| 单词 | unit of time |
| 例句 | Moreover, all this applies only to units of time. A Short History of Nearly Everything 2003-05-06T00:00:00Z As The New York Times reported this year, physicists and metrologists at the International Bureau of Weights and Measures have been redefining the measurement of the unit of time known as the second. Punctuality Is Having a Moment 2022-06-06T04:00:00Z Dividing stories into units of time, into hours and days, is a familiar structuring device, sometimes used for suspense or to create a countdown. Review: In Jim Jarmusch’s ‘Paterson,’ a Meditative Flow of Words Into Poetry 2016-12-27T05:00:00Z The day was a favorite unit of time for the modernist novel. A New Translation of an Anti-Heroic German Doorstopper of 1968 2018-11-26T05:00:00Z Flat-Earth Day: The unit of time it takes the world to flip over twice. Style Invitational Week 1242: That was then . . . — give us a then/now joke 2017-08-24T04:00:00Z The minute is a strangely flexible unit of time. Tierra Whack Stretches the Limits of One-Minute Songs 2018-07-01T04:00:00Z Dirt and dust and discarded cigarettes mark units of time spent on the road. Surveying the Lives of Americans, Through the Windows of Their Parked Cars 2016-07-27T04:00:00Z There is no astronomical or other natural reason for such a unit of time. At the Palais de Tokyo, Camille Henrot Finds Wonder in the Everyday 2017-10-17T04:00:00Z Neuroscientists have long known that the human brain is capable of measuring units of time under ten seconds more or less accurately due to a group of time-keeping cells in the hippocampus. A brain injury removed my ability to perceive time. Here's what it's like in a world without time 2023-11-05T04:00:00Z And for measuring discrete units of time, they used water clocks. Who Invented the Measurement of Time? 2023-04-25T04:00:00Z The greater the number of radioactive nuclei present in the sample, the more will decay per unit of time. College Physics for AP Courses 2015-08-12T00:00:00Z The escape of more molecules per unit of time and the greater average speed of the molecules that escape both contribute to the higher vapor pressure. Chemistry 2019-02-14T00:00:00Z Frequency is the number of waves per unit of time, and in sound is heard as pitch. Biology for AP Courses 2022-06-09T00:00:00Z They even dedicated a unit of time, the week, to the seven objects that move on their own; that’s why there are 7 days in a week. Astronomy 2016-10-13T00:00:00Z Suppose that the time that elapses between two successive events follows the exponential distribution with a mean of μ units of time. Introductory Statistics 2013-09-19T00:00:00Z Its units are usually seconds, but may be any convenient unit of time. College Physics for AP Courses 2015-08-12T00:00:00Z That means that if the object traveled at that exact velocity for a unit of time, it would travel the specified distance. Precalculus 2021-12-01T00:00:00Z Since the time it takes for Earth to orbit the Sun is 1 year, we use Earth years for units of time. Calculus, Volume 3 2016-03-30T00:00:00Z After the invention of mechanical clocks that run at a uniform rate, it became necessary to abandon the apparent solar day as the fundamental unit of time. Astronomy 2016-10-13T00:00:00Z The units of time can be hours, days, weeks, months, or even years. Calculus, Vol 2 2016-03-30T00:00:00Z The fundamental unit of time, the second, is based on such clocks. College Physics for AP Courses 2015-08-12T00:00:00Z The angular speed of an object traveling in a circular path is the measure of the angle through which it turns in a unit of time. Algebra and Trigonometry 2015-02-13T00:00:00Z Blood flow refers to the movement of blood through a vessel, tissue, or organ, and is usually expressed in terms of volume of blood per unit of time. Anatomy and Physiology 2013-06-19T00:00:00Z But there is “no fixed unit of time” that defines transitory, he said. Inflation in Britain climbs to a 10-year high. 2021-11-17T05:00:00Z He added that there was “no fixed unit of time” that defines transitory, but said it was determined by people’s reactions to higher prices. The Bank of England edges closer to raising interest rates, but holds steady. 