| 单词 | viscosity |
| 例句 | Adam seemed clothed in a viscosity that slowed his movements and held his thoughts down. East of Eden 1952-09-01T00:00:00Z A mixture of sand and fine brown adobe clays and gray caliche, it had the texture, viscosity, and crippling powers of a tar pit. The Milagro Beanfield War 1974-01-01T00:00:00Z A second bassist, Mimi Jones, sat in near the top of the set and ended up staying for the duration, bringing a welcome viscosity to the mix. Marc Cary Brings His Jazz Specialty to Ginny’s Supper Club 2015-01-26T05:00:00Z It can be used in a variety of recipes, but has a distinct flavor and viscosity that has yet to be emulated accurately within the plant-based food realm. Made with the first vegan "buttermilk," how do these salad dressings compare to the real thing? 2022-02-24T05:00:00Z Here, okra’s viscosity isn’t disguised, but celebrated and taken to its logical conclusion: velvet. Top Cheap Bites of 2018 2018-12-11T05:00:00Z I wish there more details about the honeys offered and how to use honey, such as Nicole's note about its viscosity and how it can change so much once cooked. "Top Chef" heads to the English countryside to mess with our emotions (and celebrate) 2023-04-07T04:00:00Z You kind of get almost this amazing viscosity so that when you're having this consommé, which is that juice, that broth that it cooks in, that usually has a blend of different chiles. "My mouth is watering": Chef Claudia Sandoval's culinary border tour is undeniably delicious 2022-05-18T04:00:00Z His second album is called “Viscosity” because he enjoys saying “viscosity.” Review | In Nell Zink’s ‘Doxology,’ D.C. punk and modern politics collide 2019-08-19T04:00:00Z He sings meditatively and with real viscosity about temptation, and the song is full of emphatic piano, stark bass and conspiratorial drums. Two Tony-Winning ‘Hamilton’ Stars Step Out With New Albums 2016-06-26T04:00:00Z “But it doesn’t burn your tongue,” says Skinner, whose sorcery relies heavily on “viscosity and time,” says the science geek. Review | Outside Houston, a chef with a flair for the avant-garde serves up three hours of sorcery 2019-06-10T04:00:00Z Your visual clues are the wine’s color, intensity and viscosity. Look before you sip: A wine’s appearance offers taste, flavor clues 2020-05-15T04:00:00Z Risotto should have some viscosity, but when you plate it on a plate or in a bowl, it should move or flatten a bit — not be stiff or immovable. Most weeknight meals call for a few ingredients and 30 minutes or less. Why can't that be risotto? 2023-07-02T04:00:00Z So, you get this incredible kind of viscosity. "My mouth is watering": Chef Claudia Sandoval's culinary border tour is undeniably delicious 2022-05-18T04:00:00Z “I’ve been trying to make the viscosity just about right so that you can see the hole continuously,” she said, “but honestly, maybe it’s not perfectly there.” For Mire Lee, Rising Art Star, It All Comes Down to Guts 2023-06-23T04:00:00Z It’s a high viscosity show, oozy and murky, spreading itself along unexpected paths. How Much Watching Time Do You Have This Weekend? 2020-01-09T05:00:00Z The piano goes even farther back than the drums for Mr. DeJohnette, whose style on “Return” is austere but sonorous, with viscosity in his touch and use of pedal sustain. Review: Jack DeJohnette’s ‘In Movement’ and ‘Return’ Show Sweep 2016-05-04T04:00:00Z What’s especially impressive about this production is how it keeps its plot and characters vividly clear and distinguishable in the midst of all this senses-clogging viscosity. | London Theater Journal: Revenge Served Sticky, and Cleanly Staged Comedy 2012-02-07T16:07:11Z Further inquiry reveals they are prints created by software that Versteeg wrote to mimic the gestures, viscosity and texture of brushstrokes. Computer-generated art that meditates on authorship and creativity 2015-08-26T04:00:00Z “It adds a viscosity and a teasingly elusive flavor, if you’re not used to it,” Mr. Berry said. Shake Up Your Evening Cocktail With Some Honey 2021-03-25T04:00:00Z I changed the viscosity, to start, and also enhanced the flavor profile” — i.e., Gordon Ramsay Apologizes With Salted-Caramel Truffles 2010-10-05T20:17:00Z “We showed that decreasing champagne viscosity would improve drop evaporation,” said Liger-Belair. Champagne tastes better with bigger bubbles, study finds 2016-12-23T05:00:00Z Her voice was a mezzo marvel, kittenish or growling and, in later life, acquired the viscosity and vintage of an old ruby port, matured after years of experience. Sheila Burrell obituary 2011-07-27T17:41:02Z The viscosity of “mud,” as the trade calls it, changes all the time, and masons must rely on their instinct and experience to sling it effectively. A Team of Engineers Invented a Brick-Laying Robot. This Is Their Story. 2020-01-07T05:00:00Z She manages to get a nice complexity and sense of motion from a medium that lacks the viscosity of paint. Folded, pleated, burned, torn: Artist Samantha Thomas' tactile webs of intrigue 2016-04-04T04:00:00Z The spirit is clear, with a pleasing viscosity, a bell pepper aroma, and notes of citrus and spice on the palate. Tequila Picks Up Mezcal’s Smoky Habit 2018-09-17T04:00:00Z “The cold is going to help mask the burn, the viscosity is going to mask the burn, and the fat is going to pull the capsaicin off the receptor.” Feel the burn: why do we love chilli? 2017-04-23T04:00:00Z “Additives that would change wine viscosity without changing the taste might be used. These results pave the way towards fine tuning of champagne aroma diffusion.” Champagne tastes better with bigger bubbles, study finds 2016-12-23T05:00:00Z I love the viscosity, the way the grains remain separate though the dish is a verifiable "pudding," the smattering of ground cinnamon atop . . . it's all terrific. The magical, reliable allure of rice pudding 2023-09-27T04:00:00Z Combine it with some olive oil, shallots, herbs, salt and pepper and a touch of mustard or honey — for emulsification, viscosity, and flavor — and you're set. The balsamic break-down: Here's what makes this Italian condiment so special 2021-06-14T04:00:00Z He sings with huskiness and nimbleness, plangency and viscosity — sometimes all of these at once. Best Albums of 2022 2022-11-30T05:00:00Z “Slow it down,” she commands, over a keyboard melody with a thick, sloshy, sticky tone: a song with and about viscosity. Playlist: Inspired Variations, on Heroes and an Elixir 2014-02-28T23:30:26Z It adds to the viscosity and shine of the dressing, but I find the flavor change negligible and the sliminess of raw egg generally skeeves me out, so I leave it out. Caesar is the comfort food of salads 2023-09-09T04:00:00Z Take care not to boil the liquid, and cook until the tendons are very soft and the braising liquid has a syrup-like viscosity. A Soup That Tastes Like Being Home for the Holidays 2021-12-22T05:00:00Z Most are a generic version of Kansas City-style sauce — thick with a viscosity that's far closer to ketchup than vinegar and sweet, most likely thanks to brown sugar, honey, or both. A step-by-step guide to making easy BBQ sauce 2022-06-26T04:00:00Z Our snack break is at a local rubber weigh station, an open-air shack with neatly stacked record books and equipment to measure the weight and viscosity of the liquid rubber. A scenic spin through the hills of southwestern China 2020-01-23T05:00:00Z Okra’s unique viscosity allows you to quite literally stretch your soup from the bowl as it is spooned. Okra, a Summer Staple With So Much to Share 2021-06-11T04:00:00Z The result takes the idea of viscosity across mediums; you’re not sure whether you are looking at cascades of hair, pours of liquid or sweeps of cloth. Art In Review: ALICE CHANNER: ‘Cold Blood’ 2012-11-29T20:25:49Z Much more acidic than its friend the tomato, the tomatillo also has an incomparable, luscious viscosity when it’s cooked down, thanks to high amounts of naturally occurring pectin. Crazy Tender Chicken in Only an Hour 2018-10-26T04:00:00Z “Pure THC oil has a viscosity like that of vitamin E acetate. Cutting THC oil with vitamin E has been reported to be common in the illicit market.” Vitamin E acetate most likely caused US vaping injuries, say experts 2019-12-20T05:00:00Z Bernstein is not above milking pathos: The second movement’s funeral march unfolds with lugubrious viscosity. The Ultimate Beethoven Symphony Collection 2020-03-27T04:00:00Z Customization of these materials is possible by blending them with compounds of specific molecular structures, depending on the dynamic viscosity requirements. Understanding the dynamic behavior of rubber materials 2023-11-09T05:00:00Z The motility and energetics of sperm were less influenced by fluid flow in environments with lower viscosities. Sperm adjust their swimming style to adapt to fluctuating fluid conditions 2023-11-01T04:00:00Z Its viscosity can change from person to person and even hour to hour. No One Studied Menstrual Product Absorbency Realistically until Now 2023-08-22T04:00:00Z Ninety percent of all cosmetic products contain microplastic, added for viscosity, color, and sparkle. Microplastics are hidden in your home. Here’s how to avoid them. 2023-08-17T04:00:00Z The team then tested the stability of the lava under a range of speeds, viscosities, and layer thicknesses. Lava comes in two ‘flavors.’ Scientists may have finally figured out why 2023-06-09T04:00:00Z For a Newtonian fluid, the resistance to fluid flow – that is, its viscosity – is constant at a given temperature. Here’s the Weird Physics That Makes Peanut Butter a Liquid 2023-05-09T04:00:00Z The hyper-violence, which only grows more repetitive as it increases in velocity and viscosity, is balanced somewhat by genuinely funny sequences, when “Renfield’s” core of absurdism and sweetness manages to peek through. Review | ‘Renfield’: Silly vampire comedy has its moments, most of them bloody 2023-04-12T04:00:00Z Blood and saline solution have very different viscosities, meaning they are absorbed at different rates. No One Studied Menstrual Product Absorbency Realistically until Now 2023-08-22T04:00:00Z The aroma was earthy and slightly smoky, with surprisingly dense viscosity. Instant coffee that tastes as good as a fresh brew? These L.A. brands have the best 2023-02-23T05:00:00Z Instead of an expanding gas, the quark-gluon plasma looked like a liquid—a nearly perfect one, with almost no viscosity. Tiny Bubbles of Primordial Soup Recreate Early Universe 2023-02-22T05:00:00Z The mixer also has an auto sensor that can monitor changes in texture and viscosity and adjust speed accordingly. CES 2023: 10 tech innovations that caught our eye 2023-01-11T05:00:00Z In our recently published research, we found that human breast cancer cell migration is enhanced by the flow and viscosity of the fluids surrounding them, clarifying one of the factors influencing how tumors metastasize. