryland. COVID-19 Herd Immunity Strategies Could Bring ‘Untold Death and Suffering’ 2020-10-24T04:00:00Z Suzuki and Lukin agree that it will still take more research to pin down whether these gradients really exist and, if so, how they are generated. Mysterious Heat Spikes inside Cells Are Probed with Tiny Diamonds 2021-01-15T05:00:00Z The positive pressure that is produced pushes water and solutes down the pressure gradient. Biology for AP Courses 2022-06-09T00:00:00Z To restore the sodium-potassium gradient across the cell membrane, a sodium- potassium pump requiring ATP pumps sodium out and potassium in. Anatomy and Physiology 2013-06-19T00:00:00Z That’s a lot of additional colors, and it means things like gradients and sunsets and so on look smoother. Apple iPhone 12 Pro review: ahead of its time 2020-10-20T04:00:00Z The winds are caused by a pressure gradient between that high pressure and lower pressure to the south. Moderate Santa Ana winds likely to bring critical fire weather to parts of the Southland 2020-10-14T04:00:00Z There are wide sidewalks here, save for stretches that pass under scaffolding, with a gently elevating gradient. Fans aren’t allowed in the stands right now, but a Seattle sports walk is a great way to see the city 2020-09-23T04:00:00Z When an axon is at rest, the membrane is said to be polarized; that is, there is an electrochemical gradient across it, with the inside of the membrane being more negatively charged than the outside. Biology for AP Courses 2022-06-09T00:00:00Z Water absorption is driven by the concentration gradient of the water: The concentration of water is higher in chyme than it is in epithelial cells. Anatomy and Physiology 2013-06-19T00:00:00Z The new filters include halftone, gradient map, chromatic aberration, glitch effects, and more. Procreate 5X adds new filters and a handy reference companion view 2020-09-18T04:00:00Z Importantly, these predictions showed a gradient across the range of early self-control, suggesting that strategies to enhance this quality — from behavioural ‘nudges’ to parent training programmes — would pay dividends, whatever the individual child’s starting point. The lifelong studies that hold clues to what today’s kids might have in store 2020-09-14T04:00:00Z The contrast with record heat on the West Coast amplified the air pressure gradient that drove the winds. Western wildfires: An ‘unprecedented’ climate change fueled event, experts say 2020-09-11T04:00:00Z We explored the formation of electrochemical gradients using H+ when we studied photosynthesis and cellular respiration. Biology for AP Courses 2022-06-09T00:00:00Z Thus, water moves down its concentration gradient from the chyme into cells. Anatomy and Physiology 2013-06-19T00:00:00Z “This is very clever,” Liu says, as the solid particles helped maintain the temperature gradient between the two electrodes. Energy ‘scavenger’ could turn waste heat from fridges and other devices into electricity 2020-09-11T04:00:00Z The side morphs from purple to light gray, and gradients in-between, depending on how light hits the surface. Minneapolis solar installation mixing art and clean energy 2020-09-05T04:00:00Z What are the signalling mechanisms responsible for changes in the production of basement membrane or the generation of a stiffness gradient in the multi-layered epidermis? How cancer invasion takes shape 2020-09-01T04:00:00Z Neurons and muscle cells maintain a high concentration gradient of potassium ions across the plasma membrane. Biology for AP Courses 2022-06-09T00:00:00Z It also functions to maintain a concentration gradient with higher glucose levels in the blood than in the tissues. Anatomy and Physiology 2013-06-19T00:00:00Z The catch is that different levels, or gradients, of a chemical drawing cells to a target only work over short distances. Cells Solve an English Hedge Maze with the Same Skills They Use to Traverse the Body 2020-08-28T04:00:00Z But when cells traverse longer, more complex paths, they can’t just passively follow a chemical gradient: They need to process the chemicals around them in real time to pick the best way forward. Watch amoebas solve a microscopic version of London’s Hampton Court Maze 2020-08-27T04:00:00Z The film generates power, researchers believe, when a moisture gradient develops between the film’s upper and lower edges. ‘Electric mud’ teems with new, mysterious bacteria 2020-08-19T04:00:00Z This charge gradient is carried by ions, which are differentially distributed across the membrane. Biology for AP Courses 2022-06-09T00:00:00Z Effectively, it is a turbine that is powered by the flow of H+ ions across the inner membrane down a gradient and into the mitochondrial matrix. Anatomy and Physiology 2013-06-19T00:00:00Z The key is that the cells do not work along a preexisting gradient but create one themselves by breaking down the