| 单词 | joule |
| 例句 | In a pure-oxygen environment, 16.7 million joules will be released for every kilogram of sugar used, releasing the explosive force of eight sticks of dynamite. The Martian 2011-01-01T00:00:00Z They had already covered their lightweight chaulnots with their heavy woolen ones against the coming evening chill—proof that not one joule of energy had been converted to heat by means of respectable labor. Strange the Dreamer 2017-03-28T00:00:00Z The sky shook with endless thunder and erupted with lightning, the clouds bursting with a billion joules of energy. City of the Plague God 2021-01-12T00:00:00Z They had discovered the X ray, the cathode ray, the electron, and radioactivity, invented the ohm, the watt, the Kelvin, the joule, the amp, and the little erg. A Short History of Nearly Everything 2003-05-06T00:00:00Z “Blade Runner” was sucking up every minute of his time, every joule of his energy, and he was worried that in his exhaustion, he wasn’t making sense during our conversation. Denis Villeneuve of ‘Arrival’ Leans In to Strong Heroines 2016-11-10T05:00:00Z Firstly, you've probably heard of the units of measurement for energy — calories — as well as the metric equivalent, which is joules. Calories and kilojoules: how do we know the energy content of food and how accurate are the labels? 2023-08-24T04:00:00Z A typical lightning flash carries over half a billion joules, the output of a medium-sized power station run for a second. What goes on when lightning strikes? 2013-05-25T23:07:12Z To run a 100-watt bulb for a second takes 100 joules of energy. What goes on when lightning strikes? 2013-05-25T23:07:12Z And every single joule of energy around today was present then, because of the first law of thermodynamics, obviously. The Wonders of Life 2013-01-28T06:59:01Z However, in an interesting twist, scientists also found that cooking with a smaller flame produced more benzene per joule of gas consumed. Cooking with a gas stove may be as bad as breathing secondhand cigarette smoke, study finds 2023-06-21T04:00:00Z This triggered a fusion reaction that released 3 million joules. Why fusion ignition is being hailed as a major breakthrough in fusion – a nuclear physicist explains 2023-01-02T05:00:00Z Their economical feasibility is still limited, however, since W is usually supplied by electrical energy that costs more per joule than heat transfer by burning fuels like natural gas. College Physics for AP Courses 2015-08-12T00:00:00Z Therefore, the exact relationship of BTU to joules and other energy units depends on the temperature at which BTU is measured. Chemistry 2019-02-14T00:00:00Z How much energy in joules does one such reaction produce? Astronomy 2016-10-13T00:00:00Z This same unit is also called the joule. Calculus, Volume 1 2016-03-30T00:00:00Z While the laser energy of 2 million joules was less than the fusion yield of 3 million joules, it took the facility nearly 300 million joules to produce the lasers used in this experiment. Why fusion ignition is being hailed as a major breakthrough in fusion – a nuclear physicist explains 2023-01-02T05:00:00Z Often realistic in detail, the person applying the shock directs another person to “make it 400 joules this time.” College Physics for AP Courses 2015-08-12T00:00:00Z One joule is equivalent to 1 kg m2/s2, which is also called 1 newton–meter. Chemistry 2019-02-14T00:00:00Z To do this, it needs about 5 × 10–19 joules of energy, which it can conveniently obtain by absorbing a passing photon of that energy coming from deeper inside the Sun. Astronomy 2016-10-13T00:00:00Z To the nearest hundredth, what would the magnitude be of an earthquake releasing joules of energy? Algebra and Trigonometry 2015-02-13T00:00:00Z When the U.S. government completed construction of the National Ignition Facility in 2009, it was the most powerful laser facility in the world, able to deliver 1 million joules of energy to a target. Why fusion ignition is being hailed as a major breakthrough in fusion – a nuclear physicist explains 2023-01-02T05:00:00Z The energy is in joules for a charge in coulombs, voltage in volts, and capacitance in farads. College Physics for AP Courses 2015-08-12T00:00:00Z Using the Bohr model, determine the energy in joules of the photon produced when an electron in a He+ ion moves from the orbit