2021-11-04T04:00:00Z Optical interferometers with longer and longer baselines will be observing smaller and fainter objects, meaning fewer photons per unit of time. Quantum Astronomy Could Create Telescopes Hundreds of Kilometers Wide 2021-04-19T04:00:00Z The linear speed of an object traveling along a circular path is the distance it travels in a unit of time. Algebra and Trigonometry 2015-02-13T00:00:00Z “We would expect a reference to increased pace but not a firm commitment to buy certain amounts per unit of time.” ECB likely to signal faster money printing to combat yield rise 2021-03-10T05:00:00Z Please consider the newly discovered “zeptosecond,” the shortest unit of time ever measured. ‘Normal’ America won’t return if Biden wins 2020-10-27T04:00:00Z While verifying that such a fundamental unit of time exists is beyond our current technological capabilities, it is more accessible than previous proposals, such as the Planck time, the researchers said in their paper. The Universe’s Clock Might Have Bigger Ticks Than We Imagine 2020-07-14T04:00:00Z They worked with estimated viral “reproduction rates” between three and five; that is, every infected person was expected to infect between three and five other people per unit of time. Counterfactual Experiments Are Crucial, but Easy to Misunderstand 2020-07-10T04:00:00Z Fighting infection increases a person’s basal metabolic rate — the amount of energy needed at rest per unit of time — and that raises his or her temperature. What Does Our Body Temperature Say About Our Health? 2020-03-24T04:00:00Z The unit of time recognized by astronomers is an advanced refinement of what was originally another Earth-centric unit, the length of the day. How to Measure Time — From the Very Beginning of Time 2019-06-17T04:00:00Z His name is now an unofficial unit of time: Eleven days is one “Mooch.” Anthony Scaramucci was fired from the Trump White House after 11 days. Now, he’s convening A-listers for bipartisan healing. 2019-05-10T04:00:00Z An earlier version of this article misstated the constant used to define the basic unit of time. A massive change: Nations will vote to redefine the kilogram 2018-11-15T05:00:00Z Similarly, the basic unit of time is the second. The future of the kilo: a weighty matter 2018-11-03T04:00:00Z Still more impressive, in retrospect, will be the imposing professional infrastructure – offices, licences, the monetisable unit of time – for legitimising the listening caste. Analyse this: what Freud can teach us about Trumpism 2018-10-12T04:00:00Z In fashion- and Instagram-speak, a moment is a certain look, rather than a unit of time. A Penthouse Made for Instagram 2018-09-30T04:00:00Z As a unit of time, the concept of forever is inherently unsettling to humans; an idea of which we have a broad working definition, but which none of us can actually experience. How Maya Rudolph Became the Master of Impressions 2018-09-14T04:00:00Z The hummingbird heart rate is high and it’s pumping so much blood per unit of time. The Amazing Metabolism of Hummingbirds 2018-03-20T04:00:00Z Time The base unit of time is the second, which was once defined as 1⁄86,400 of an average day. The future of the kilo: a weighty matter 2018-11-03T04:00:00Z A flick is not the first unit of time designed by a major corporation. Facebook invents new unit of time 2018-01-23T05:00:00Z Facebook launched a new product today: Flicks, a new unit of time. Facebook announces that it has invented a new unit of time 2018-01-22T05:00:00Z It is a non-place, measured in units of time, not distance. null 2017-09-21T04:00:00Z In 2012, the organization did a similar survey and found only 10 dead turtles in the same unit of time. Four Creepy, Cool Ways Roadkill Helps Science Resting metabolic rate is the minimal rate of energy expenditure per unit of time while we are at rest, calculated through a standard set of equations. Air-conditioning: Why might women feel temperature differently to men? - BBC News 2015-08-04T04:00:00Z With no means of measuring time, however, he fell back on an intensely familiar, regular, unvaried unit of time, the recitation of Psalm 51, the miserere: ‘Have mercy upon me, Oh God.’ How We Measured Time Before Clocks 2015-07-22T04:00:00Z A unit of time, like seconds or minutes or hours. Facebook announces that it has invented a new unit of time 2018-01-22T05:00:00Z The concept of ‘rest’ must be expressed in units of time, i.e. in days, hours and/or fractions thereof. Greece crisis: what are the effects of sleep deprivation on decision-making? 2015-07-13T04:00:00Z In 1972 a policy to add a small unit of time, called a leap second, to UTC was implemented to correct the minute discrepancies found using such precise measurements. As Earth's Spin Slows, Clocks Get Another Leap Second 2015-06-30T04:00:00Z Timekeepers are divided over whether to keep the additional unit of time - and the issue is set to be debated at a meeting later this year. 