chemical lure as they encounter it. Cells Solve an English Hedge Maze with the Same Skills They Use to Traverse the Body 2020-08-28T04:00:00Z One challenge was determining which animal species tend to disappear and which tend to thrive, along a gradient from undisturbed, natural habitats to the most human-dominated areas. Species that can make us ill thrive in human habitats 2020-08-04T04:00:00Z Such pH gradients can affect “numerous geochemical cycles,” she says, including those involving arsenic, manganese, and iron, creating opportunities for other microbes. ‘Electric mud’ teems with new, mysterious bacteria 2020-08-19T04:00:00Z This alone accumulates a small electrical charge, but a big concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z While much of the reabsorption and secretion occur passively based on concentration gradients, the amount of water that is reabsorbed or lost is tightly regulated. Anatomy and Physiology 2013-06-19T00:00:00Z Dicty, the prodigy protist, not only solved this maze but also managed to use its self-generating gradient skills to find a shortcut. Cells Solve an English Hedge Maze with the Same Skills They Use to Traverse the Body 2020-08-28T04:00:00Z The wind-gust forecast map below reveals the strong gradient of winds, with winds howling along the Chesapeake Bay. Tropical storm watch for D.C. area. Isaias to bring threat of ‘significant’ flooding and strong winds Tuesday. 2020-08-02T04:00:00Z As the water’s hydrogen and oxygen atoms separate because of the gradient, a charge develops and electrons flow. ‘Electric mud’ teems with new, mysterious bacteria 2020-08-19T04:00:00Z When K+ leaves the cell, obeying its concentration gradient, that effectively leaves a negative charge behind. Biology for AP Courses 2022-06-09T00:00:00Z Simple diffusion moves a substance from a higher to a lower concentration down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z In the Chiricahua Mountains, for instance, drought adaptation separates close relatives along the elevation gradient. How Oak Trees Evolved to Rule the Forests of the Northern Hemisphere 2020-07-14T04:00:00Z The halo of radial and concentric colour gradients represents the interacting environmental gradients — rarely sharp boundaries — that define regions and ecosystems around the planet. Collage of Nature covers — a geoscientist’s take 2020-06-29T04:00:00Z A temperature gradient between one layer and the next means that each operates slightly differently. Cool metric for lithium-ion batteries could spur progress 2020-06-22T04:00:00Z So at rest, there is a large concentration gradient for Na+ to enter the cell, and there is an accumulation of negative charges left behind in the cell. Biology for AP Courses 2022-06-09T00:00:00Z Facilitated diffusion is similar to diffusion in that it moves a substance down its concentration gradient. Anatomy and Physiology 2013-06-19T00:00:00Z Closely related species in these communities show trade-offs between growth rate and drought tolerance along moisture gradients and between bark thickness and the ability to reproduce via underground stems along gradients of fire intensity. How Oak Trees Evolved to Rule the Forests of the Northern Hemisphere 2020-07-14T04:00:00Z There’s a social gradient in health which means that even in normal times the poor die earlier than the rich. The Guardian view on coronavirus harms: pandemic shows inequities are deadly | Editorial 2020-06-14T04:00:00Z If the temperature gradient across one cell is not known, it is impossible to design a thermal management system for a battery pack containing 1,000 cells. Cool metric for lithium-ion batteries could spur progress 2020-06-22T04:00:00Z In other words, O2 and CO2 move with their concentration gradients. Biology for AP Courses 2022-06-09T00:00:00Z Both mechanisms may utilize concentration gradients maintained by ATP pumps. Anatomy and Physiology 2013-06-19T00:00:00Z When researchers first speculated about this tendency, they called it the goal gradient hypothesis. Why Feeling Close to the Finish Line Makes You Push Harder 2020-06-09T04:00:00Z Still, “there are gradients of risk,” she said. How to Have Friends Over 2020-06-06T04:00:00Z Zelonka, full of energy, wore a blue polo shirt, retro amber gradient aviator sunglasses and a yellow cloth mask as he navigated his Infiniti through unusually sparse traffic on I-10. The secret world of coronavirus mask traders and middlemen trying to get rich off government money 2020-06-02T04:00:00Z Diffusion is a process in which transport is driven by a concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z Na+/K+ ATPases on the basal membrane of a tubular cell constantly pump Na+ out of the cell, maintaining a strong electrochemical gradient for Na+ to move into the cell from the tubular lumen. Anatomy and Physiology 2013-06-19T00:00:00Z Humans, too, are relocating in a flow “from south to north along the gradient of our warming planet”, Shah writes. Migration is normal, accept it 2020-06-01T04:00:00Z Bok choy lies to one side with its pretty gradients of green matching the green onions scattered about, and it’s still crunchy for a contrast in texture. 