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单词 法拉
释义 〔Atchafalaya〕A river of south-central Louisiana flowing about 362 km (225 mi) intoAtchafalaya Bay, an inlet of the Gulf of Mexico. 阿查法拉亚河:美国路易斯安那州中南部一河流,流程约362公里(225英里),注入阿查法拉亚湾, 墨西哥湾的一个入口 〔Mobile〕A city of southwest Alabama at the mouth of theMobile River, about 61 km (38 mi) long, on the north shore of Mobile Bay, an arm of the Gulf of Mexico. Founded c. 1710, the city was held by the French, British, and Spanish until it was seized by U.S. forces in 1813. In the Battle of Mobile Bay (August 1864) Adm. David Farragut defeated a major Confederate flotilla and secured Union control of the area. Population, 196,278. 墨比尔:亚拉巴马州西南的一座城市,在长约61公里(38英里)的墨比尔河 口处,位于墨西哥湾的一个海湾 墨尔比湾 的北海岸。约设立于1710年,该市在1813年为美国军队夺取前曾被法、英和西班牙拥有。在墨比尔湾战役(1864年8月)中,海军上将大卫·法拉革特击溃了一支邦联军舰队主力并确保联邦对该地区的控制。人口196,278 〔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 〔millifarad〕A unit of capacitance equal to one thousandth (10-3) of a farad. 毫法(拉):电容量单位,等于千分之一(10-3)法拉 〔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〔abfarad〕The centimeter-gram-second electromagnetic unit of capacitance, equal to one billion farads.电磁法拉:厘米-克-秒制中静电容量的电磁单位,相当于十亿法拉〔picofarad〕One trillionth (10-12) of a farad. 皮可法拉,微微法拉:万亿分之一法拉(10-12) 〔microfarad〕A unit of capacitance equal to one millionth (10-6) of a farad. 微法拉:等于百万分之一(10-6)法拉的电容单位
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