释义 |
焦耳jiāo'ěr功、能量和热的单位,1牛顿的力使其作用点在力的方向上位移1米所作的功,就是1焦耳。1焦耳等于10?尔格。这个单位名称是为纪念英国物理学家焦耳(James Prescott Joule)而定的。{joule; unit of work, energy or heat equal to the work done when a force of one newton acts through a distance of one metre. One joule is equal to 10?ergs. Joule is named after the British physicist James Prescott Joule.}简称{abbr.}焦{jiāo}。 |