3 Seattle spots restaurant critic Bethany Jean Clement especially loves for takeout now 2020-05-28T04:00:00Z Also, the imagery presented under contrasted light and darkness as well as gradients of shadow is equally crisp to bring to suspenseful life an often non-visually existent entity. ‘The Invisible Man’ 4K Ultra HD review 2020-05-27T04:00:00Z Oxygen and carbon dioxide will flow according to their pressure gradient from high to low. Biology for AP Courses 2022-06-09T00:00:00Z The cotransporter moves glucose into the cell against its concentration gradient as Na+ moves down the electrochemical gradient created by the basal membranes Na+/K+ ATPases. Anatomy and Physiology 2013-06-19T00:00:00Z They also changed the look of their yellow uniform numbers, altering their shape and adding a yellow-to-white color gradient similar to the much-debated technique used in their new logos. Rams unveil new uniforms with classic colors, modern twists 2020-05-13T04:00:00Z For example, the emission sources vary widely, and the flow of emissions around buildings, in street canyons and as a result of traffic movement combine to generate substantial gradients of concentration. Airborne particles might grow fast in cities 2020-05-12T04:00:00Z Temperatures will remain above seasonal norms in Southern California on Saturday as offshore gradients relax. Southern California swelters as drought intensifies in Northern California 2020-04-25T04:00:00Z Because this pressure gradient exists, oxygen diffuses down its pressure gradient, moving out of the alveoli and entering the blood of the capillaries where O2 binds to hemoglobin. Biology for AP Courses 2022-06-09T00:00:00Z A Na+/K+/2Cl– symporter in the apical membrane passively allows these ions to enter the cell cytoplasm from the lumen of the loop down a concentration gradient created by the pump. Anatomy and Physiology 2013-06-19T00:00:00Z These adaptions caused consternation among city authorities about a gradient mismatch with surrounding streets but the inclines are fairly gentle and are still wheelchair-accessible. Will climate change end waterfront living? Not if you can afford it 2020-04-20T04:00:00Z Researchers generally suggest that above-average warming rates in the Arctic are changing the temperature gradient between the high latitudes and the lower latitudes, closer to the equator. Persistent Cloudless Skies Helped Fuel Exceptional Greenland Ice Melt 2020-04-16T04:00:00Z This is likely because something called the prevalence gradient theory previously suggested that lupus occurrence progressively increased as one moved away from equatorial Africa. Chloroquine, COVID-19 and Lupus 2020-04-14T04:00:00Z Oxygen and carbon dioxide move independently of each other; they diffuse down their own pressure gradients. Biology for AP Courses 2022-06-09T00:00:00Z In addition, as Na+ is pumped out of the cell, the resulting electrochemical gradient attracts Ca++ into the cell. Anatomy and Physiology 2013-06-19T00:00:00Z They also unveiled an alternate jersey with a red and black gradient, and a throwback jersey similar to one they’ve worn in recent years. NFL notebook: Brady talks Patriots departure 2020-04-08T04:00:00Z The drop shadow on the numbers is bad, the stripes up the side are worse, the "ATL" is embarrassing, the red pants a big no-no, and the gradient is the ultimate deal breaker. New Atlanta Falcons uniforms confirm they will not only play like an XFL team this year, but look like one too - Golf Digest 2020-04-08T04:00:00Z Realme is known for its unusual gradient finishes, and the 6 series continues that tradition. Realme 6 and 6 Pro announced: a 90Hz screen for under $200 2020-03-05T05:00:00Z This pressure gradient drives the diffusion of oxygen out of the capillaries and into the tissue cells. Biology for AP Courses 2022-06-09T00:00:00Z When aldosterone causes a recovery of Na+ in the nephron, a negative electrical gradient is created that promotes the secretion of K+ and Cl– into the lumen. Anatomy and Physiology 2013-06-19T00:00:00Z In the new setup, spaces in between the nanowires seem to help maintain the moisture gradient, enabling power generation for 2 months and more, Yao’s team reports. Electric bacteria create currents out of thin—and thick—air 2020-02-17T05:00:00Z The winds are a product of the relative position of the low and a big Pacific high off the coast, which creates a strong pressure gradient that intensifies the winds. With more wind this weekend, Southern California will likely remain dry through February 2020-02-12T05:00:00Z Parul Sehgal, a staff