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 presented evaluation method may provide a reference for evaluating the uncertainty about the total leak rate method of spacecraft and vacuum leak testing method.

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介绍了核电站蒸汽发生器管子-管板焊缝的氦质谱检漏及总漏率测试方法的研究及为提高检测灵敏度所采取的措施。

Using the helium mass-spectrometer leak detector to detect the leak of seams between the tube and face-flange and measure the total leakage rate are introduced in this paper.

youdao

介绍了核电站蒸汽发生器管子-管板焊缝的氦质谱检漏及总漏率测试方法的研究及为提高检测灵敏度所采取的措施。

Using the helium mass-spectrometer leak detector to detect the leak of seams between the tube and face-flange and measure the total leakage rate are introduced in this paper.

youdao