with n = 5 to the orbit with n = 2. Chemistry 2019-02-14T00:00:00Z The amount of energy is on the order of 1042 joules. Astronomy 2016-10-13T00:00:00Z Its value depends on ambient temperature: in your living room, one Landauer would be around 10–21 joule. ‘Momentum Computing’ Pushes Technology’s Thermodynamic Limits 2022-03-29T04:00:00Z The 2 million joules it produces today is 50 times more energetic than the next most powerful laser on Earth. Why fusion ignition is being hailed as a major breakthrough in fusion – a nuclear physicist explains 2023-01-02T05:00:00Z The energy is in joules when the charge is in coulombs, voltage is in volts, and capacitance is in farads. College Physics for AP Courses 2015-08-12T00:00:00Z Using the Bohr model, determine the energy, in joules, necessary to ionize a ground-state hydrogen atom. Chemistry 2019-02-14T00:00:00Z Flash joule heating is actually a fairly simple process that involves running a large current through plastic materials. Plastic trash can now be recycled into ultra-strong graphene 2021-02-23T05:00:00Z One more joule of energy and it would have maintained its line and dropped. The Masters 2020: day two – live! 2020-11-13T05:00:00Z On his weather and climate blog, Mass wrote Saturday that the pyranometers on campus recorded just 0.37 joules of solar radiation over a square meter surface. ‘The infernal darkness’: Friday was darkest day recorded in Seattle history 2019-12-22T05:00:00Z You may need to look ahead to interpret manufacturer’s battery ratings in ampere- hours as energy in joules. College Physics for AP Courses 2015-08-12T00:00:00Z Using the Bohr model, determine the lowest possible energy, in joules, for the electron in the Li2+ ion. Chemistry 2019-02-14T00:00:00Z Flash joule heating just means that, rather than building up heat over time, a large initial current is passed through the material, which causes an intense burst of heat. Plastic trash can now be recycled into ultra-strong graphene 2021-02-23T05:00:00Z With successful results in hand, the researchers were able to calculate the maximum rate of energy they saw transferred by phonons across the vacuum: some 6.5 × 10–21 joules per second. Space Heater: Scientists Find New Way to Transfer Energy Through a Vacuum 2019-12-11T05:00:00Z There were some cats knocking around the set, too, and they didn’t seem to be put off by 20,000 joules of light flashing away. The Rolling Stones' Beggars Banquet: Michael Joseph's best photograph 2019-10-17T04:00:00Z Kilowatt-hours, like all other specialized energy units such as food calories, can be converted to joules. College Physics for AP Courses 2015-08-12T00:00:00Z The SI unit of heat, work, and energy is the joule. Chemistry 2019-02-14T00:00:00Z Universal Matter, a startup company from this research group, is working on developing flash joule heating for plastic waste recycling on an industrial scale. Plastic trash can now be recycled into ultra-strong graphene 2021-02-23T05:00:00Z In today’s world of polarized opinions, don’t we all need a waltz about weevils or a jitterbug on joules to bring us together? Tap-dancing for topology? Ph.D.s, it’s time again to dance your thesis in Science’s annual contest 2019-10-15T04:00:00Z Your population would have ample living area on or inside the platforms; meanwhile, through solar power, you’d be able to capture every joule of energy radiating from your star. Intelligent Ways to Search for Extraterrestrials 2019-10-03T04:00:00Z But on a macroscopic or classical scale, energies are typically on the order of joules. College Physics for AP Courses 2015-08-12T00:00:00Z Assuming the specific heat of the solution and products is 4.20 J/g °C, calculate the approximate amount of heat in joules produced. Chemistry 2019-02-14T00:00:00Z This let them triangulate the lightning’s location and power—a discharge strength of more than 1 million joules meant that a strike was a “superbolt.” The world’s strongest lightning hits—not in summer—but from November to February 2019-09-09T04:00:00Z Pump those pulses with a few hundred joules of energy and you get 10 PW of peak power. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z There are many ways to characterize electricity: Volts, amps, joules, watts. Special Report: More power and a quiet exit for Taser’s best-selling product 2017-09-21T04:00:00Z Explain, in terms of the definition of power, why energy consumption is sometimes listed in kilowatt-hours rather than joules. College Physics for AP Courses 2015-08-12T00:00:00Z If a spark promotes the electron in a hydrogen atom into an orbit with n = 3, what is the calculated energy, in joules, of the electron? Chemistry 2019-02-14T00:00:00Z You mention the regrettable practice of referring to torque units in joules per radian. Units: Don't tamper with SI-unit consistency : Nature : Nature Research 2017-09-12T04:00:00Z One approach is to boost the energy of the pulse from hundreds to thousands of joules. Physicists are planning to build lasers so powerful they could rip apart empty space 2018-01-24T05:00:00Z There are many ways to characterize electricity: Volts, amps, joules, watts. Special Report: More power and a quiet exit for Taser’s best-selling product 2017-09-21T04:00:00Z The ideal gas law is closely related to energy: the units on both sides are joules. College Physics for AP Courses 2015-08-12T00:00:00Z What amount of energy, in joules, must be released by an electron in a mercury atom to produce a photon of this light? Chemistry 2019-02-14T00:00:00Z For example, a turning force, torque, is often measured in joules per radian. SI units need reform to avoid confusion 2017-08-06T04:00:00Z That might actually sound like quite a lot, until you compare it to the total kinetic and potential energy of the Earth in the Sun's gravitational field, which is roughly 1036 joules. Fun with Gravitational Waves 2017-06-25T04:00:00Z Yes, the years, the joules, every galvanizing essence, is ultimately limited. If Donald Trump Were Actually a Battery 2017-05-18T04:00:00Z To raise a car weighing 1000 kilograms a distance of 100 meters would require about a million joules. College Physics for AP Courses 2015-08-12T00:00:00Z What is the energy, in joules, per photon of this orange light? Chemistry 2019-02-14T00:00:00Z In dimensional analysis, that confusingly becomes joules, the same unit as energy. SI units need reform to avoid confusion 2017-08-06T04:00:00Z French standards require the vessel to withstand shocks of 60 joules but they found values as low as 30, meaning the component is in parts about half as strong as it should be. Flaw found in French nuclear reactor - BBC News 2015-07-09T04:00:00Z But the joule of this Super Bowl crown is the billion-plus chicken wings that will be consumed in the few hours after the pre-game show begins. Super Bowl XLIX -- A Huge Energy Source For America 2015-01-30T05:00:00Z For example, even a tiny fraction of a joule can be great enough for these particles to destroy organic molecules and harm living tissue. College Physics for AP Courses 2015-08-12T00:00:00Z What is the energy, in joules, and frequency of this X-ray? Chemistry 2019-02-14T00:00:00Z Crunching the numbers gives an energy of about 90 joules per second – or 90 watts, if you could harvest it at 100 per cent efficiency. StatoilVoice: Can You Turn Your Home Into A Hydroelectric Plant? 2015-01-27T05:00:00Z For every 10 joules of energy that our greenhouse gas pollution traps here on Earth, about 9 of them end up in an ocean. Rapidly Warming Oceans Set to Release Heat into the Atmosphere 2014-12-30T05:00:00Z “A Milestone on the Long and Winding Road to Fusion,” by David Biello, states that lasers at Lawrence Livermore National Laboratory used to produce fusion require about 500 trillion joules. Readers Respond to "The World Without Free Will" 2014-09-21T04:00:00Z Use units of joules for energy and kilograms for mass. College Physics for AP Courses 2015-08-12T00:00:00Z Such conditions enable fusion, and, in this case, the fusing fuel yielded nearly twice as much energy as the roughly 10,000 joules that triggered it. Fusion Experiment Breakthrough 2014-06-15T04:00:00Z If a glass of water is 8 ounces, a glass of water from Ashkelon takes roughly 10,000 joules of energy. How Israeli Snowmakers Are Saving Alpine Skiing 2014-01-23T20:09:35Z When energy constraints became a problem, meaning that computers required prohibitive amounts of electrical power and threw off problematic amounts of waste heat, a new measurement arrived: operations per joule of energy. How IBM Is Making Computers More Like Your Brain. For Real 2013-10-18T14:45:00.430Z Two million joules of