critic for The Times, called the book vivid in places but predictable, clumsily written and marked by “a strange, excited fascination in commenting on gradients of brown skin.” As ‘American Dirt’ racks up sales, its author becomes the story 2020-01-25T05:00:00Z The concentration gradient of water across a membrane is inversely proportional to the concentration of solutes; that is, water moves through channel proteins called aquaporins from higher water concentration to lower water concentration. Biology for AP Courses 2022-06-09T00:00:00Z Fluid also moves between compartments along an osmotic gradient. Anatomy and Physiology 2013-06-19T00:00:00Z The light and space artist is known for his translucent gradient sculptures that toy with light and the nature of color. Datebook: Lezley Saar conjures magical beings in a solo show at Walter Maciel 2020-01-09T05:00:00Z There are any number of different gradients of outcomes. The Voices of the Afghanistan Papers 2019-12-18T05:00:00Z The stadium seating rises in a steep gradient from the field level and the nine-lane track, getting steeper the higher it goes. Tokyo’s new stadium: A masterpiece by Japan’s Kengo Kuma 2019-12-15T05:00:00Z A physical space in which there is a range of concentrations of a single substance is said to have a concentration gradient. Biology for AP Courses 2022-06-09T00:00:00Z Osmosis and diffusion involve the movement of water and other substances down their concentration gradients, respectively. Anatomy and Physiology 2013-06-19T00:00:00Z The process typically produces large temperature gradients, high solidification rates and repeated cycles of heating and cooling. Designer alloy enables 3D printing of fine-grained metals 2019-12-03T05:00:00Z As a result, there is a voltage gradient along the direction of current flow. Electrons in graphene go with the flow 2019-12-03T05:00:00Z Many crystals contain defects whose concentration varies across the crystal; the resulting concentration gradient breaks the macroscopic symmetry of the crystal, causing residual piezoelectricity and pyroelectricity3. Temperature-dependent polarization in a non-polar crystal 2019-11-17T05:00:00Z On the contrary, concentration gradients are a form of potential energy, dissipated as the gradient is eliminated. Biology for AP Courses 2022-06-09T00:00:00Z Filtration describes the movement of particles down a pressure gradient, and the movement of ions away from like charge describes their movement down their electrical gradient. Anatomy and Physiology 2013-06-19T00:00:00Z The offshore gradient will peak Sunday with the gustiest winds and possibly a few record high temperatures. Critical fire danger is elevated this weekend, but showers are possible next week 2019-11-15T05:00:00Z Unfortunately, this local voltage gradient is independent of the flow regime. Electrons in graphene go with the flow 2019-12-03T05:00:00Z The offshore flow will increase Saturday night through Monday, with gradients peaking Sunday morning. With more Santa Ana winds on the way, most of California is abnormally dry 2019-11-14T05:00:00Z In addition, each substance will diffuse according to that gradient. Biology for AP Courses 2022-06-09T00:00:00Z As we discuss osmotic pressure in blood and tissue fluid, it is important to recognize that the formed elements of blood do not contribute to osmotic concentration gradients. Anatomy and Physiology 2013-06-19T00:00:00Z The worst possible outcome would be for kindness in research to be applied differentially: biased towards scientific royalty at the top of the power gradient, with no change for the rest of us. Research culture must be kinder for all, not just royalty 2019-11-11T05:00:00Z Such an arrangement provides the required sensitivity for detecting weak electric fields or voltage gradients, such as those associated with the Hall voltage. Electrons in graphene go with the flow 2019-12-03T05:00:00Z The stronger the pressure gradient, the stronger the winds. Extreme fire weather could be the worst 'in recent memory' 2019-10-29T04:00:00Z While diffusion will go forward in the presence of a concentration gradient of a substance, several factors affect the rate of diffusion. Biology for AP Courses 2022-06-09T00:00:00Z As a result, a pressure gradient is created that drives air into the lungs. Anatomy and Physiology 2013-06-19T00:00:00Z On the first page of Heinz Koop’s fecal analysis test results, a bar showed where he fell on a gradient from green to red. The problem with labeling gut troubles "dysbiosis" 2019-10-27T04:00:00Z In general, the greater the pressure gradient, the higher the winds will be, as air flows from higher to lower pressure. California forecasters saw the ‘devil wind’ storm coming: It’s the worst-case scenario for wildfires 2019-10-27T04:00:00Z The gradient is the difference between the high pressure inland and the lower