vacuum coefficient

Research on the Flow Coefficient of Differential Pressure Low Vacuum Filling Machine

压差式负压灌装机流速系数研究

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Based on the basic principle of heat transfer, the thermal conductivity coefficient of a copper-cored cable is measured at the cryogenic and vacuum environment. Within the layer the copper?

根据传热学的基本原理，设计了真空低温环境用于一种铜芯电缆的整体导热系数的测量。介绍了试验原理及装置，并测量了该电缆在低温下的导热系数。

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The denitrogen still happened as Ar was filled in low vacuum ( 9 300 Pa), in this case the denitrogen was second-order reaction with mass transfer rate coefficient 0.022 cm/ s.

在低真空（9300Pa）过程充Ar，仍会发生脱N行为，此时脱N为二级反应，传质速率常数为0022cm/s。

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The results showed that C, Mn and V elements in steel had no effect on the behavior of N in vacuum condition: denitrogen was first-order reaction with mass transfer rate coefficient 0.091 cm/ s.

结果表明，在真空条件下，钢水中的C、Mn、V对N的行为基本没有影响，此时脱N为一级反应，传质速率常数为0091cm/s；

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