The control of catalyst bed temperature in a fixed bed reactor during high exothermic reactions is of primary concern to designers.

在强放热反应的固定床催化反应器的设计中，床层温度的控制常成为设计的主要焦点。

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Besides, the solid catalysts are immersed in liquid distillates, so the heat of exothermic reactions is immediately absorbed by vaporizing more liquid.

此外，固体催化剂浸没在液体馏分中，因此放热反应放出的热量立即被蒸发出的更多液体吸收。

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Presented a combustion model of exothermic reactions, the program is suitable to calculate the three-dimensional temperature field in general combustion Chambers.

在给出燃烧析热模型后，该程序可用于计算一般燃烧室内的三维温度场。

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Energy means, you know, chemical reactions happen, and you end up with something that might be exothermic, that is, the products are more stable then the reactants.

能量表明，当反应发生之后，你最终会得到放热的产物，换句话说就是产物比反应物更稳定。

麻省理工公开课 - 热力学与动力学课程节选