| 单词 | light intensity |
| 例句 | The device features knobs on its sides to manage the light intensity at the two inputs, and the delay between them. Bartering light for light: Scientists discover new system to control the chaotic behavior of light 2023-11-02T04:00:00Z The data recorded the species-specific accumulation of a plant pigment called "anthocyanin" as a response to seasonal and annual fluctuations in temperature, light intensity and precipitation. AI increases precision in plant observation 2023-09-22T04:00:00Z The iris contracts and dilates to compensate for the changes in light intensity. Fundamentals of Biology 2015-01-01T00:00:00Z Some organisms grow underwater where light intensity decreases with depth, and certain wavelengths are absorbed by the water. Concepts of Biology 2013-04-25T00:00:00Z Dark, opaque nets reduce light intensity but not light quality. Fruit producers turn to nets for better crops 2023-04-24T04:00:00Z "Your heart will be working hard, similar to what you would see with light intensity exercise," he says. What's the least exercise we can get away with? 2023-03-03T05:00:00Z The standard is six to seven weeks, but LED light intensity strength can add or take off a week or two if need be. Giving back: Chicago area farmer seeks to democratize the food system 2022-11-25T05:00:00Z During doubles play, participants spent only about half the time in moderate intensity exercise and half in light intensity. Pickleball is popular, but how much exercise are you really getting? 2022-11-09T05:00:00Z Your pupils dilate when visible light intensity is reduced. College Physics for AP Courses 2015-08-12T00:00:00Z Einstein also argued that the light intensity did not depend on the amplitude of the incoming wave, but instead corresponded to the number of photons striking the surface within a given time period. Chemistry 2019-02-14T00:00:00Z Stomata are surrounded by two specialized cells called guard cells, which open and close in response to environmental cues such as light intensity and quality, leaf water status, and carbon dioxide concentrations. Biology for AP Courses 2022-06-09T00:00:00Z The apparent brightnesses of stars are often expressed in terms of magnitudes, which is an old system based on how human vision interprets relative light intensity. Astronomy 2016-10-13T00:00:00Z It is a zoomable color camera and has a solar filter “that acts like sunglasses to reduce light intensity,” according to JPL. Check out NASA’s latest footage of a solar eclipse on Mars 2022-04-21T04:00:00Z Eventually, however, a light intensity pattern would spontaneously emerge with a starkly different periodicity set by the solitons parading through the cavity. Time Crystals Made of Light Could Soon Escape the Lab 2022-03-09T05:00:00Z Scientists also agree that changing light intensity is the primary environmental cue for migrators, says Heather Bracken-Grissom, a marine biologist at Florida International University. The Ups and Downs of a Great Vertical Migration 2021-12-06T05:00:00Z Design an experiment by describing a procedure that can be used to determine the relationship between light intensity and efficiency. Biology for AP Courses 2022-06-09T00:00:00Z “We are reproducing the full image on screen, so we can remove whatever we want to, but with augmented reality glasses removing objects is difficult because it adds light intensity,” says Kari. Why look at reality when you can edit what you see in real time? 2021-10-13T04:00:00Z "The mosquito responds to the tiniest of movements and to changes in light intensity," he told me. Wildlife photo: Is this the world's most beautiful mosquito? 2021-08-31T04:00:00Z “Protected areas are not able to buffer these light intensities as we thought,” Vaz says. Can scientists help insects survive their fatal attraction to light at night? 2021-05-04T04:00:00Z Although sublithic light intensity is a shadow of its usual self, thanks to these conditions, mosses there may be able to grow for a longer portion of the year than exposed mosses. The Moss That Lives Under a Rock 2020-10-02T04:00:00Z Some organisms grow underwater where light intensity and quality decrease and change with depth. Biology for AP Courses 2022-06-09T00:00:00Z However, using panels that feature a thin layer of either gold, silver, platinum or tungsten, the difference in light intensity drives electrons from lit areas towards the shade, creating electricity in the shaded areas. Singapore scientists seek power from darkness through shadow energy 2020-07-08T04:00:00Z Employees can also use the app to scan noise and light intensity levels in their bedrooms and chat online with a sleep coach. Employers are adding high-tech solutions to solve a low-tech problem: Getting more sleep 2020-02-14T05:00:00Z These compete with the desired waves, leading to unstable light intensity and poor laser efficiency. Quantum cascade laser lives on the edge 2020-02-11T05:00:00Z But whereas conventional detectors produce an electric current that increases linearly with light intensity, the new detectors respond exponentially. Camera Mimics Mantis Shrimp's Astounding Vision 2019-02-01T05:00:00Z Although temperature and light intensity influence plant growth, they are not reliable indicators of season because they may vary from one year to the next. Biology for AP Courses 2022-06-09T00:00:00Z The same research group is starting a longer, larger study, looking at different light intensities and how they affect children’s body clocks. To Help Children Sleep, Go Dark 2018-03-05T05:00:00Z There has been a failed experiment to change light intensity to alter the mood. 