ultraviolet laser energy then converges on a cylindrical target called a hohlraum, after the German word for "cavity." Pressure for Results Mounts as Fusion Research Crawls Forward 2013-10-16T19:15:00.427Z One joule is not a large amount of energy; it would lift a small 100-gram apple a distance of about 1 meter. College Physics for AP Courses 2015-08-12T00:00:00Z The NIF experiment required more energy to run than it generated; feeding the lasers alone required a burst of about 500 trillion joules. Fusion Experiment Breakthrough 2014-06-15T04:00:00Z “We hope that eventually by international agreement our measurements and others will ‘fix’ the Boltzmann constant so that forever after we define temperature as a certain number of joules per degree kelvin.” Uncommon Measure: Acoustic Result Could Change Definition of Temperature 2013-07-11T21:45:23.407Z Energy Humanity consumes energy at a rate of roughly 17 Terawatts – that is to say, 17 trillion joules per second, every second of every day. (Nearly) Unlimited Energy 2013-04-15T13:02:29Z The traditional view has this the other way around: pushing yourself to do important stuff is passé, but looking the part neutralises every joule of energy expended on its behalf. From Viv Richards to, um, Andy Murray 2013-03-01T11:49:51Z The left-hand side of the ideal gas law is PV , which also has the units of joules. College Physics for AP Courses 2015-08-12T00:00:00Z The work done in this compression is pv/T = R, and is also the same for all gases, namely, 8.3 joules. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z Release the energy stored in one cubic meter of the quantum vacuum — about the size of a small dumpster — and you’d only get about one ten-billionth of a joule. Quantum Casimir Effect Inspires Indie Filmmakers 2012-04-19T15:45:31.037Z If this condenser is charged to 20,000 volts, we have stored up in it half a joule of electric energy, and the volume of the dielectric is 270 cubic centimetres. Hertzian Wave Wireless Telegraphy 2012-01-09T03:00:20.570Z Green groups worry about 'carbon debt' Joule for joule, both burning wood and burning coal for energy expel similar levels of carbon dioxide. How Europe's CO2 Cap-and-Trade Means Georgia Jobs 2011-10-31T19:15:05.837Z A conservative estimate of the difference would be 10–15 joules per bit. Q & A: When an E-Reader Is Loaded With Books, Does It Gain Weight? 2011-10-24T17:16:24Z As the erg is a very small unit, for many purposes, a unit equal to 10 million ergs, called a joule, is employed. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The joule is the approved unit, and the one we used. Green: Cornell Gas Study Stirs Heated Debate 2011-04-18T12:01:46Z Units such as terawatts, joules and BTUs mean little to our policymakers and citizens, adding confusion to an already difficult topic. Our Energy Challenge, In Cubic Miles Of Oil 2010-08-10T10:00:00Z A more convenient unit of work or energy, in practice, on account of the smallness of the erg, is the joule, which is equal to 10.7 ergs, or one watt-second of electrical energy. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" The joule is the energy spent in I second by a flow of 1 ampere in 1 ohm. The Radio Amateur's Hand Book The watt is the work per second done by an electromotive force of 1 volt in driving a current of 1 ampere, and is equal to 10 million ergs or 1 joule per second. Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 2 "Hearing" to "Helmond" 2012-04-25T02:00:53.567Z The result found was 4.191 joules per calorie at 19� C. This agrees very well with Griffiths considering the difficulty of measuring so small a rise of temperature at 2� with a mercury thermometer. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" On account of its practical convenience, and its close relation to the international electrical units, the joule has been recommended by the British Association for adoption as the absolute unit of heat. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" It was proposed by a committee of the British Association to select the temperature at which the specific heat was 4.200 joules, leaving the exact temperature to be subsequently determined. Encyclopaedia Britannica, 11th Edition, Volume 5, Slice 1 "Calhoun" to "Camoens" |
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