'Leap second' added for first time in three years - BBC News 2015-06-29T04:00:00Z This additional unit of time, dubbed a “leap second,” is meant to account for a naturally-occurring slowing of the Earth’s rotation. Why the Upcoming 'Leap Second' Could Be a Big Headache for the Internet 2015-01-14T05:00:00Z We've launched Flicks, a unit of time, slightly larger than a nanosecond that exactly subdivides media frame rates and sampling frequencies. Facebook announces that it has invented a new unit of time 2018-01-22T05:00:00Z The length of the workout seems arbitrary, but it turns out that seven minutes, as a unit of time, has elemental and panacean properties. Lucky Number Seven 2014-12-29T05:00:00Z The National Basketball Association uses 10ths of a second as a unit of time, as if the propulsion of a potential game-winning shot merits more accuracy than a rocket launch. The Brilliance of Ronaldo and the Heart-Stopping Thrill of Stoppage Time And that’s probably because we celebrate this unit of time — the year — not on the first day of the new year but on the last day of the current year. Crowdsource Your New Year's Resolutions (And They Might Even Come True!) 2013-12-21T22:19:00Z Q. Did you get any estimates of volume escaping per unit of time? Dot Earth Blog: Mapping Gas Leaks from Boston's Aging Urban Pipes 2012-11-20T15:56:33Z The idea to create a new unit of time to solve this problem dates back to last year, when developer Christopher Horvath posted about it on Facebook. Facebook announces that it has invented a new unit of time 2018-01-22T05:00:00Z End up with the extra mental effort, in units of time, that the more complicated task requires. The birth of experimental psychology: How do we measure beginnings? 2012-07-31T14:45:00.217Z First, team members have to agree on a specific unit of time each week that everyone can turn off. How To Stop Sleeping With Your Smartphone 2012-05-17T13:00:25Z Taking a foot as the unit of length, and a year as the unit of time, we find the diffusivity of the surface strata to be 400. Lord Kelvin An account of his scientific life and work 2012-04-06T02:00:32.097Z Thus, when working with currents discharging disruptively, the element chiefly to be considered is not the frequency, as a student might be apt to believe, but the rate of change per unit of time. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z The solar day is the fundamental unit of time, not only in daily life but in astronomical practice. Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" 2012-02-17T03:00:33.923Z Activities like walking 30 minutes a day would be the last on the hierarchy because they yield the least results per unit of time invested. Keeping the momentum going with high-yield workouts 2012-01-19T18:17:05Z A new definition of the second, based on the resonant frequency of the cesium atom, was adopted as the new standard unit of time in 1967. A Chronicle of Timekeeping 2011-12-31T05:15:09.740Z In other words, the greater the number of lines cut per unit of time, the higher will be the voltage. Hawkins Electrical Guide, Number One Questions, Answers, & Illustrations, A Progressive Course of Study for Engineers, Electricians, Students and Those Desiring to acquire a Working Knowledge of Electricity and its Applications 2011-12-24T03:07:54.823Z This latter plan is preferable when a current having a high number of alternations per unit of time is employed to drive the motor. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z It states merely that birds were moving through the effective field of observation at the rate of so many per mile per unit of time. A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 2011-11-02T02:00:14.587Z The volume output per unit of time is greatly increased, the arch of the aorta is dilated, and the pulse is large. Arteriosclerosis and Hypertension: with Chapters on Blood Pressure, 3rd Edition. 2011-10-11T02:01:07.890Z Man requires a smaller unit of time than the day. Great Inventions and Discoveries 2011-10-01T02:00:30.900Z The gas from the second regulator passed through an orifice in a plate at a pressure indicated by a suitable gauge which was calibrated in terms of weight of chlorine per unit of time. Chlorination of Water 2011-09-13T02:00:32.243Z For example, if the poles are turned two thousand times per unit of time and the armature is turned eight hundred, the motor will turn twelve hundred times, or nearly so. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z Telescopic counts of birds passing before the moon may be used to determine reliable statistical expressions of the volume of migration in terms of direction and of definite units of time and space. A Quantitative Study of the Nocturnal Migration of Birds. Vol.3 No.2 2011-11-02T02:00:14.587Z Evidently the excess of oxygen coming into contact with each particle of carbon in a given unit of time produces other conditions of chemical equilibrium than those existing at lower pressures. Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 "Frost" to "Fyzabad" 2011-08-15T02:00:28.473Z The period required for emptying the vessel marked a unit of time. Great Inventions and Discoveries 2011-10-01T02:00:30.900Z This manometer, or chlorine meter, contains carbon tetrachloride and is graduated empirically in terms of weight of chlorine per unit of time. Chlorination of Water 2011-09-13T02:00:32.243Z The construction also permits of more rapid magnetic changes per unit of time, meaning larger output. The inventions, researches and writings of Nikola Tesla With special reference to his work in polyphase currents and high potential lighting 2012-03-28T02:00:22.660Z This so-called exponential discounting -- reducing the value of something by a fixed percentage for each unit of time -- is standard practice in economics. Einstein on Wall Street, a Time-Money Continuum: Mark Buchanan 2011-07-28T00:22:05Z It may help to think of life in units—units of time, units of energy and so on. Bucks: Why Most Investors Don't Measure Returns Correctly 2011-07-11T15:43:33Z His unit of time is the minute, not the month. The Letters of Ambrose Bierce With a Memoir by George Sterling 2011-05-26T02:00:19.673Z Suppose the unit of length is the foot and the unit of time the second, so that g = 32, and let l = 3. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z An electric current may also be regarded as the result of a movement of electricity across each section of the circuit, and is then measured by the quantity conveyed per unit of time. Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 2 "Ehud" to "Electroscope" 2011-01-29T03:00:23.777Z It would be nice if such units of time were decimal multiples of one another. 2010-01-15T08:50:00Z And how very small is the amount of that energy in a unit of time as now operative, when compared with the same at very remote epochs in our planet's history. The Eruption of Vesuvius in 1872 The developments thus far have been varied because the things accomplished in one and the same unit of time were varied. Essays on the Materialistic Conception of History A velocity, for example, is specified by the number of units of length traversed in the unit of time, so that we may write v = l � t, or v = lt-1. The New Gresham Encyclopedia Volume 4, Part 1: Deposition to Eberswalde 2011-04-14T02:00:57.977Z In many enterprises labor norms—that is, the minimum amount of work a worker in any given job is required to perform per unit of time—are officially said to be inordinately low. Area Handbook for Albania Ultimately, the only unit of time that really matters is the second. 2010-01-15T08:50:00Z In the first unit of time, the impacts are 2, 6, h, 2; and in the second 6, 2, h, 6. Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" The two men stared at each other, unmoving, for the unmeasurable unit of time that the ship fell. The Ethical Engineer Namely, if the man in the carriage covers the distance w in a unit of time--measured from the train,--then this distance--as measured from the embankment � is not necessarily also equal to w. Relativity: The Special and General Theory A dozen units of time and mechanism have to mesh perfectly. The Big Tomorrow He referred, I must explain, to a period of seven Earth days, a common unit of time on Earth. The Death-Traps of FX-31 As to the fall of the body towards the centre every microscopic unit of time, it is easily reckoned. Pioneers of Science It has not been revealed whether the duration of these "days" can be expressed in any astronomical units of time. The Astronomy of the Bible An Elementary Commentary on the Astronomical References of Holy Scripture The complexity of modern machinery and the superhuman celerity of which it is capable suggest continually an increased compression of human labour, an increased output of effort per unit of time. The Evolution of Modern Capitalism A Study of Machine Production Time also according to them is composed of moments or atomic units of time. A History of Mediaeval Jewish Philosophy This is the most natural and the most accurate measure of time for the navigator at sea and the unit of time adopted by the mariner is the apparent solar day. Lectures in Navigation And so geologists have devised an easier method of count, measured not by units of time, but by what each phase of progress has accomplished. The Book of the National Parks Is the interval which elapses between two successive meridian transits of the sun, and is the unit of time in common use. The Sailor's Word-Book An Alphabetical Digest of Nautical Terms, including Some More Especially