'Living laboratories': the Dutch cities amassing data on oblivious residents 2018-03-01T05:00:00Z Lasers use a process known as optical feedback to build up light intensity and stimulate electrons to emit photons. Quantum cascade laser lives on the edge 2020-02-11T05:00:00Z Chinese national growth figures are almost certainly smoothed—meaning they are a lagging indicator—but they still line up relatively well with independent metrics such as changes in nighttime light intensity tracked by satellite. Real News on Fake Data in China 2018-01-10T05:00:00Z The light intensity was adjusted from the festival lights to reduce the impact of light pollution. A Dutch artist collective installed a responsive ‘digital organism’ in a forest 2017-12-03T05:00:00Z Their sole job is to internalise information about environmental light intensity. Why the Clocks Changing Are Great for Your Brain 2017-10-29T04:00:00Z For example, refractive index becomes a function of light intensity — hence the phenomenon now called non-linear optics. Nicolaas Bloembergen (1920-2017) : Nature : Nature Research 2017-10-24T04:00:00Z “Trees” he said, “reduce heat and light intensity, protect water, rid the air of pollutants and instill a sense of peace by filling the landscape with the sights, smells and sounds of nature.” The trees that make Southern California shady and green are dying. Fast. 2017-04-19T04:00:00Z "Abrupt changes in light intensity, or luminance, can trigger seizures. The most sensitive range is about 15-25 flashes per second," he said. Man who 'sent flashing tweet to epileptic writer' arrested in Maryland - BBC News 2017-03-18T04:00:00Z Sensors can monitor temperature, humidity, and carbon dioxide and oxygen levels, as well as vibration, light intensity and mass air flow. The Internet of Things comes to the lab 2017-01-29T05:00:00Z The newer products are able to generate not only the light intensity but also the color spectrum the plants need to thrive, without wasting energy on unnecessary parts of the spectrum. Where Marijuana Plants Flourish Under Energy-Saving LED Lights 2016-11-25T05:00:00Z They study data on wave quality, crowdsourced from picky surfers, and satellite images of night-time light intensity, a handy proxy for economic activity. Surfing to success 2016-08-08T04:00:00Z “However, in conditions of high salinity and light intensity, the micro-algae turns red due to the production of protective carotenoids in the cells.” Why a Giant Green Lake Turned Blood-Red 2016-08-01T04:00:00Z On average, men sat an hour more daily than women, mostly because women engaged in more light intensity activity such as housework or running errands. Too Much Sitting Hurts Heart Patients' Health 2015-11-26T05:00:00Z In the quantum-mechanical version, the light intensity is proportional to the light frequency and the density of photons, and they, too, decrease the faster the light source moves away. Readers Respond to "The Amazing Teen Brain" 2015-10-10T04:00:00Z The AAA’s testing found that restoring a car’s headlamp lenses, using a simple kit available at auto parts and department stores, both doubles the maximum light intensity and reduces glare by up to 60 percent. Auto Headlamps Found To Be Dangerously Dim 2015-06-12T04:00:00Z Then, to estimate their wealth, they use data on night-time light intensity from satellites. The ins and outs 2015-05-14T04:00:00Z “The indoor facility must be at least 1000 square feet, having controls for light intensity, photo cycles, temperature, humidity, and carbon dioxide concentration,” it added. Uncle Sam Will Buy $69 Million Worth of Pot from Ole Miss 2015-03-23T04:00:00Z More precisely, the planet receives 1.4 times the light intensity that Earth gets. Three New Earth-Size Planets Found "Nearby" 2015-01-18T05:00:00Z Suburban areas probably displayed greater increases in light intensity due to larger yards and more single-family homes, the researchers explain. U.S. Christmas lights seen from space 2014-12-18T05:00:00Z The effect is even more pronounced in the suburbs, where light intensity increases anywhere from 30 to 50 percent. The splendor of our holiday lights reaches all the way to space 2014-12-17T05:00:00Z One demonstration piece put the user in a cinema to watch 3D previews, and while the seating area responded impressively to the different light intensities on screen, the seats were still empty. New Oculus virtual reality headsets: a watershed moment for gaming freaks 2014-09-21T04:00:00Z As haemoglobin strongly absorbs green light, the captured light intensity decreases as the total haemoglobin concentration increases during changes in cerebral blood volume and flow. Capillary pericytes regulate cerebral blood flow in health and disease 2014-04-04T18:24:22.627Z Manufacturers hope they can lure more customers with systems that allow them to customize light intensity, color and composition. LED makers get smart to rise above price war and growth cliff 2014-04-03T13:13:59Z The growth in light intensity, like holiday excitement itself, begins the day after Thanksgiving and lasts until New Year’s Day and beyond. U.S. Christmas lights seen from space 2014-12-18T05:00:00Z How did this correlate with a change in light intensity? Seasonal Science: The Reasons for the Seasons 2014-02-20T15:00:00Z Gaia will measure the spectra and light intensity of stars and determine their velocity using distances and motions. One Billion Stars, 30,000 Light Years, And Petabytes Of Data 2014-02-20T14:16:00Z In other words, if you double the light intensity, it should *more* than double the electricity generation. Why Are Solar Panels So Inefficient? 