单词 | 伏特 |
释义 | 〔farad〕The unit of capacitance in the meter-kilogram-second system equal to the capacitance of a capacitor having an equal and opposite charge of 1 coulomb on each plate and a potential difference of 1 volt between the plates. See table at measurement 法拉:电容的单位,等于电容器极板上充以1库仑电量后两板间的电压为1伏特时的电容 参见 measurement〔weber〕The SI unit of magnetic flux equal to the magnetic flux that in linking a circuit of one turn produces in it an electromotive force of one volt as it is uniformly reduced to zero within one second. See table at measurement 韦伯:磁通量的国际单位,等于当磁通量在一秒钟内被统一地减弱为零时在它联接的一圈电路内产生一伏特电动势时的磁通量 参见 measurement〔henry〕The unit of inductance in which an induced electromotive force of one volt is produced when the current is varied at the rate of one ampere per second. See table at measurement 亨,亨利:电感单位,当电流以每秒一安培的速度变化,产生一伏特的感应电动势 参见 measurement〔watt〕One might well ask how many European scientists it takes to turn on a light bulb.If we think in terms of the names used for various units in the International, or meter-kilogram-second, System,a fair number are involved.Alphabetically arranged, these units are theampere, named for the French scientist Andr? Marie Ampère (1775-1836); thecoulomb, after the French scientist Charles A. de Coulomb (1736-1806); thefarad and the faraday, after the British scientist Michael Faraday (1791-1867); thejoule, after the British scientist James P. Joule (1818-1889); thenewton, after the British scientist Sir Isaac Newton (1642-1727); theohm, after the German scientist Georg S. Ohm (1789-1854); thevolt, after the Italian scientist Count Alessandro Volta (1745-1827); and thewatt, after the British scientist James Watt (1736-1819). Definitions such as that ofohm, "a unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals,” take on more human connotations when we think of how human contributions to the study of electricity are memorialized in them.The dates of first recorded use of the terms in English are as follows:ampere, 1881; coulomb, 1881; farad, 1861; faraday, 1904; joule, 1882; newton, 1904; ohm, 1870 (suggested in 1861); volt, 1873; and watt, 1882. 有人可能会问经过了多少位欧洲科学家才点亮了灯泡。如果我们以国际单位制或米—千克—秒单位制中各种单位之名称的形式来考虑的话,相当数量的人被包括了。这些单位按字母顺序排列是安培, 以法国科学家安德烈·马里耶·安培(1775—1836年)命名; 库仑, 以法国科学家夏尔·埃·德库仑(1736-1806年)命名; 法拉 和 法拉第, 以英国科学家迈克尔·法拉第(1791—1867年)命名; 焦耳 以英国科学家詹姆斯·皮·焦耳(1818—1889年)命名; 牛顿, 以英国科学家伊萨克·牛顿爵士(1642—1727年)命名; 欧姆, 以德国科学家格奥尔格·斯·欧姆(1789—1854年)命名; 伏特, 以意大利科学家亚历山德罗·沃尔塔伯爵(1745—1827年)命名; 瓦特, 以英国科学家詹姆士·瓦特(1736—1819年)命名。 定义诸如欧姆, “电阻单位,等于一伏特电压加于导体两端在导体内部产生一安培电流之导体电阻”, 当我们想到人们对电学做出的贡献是怎样在这之中得到纪念的时候,就带上了更多的人文内涵。英语中首次有记录的使用这些说法的时间如下:安培, 1881; 库仑, 1881; 法拉, 1861; 法拉第, 1904; 焦耳, 1882; 牛顿, 1904; 欧姆, 1870(在1861年建议使用); 伏特, 1873;和 瓦特, 1882 〔microvolt〕A unit of electric potential equal to one millionth (10-6) of a volt. 微伏:等于百万分之一(10-6)伏特的电压单位 〔ohm〕A unit of electrical resistance equal to that of a conductor in which a current of one ampere is produced by a potential of one volt across its terminals. See table at measurement 欧姆:电阻单位,一段导体两端的电位差为伏特时产生一安培电流,那么这段导体的电阻就等于欧姆 参见 measurement〔voltmeter〕An instrument, such as a galvanometer, for measuring potential differences in volts.伏特计:一种以伏特为单位测量电位差的仪表,如电压表〔Volta〕Italian physicist who invented the first electric battery (1800). The volt is named in his honor.伏特,亚历山德罗:(1745-1827) 意大利物理学家,发明了第一块电池(1800年)。伏特是为纪念他而命名〔volt〕The International System unit of electric potential and electromotive force, equal to the difference of electric potential between two points on a conducting wire carrying a constant current of one ampere when the power dissipated between the points is one watt. See table at measurement 伏特:电势和电动势的国际系统单位,等于当两点间电力为一瓦特时一根导线传导一安培稳定电流两点间的电势之差 参见 measurement〔megavolt〕One million volts.百万伏特:一万伏特〔abvolt〕The centimeter-gram-second electromagnetic unit of potential difference, equal to one hundred-millionth of a volt.电磁伏特:厘米-克-秒制势差的电磁单位,相当于亿分之一伏特〔siemens〕A unit of electrical conductance in the International System, equal to one ampere per volt.西门子:国际体制中的电导单位,相当于每伏特一安培〔voltage〕Electromotive force or potential difference, usually expressed in volts.电压:电位或电位差,常以伏特为单位 |
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