Military and Scientific, but Useful to Seamen; as well as Archaisms of Early Voyagers, etc. Intenser labour undergone for a shorter time may obtain a higher money wage per unit of time, but the price per unit of effort may be lower. The Evolution of Modern Capitalism A Study of Machine Production In both cases the groups represent units of time—one beat of a measure—according to the rule. Lippincott's Magazine, Vol. 22, August, 1878 But each of those units of time in passing brought them nearer to greater danger. Plague Ship The young leaf exposed to solar radiation is small at first, and the quantity of radiant energy it receives in unit of time cannot exceed that which falls upon its surface. The Birth-Time of the World and Other Scientific Essays It is necessary to have a unit of heat just as we have a unit of length, or a unit of mass, or a unit of time. General Science The simplest unit of time, the day, nature supplies ready made. Essays on Education and Kindred Subjects Everyman's Library The first grand law of Galin's system is that every isolated symbol represents a unit of time or beat, whatever the measure. Lippincott's Magazine, Vol. 22, August, 1878 The unit of time universally adopted, the second, undergoes only very slow secular variations, and can be determined with a precision and an ease which compel its employment. Scientific American Supplement, No. 613, October 1, 1887 Along a horizontal axis units of time are measured; along a vertical axis units of energy. The Birth-Time of the World and Other Scientific Essays The unit of time thus defined would be independent of the unit of length, and would depend only on the substance which would give us the unit of mass under the unit of volume. The New Physics and Its Evolution His life was an affair of calculated units of time; his habits of diet and exercise all regulated for the end of service. The Last Shot The weight of the liquid which distills in the unit of time increases with the deviation of temperature between the two receivers. i. Scientific American Supplement, No. 299, September 24, 1881 Now, the study of certain electrical phenomena furnishes a unit of time which is absolutely invariable, as this magnitude is a specific constant. Scientific American Supplement, No. 613, October 1, 1887 It is evident that the final condition of the pump is reached when as much air leaks in per unit of time as can be removed in the same interval. Scientific American Supplement, No. 303, October 22, 1881 The ratio of the quantity, i²R, to the power, W, actually expended per unit of time is called the efficiency of the generator. Scientific American Supplement, No. 275, April 9, 1881 Various theories about the effects of climate, sunlight per square inch and unit of time, oxygen content of the air, and so on, were offered up upon the altar of scientific explanation. The Glands Regulating Personality The weight of the liquid which distills in the unit of time is constant for a same deviation of temperature between the receivers, whatever be, moreover, the absolute temperature of the receivers. k. Scientific American Supplement, No. 299, September 24, 1881 We might, therefore, take ρ as a unit of time, unless we prefer to consider this value as an imperishable standard of time. Scientific American Supplement, No. 613, October 1, 1887 Namely, if the man in the carriage covers the distance w in a unit of time — measured from the train, — then this distance — as measured from the embankment — is not necessarily also equal to w. Relativity : the Special and General Theory In short, the desiccation of North-West Asia goes on at a rate which must be measured by centuries, instead of by the geological units of time of which we formerly used to speak. Mutual Aid; a factor of evolution It may be calculated by measuring the amount of carbon dioxide gas exhaled during a unit of time, and the number of calories of heat radiated by the skin simultaneously. The Glands Regulating Personality The last because he is the best; because once, for a long-drawn unit of time, James Moore had thought him to be the worst. Bob, Son of Battle The fixed unit of time is the day which is established by the revolution of the Primum Mobile. Divine Comedy, Norton's Translation, Paradise Plummer, also connected with the Mayo Foundation, has shown that what would amount to less than a grain of the thyroxin would more than double the amount of energy produced in a unit of time. The Glands Regulating Personality His moods were as uncertain as the winds in March; and there was no dependence on his humor for a unit of time. Bob, Son of Battle |
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