XHV是什么意思

XHV

abbr.Extreme Height Vacuum 极高真空;

例句:

1、

A novel technique has been successfully developed to calibrate the ultra high vacuum ( UHV) and extra high vacuum ( XHV), which consists of XHV/ UHV chambers, a flow separation and a gas supply.

超高/极高真空校准装置由极高真空（XHV）系统、超高真空（UHV）系统、流量分流系统和供气系统四部分组成。

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2、

Finally, we present a new type of XHV electrostatic saddle field ionization gauge which features very small electrode sizes and low outgassing/ sorption rates and high sensitivity.

最后提出一种极高真空鞍场规，与上述几种电离规相比，具有电极尺寸小、灵敏度高、吸放气率低等优点。

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3、

Review of F. wantanabe ′ s study on XHV measurement

渡边文夫的极高真空测量研究评介

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