2013-11-04T17:47:00Z A linear dependence of drain current on light intensity was observed when the transistor was exposed to light, so possible applications include image sensing with high density and performance. [Report] A Semi-Floating Gate Transistor for Low-Voltage Ultrafast Memory and Sensing Operation 2013-08-09T19:26:44.193Z There is also a temporal version of this effect in which you manipulate light over time to generate regular periods with zero light intensity, says Lukens. Temporal Cloak Erases Data from History 2013-06-05T21:15:03.170Z Leonsis compromised on key issues, such as turning the signs off at midnight, reducing the light intensity and agreeing not to allow tobacco advertising or political ads. Verizon Center facade to get new digital, billboard-size signs after city’s approval 2013-03-06T22:28:00Z In a previous study, the same team of researchers found that even light intensity activity, like walking, every day, was linked to lower levels of fat in teens, but not young children. No exercise, more than lying around, tied to fat in kids 2013-01-16T00:53:03Z In an earlier study, the same team of researchers found that even light intensity activity, like walking, every day, was linked to lower levels of fat in teens, but not young children. No exercise, more than couch, tied to fat in kids 2013-01-15T17:38:56Z Ideally, the photosynthetic characteristics of algae would be optimized for different photoperiods and light intensities. Exploiting diversity and synthetic biology for the production of algal biofuels 2012-08-15T17:22:27.080Z Also unclear are the exact light intensities that will trigger sleep disruption and whether adolescents respond to light exposure in the same way that adults do. Can't sleep? It could be the light of the iPad in your bed 2012-07-15T01:46:07Z The sensor collects data such as soil moisture, light intensity and ambient temperature, which is sent to the app, available for iOS devices and through the web. Green thumb app tells users when plants need watering 2012-05-28T09:12:46Z With the sensor, you will get even more precise care instructions and specific alerts measuring soil moisture, light intensity and temperature. Apps Pitch: Koubachi 2012-05-24T10:00:00Z The sensor gathers data such as soil moisture, temperature and light intensity from plants. Plants 'talk' to owners via app 2012-05-22T15:26:22Z Changes in light intensity transmitted through each sensor provide information about the concentrations of glucose in the sample. Medical: Blood, urine testing faces new competition in testing 2012-01-30T16:20:04Z Porter, A. M. Effect of light intensity on the photosynthetic efficiency of tomato plants. The Tomato 2011-11-20T03:00:13.470Z Likewise, at dusk, the gradual decrease in light intensity perceived by these RGCs signals to the SCN that night is about to start. Seasonal Affective Disorder - The Basics 2011-09-26T20:15:02.993Z Then the researchers searched for other cases of binary stars where there were additional periodic dips in light intensity, indicating another object might be present. Star Wars Gets Real as Planet With Two Suns Found By Astronomers 2011-09-16T00:42:01Z While 25 employees at Gotham Greens propagate, hand-pick and hand-pack the produce at its 15,000-square-foot space, a rooftop weather station monitors wind, rain, temperature, humidity, carbon dioxide and light intensity. Want Fresher Produce? Leave Dirt Behind 2011-08-02T22:57:55Z For this study, they measured lamp position and light intensity. With assistance from streetlights, the early bird catches the female's favor 2010-12-13T23:22:04Z Every once in a while, the light intensity from a distant star dips, as an orbiting planet crosses between the star and our telescopes, causing a tiny eclipse. Stephen Hawking may be right about marauding space aliens 2010-09-27T22:34:00Z It records light intensity, using the timing of sunrise, sunset and length of twilight to determine latitude and longitude. 2010-01-11T23:43:00Z Later, as they became fat, they avoided high light intensity and were active only at night or under artificial light of low intensity. Natural History of the Salamander, Aneides hardii The ability of the automatic chemist to control chemical operations is due to its sensitivity to slight variations in color and light intensity. Astounding Stories, March, 1931 But I find a number of regularly recurring changes in light intensity and character ... and that proves the presence of a number of planetary bodies circling the star. Empire It follows from the definition of the scale-ratio that two stars for which the light intensities are in the ratio 100:1 differ by exactly 5 magnitudes. Lectures on Stellar Statistics The setting is made with great precision, due to the rapid change in light intensity with change in temperature and to the sensitiveness of the eye to differences of light intensity. The Working of Steel Annealing, Heat Treating and Hardening of Carbon and Alloy Steel In another set of records, with a different cell, I obtained the deflections of 6, 10, 13, 15, corresponding to light intensities of 3, 5, 7, and 9. Response in the Living and Non-Living There can be little doubt that the practical judgments of life are likewise affected by the distribution of light intensities, and possibly also of significant objects, above and below the horizon belt. Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. A value is the degree of dark or light intensity, which permits our eyes to comprehend that one object is further or nearer than another. The French Impressionists (1860-1900) His face seemed as usual, only his eyes held a quivering, light intensity, like boiling molten silver. The Man of the Forest Names were given and observations were made, of position mainly, but also of light intensity. The Civilization of Illiteracy He had a dust-colored, sun-burned face, long, lean, and hard, a huge sandy mustache that hid his mouth, and eyes of piercing light intensity. To the Last Man |
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