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z The GE Profile also has an auto sensor that can monitor changes in texture and viscosity and adjust speed accordingly. CES 2023: Food tech for restaurants and consumers 2023-01-09T05:00:00Z It’s soft and approachable, showing good viscosity and weight. Here are the best Costco wine bargains for the 2022 holiday season 2022-12-15T05:00:00Z And she could change the physical properties of the system to make the most of each technique: with combing, the fluid needs to be more viscous; blowing requires lower viscosity and faster flow. They’re Taking Jigsaws to Infinity and Beyond 2022-12-09T05:00:00Z This is because temperature and humidity change the viscosity of aerosol particles. Wildfire smoke may warm the Earth for longer than we thought 2022-11-13T05:00:00Z This cascade of events induces cells to change their structure and generate more force to overcome the resistance imposed by high viscosity fluid, meaning the cells aren't inert at all. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z The ghost print is created using viscosity printing, a method in which clear oil is brushed over transparent plexiglass plates. The Native American Artist Harnessing ‘Old Indian Tricks’ 2022-10-29T04:00:00Z “So they’re using remote sensing to look for changes in viscosity of ocean water, which is indicative of microplastics, and it seems like it actually works.” The Search for Intelligent Life Is About to Get a Lot More Interesting 2022-09-15T04:00:00Z Using the equation of the previous problem, find the viscosity of motor oil in which a steel ball of radius 0.8 mm falls with a terminal speed of 4.32 cm/s. College Physics for AP Courses 2015-08-12T00:00:00Z Water, gasoline, and other liquids that flow freely have a low viscosity. Chemistry 2019-02-14T00:00:00Z We also discovered that cells retained "memory" after exposure to a high viscosity medium. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Erythropoietin increases blood viscosity, which makes it difficult for blood to circulate within the body. Biology for AP Courses 2022-06-09T00:00:00Z The researchers suggest salivary gland ionocytes probably regulate saliva pH and viscosity and secrete the growth factor that is crucial for salivary gland repair. ‘Frog Skin’ Cell Type Found in Mammal Mouths 2022-07-22T04:00:00Z In this section, we will investigate what factors, including viscosity, affect the rate of fluid flow. College Physics for AP Courses 2015-08-12T00:00:00Z Honey, syrup, motor oil, and other liquids that do not flow freely, like those shown in Figure 10.15, have higher viscosities. Chemistry 2019-02-14T00:00:00Z This meant that if we put cells in a high viscosity medium for several days and then returned them to a normal viscosity medium, they would still move at a faster speed. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Erythropoietin decreases blood viscosity, which makes it difficult for blood to circulate within the body. Biology for AP Courses 2022-06-09T00:00:00Z He was also struck by the importance of the fluid inside the canals, endolymph, which changes in viscosity depending on temperature. Our ancestors became warm-blooded later than we thought 2022-07-20T04:00:00Z As you might expect, the viscosities of gases are much less than those of liquids, and these viscosities are often temperature dependent. College Physics for AP Courses 2015-08-12T00:00:00Z They exhibit essentially no surface tension and very low viscosities, however, so they can more effectively penetrate very small openings in a solid mixture and remove soluble components. Chemistry 2019-02-14T00:00:00Z So we exposed human breast cancer cells to a high viscosity medium for six days, then placed them in a normal viscosity medium. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Erythropoietin increases blood viscosity, which reduces hunger and promotes a feeling of satiety. Biology for AP Courses 2022-06-09T00:00:00Z David suspected that endolymph viscosity and semicircular canal size were related, and that both could reflect endothermy. Our ancestors became warm-blooded later than we thought 2022-07-20T04:00:00Z If viscosity is zero, the fluid is frictionless and the resistance to flow is also zero. College Physics for AP Courses 2015-08-12T00:00:00Z When rhombic sulfur melts, the straw-colored liquid is quite mobile; its viscosity is low because S8 molecules are essentially spherical and offer relatively little resistance as they move past each other. Chemistry 2019-02-14T00:00:00Z Our results were consistent: Cells pre-exposed to a high viscosity medium had an increased ability to leak into surrounding tissues and metastasize compared to cells that were not pre-exposed. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Other components in the serum include proteins that assist with maintaining pH and osmotic balance while giving viscosity to the blood. Biology for AP Courses 2022-06-09T00:00:00Z Petroleum fuels are complex mixtures of hydrocarbon compounds and the properties of their components — such as density, viscosity, solubility in water, and volatility — tend to vary widely. Physical Geology 2015-01-01T00:00:00Z We can see the effect of viscosity in a Bunsen burner flame, even though the viscosity of natural gas is small. College Physics for AP Courses 2015-08-12T00:00:00Z For example, the thickness, or viscosity, of the chaulmoogra oil was due to its intermolecular forces. Chemistry 2019-02-14T00:00:00Z This result demonstrates that the viscosity of the fluids in a cell's surrounding environment is a mechanobiological cue that promotes cancer cells to metastasize. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Another difference in the adaptations of aquatic and land-dwelling organisms is that aquatic organisms are constrained in shape by the forces of drag in the water since water has higher viscosity than air. Biology for AP Courses 2022-06-09T00:00:00Z We’re using peanut butter here, rather than water, because its viscosity more closely represents the relationship between the crust and the mantle. Physical Geology 2015-01-01T00:00:00Z Motor oil has greater viscosity when cold than when warm, and so pressure must be greater to pump the same amount of cold oil. College Physics for AP Courses 2015-08-12T00:00:00Z As temperature increases, what happens to the viscosity of water? Chemistry 2019-02-14T00:00:00Z When cancer cells travel through the body, they move into spaces that will have varying fluid viscosity. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Because red blood cells increase the viscosity of blood, artificially high levels of EPO can cause severe health risks. Biology for AP Courses 2022-06-09T00:00:00Z Differences in viscosity and volatile level have significant implications for the nature of volcanic eruptions. Physical Geology 2015-01-01T00:00:00Z What pressure is needed at the entrance of the needle to cause this flow, assuming the viscosity of the saline solution to be the same as that of water? College Physics for AP Courses 2015-08-12T00:00:00Z The viscosity of a liquid is a measure of its resistance to flow. Chemistry 2019-02-14T00:00:00Z Understanding how fluid viscosity affects the movement of tumor cells could help researchers figure out ways to better treat and detect cancer before it metastasizes. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Felsic lavas have lower temperatures and more silica and thus are higher viscosity. An Introduction to Geology 2017-01-01T00:00:00Z The higher viscosity prevents gases from escaping from the magma, and so felsic magmas are more pressurized and more likely to erupt explosively. Physical Geology 2015-01-01T00:00:00Z One of the consequences of viscosity is a resistance force called viscous drag FV that is exerted on a moving object. College Physics for AP Courses 2015-08-12T00:00:00Z As the temperature increases, the molecules move more rapidly and their kinetic energies are better able to overcome the forces that hold them together; thus, the viscosity of the liquid decreases. Chemistry 2019-02-14T00:00:00Z The viscosity, or thickness, of body fluids varies from organ to organ, and from health to disease, and this can also affect cell migration. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Carbonatite lavas are very low viscosity and relatively cold for lava. An Introduction to Geology 2017-01-01T00:00:00Z The corresponding differences in magma viscosity lead to significant differences in eruptions style. Physical Geology 2015-01-01T00:00:00Z But it is also absorbed by objects, such as the eardrum in Figure 17.6, and converted to thermal energy by the viscosity of air. College Physics for AP Courses 2015-08-12T00:00:00Z Rank the motor oils in order of increasing viscosity, and explain your reasoning: Chemistry 2019-02-14T00:00:00Z This discovery was unexpected because the fundamental laws of physics tell us that inert particles should slow down in high viscosity fluids due to increased resistance. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Flood basalts are some of the largest and lowest viscosity types of eruptions known. An Introduction to Geology 2017-01-01T00:00:00Z Why are the viscosity and gas content of a magma important in determining the type of volcanic rocks that will be formed when that magma is extruded? Physical Geology 2015-01-01T00:00:00Z In the previous sections we have considered ideal fluids with little or no viscosity. College Physics for AP Courses 2015-08-12T00:00:00Z Explain their differences in viscosity in terms of the size and shape of their molecules and their IMFs. Chemistry 2019-02-14T00:00:00Z So we identified what molecules were involved in this process, discovering a cascade of events that allow high viscosity environments to enhance cell motility. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Many volcanic features are produced by viscosity, a basic property of lava. An Introduction to Geology 2017-01-01T00:00:00Z There is also some friction between water molecules themselves, which is determined by the viscosity. Physical Geology 2015-01-01T00:00:00Z The precise definition of viscosity is based on laminar, or nonturbulent, flow. College Physics for AP Courses 2015-08-12T00:00:00Z The surface tension and viscosity of water at several different temperatures are given in this table. Chemistry 2019-02-14T00:00:00Z We found that high viscosity fluids first promote the growth of protein filaments called actin, which open channels in the cell's membrane and increase water intake. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z Low viscosity magma flows easily more like syrup, the basaltic volcanism that occurs in Hawaii on shield volcanoes. An Introduction to Geology 2017-01-01T00:00:00Z Water has a low viscosity, but friction is still a factor. Physical Geology 2015-01-01T00:00:00Z Before we can define viscosity, then, we need to define laminar flow and turbulent flow. College Physics for AP Courses 2015-08-12T00:00:00Z The viscosity of blood has a dramatic impact on blood pressure and flow. Anatomy and Physiology 2013-06-19T00:00:00Z The next step is to build imaging and analysis techniques to precisely examine how cells from various types of lab animals respond to changes in fluid viscosity. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z High viscosity means a thick and sticky magma, typically felsic or intermediate, that flows slowly, similar to toothpaste. An Introduction to Geology 2017-01-01T00:00:00Z The thematic review into the baby deaths and injuries had been condemned by some families as "moving with the viscosity of treacle". Nottingham maternity review: Donna Ockenden confirmed as head 2022-05-26T04:00:00Z Fourth, F is directly proportional to the coefficient of viscosity, η . College Physics for AP Courses 2015-08-12T00:00:00Z Overproduction of EPO or excessive intake of synthetic EPO, often to enhance athletic performance, will increase viscosity, resistance, and pressure, and decrease flow in addition to its contribution as a vasoconstrictor. Anatomy and Physiology 2013-06-19T00:00:00Z Identifying the molecules that regulate how cells respond to changes in viscosity could help researchers identify potential drug targets to reduce the spread of cancer. How cancer cells move and metastasize is influenced by the fluids surrounding them 2023-01-10T05:00:00Z But families say the review is "moving with the viscosity of treacle". Families in Nottingham maternity inquiry hit out at review 2022-04-06T04:00:00Z There was no aggressive burn or unpleasant viscosity, and we soon pegged it as akin to a clean, uncomplicated pepper vodka that lent a pleasantly savory edge to cocktails. Review | Old Bay’s new vodka gives cocktails a savory, Maryland-made kick 2022-03-24T04:00:00Z The viscosity of blood can be reduced by aspirin consumption, allowing it to flow more easily around the body. College Physics for AP Courses 2015-08-12T00:00:00Z It has a viscosity approximately five times greater than water. Anatomy and Physiology 2013-06-19T00:00:00Z He speculates that the ventricles of larger-genome species may need more space to accommodate larger blood cells, which can change blood’s viscosity. Junk DNA Deforms Salamander Bodies 2022-02-02T05:00:00Z Scientists from the Geological and Mining Institute will look at the viscosity of the semi-molten material. Spanish scientists study La Palma lava samples 2021-10-21T04:00:00Z Their paper suggests there is not enough turbulence in the disk, known as its viscosity, for this explanation to suffice. This may be the first planet found orbiting 3 stars at once 2021-09-29T04:00:00Z The greater the viscosity of a fluid, the greater the value of R . College Physics for AP Courses 2015-08-12T00:00:00Z Polycythemia vera can dangerously elevate the viscosity of blood, raising blood pressure and making it more difficult for the heart to pump blood throughout the body. Anatomy and Physiology 2013-06-19T00:00:00Z They know because they filmed 34 species at an Atlanta zoo doing their business and then “hand-picked” the feces to “measure their density and viscosity.” Iowa Republican mocks taxpayer-funded study that had participants taste-testing toilet water 2021-05-19T04:00:00Z A drug user can look at a packet of heroin and make judgments on color, on viscosity, on other things that “sort of speak to them and say, ‘This might be different,'” Maroon said. Fatal drug overdoses surged in Washington last year, as COVID pandemic upended lives 2021-05-10T04:00:00Z Gel hand sanitizer is also made by adding a powder called a carbomer, often made with benzene, to create viscosity, the pharmacy said. Carcinogen found in hand sanitizers that plugged COVID gap 2021-03-24T04:00:00Z We see that resistance is directly proportional to both fluid viscosity η and the length l of a tube. College Physics for AP Courses 2015-08-12T00:00:00Z The variables affecting blood flow and blood pressure in the systemic circulation are cardiac output, compliance, blood volume, blood viscosity, and the length and diameter of the blood vessels. Anatomy and Physiology 2013-06-19T00:00:00Z In “Newtonian” fluids, viscosity is independent of the pressure being applied to the fluid per unit of area. Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid 2021-03-12T05:00:00Z Next the researchers created an artificial magma to show that nanolites boost viscosity. ‘Nanolites’ Can Trigger Dangerous Volcanic Explosions 2021-01-13T05:00:00Z Do the particles form an extreme state of matter called a superfluid that sloshes with no viscosity, never slowing down? Gravitational Waves Probe Exotic Matter inside Neutron Stars 2020-12-17T05:00:00Z Also explain why the viscosity of a gas increases with temperature—that is, how does increased gas temperature create more collisions between atoms and molecules? College Physics for AP Courses 2015-08-12T00:00:00Z The important thing to remember is this: Two of these variables, viscosity and vessel length, will change slowly in the body. Anatomy and Physiology 2013-06-19T00:00:00Z In the case of “non-Newtonian” fluids such as ketchup, the situation is different: a stronger force reduces the viscosity. Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid 2021-03-12T05:00:00Z In a real volcano, this sudden increase in the magma's viscosity would trap bubbles of escaping gas. ‘Nanolites’ Can Trigger Dangerous Volcanic Explosions 2021-01-13T05:00:00Z “Tar’s viscosity, like oil paint, will run if you heat it.” Theaster Gates: 'Art and protest are forms of political thought' 2020-10-22T04:00:00Z What will the new flow rate be if the glucose is replaced by whole blood having the same density but a viscosity 2.50 times that of the glucose? College Physics for AP Courses 2015-08-12T00:00:00Z The viscosity of blood is directly proportional to resistance and inversely proportional to flow; therefore, any condition that causes viscosity to increase will also increase resistance and decrease flow. Anatomy and Physiology 2013-06-19T00:00:00Z The chains now easily slide past one another, and macroscopically, the result is reduced viscosity. Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid 2021-03-12T05:00:00Z The experiments showed that amphotericin caused the release of HCO3−, which in turn increased the pH of the ASL, reduced its viscosity and restored its antibacterial properties. Research round-up: Cystic fibrosis 2020-07-28T04:00:00Z In the early years of the 20th century, several British scientists advanced technical, mathematical accounts of lift that treated air as a perfect fluid, meaning that it was incompressible and had zero viscosity. No One Can Explain Why Planes Stay in the Air 2020-02-04T05:00:00Z Her blood's viscosity has dropped to 95.0% of its normal value, and the blood pressure difference across the circulatory system has increased by 50.0%. College Physics for AP Courses 2015-08-12T00:00:00Z Normally the viscosity of blood does not change over short periods of time. Anatomy and Physiology 2013-06-19T00:00:00Z If the viscosity of some fluids diminishes in response to shear stress, are there other fluids whose viscosity increases? Ketchup Is Not Just a Condiment: It Is Also a Non-Newtonian Fluid 2021-03-12T05:00:00Z On the end of the peninsula, a small figure rests within a giant slingshot; the slingshot is aimed toward a “Magic Island,” guarded by a formidable bird of “nuclear viscosity,” with outspread wings. The Histories Hidden in the Periodic Table 2019-12-27T05:00:00Z Viscous flow in liquids leads to turbulence and whirls, depending on the viscosity of the liquid and on obstacles to the flow. Electrons in graphene go with the flow 2019-12-03T05:00:00Z Stokes' law describes sedimentation of particles in liquids and can be used to measure viscosity. College Physics for AP Courses 2015-08-12T00:00:00Z The two primary determinants of blood viscosity are the formed elements and plasma proteins. Anatomy and Physiology 2013-06-19T00:00:00Z It is also colorless and odorless, has similar viscosity to THC oil, and is much cheaper. Potential culprits in mystery lung illnesses: Black-market vaping products 2019-09-24T04:00:00Z Existing Conditions often uses glycerin for viscosity without a massive boost in sweetness and a combination of acids to create flavor reminiscent of champagne. No alcohol, no problem: How to make complex, balanced zero-proof cocktails 2019-08-14T04:00:00Z Others complained about its “medicinal taste,” harsh alcohol taste, and “viscosity” compared with the others. This panel taste-tested 13 hard seltzers so you don’t have to 2019-07-09T04:00:00Z One can measure the time it takes for a particle to fall a certain distance and then use Stokes' law to calculate the viscosity of the liquid. College Physics for AP