| 单词 | Brownian motion |
| 例句 | Clumps and clusters of birds in flight were questing back and forth, black dots against the blue sky, moving in some kind of desperate Brownian motion. American Gods 2011-06-21T00:00:00Z At times, Ms. Gill’s dancers attempt the frictionless flow of Brownian motion; they fall short, and it’s not clear whether this failure is Ms. Gill’s intention. Dance Review: In ‘New Work for the Desert,’ Control and Freedom Spar 2014-03-21T21:58:48Z Another film in the barn shows Californian starlings gathering for their annual migration to south America: they swirl in a bizarre Brownian motion as they prepare to set off. Beam me up, Site festival: Conquistador heads for the rafters 2012-05-21T15:20:06Z It is like a microcosm in reverse: Brownian motion enacted by full-size people. Tino Sehgal: These Associations – review 2012-07-28T23:05:31Z The boozy, Brownian motion of the party carried me past 30-somethings in superhero leotards and feather boas, cat ears and vampire capes. Queer wedding planning at the end of the world 2022-02-13T05:00:00Z Though debate continued for decades, the correct answer came from botanist Robert Brown, for whom Brownian motion was named. Algae blooms that cause pink snow could accelerate melting as Earth warms 2023-07-21T04:00:00Z The motion is caused by the random thermal motions of fluid molecules colliding with particles in the fluid, and it is now called Brownian motion. College Physics for AP Courses 2015-08-12T00:00:00Z The ‘miracle year’ of 1905, when he published papers on Brownian motion and the photoelectric effect as well as on special relativity, made Einstein a star of physics. Einstein, Eddington and the 1919 eclipse 2019-04-14T04:00:00Z He calculated exactly how a microscopic, but visible, particle should behave if it was bumping into unseen atoms—a phenomenon called Brownian motion. What It Means When Scientists Disagree 2018-10-05T04:00:00Z His Brownian motion paper is widely recognized as the first incontrovertible proof that atoms and molecules really exist—and it still serves as the basis for some stock market forecasts. 4 Everyday Items Einstein Helped Create In 1905, Einstein demonstrated that the quantum explained the photoelectric effect and the strange phenomenon known as Brownian motion. ‘The Quantum Moment’ Recounts the End of Determinism 2015-02-16T05:00:00Z Figure 30.2 The position of a pollen grain in water, measured every few seconds under a microscope, exhibits Brownian motion. College Physics for AP Courses 2015-08-12T00:00:00Z Gradually, however, evidence for atoms accumulated and reached a tipping point with Albert Einstein's 1905 analysis of Brownian motion, the random jittering of dust grains in a fluid. What Came before the Big Bang? 2014-08-20T04:00:00Z In reality, the Scottish botanist Robert Brown — he of Brownian motion fame — suggested in an appendix to Ross’s mission report that same year the color could be due to an alga — a photosynthetic microbe. Wonderful Things: Don't Eat the Pink Snow 2013-07-09T16:45:00.647Z And if his unpredictability, what Mr Sonenshein calls his “Brownian motion”, once made it hard for him to form alliances, it now grants him a useful flexibility. Californian politics: Brownian motion 2012-11-15T16:05:22Z A microscope with a camera attached is fixed on the particles as Brownian motion pushes them back and forth, and computer software tracks the motions of up to eight of the particles. Tiny particle dance set to music 2012-09-20T01:26:02Z Brownian motion is due to fluctuations in the number of atoms and molecules colliding with a small mass, causing it to move about in complex paths. College Physics for AP Courses 2015-08-12T00:00:00Z If mussels switch between different modes, and in each mode display Brownian motion, this suggests the use of a composite Brownian walk, which describes the movement as a sum of weighted exponential distributions. [Technical Comment] Comment on ?L?vy Walks Evolve Through Interaction Between Movement and Environmental Complexity? 2012-02-23T19:25:18.390Z Large fluctuations in the stock market are far more common than Brownian motion predicts. The mathematical equation that caused the banks to crash 2012-02-12T00:05:19Z “There always are, always were and always will be forces which are not geared toward development, but instead Brownian motion,” he said, using a term from physics that describes the random movement of microscopic particles. Putin Takes Another Swipe at Russian Protesters 2011-12-27T15:28:25Z The jostling molecules of liquid bump the particles to and fro in an effect called Brownian motion. Tiny particle dance set to music 2012-09-20T01:26:02Z By examining Brownian motion, the size of molecules can be calculated. College Physics for AP Courses 2015-08-12T00:00:00Z Fans followed with smaller versions of the instrument, moving about haphazardly rather than in formation, an activity meant to celebrate the concept of Brownian motion, the random movement of particles. At the University of Chicago, Football and Higher Education Mix 2011-09-17T00:30:39Z The most important statistical features of Brownian motion are its mean and its standard deviation. The mathematical equation that caused the banks to crash 2012-02-12T00:05:19Z All chemical reactions are in principle reversible: the same Brownian motion that accomplishes the forward reaction sometimes brings product molecules together and pushes them backward through the transition. The Fundamental Physical Limits of Computation 2011-06-01T17:45:02.143Z Similarly, it appears that the limits to our threshold of hearing may actually be Brownian motion. Are We All Inattentive Superheroes? 2011-05-22T00:31:20Z It was Albert Einstein who, starting in his epochal year of 1905, published several papers that explained precisely how Brownian motion could be used to measure the size of atoms and molecules. College Physics for AP Courses 2015-08-12T00:00:00Z The May 20, 2010, online edition of Science magazine contained pieces on Brownian motion and gravitational waves, small RNAs and drug delivery--items of interest to narrow slices of the research community. [Business Office Feature] Business Office Feature: LIFE SCIENCE TECHNOLOGIES: Synthetic Genomics - Building a Better Bacterium 2011-03-24T18:57:12.930Z The random and omnipresent movement of particles in a fluid, known as Brownian motion, presents on its face a tantalizing avenue to perpetual motion. Crowd Forcing: Random Movement of Bacteria Drives Gears 2011-01-10T07:45:11.230Z They circle around me on my Google desktop app like dust motes in Brownian motion, never bumping, never landing, impossible to fix or focus on. On Twitter, Foodies Need to Spice It Up 2010-08-24T08:30:00Z For many Americans, soccer just seems boring, an exercise in meaningless Brownian motion, as an acquaintance of mind recently observed. Goal! The thrill of World Cup victory 2010-06-23T18:15:00Z Most scientists were already convinced of the existence of atoms, but the accurate observation and analysis of Brownian motion was conclusive—it was the first truly direct evidence. College Physics for AP Courses 2015-08-12T00:00:00Z They have, however, a vibrating movement known as the Brownian motion that is purely physical. Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying You see the minute butter-globules animated by that curious quivering motion called the Brownian motion. Fragments of science, V. 1-2 The group hops to it, extruding volunteers through a nonobvious Brownian motion, and before long all of Tony's gear is spread out on the lawn. Shadow of the Mothaship This Brownian motion is possessed by almost every minute particle of matter, organic and inorganic, and is not due to any inherent power of the individual. Scientific American Supplement, No. 787, January 31, 1891 Filippi, however, showed that the motion of the corpuscles was the well-known Brownian motion; but he committed the error of supposing the corpuscles to be normal to the life of the insect. Fragments of science, V. 1-2 |
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