The presented evaluation method may provide a reference for evaluating the uncertainty about the total leak rate method of spacecraft and vacuum leak testing method.
该评价方法可以为航天器的总漏率测试法和真空检漏法的不确定度评定提供一定的参考依据。
The leak rate is the key specification of vacuum dynamic sealing with magnetic fluid.
漏气率是磁流体真空动密封组件的关键技术指标。
The difference between leak rate and rate of pressure rise of high vacuum pneumatic operation baffle valve is analyzed.
本文通过高真空气动挡板阀的数据分析来说明漏率和升压率在高真空范围内二者之间的差异。
The results show that, through controlling the melting rate, leak pressure and pre-vacuum rigidly, the oxygen homogeneity can effectively improve.
结果表明：通过熔炼速度、漏气率、预真空等关键因素的严格控制，可大幅度提高大规格纯钛铸锭中氧元素的均匀性。
The results show that, through controlling the melting rate, leak pressure and pre-vacuum rigidly, the oxygen homogeneity can effectively improve.
结果表明：通过熔炼速度、漏气率、预真空等关键因素的严格控制，可大幅度提高大规格纯钛铸锭中氧元素的均匀性。
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