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单词 Gigajoule
释义

Gigajoule

原声例句
经济学人-科技

GlassPoint's boss, Rod MacGregor, thinks that taking capital costs and the lifetime of the plant into account his firm can produce steam at $3.78 per million British thermal units (btu), which is $3.58 a gigajoule.

玻璃点太阳能公司的老板罗德? 麦格雷戈(Rod MacGregor)认为,考虑到工厂的资金成本和历史,他的公司能产生蒸汽每百万英(制)热单位(BTU)3.78美元,这是每千兆焦耳3.58美元。

中文百科

焦耳 Joule

(重定向自Gigajoule)

焦耳(简称)是国际单位制中能量、功或热量的导出单位,符号为J。在古典力学里,1焦耳等于施加1牛顿作用力经过1公尺距离所需的能量(或做的机械功)。在电磁学里,1焦耳等于将1安培电流通过1欧姆电阻1秒时间所需的能量。焦耳是因纪念物理学家詹姆斯·焦耳而命名。

以其它单位表示,

1焦耳也可以定义为

英语百科

Joule 焦耳

(重定向自Gigajoule)

The joule (/ˈl/), symbol J, is a derived unit of energy in the International System of Units. It is equal to the energy transferred (or work done) to an object when a force of one newton acts on that object in the direction of its motion through a distance of one metre (1 newton metre or N·m). It is also the energy dissipated as heat when an electric current of one ampere passes through a resistance of one ohm for one second. It is named after the English physicist James Prescott Joule (1818–1889).

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更新时间:2025/6/22 21:42:04