盖斯定律表明，对于任意化学反应，能量变化并非是路径依赖的。
Hess 'Law states that for any chemical reaction, the energy change is path independent.
然后应用能量守恒定律去求得螺杆泵转子的设计规律。
Then, find out the design rules with the conservation law of energy.
你必须掌握能量守衡定律。
能量守恒这一概念是热力学的第一定律。
The idea that energy is conserved is the first law of thermodynamics.
能量守恒定律也获得简单的形式。
用形式完备的热力学内能给出了热力学第二定律的能量转移形式；
The energy conversion form of second law of thermodynamics is shown by complete inner energy.
这根本就不违反能量守恒定律。
There is also no violation of the law of conservation of energy.
能量守恒和能量转换定律是工程实践的主要基础。
The law of conservation and transformation of energy is the chief basis of engineering practice.
能量守恒和能量转换定律是工程实践的主要基础。
The law of conservation and transformation of energy is the chief basis of engineering practice.
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