pressure at the coast. Extreme fire weather could be the worst 'in recent memory' 2019-10-29T04:00:00Z Extent of the concentration gradient: The greater the difference in concentration, the more rapid the diffusion. Biology for AP Courses 2022-06-09T00:00:00Z The intrapulmonary pressure rises above atmospheric pressure, creating a pressure gradient that causes air to leave the lungs. Anatomy and Physiology 2013-06-19T00:00:00Z The Common Data set for each college shows the gradient of importance of “demonstrated interest,” in the application from very important to not considered at all. What college applicants are getting wrong | Produced by Advertising Publications 2019-10-25T04:00:00Z They also reconstructed water-column pH gradients with the help of Earth system modeling, and found the proportions of the boron isotopes change when the acidity of the oceans increases. Dinosaurs became extinct from the same horrifying conditions plaguing our oceans 2019-10-22T04:00:00Z DDT, they found, exhibited the characteristic pinwheel gradients of a helical crystal when illuminated with polarized light. A Nazi Version of DDT Was Forgotten. Could It Help Fight Malaria? 2019-10-17T04:00:00Z The sodium-potassium pump, which maintains electrochemical gradients across the membranes of nerve cells in animals, is an example of primary active transport. Biology for AP Courses 2022-06-09T00:00:00Z Two factors help maintain this pressure gradient between the veins and the heart. Anatomy and Physiology 2013-06-19T00:00:00Z When the midge larvae experience cold, the icy environment creates a gradient for water loss, extracting water from their bodies. How Does Antarctica’s Only Native Insect Survive Extreme Cold? 2019-09-09T04:00:00Z Pro-Europeans must hope that there is a way back, that it is not a just a choice of gradient on the downward slide. Just as in 1914, the Brexit buildup is making calamity feel inevitable | Rafael Behr 2019-08-21T04:00:00Z Erosion of the core into the envelope is possible10,13, but simulations show that this process tends to remove any small composition gradients that exist in the envelope, rather than increase them14. Signs that Jupiter was mixed by a giant impact 2019-08-13T04:00:00Z The combined gradient of concentration and electrical charge that affects an ion is called its electrochemical gradient. Biology for AP Courses 2022-06-09T00:00:00Z This causes blood to flow along its pressure gradient from veins outside the thorax, where pressure is higher, into the thoracic region, where pressure is now lower. Anatomy and Physiology 2013-06-19T00:00:00Z Each checkpoint is accompanied by an obligatory specific challenge, from gravel tracks to high-altitude climbs and steep gradients. Cancer researcher becomes first woman to win 4,000km cycling race 2019-08-06T04:00:00Z Even with a century of hindsight it is impossible to discern a point of no return, a junction at which all future paths, by whatever gradient or circuitous route, converged on disaster. Just as in 1914, the Brexit buildup is making calamity feel inevitable | Rafael Behr 2019-08-21T04:00:00Z The battery materials maintained 97 percent effectiveness in capturing the salinity gradient energy, according to Stanford University. Clean energy? Researchers develop technology to harness power from freshwater and seawater 2019-07-30T04:00:00Z Therefore, a concentration gradient forms in which hydrogen ions diffuse out of the matrix space by passing through ATP synthase. Biology for AP Courses 2022-06-09T00:00:00Z Osmotic pressure is determined by osmotic concentration gradients, that is, the difference in the solute-to-water concentrations in the blood and tissue fluid. Anatomy and Physiology 2013-06-19T00:00:00Z In the second step, most used complex optimization rules instead of gradient descent, which is almost automatic. AI protein-folding algorithms solve structures faster than ever 2019-07-21T04:00:00Z "The gradient is measured by taking the 10 m stretch road and dividing it by how much it rises/falls over the 10 m distance." Wales claims title of steepest street in the world from New Zealand 2019-07-16T04:00:00Z The world number one jumped away from the pack in the Cote de Mutigny, a brutal 900-metre effort at an average gradient of 12.2%, to claim his third stage win in the race. Alaphilippe takes Tour stage three and yellow jersey 2019-07-08T04:00:00Z If the membrane were open to diffusion by the hydrogen ions, the ions would tend to diffuse back across into the matrix, driven by their electrochemical gradient. Biology for AP Courses 2022-06-09T00:00:00Z Solutes also move across the capillary wall according to their concentration gradient, but overall, the concentrations should be similar and not have a significant impact on osmosis. Anatomy and Physiology 2013-06-19T00:00:00Z |
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