Courses 2015-08-12T00:00:00Z Since the vast majority of formed elements are erythrocytes, any condition affecting erythropoiesis, such as polycythemia or anemia, can alter viscosity. Anatomy and Physiology 2013-06-19T00:00:00Z Flavor profile: Lacks the viscosity, not to mention the fire, of actual gin. Cool nonalcoholic drinks for your sober summer | Produced by Advertising Publications 2019-07-03T04:00:00Z “Oils of different weights and viscosities were tested, including six petroleum-based oils and two fish or plankton oils of common whale prey,” the authors wrote. Plastic a bigger threat to whales than oil spills or drilling, study says 2019-05-22T04:00:00Z Such characteristics include the ocean’s depth, its rate of cooling and its rate of evolution — the latter of which is controlled by magma viscosity, convection processes and the subsequent development of instability. The Moon’s mantle unveiled 2019-05-14T04:00:00Z There is a viscous drag on the object that depends on the viscosity of the fluid and the size of the object. College Physics for AP Courses 2015-08-12T00:00:00Z Since most plasma proteins are produced by the liver, any condition affecting liver function can also change the viscosity slightly and therefore alter blood flow. Anatomy and Physiology 2013-06-19T00:00:00Z Liquid iron’s viscosity is so low that it would be more likely to pool near fissures rather than build up anything akin to a familiar silicate-based cinder cone. NASA to Seek Iron-Spewing Volcanoes at Psyche 2019-04-25T04:00:00Z It didn’t, to the surprise of no one with an inkling of reality’s viscosity. Opinion | Progressives are emulating Trump — and reality is leaking from American life 2019-02-13T05:00:00Z “The key advantages are reduced time and no supports being required. However, the second of these advantages depends on the high viscosity of the resin material used,” he said. When light meets liquid: the 3D printer replicating art 2019-01-31T05:00:00Z “The silken tofu and the tahini create the richness and viscosity that you get in soft serve,” co-owner and chef Nick Wiseman says. Think tahini is only for hummus? These desserts prove it’s just as delicious as a sweet. 2019-01-14T05:00:00Z Liver abnormalities such as hepatitis, cirrhosis, alcohol damage, and drug toxicities result in decreased levels of plasma proteins, which decrease blood viscosity. Anatomy and Physiology 2013-06-19T00:00:00Z You get juniper more in the aftertaste, which lingers for a while — the sweet and bitter tongue-coating viscosity of one too many gin and tonics. The new Starbucks juniper latte tastes like one too many gin and tonics 2018-11-27T05:00:00Z “That reduced viscosity essentially provides what we call lubrication on the slabs,” Zhong said. Why Diving Tectonic Plates Get Stuck 400 Miles beneath Earth's Surface 2018-10-13T04:00:00Z Susan Alcorn first learned her way around the pedal steel guitar by playing the usual stuff — country songs where the pedal steel’s glissando was meant to evoke the viscosity of teardrops. Susan Alcorn is making the pedal steel guitar sound as flexible as the human brain 2018-10-03T04:00:00Z So the system is heated, to allow the pumping of oil with very high viscosity. Icebreaker tests out oil spill recovery system 2018-10-03T04:00:00Z While leukocytes and platelets are normally a small component of the formed elements, there are some rare conditions in which severe overproduction can impact viscosity as well. Anatomy and Physiology 2013-06-19T00:00:00Z Now we see people beginning to perform practical experiments, like melting volcanic rocks to see what would happen, and poking active lava flows with sticks to test viscosity. A Brief History of How We Figured Out How Lava Happens: Melting the Earth 2018-09-01T04:00:00Z Ayahuasca has the viscosity of spit, it tastes like beer dregs into which someone has dropped a cigar, and it is nauseating, literally. Yes, Make Psychedelics Legally Available, but Don't Forget the Risks 2018-07-08T04:00:00Z One is that the propellers and rotors used to lift conventional aircraft are not effective at small scales, where the viscosity of air is a problem. The world’s lightest wireless flying machine lifts off 2018-05-15T04:00:00Z We could apply wax to increase the curb’s viscosity, but it would look bad for years or until somebody worked it with a sand blaster. At The Intersection Of Skater Culture And Golf - Golf Digest 2018-03-21T04:00:00Z Even a phenomenon as un-mysterious as the flow of water in pipes or rivers is understood in terms of “emergent” concepts like viscosity and turbulence. Cosmic Thinker Worries about the Ends of Science and Humanity 2018-03-17T04:00:00Z For instance, the density and viscosity of Earth’s interior affect the level at which sinking slabs reach neutral buoyancy, thus stalling their descent. Pockets of water may lay deep below Earth’s surface 2018-03-08T05:00:00Z The viscosity parameter and the properties of accretion disc outbursts in close binaries. Strong disk winds traced throughout outbursts in black-hole X-ray binaries 2018-01-21T05:00:00Z Break it in two at room temperature and its various layers will stretch and ooze at different delicious viscosities. ‘Not built for this’: What fails in the extreme cold? Just about everything. 2018-01-03T05:00:00Z For each sample, I use a refractometer, which measures moisture content, a pH meter for acidity, a honey color photometer, and other instruments that measure acidity and viscosity. Separating the Good Honey From the Bad 2017-12-29T05:00:00Z This correlation between melt structure, viscosity and eruptive behaviour holds despite the variable water content and other parameters, such as temperature, that are inherent in natural eruptions. A compositional tipping point governing the mobilization and eruption style of rhyolitic magma 2017-12-12T05:00:00Z Feel the glycerinlike viscosity of the thread stage, and the glass-eel stage of the soft ball, and then the icicle look of the hard ball, which is as firm as candle wax when pressed. Set Your Ice Cream Cake on Fire 2017-12-01T05:00:00Z The love songs on this album move with a lower viscosity than the sociopolitical provocative funk she had previously been doing. Should Women Make Their Own Pop Music Canon? 2017-10-05T04:00:00Z Like friction between solid objects, this viscosity acts to increase resistance to movement between layers of fluid, and thereby dissipates kinetic energy as heat. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z Of 29 million tonnes of oil planned to be extracted this year, some 1.5 million - double last year's amount - should be high viscosity, which requires heating to extract crude. Innovate, cut costs: how a Russian oil firm navigates global supply curbs 2017-08-09T04:00:00Z These viscosity variations are not predicted by current viscosity models11,12 and result from melt structure reorganization, as confirmed by Raman spectroscopy. A compositional tipping point governing the mobilization and eruption style of rhyolitic magma 2017-12-12T05:00:00Z “Sticking a knife in will stir it locally” and decrease the viscosity at the opening of the bottle, Dr. Stickland said in an email. How to Get Ketchup From a Bottle Without the Wait, Watery Goo and Splatter 2017-02-13T05:00:00Z Presenting the findings last weekend at the American Association for the Advancement of Science annual meeting in Boston, they said a key factor was that the viscosity of molasses increases dramatically as it cools. Study reveals why so many met a sticky end in Boston's Great Molasses Flood 2017-02-25T05:00:00Z Turbulence spreads energy into increasingly tiny eddies, which, at their smaller scale, increase local viscosity. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z Of 29 million tonnes of oil planned to be extracted this year, some 1.5 million - double last year's amount - should be high viscosity, which requires heating to extract crude. Innovate, cut costs: how a Russian oil firm navigates global supply curbs 2017-08-09T04:00:00Z They find that, within a narrow compositional zone, melt viscosity increases by up to two orders of magnitude, which they propose to be the consequence of melt structure reorganization. A compositional tipping point governing the mobilization and eruption style of rhyolitic magma 2017-12-12T05:00:00Z Frog saliva is a non-Newtonian fluid, the team found, meaning it defies Newton’s law of viscosity and its flow changes under stress. Watch: A frog’s tongue is an ultrasoft shock absorber 2017-01-31T05:00:00Z Each service’s culture, and interservice rivalries, and bureaucratic viscosity are resistant to reform. Can Mattis make peace through technology? 2016-12-21T05:00:00Z In one of those terse revelations, Onsager announced in 1949 the surprising idea that turbulent fluids dissipate energy even in the absence of viscosity. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z Over the next few years, she and Karp tested different versions of the glue, each with a slight variation in viscosity or adhesive properties. Inspired by nature: the thrilling new science that could transform medicine | Laura Parker 2016-10-25T04:00:00Z If the viscosity theory is correct, the waves should propagate in the opposite direction, from the ground to the clouds. Venus: Inhospitable, and Perhaps Instructional 2016-10-17T04:00:00Z Superfluidity is a similar state that is achieved when liquids flow with no viscosity at all, meaning no loss of kinetic energy as they move. Why 'Exotic Matter' Matters—and Won the Nobel Prize in Physics 2016-10-04T04:00:00Z The only differences were their calorie contents—either 100 or 500 calories—and their viscosity—thin or thick. Here's Why You Should Make Your Next Drink In a Blender 2016-07-06T04:00:00Z A start would be to find solutions describing a fluid that starts with viscosity and gradually becomes infinitesimally thin. Mysteries of turbulence unravelled 2017-08-20T04:00:00Z What the Temple researchers found was that an electric field applied in the flow direction of a liquid stream of chocolate helped to reduce its viscosity along that direction. Lower-fat chocolate is now possible thanks to electrical engineering 2016-06-20T04:00:00Z That let them measure how much the saliva’s stickiness slowed the bead’s descent, therefore allowing them to calculate the spit’s viscosity. Chameleon spit is 400 times more sticky than human saliva 2016-06-20T04:00:00Z They filmed each tank shaking for 10 seconds under different shaking frequencies and amplitudes, with syrup “magmas” of different viscosities, volumes, crystal contents, and bubble fractions. How earthquakes might trigger faraway volcanoes 2016-04-26T04:00:00Z Finding an alternative to distillation is difficult because crude oil contains many complex molecules, some with high viscosities, and myriad contaminants, including sulfur compounds and metals such as mercury and nickel. Seven chemical separations to change the world 2016-04-25T04:00:00Z Heat decreases asphalt’s viscosity, sending liquid to the track’s surface. Richmond brings its April NASCAR race back into the sunlight 2016-04-22T04:00:00Z The liquid's viscosity was made anisotropic, which is to say that it was reduced only in the flow direction, the one that matters. Lower-fat chocolate is now possible thanks to electrical engineering 2016-06-20T04:00:00Z Last year, Qualcomm Life began working with drug giant Roche on a connected coagulation meter that measures the viscosity of blood in stroke patients outside the hospital. Just what the doctor ordered: connectivity in medical devices 2016-02-21T05:00:00Z Scaling their body size to that of a human and considering the viscosity of sea water, their trek is like a nightly marathon through pudding. Submarines and Sea Monkeys 2015-12-01T05:00:00Z So it’s a combination of viscosity and acidity that will determine how much bacteria gets into the dip from double-dipping. Is Double-Dipping a Food Safety Problem or Just a Nasty Habit? 2015-11-25T05:00:00Z The viscosity and elasticity of the tissue were similar to the viscosity and elasticity of normal tissue, further tests showed. Researchers Grow Vocal Cord Tissue That Can "Talk" 2015-11-20T05:00:00Z For us humble geeks, it's just really cool to see the problem of viscosity ameliorated with the help of some clever electrical engineering. Lower-fat chocolate is now possible thanks to electrical engineering 2016-06-20T04:00:00Z Currently, a car needs its engine warmed up to reduce the oil's viscosity, before it's hoisted up in the workshop and the oil drained into a drip pan. Aston Martin debuts Castrol's 90 second oil change tech 2015-11-19T05:00:00Z Background Several physical quantities, including the viscosity and color, determine the look of a fluid. Fake Blood Made Scientific 2015-10-29T04:00:00Z Changes tell the researchers how fast lava was flowing relative to its viscosity. Team conducts field experiments at Craters of the Moon 2015-09-07T04:00:00Z The accident caused damage to at least one barge containing slurry oil, a heavy refining byproduct used to adjust viscosity, rupturing the cargo tank. Coast Guard closes part of Mississippi River after oil spill 2015-09-03T04:00:00Z In this project you will learn a little bit about viscosity by holding a marble race! Marble Race--in Liquid! 2015-08-27T04:00:00Z Other factors to be considered include the quantity, viscosity and odor of the mucus, and sometimes a microbial culture to identify the exact organism that started the changes in the mucus. The Multicolor Signals of Mucus 2015-08-17T04:00:00Z Their work on Camelina sativa is focused on lowering its viscosity - essentially, its resistance to flowing. Researchers work on possible diesel replacement 2015-08-16T04:00:00Z No feedback mechanisms means worrying about things like "the viscosity of butter" I ate crab bisque cooked by a robot chef 2015-07-31T04:00:00Z This allowed the team to calculate the viscosity of the bacterial cocktail. Energetic bacteria form frictionless superfluids 2015-07-09T04:00:00Z Will viscosity affect how fast the marbles fall? Marble Race--in Liquid! 2015-08-27T04:00:00Z Salad dressing proved the menu item most difficult to reformulate, she said, in part because different oils impart specific viscosity and taste. Panera Bread Plans to Drop a Long List of Ingredients 2015-05-04T04:00:00Z ‘One of the properties we see is shear-thinning which reduces the viscosity substantially.’ Safer Antifreeze Made From Food Additive And Nanoparticles 2015-03-27T04:00:00Z These tiny particles reduce the viscosity of the liquid, which helps it to spread across the surface that the ivy wants to cling to, and thus maximizes contact. Synthetic coatings: Super surfaces : Nature : Nature Publishing Group 2015-03-24T04:00:00Z As the number of bacteria was increased, the viscosity dropped, confirming predictions3 about the effects of microscopic, active swimmers on a normal fluid. Energetic bacteria form frictionless superfluids 2015-07-09T04:00:00Z We poured the onion juice into the vial as well and watched as the green and red combined to produce a fluid with both the tint and viscosity of maple syrup. Is Most of Our DNA Garbage? 2015-03-05T05:00:00Z This is in part down to sulfur content and viscosity of the country’s crude oil being in alignment with the requirements of around 25% of US refiners. Saudis Won't Relent in Oil Market Tussle 2014-12-05T05:00:00Z Adding metal oxide nanoparticles to the mixture reduces its viscosity, he explains. Safer Antifreeze Made From Food Additive And Nanoparticles 2015-03-27T04:00:00Z This is down to near-zero owing to its viscosity and sulfur content being similar to readily available US crude oil varieties. Revenge of The Physical Crude Oil Traders 2014-11-24T05:00:00Z As the bacteria swim, they fight against the current, decreasing the local forces between molecules that ultimately determine the fluid’s viscosity. Energetic bacteria form frictionless superfluids 2015-07-09T04:00:00Z It’s also used as a thickener, increasing the viscosity of liquids and batters. The Case for Processed Foods 2014-11-05T05:00:00Z Agave nectar is similar to honey in sweetness, viscosity and taste. Placebo May Aid Baby's Cough 2014-11-03T05:00:00Z "If they measure the viscosity of that one, then maybe they can hope for an extra grade." Tedium, tragedy and tar: The slowest drops in science 2014-07-25T04:00:00Z I experimented with the chemistry of the ink, by changing the viscosity of it and the types of paper that I used. Creative Spark: Neuroscientist-Turned-Artist Shares His Process 2014-06-28T04:00:00Z The scientists spun the solution slowly in a rheometer, a device that measures viscosity, and recorded how the sample flowed at different spin rates and bacterial concentrations. Energetic bacteria form frictionless superfluids 2015-07-09T04:00:00Z The American Petroleum Institute classifies base oils into 5 groups according to characteristics such as sulfur content, saturated paraffin content, viscosity and pour point. Chevron's New Base Oil Plant To Improve Its Downstream Profitability 2014-06-24T04:00:00Z Penoyer said the thick viscosity of the oil made it recoverable by skimmers. Houston ship lane remains shut as cleanup drags on; Exxon cuts output 2014-03-25T02:56:35Z Mr. Slifka, Global’s chief executive, said the heating units were needed to accommodate “any types of U.S. and Canadian crudes that would require heat to be put to them because of the viscosity.” Bakken Crude, Rolling Through Albany 2014-02-28T01:34:11Z Although the former is sparse and cold while the latter is thick and usually served warm, their viscosities are calculated from data and simulations to be almost exactly equal. Big Bang Secrets Swirling in a Fluid Universe 2014-02-21T16:00:00Z That ingredient is then tried in the recipe, and the recipe goes through tweaks to try to achieve the same viscosity, texture and other attributes contributed by the old ingredient. Social Media as a Megaphone to Push Food Makers to Change 2013-12-31T01:31:12Z When the viscosity, or thickness, of the fluid the bacterium is swimming in goes up, B. burgdorferi slows down. On the Curious Motions of Syphilis and Lyme Disease Bacteria 2013-12-29T12:45:00.461Z The other would suspend the fibres in a viscous fluid and then expel the fluid by modifying the viscosity around the fibres. The paper industry and climate change: Roll on the green revolution 2013-11-28T15:58:37Z New model uses friction to explain sudden jump in viscosity in rapidly flowing suspensions of hard particles. Physics Week in Review: November 23, 2013 2013-11-24T12:45:05.920Z “Twenty pascal-seconds is the viscosity of the universe,” said Leonardo Senatore, an assistant professor of physics at Stanford University — just as it is for the ice cream topping. Big Bang Secrets Swirling in a Fluid Universe 2014-02-21T16:00:00Z In the sea, high viscosity PIB becomes "glue-like", covering birds and restricting their movements and ability to feed, causing them to eventually die from hypothermia or starvation. Worldwide ban on bird pollutant 2013-10-22T11:51:31Z By slingshotting itself around, the researchers proposed, Pseudomonas aeruginosa was taking advantage of “shear thinning”: it used the movement of its body to reduce the viscosity of surrounding fluid. The Science of the Great Molasses Flood 2013-08-10T16:15:00.790Z The exact kind of coal-tar black was important, but what really counted was the property – viscosity – and not the molecular composition. Memo to chemists: Move away from the molecule 2013-07-19T14:45:07.410Z “It’s been such a great talking point, with colleagues eager to investigate the mechanics of the break, and the viscosity of the pitch”. World's Slowest-Moving Drop Caught on Camera At Last 2013-07-19T14:15:00.863Z They have calculated properties that characterize the universe’s behavior and evolution, including its viscosity, or resistance to deformation by sound waves and other disturbances. Big Bang Secrets Swirling in a Fluid Universe 2014-02-21T16:00:00Z "We are keeping the current category but will create a new entry for the high viscosity PIB, which is the problem chemical if you like, in terms of these discharges." Worldwide ban on bird pollutant 2013-10-22T11:51:31Z Molasses is a non-Newtonian fluid, which means that its viscosity depends on the forces applied to it, as measured by shear rate. The Science of the Great Molasses Flood 2013-08-10T16:15:00.790Z "If you inject a bacterium into a medium with different viscosity and different density, this also might affect the vibration of the sensor." Microscopic 'Tuning Forks' Could Make the Difference Between Life and Death in the Hospital 2013-06-30T18:00:00Z The liquids' viscosity, or resistance to flow, doesn't change. Starchy Science: Creating Your Own Colloid 2013-03-07T15:15:00.267Z The average gravitational effect of matter on small scales is represented as a fluid’s viscosity; hence, the connection between the cosmos and chocolate syrup. Big Bang Secrets Swirling in a Fluid Universe 2014-02-21T16:00:00Z They equated the viscosity of a fluid to gravitational waves caroming off a black hole in higher-dimensional space—which, even for a physicist, is not an analogy that springs to mind. