VM型氦气制冷机是依靠外界输入热量来 制冷的 微型制冷设备。

The VM type cryogenerator is a mini-device using heat imput from outside.

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结果表明，焊接时输入热量过高产生的原始裂纹是球阀断裂的主要原因。

The results show that the original crack is brought by high welding heat, which can cause the broken of ball valve.

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分析结果表明，厚板焊接工形截面残余应力的大小及分布，除了与焊接输入热量有关外，尚与截面几何尺寸有关。

The studying results indicate that the magnitude and distribution of residual stress are related to the heat input created by welding process and to the cross section geometry.

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So we don't really need to put in a certain amount of heat and change the temperature of the products and the calorimeter and so on.

所以我们实际上并不需要输入,一定的热量，改变生成物,和量热计的温度之类。

麻省理工公开课 - 热力学与动力学课程节选

It's just how much heat is involved when we change the temperature. Now, the products have some heat capacity associated with them right, it takes a certain amount of heat if we make their temperature change, to either put it in or take it away, depending on which direction the temperature is changing.

问题就是当我们改变温度时,有多少热量发生了转移,生成物具有一定的热容,如果我们改变,它们的温度，就要输入或,提取一定的热量,这取决于温度改变的方向。

麻省理工公开课 - 热力学与动力学课程节选