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1卡热量是多少

更新时间: 2020-11-05 00:00:00     

1卡(cal)等于4.1858518208455焦耳的热量。

热量,是指在热力系统与外界之间依靠温差传递的能量。热量是一种过程量,所以热量只能说吸收或者放出,不可以说含有或者具有。而该传递过程称为热交换或热传递。热量的单位为焦耳(J)。

关键词: 热量 多少

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