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z All the stuff piling up at the horizon forms a ghostly membrane, which obeys the usual laws of physics and has conventional properties such as viscosity and electrical conductivity. When You Fall Into a Black Hole, How Long Have You Got? 2012-12-14T17:45:04.043Z While animals like pond skater insects and fisher spiders balance on the water’s surface, pygmy mole crickets exploit the water’s viscosity. Observatory: Pygmy Mole Crickets Can Jump From Water’s Surface 2012-12-04T20:50:21Z One of those properties is viscosity, loosely defined as how much friction/resistance there is to flow in a given substance. Walking on... Custard? Fun with Non-Newtonian Fluids 2012-09-05T20:45:12.803Z This allowed them to control the polymer’s viscosity and elasticity. Repairing voices: Good vibrations 2012-08-23T15:11:37Z Theorists were at a loss to calculate basic parameters of the fluid, such as viscosity—loosely speaking, the friction of fluid flow. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z Like their European counterparts, their fate was sealed by their reliance on relatively expensive “light and sweet” crude, low in sulphur and viscosity, as a feedstock. Refining oil: Stormy petrol 2012-07-19T15:02:30Z This is especially true of fats — think of the creamy 'mouth feel' of butter and ice-cream, and the oiliness and viscosity of a rich salad dressing. Sensory science: Partners in flavour 2012-06-25T13:20:53.367Z In a non-Newtonian fluid, the viscosity changes in response to an applied strain or shearing force, thereby straddling the boundary between liquid and solid behavior. Walking on... Custard? Fun with Non-Newtonian Fluids 2012-09-05T20:45:12.803Z The V’s of big data continue to expand from volume, velocity, and variety to include veracity, viscosity, and virality. Tuesday's Tip: The Big Question In Big Data Is...What's The Question? 2012-06-21T06:12:33Z A gas actually has a fairly large viscosity, since its particles are spaced farther apart and collide less frequently than those in a liquid. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z It would appear, however, that liquids, such as water and glycerin, differ remarkably little in conductivity in spite of enormous differences of viscosity. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z “Usually dairy products made with milk fat are softer and present a very pleasant viscosity and texture,” Dr. Granato said. Well: The Challenge of Going Vegan 2012-04-16T22:50:52Z Their viscosity changes when a shearing force is applied. Walking on... Custard? Fun with Non-Newtonian Fluids 2012-09-05T20:45:12.803Z But leaving viscosity entirely aside, and dealing only with so-called perfect fluids, the difficulties are often overwhelming. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z Brustein’s insight was that viscosity is not the only fluid property you can measure. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z Still another is that it increases the viscosity of blood, leading to more clots or hardening of the arteries. Hearts and Air Pollution: Five Deadly Air Pollutants Measured on Five Continents 2012-02-15T17:45:00.237Z The third possible mechanism is an increase in blood viscosity as a result of air pollution. Metaanalysis: Air Pollutants Raise Short Term Risk of MI 2012-02-14T21:11:27Z In media which, on account of their viscosity, offer considerable resistance to those molecular movements which are necessary for the building and growth of crystals, rudimentary or imperfect forms of crystallization very frequently occur. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 7 "Crocoite" to "Cuba" 2012-01-22T03:00:24.397Z Those oils should be selected which, with a maximum of viscosity, are capable of withstanding great heat without volatilizing or burning. Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines 2011-12-28T03:00:31.087Z If the duality is valid, viscosity and shape will be related in a way that pins down the corresponding theory of gravity. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z Supefluidity is an exotic state of matter that drastically lowers viscosity, and thus it enables the liquid to soak the porous material the magnet is made of, carrying any stray heat away more efficiently. Waiting for the Higgs, With the Man Who Built the LHC 2011-12-12T22:15:00.247Z The oil pressure will vary according to weather conditions and viscosity of oil used. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z "We turned the calculation on its head to give us a prediction for the value of the shear viscosity of a plasma," says Son, referring to a key parameter of the quark–gluon fireball. A meeting of disciplines: String theory finds a bench mate 2011-10-19T17:20:28.410Z As yet there is not much known about the subject, and no one has devised a satisfactory means of measuring the viscosity. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z For instance, if Einstein’s general relativity governs the gravitational dual, the minimum viscosity will equal 1/4π and the plasma should be spherically symmetrical. Physicists Find a Backdoor Way to Do Experiments on Exotic Gravitational Physics 2012-12-18T18:15:02.807Z They were made in the form of semi-paste and then thinned down with sufficient refined linseed oil so that each would have a relative viscosity. Paint Technology and Tests 2011-09-15T02:00:12.263Z The viscosity will vary from light spindle or dynamo oils, which have but little more body than kerosene, to the heaviest greases and tallows. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z So while there might be similarities, it's not at all clear that erosive, low viscosity lavas are the common cause. What Built Mars' Canals? 2011-07-27T15:17:00Z It is thought by some that an increased viscosity assists in producing an increased amount of work for the heart. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Both types of air-brush equipment illustrated here require three cubic feet of air per minute to operate and the pressure necessary depends on the density, consistency or viscosity of the material used. Advanced Toy Making for Schools 2011-07-24T02:00:09.413Z No reductions were made to any of the paints applied except in three cases, where the viscosity was so great that it was necessary to add a small amount of pure spirits of turpentine. Paint Technology and Tests 2011-09-15T02:00:12.263Z The best cylinder oils have flash points usually in excess of 500 degrees F., and while they have a high degree of viscosity at 100 degrees F. they become more fluid as the temperature increases. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Cernuschi hypothesizes that Pollock usually tuned the viscosity of his paint to avoid them, because letting the paint spontaneously coil was "relinquishing too much control, too much of his personal agency" to physics. Jackson Pollock, Physicist? 2011-07-06T19:47:44Z Some authors consider that the so-called viscosity of the blood also is a factor in the causation of increased tension. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The spraying pressure necessarily depends on the density, consistency and viscosity of the material used. Advanced Toy Making for Schools 2011-07-24T02:00:09.413Z The very great viscosity of acid magmas prevents their molecules, especially when cooling takes place suddenly, from arranging themselves to form discrete crystals, and is the principal cause of the production of felsitic ground-masses. Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 2 "Fairbanks, Erastus" to "Fens" 2011-06-19T02:00:16.580Z The only change then necessary in viscosity would be that due to climatic conditions. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z The researchers discovered that just 1 minute inside the field was enough to reduce the blood viscosity by 20% to 30%. Magnets Keep Blood Flowing 2011-06-09T20:30:23Z The viscosity of the blood, as such, probably has very little effect on the resistance to the flow. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The mathematical expressions that underlie the dynamics of fluids, turbulent or otherwise, comprise a set of differential equations for fluid velocity that are reliant on factors like viscosity, density and gravity. Steven Orszag, Pioneer in Fluid Dynamics Study, Dies at 68 2011-05-07T23:01:14Z The atmosphere would possess a high viscosity, and differences in condition, pressure and saturation would tend to accumulate, until at length the balance would be restored with explosive suddenness and force. Are the Planets Inhabited? 2011-04-24T02:00:07.733Z Oils best adapted for Hall-Scott engines have the following properties: A flash test of not less than 400° F.; viscosity of not less than 75 to 85 taken at 21° F. with Saybolt’s Universal Viscosimeter. Aviation Engines Design?Construction?Operation and Repair 2011-12-04T03:00:04.777Z Strokes and heart attacks, the leading causes of death in the industrialized world, are often linked to high blood viscosity. Magnets Keep Blood Flowing 2011-06-09T20:30:23Z What relationship the viscosity of the blood has to the rate and volume of flow is not fully understood. