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第一讲能量转换和(火用) 一、能量转换和能量平衡方法能量是物质运动的度量。它即不能创生,也不能消灭,只能在一定条件下从一种物质传递到另一种物质,从一种形态转变到另一种形态。在传递和转换过程中,能量的数量总量恒定不变,这就是为人们所熟知的能量转换和守恒定律,亦即热力学第一定律。它是自然现象中最普通、最基本的定律之一。这一定律广泛适
The first talk about energy conversion and (fire) First, the energy conversion and energy balance method Energy is a measure of material movement. It cannot be created or destroyed. It can only be transferred from one substance to another under certain conditions, and it can change from one form to another. In the transfer and conversion process, the total amount of energy is constant, which is known as the law of energy conversion and conservation, that is, the first law of thermodynamics. It is one of the most common and basic laws in natural phenomena. This law is widely applicable