| 单词 | energy unit |
| 释义 | energy unit (once / 214897 pages) n WORD FAMILY energy unit: energy units USAGE EXAMPLESMs. Davis says she aims to make the energy unit more efficient to gain a competitive edge when oil prices rebound. Wall Street Journal(Nov 24, 2016) However, its renewable energy unit provided the company with another profit source during the quarter. Wall Street Journal(Oct 28, 2016) Bruce Laws will step down this fall as U.S. president of Maersk Oil, the energy unit of Danish conglomerate A.P. Wall Street Journal(Sep 06, 2016) n a unit of measurement for work Syn|Hypo|Hyper heat unit, work unit erg a cgs unit of work or energy; the work done by a force of one dyne acting over a distance of one centimeter eV, electron volta unit of energy equal to the work done by an electron accelerated through a potential difference of 1 volt J, joule, watt seconda unit of electrical energy equal to the work done when a current of one ampere passes through a resistance of one ohm for one second calorie, gram calorie, small calorieunit of heat defined as the quantity of heat required to raise the temperature of 1 gram of water by 1 degree centigrade at atmospheric pressure Calorie, kilocalorie, kilogram calorie, large calorie, nutritionist's caloriea unit of heat equal to the amount of heat required to raise the temperature of one kilogram of water by one degree at one atmosphere pressure; used by nutritionists to characterize the energy-producing potential in food B.Th.U., BTU, British thermal unita unit of heat equal to the amount of heat required to raise one pound of water one degree Fahrenheit at one atmosphere pressure; equivalent to 251.997 calories therma unit of heat equal to 100,000 British thermal units watt-houra unit of energy equal to the power of one watt operating for one hour B.T.U., Board of Trade unit, kW-hr, kilowatt houra unit of energy equal to the work done by a power of 1000 watts operating for one hour foot-pounda unit of work equal to a force of one pound moving through a distance of one foot foot-ton2240 foot-pounds foot-poundala unit of work equal to a force of one poundal moving through a distance of one foot horsepower-houra unit of work equal to the work done by one horsepower in one hour kilogram-metera unit of work equal to the work done by a one kilogram force operating through a distance of one meter unit, unit of measurement any division of quantity accepted as a standard of measurement or exchange |
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