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z The heat reduces the viscosity of the oil so that it is similar to diesel and can then be injected into the engine properly. You Won't Smell Like McDonald's If You Drive a French Fry Car--The Best Oil Comes From Chinese Food Anyway 2011-03-07T21:50:03Z The drift of his work had been to identify all colloids as liquid solutions of variable degrees of viscosity, and to treat crystalline bodies as the only solids. Marriage 2011-02-22T03:00:06.867Z Different fluid mixtures, varying in temperature and viscosity, are applied for different conditions, often in combination. Icy runways! Snow! Canceled flights! 2011-02-08T17:01:00Z Currently, the only way to reduce blood viscosity is with drugs like aspirin, which inhibit the tendency of blood to clot. Magnets Keep Blood Flowing 2011-06-09T20:30:23Z The latest use to which the radiometer has been put was to test the viscosity of gases at decreasing pressures. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z During the spring of 1880, Peirce made studies of the supports for the pendulums of these earlier determinations and calculated corrections to those results for hydrodynamic effects, viscosity, and flexure. Development of Gravity Pendulums in the 19th Century Contributions from the Museum of History and Technology, Papers 34-44 On Science and Technology, Smithsonian Institution, 1966 2011-01-22T03:00:16.753Z The variation of viscosity in varying temperatures is less in mineral oils than in animal or vegetable oils. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z Although the estimated viscosity/entropy ratio approached the perfect fluid limit, it still exceeded it by fivefold. This Week in Science 2011-01-06T19:25:00.633Z Tao hopes that, with refinement, the technique will allow patients who are not hospital-bound to check into a clinic only twice a day for treatment, to keep their blood viscosity down permanently. Magnets Keep Blood Flowing 2011-06-09T20:30:23Z By exhausting the air to various degrees of rarity, it was proved that Prof. Clerk Maxwell's theory, that the viscosity of a gas is independent of its density, is correct. The Galaxy Vol. XXIII?March, 1877.?No. 3 2011-01-31T03:00:16.193Z Cooks increase the viscosity of gravies and sauces by using flour and cornstarch as thickeners. At Harvard, the Kitchen as Lab 2010-10-20T05:31:00Z Stearine and paraffine both possess great viscosity; and, though the fluid friction is increased by their use, the solid friction is diminished. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z In cooking school, you’ll hear that the sauce must be simmered for at least 20 minutes in order for the roux to be properly dispersed in the liquid and to reach its maximum viscosity. Recipes for Health: A Classic French Sauce, Revisited 2010-06-28T16:14:00Z They are also developing technology to measure blood viscosity at several locations inside an artery. Magnets Keep Blood Flowing 2011-06-09T20:30:23Z A bubble may form a plethora of smaller bubbles when it pops, depending on its viscosity, or how thick and glutinous it is, according to published in the June 10 issue of the journal . Observatory: The Bubbles Bursting in Air 2010-06-14T21:25:00Z In the same way, the proteins in flour, cornstarch and xanthan gum also increase viscosity and thicken the liquid. At Harvard, the Kitchen as Lab 2010-10-20T05:31:00Z It is necessary, then, on putting the watch in order, to employ a lubricant which possesses the same variation of viscosity as the oil which was used during adjustment. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z In the next section I shall endeavour to explain the origin of the crevasses, and shall afterwards make a few additional remarks on the alleged viscosity of ice. The Glaciers of the Alps Being a narrative of excursions and ascents, etc. The figured elements of these pseudo-organic forms depend on the nature, the viscosity, and the concentration of the liquids in which they are produced. The Mechanism of Life Among these is the superficial viscosity of Plateau. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" To measure the viscosity, the liquids were poured into measuring columns — standard equipment for a chemistry lab. At Harvard, the Kitchen as Lab 2010-10-20T05:31:00Z It is proportional to the density of the fluid and is related in some way to its viscosity. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z Broadly considered, two classes of facts are presented to the glacier-observer; the one suggestive of viscosity, and the other of the reverse. The Glaciers of the Alps Being a narrative of excursions and ascents, etc. Such a curve much resembles that giving the relation between atomic weight and viscosity in solution. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" Plateau attributed these differences to a special quality of the liquids, named by him “superficial viscosity.” Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 3 "Capefigue" to "Carneades" These are very rare, and the slope of the sides depends on the amount of original viscosity. Volcanoes: Past and Present The former are said to be viscous, or to possess viscosity. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z The phenomena described and accounted for in the last chapter have a direct bearing upon the question of viscosity. The Glaciers of the Alps Being a narrative of excursions and ascents, etc. Now the rate of increase with temperature of these ionic velocities is very nearly identical with the rate of decrease of the viscosity of the liquid. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 8 "Conduction, Electric" No matter how I moved, the viscosity of the solution quickly slowed me down. The Trouble with Telstar On the other hand, a radius of about ten miles from the centre would probably include all the streams of trachyte;—so much greater has been the viscosity of the basalt over the latter rock. Volcanoes: Past and Present The best lubricant, as a rule, is that having the least viscosity combined with the greatest adhesiveness. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z What then is the meaning of viscosity or viscidity? The Glaciers of the Alps Being a narrative of excursions and ascents, etc. In the July issue of Astounding Stories, page seven, paragraph four, sentences fourteen and fifteen, he states that the Heaviside Layer is composed of a liquid of high viscosity. Astounding Stories, May, 1931 A heavy oil such as you use in the winter to lubricate your automobile has a much higher viscosity than water, yet it will float on water, i. e. it is less dense. Astounding Stories of Super-Science January 1931 The more compound is heated, the thinner it becomes—it should never be allowed to become so hot that it flows too freely—it should never exceed the viscosity of medium molasses. The Automobile Storage Battery Its Care And Repair The Effect Of Heat On Oils is very marked in all cases; some oils being much more subject to change than others, in viscosity and other properties, under the influence of an increase of temperature. Friction, Lubrication and the Lubricants in Horology 2011-01-20T03:00:07.073Z This is because the friction and viscosity of the air robs the rings of their substance and energy. The Machinery of the Universe Mechanical Conceptions of Physical Phenomena I can't argue about the matter of meteors because Mr. Meek has not given any figures concerning the density or viscosity of his medium. Astounding Stories, May, 1931 Nay, if those grumous and speckly viscosities of evil green, orange, poppy purple, and nameless hues, are the only things which give us any pleasure? Laurus Nobilis Chapters on Art and Life The viscosity of milk is often markedly increased over that which it normally possesses. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying If the test is giving a negative reaction, the bacilli may be collected in large clumps owing to the viscosity of the concentrated serum. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. Some high-class mineral oils of high viscosity are inclined to emulsify with water, which emulsion appears as a jelly-like substance. Steam Turbines A Book of Instruction for the Adjustment and Operation of the Principal Types of this Class of Prime Movers C6H10O5—has little influence upon the viscose reaction, but lowers the viscosity of the solution of the sulphocarbonate prepared from it. Researches on Cellulose 1895-1900 In the process of this change, rocks expand or contract; and, in portions, their multitudinous fissures give them a ductility or viscosity like that of glacier-ice on a larger scale. On the Old Road, Vol. 2 (of 2) A Collection of Miscellaneous Essays and Articles on Art and Literature The cream, having the heavier body or viscosity, will move more slowly. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying A viscous precipitate forms which frequently loses its viscosity when heat is applied. The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. It might be added that high-grade oils having a high viscosity might not be the most suitable for turbine use. Steam Turbines A Book of Instruction for the Adjustment and Operation of the Principal Types of this Class of Prime Movers The normal acetate gives solutions of high viscosity, films of considerable tenacity, and when those are saponified the cellulose is regenerated as an unbroken film. Researches on Cellulose 1895-1900 The presence of organic matter gives the wet clay a greater plasticity, probably because it forms a kind of mucilage which adds a certain viscosity and adhesiveness to the natural plasticity of the clay. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" The soul had lost its wings, clogged by the viscosity of matter. Morals and Dogma of the Ancient and Accepted Scottish Rite of Freemasonry Most oxidized oils, especially cotton seed oil, reveal a similar acrid taste, but walnut oil has, in addition, an unmistakable increase in viscosity. Scientific American Supplement, No. 717, September 28, 1889 The various components are sorted out by fractional distillation and the oil for burning in lamps is selected according to its volatility, viscosity, stability, etc. Artificial Light Its Influence upon Civilization Various probable uses are suggested by the viscosity of the evaporated extract. Researches on Cellulose 1895-1900 It depends on the resistance or viscosity of fluids, and on the smallness of the particles concerned. Scientific American Supplement, No. 443, June 28, 1884 A low degree of viscosity will suffice to permit of movements so slow. The Birth-Time of the World and Other Scientific Essays It is the extreme viscosity of quartz, at the heat even of an electric arc, that makes these fibers possible. Scientific American Supplement, No. 717, September 28, 1889 Yet ordinary thermodynamics could not account for experimentally realizable states of equilibrium in the phenomena of viscosity and friction, since this science declares them to be impossible. The New Physics and Its Evolution In these applications the extraordinary viscosity of the product conditions the economic use of the cellulose in competition with oils, on the one hand, and organic colloids, such as gelatine, casein, &c., on the other. Researches on Cellulose 1895-1900 If the operation is repeated in molasses, we in the same way obtain the weight of adhering liquid, which, if divided by the weight of adhering water, gives the viscosity as compared with water. Scientific American Supplement, No. 832, December 12, 1891 While above the folded sediments are being carried northward, beneath they are becoming anchored in the growing viscosity of the medium. The Birth-Time of the World and Other Scientific Essays It would seem, therefore, that strong solutions, say of 50 per cent. strength, would be more alike in viscosity than solutions of 5 per cent. strength of the same gums. Scientific American Supplement, No. 821, September 26, 1891 M. Taminan has demonstrated that amorphous solids may very well, in fact, be regarded as superposed liquids endowed with very great viscosity. The New Physics and Its Evolution There is a progressive loss of viscosity of the solution, and a corresponding deterioration in the structural properties of the cellulose when regenerated from it—especially marked in the film form. Researches on Cellulose 1895-1900 In sugar refining it is frequently desirable to determine the viscosity of sirups, molasses, etc. Scientific American Supplement, No. 832, December 12, 1891 The dotted line may be assumed to be a geotherm having a temperature of viscosity. The Birth-Time of the World and Other Scientific Essays This was also clear and gave a considerably higher viscosity than the previous solution. Scientific American Supplement, No. 821, September 26, 1891 The existence of these reactions leads us to the idea of viscosity or internal friction. The New Physics and Its Evolution In this connection it might be well to speak further of the subject of "white strength," by which is meant the stiffness or viscosity of the egg white. The Dollar Hen I have not rejected any by design, merely because they were unnecessary or exuberant, but have received those which by different writers have been differently formed, as viscid, and viscidity, viscous, and viscosity. Prefaces and Prologues to Famous Books with Introductions, Notes and Illustrations The one refers it mainly to regelation; the other to a real viscosity of the ice. The Birth-Time of the World and Other Scientific Essays As will be observed, its viscosity differs widely from those of solutions C and D, between which it lies in percentage of Ghatti. Scientific American Supplement, No. 821, September 26, 1891 At first sight a solid body appears to have a finite rigidity and an infinite viscosity; a liquid, on the contrary, presents a certain viscosity, but no rigidity. The New Physics and Its Evolution A. Because the spittle is without the viscosity of meat, which is wont to make the spittle of one who is full, gross and thick. The Works of Aristotle the Famous Philosopher Containing his Complete Masterpiece and Family Physician; his Experienced Midwife, his Book of Problems and his Remarks on Physiognomy No one seriously doubts that Jupiter, Saturn, Uranus and Neptune are now largely gaseous, and that they will evolve, through various degrees of viscosity, into the solid and comparatively elastic state. Popular Science Monthly Oct, Nov, Dec, 1915 — Volume 86 In fact, regelation will confer upon it all the appearance of viscosity. The Birth-Time of the World and Other Scientific Essays The increase in viscosity would be due to the thickening of the arabic acid by the metarabin. Scientific American Supplement, No. 821, September 26, 1891 In certain cases observed long ago with what are called pasty bodies, this viscosity attains a value almost comparable to that observed by M. Spring in some solids. The New Physics and Its Evolution A. By reason of some secret property, or that the tongue of a dog is full of pores, and so doth draw and take away the viscosity of the wound. The Works of Aristotle the Famous Philosopher Containing his Complete Masterpiece and Family Physician; his Experienced Midwife, his Book of Problems and his Remarks on Physiognomy The physical reason for this is that the incredibly tenuous ionized gas which does the reflecting has a molasses-like viscosity. The Dawn of Amateur Radio in the U.K. and Greece: a personal view The late J. C. M'Connel established the fact that ice possesses viscosity; that is, it will slowly yield and change its shape under long continued stresses. The Birth-Time of the World and Other Scientific Essays In other words, the viscosity of a gum solution should be taken as nearly as possible to the strength it is used at, to obtain an exact quantitative idea of its gumming value. Scientific American Supplement, No. 821, September 26, 1891 The viscosity of this milk alone renders it a little disagreeable. Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2 Then viscosity, the lines of swiftest motion, relegation, and directions of pressure came forth from the printed pages and mocked him. The Claim Jumpers Memory is to mind as viscosity is to protoplasm, it gives a tenacity to thought - a kind of pied à terre from which it can, and without which it could not, advance. The Note-Books of Samuel Butler In fact, it was rolling south and west like a wave of great viscosity. Over Prairie Trails If this hypothesis were correct, it would explain the apparent anomaly of Ghattis giving solutions of higher viscosity than gum arabics, although they leave insoluble matter behind. Scientific American Supplement, No. 821, September 26, 1891 They think that the slowing of the heart after such purging may be, due to an increased viscosity of the blood, or perhaps to a reflex irritation from the purgative on the intestinal canal. Disturbances of the Heart Oil, sweat, filth; or the sordes of the body: an excrementitious viscosity, the excrements of oil and other ointments used about the body, and mixed with the sordes of the body: all base and loathsome. Meditations If this be so, then one would simply require to solidify or change the viscosity of this liquid. The Riddle of the Rhine; chemical strategy in peace and war Now, let us suppose a body placed in the liquid, or acting on it, which confers upon it the property of viscosity; the hand would no longer move freely. Faraday as a Discoverer Hence it is evident that the increase in viscosity is due to the solution of the metarabin. Scientific American Supplement, No. 821, September 26, 1891 A convenient rule, therefore, in order to obtain complete solution of a Ghatti gum is to add half the weight in thin gum of the insoluble metarabin found from the viscosity determination. Scientific American Supplement, No. 821, September 26, 1891 Subjoined is a table giving the absolute viscosity of various gums. Scientific American Supplement, No. 821, September 26, 1891 The 300 c.c. bottle containing the gum was placed in a capacious beaker full of hot water, and the viscosity instrument was also surrounded with water at the same temperature. Scientific American Supplement, No. 821, September 26, 1891 Is then the magnetic field really viscous, and if so, what substance exists in it and the wire to produce the viscosity? Faraday as a Discoverer Further experiments showed that this is also true of the second mixture, as the viscosities of the following mixtures illustrate: Strength of Solution. η Z. C. 80 per cent. Scientific American Supplement, No. 821, September 26, 1891 The numbers calculated for gums all point to a diminution in viscosity up to a certain point, and then a gradual increase. Scientific American Supplement, No. 821, September 26, 1891 With these solutions of high viscosity some other work was done which may be of interest. Scientific American Supplement, No. 821, September 26, 1891 The absolute viscosity of water at 15� C. determined in four different instruments is shown below. Scientific American Supplement, No. 821, September 26, 1891 The fermentation of natural gum solutions is accompanied by a decrease in the viscosity of the liquid and the separation of a portion of the gum in lumps. Scientific American Supplement, No. 821, September 26, 1891 From these observations it would follow, that by taking a gum of less viscosity than the gum arabic previously used to dissolve the Ghatti, less of it would be required to do the same work. Scientific American Supplement, No. 821, September 26, 1891 The viscosity at the highest temperature obtained, about 90� C., was then taken and repeated for every fall of 4� C. till the water reached the temperature of the air. Scientific American Supplement, No. 821, September 26, 1891 Consequently there is a residue left undissolved, which of course diminishes its viscosity. Scientific American Supplement, No. 821, September 26, 1891 By diluting the new "maximum viscosity" solution, therefore, with the 10 per cent. solution of the gum arabic in fixed proportions we obtain a series of viscosities which are shown in the following curve. Scientific American Supplement, No. 821, September 26, 1891 Curves showing viscosity change with temperature for three typical gums. Scientific American Supplement, No. 821, September 26, 1891 Besides obtaining this curve for change in viscosity from maximum amount of metarabin to no metarabin at all, we also traced the decrease in viscosity of the "maximum" solution by dilution with water. Scientific American Supplement, No. 821, September 26, 1891 |
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