单词 | 安培 |
释义 | 〔microampere〕A unit of electric current equal to one millionth of an ampere.微安(培):等于百万分之一安培的电流单位〔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〔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〔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〔ampere〕A unit in the International System specified as one International coulomb per second and equal to 0.999835 ampere. See table at measurement 安培:一种国际系统单位,指每秒中流过一国际标准库仑的电量,相当于0.999835安培 参见 measurement〔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〔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 〔abampere〕The centimeter-gram-second electromagnetic unit of current equal to ten amperes.电磁安培:厘米一克一秒电磁单位,相当于10安培〔coulomb〕The meter-kilogram-second unit of electrical charge equal to the quantity of charge transferred in one second by a steady current of one ampere. See table at measurement 库仑:米-千克-秒电荷单位,相当于一安培的稳定电流一秒钟内所传送的电荷量 参见 measurement〔joule〕A unit of electrical energy equal to the work done when a current of 1 ampere is passed through a resistance of 1 ohm for 1 second.焦耳:电能单位,相当于1安培的电流通过1欧姆的电阻在1秒钟内所做的功〔ampere〕A unit of electric current in the meter-kilogram-second system. It is the steady current that when flowing in straight parallel wires of infinite length and negligible cross section, separated by a distance of one meter in free space, produces a force between the wires of 2 × 10-7 newtons per meter of length. 安培:米-千克-秒单位制中电流的单位,即在无限长且横截面极小的直流平行电线中流动的平稳电流,在自由空间中被一米长的距离隔开,在电线中间可产生每米2×10-7牛顿 〔milliampere〕A unit of current equal to one thousandth (10-3) of an ampere. 毫安(培):电流单位,等于千分之一(10-3)安培 〔rate〕This fuse is rated at 50 amperes.这根保险丝的熔断极限是五十安培的电流 |
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