| 单词 | 电阻 |
| 释义 | 〔ohmmeter〕An instrument for direct measurement in ohms of the resistance of a conductor in ohms.欧姆：以欧姆为单位来对导体电阻进行直接测量的仪器〔bridge〕Any of various instruments for measuring or comparing the characteristics, such as impedance or inductance, of a conductor.电桥：用来测量、比较导体的特征的仪器，如电阻、感应器〔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〔ohmage〕Electrical resistance expressed in ohms.奥姆数：以奥姆显示的电阻数〔resistor〕A device used to control current in an electric circuit by providing resistance.电阻器：在电路中通过提供电阻控制电流的仪器〔reactance〕Opposition to the flow of alternating current caused by the inductance and capacitance in a circuit rather than by resistance.电抗：交流电路中由电感和电容造成的阻抗部分，不是由电阻引起的〔Ohm〕German physicist noted for his contributions to mathematics, acoustics, and the measurement of electrical resistance.欧姆，格奥尔格·西蒙：(1789-1854) 德国物理学家，因其对于数学、声学和电阻测量做出的贡献而著名〔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〔thermistor〕A resistor made of semiconductors having resistance that varies rapidly and predictably with temperature.热敏电阻：半导体制成的电阻，随温度可迅速变化，并可预测〔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 〔conductance〕A measure of a material's ability to conduct electric charge; the reciprocal of the resistance.传导力：衡量材料对电流的传导能力的计量单位；电阻互导〔magnetoresistance〕A change in electrical resistance of a conductor or semiconductor when a magnetic field is applied.磁致电阻：当磁场产生作用时导体或半导体的电阻变化〔constantan〕An alloy of 45 percent nickel and 55 percent copper, used chiefly in electrical instruments because of its constant resistance.康铜：一种用45％的镍和55％的铜组成的合金，因其具有恒值电阻而主要被用于电表仪器中〔bolometer〕An instrument that measures radiant heat by correlating the radiation-induced change in electrical resistance of a blackened metal foil with the amount of radiation absorbed.辐射热测定器：一种使涂黑金属箔电阻辐射的变化与其接受辐射数量相互关联以测定辐射热量的仪器〔abohm〕The centimeter-gram-second electromagnetic unit of resistance, equal to one billionth of an ohm.电磁欧（姆）：厘米-克-秒制中电阻的电磁单位，相当于十亿分之一欧姆 |
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