According to the requirement of small satellite vacuum leak detection a set of vacuum leak detection equipment is developed .

文章介绍了用于小卫星 真空 检漏而研制的一套真空检漏设备。

In this paper the performance of the airtightness for vacuum coating equipment the characteristics of leak detection with Helium Mass-spectrometer and the leak detection system are described .

本文论述了 真空镀膜设备气密性的特点、氦质谱仪 检漏特点及其检漏系统，说明氦质谱仪检漏是检查 真空 镀膜 设备 漏气的最有效的方法。

The pictures show VTC-050 . Chamber vacuum gauge and leak valve are optional .

箱、 真空计、 排泄阀（安装于箱）是可选件。

Vacuum vessel seal structure used in the leak test of a liquid rocket engine turbopump is discussed .

论述了某型号液体火箭发动机涡轮泵高压低温静 密封 检漏试验用 真空室密封结构的设计问题。

The calibration apparatus of comparison leak rate method is a metrology standard apparatus for gas leak rate . The vacuum leak can be calibrated with the absolute comparison method and the relative comparison method .

比对法漏率校准装置是计量气体漏率的一种装置，可绝对法和相对法对 真空 漏孔进行校准。

Application of quadrupole mass spectrometer in vacuum leak detection

四极质谱计在 真空 检漏中的应用

The paper describes in detail the hardware network of the vacuum leak test system and the data acquisition software .

文章详细介绍了 真空 检漏设备数据采集系统硬件网络的构建以及软件的开发。

It is Introduced the principle and method of vacuum leak age detection of the special equipment in the semiconductor production and the experience on solving practice problems with the method .

本文介绍了半导体制造专用设备的 真空 检漏的原理、方法，以及用该方法解决实际问题的一些实践经验。

Research on Freeze Drying Plant Lay plate of Both Vacuum Leak Detection Technology

冻干机搁板双 真空 检漏技术的研究

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 problems of the vacuum and its leak check are studied .

微小 间隙 抽 真空以及 真空 检漏等应注意的问题进行探讨。

Study on method of calibrating vacuum leak with constant conductance method

固定流导法校准 真空 漏孔方法研究

Design and optimization of vacuum chamber for leak detection of ITER conductor

ITER导体 检漏 真空室的设计与优化

If the refrigerant system fails to reach the specified vacuum the system has a leak that must be correcteSee Refrigerant System Leaks in this group .

如果冷媒系统失效未能达到指定的 真空，系统存在必须修理的 泄漏。请参阅本单元冷媒系统泄漏。

Vacuum Leak age Detection of the Special Equipment in the Semiconductor Production

半导体制造专用设备的 真空 检漏

The Study of Superlong Delay and Holding Time Characteristics of The Detectable Gas through Vacuum Mixing Leak

真空混合 漏孔示 漏气体的延迟和保持特性研究

A sniffer with a vacuum cover-helium leak detector set was developed for pressured vessels detection and some vacuum pumping sets suitable for pumping huge water vapor were developed also .

对压力容器检漏，开发了真空罩吸枪-氦质谱检漏系统，还研制了适于抽除大量水汽的 检漏 真空机组。

The vacuum leak and outgassing rate can be inspected iteratively with combining computer technique and this method has applied successfully on the HL-1M tokamak .

结合计算机技术能对装置运行 状态 的 漏放率进行巡回检测，并成功地应用于HL-1M装置。

Summary on reason of aluminum alloy panel radiator by vacuum brazing leak out

铝合金板式换热器 真空钎焊 泄漏原因分析

The Development of the Vacuum Leak Detection Equipment for Small Satellite

小卫星 真空 检漏设备研制

The spectra excited in a Penning ionization gauge can be used for quick monitoring the pressure in a vacuum system and for leak detection .

它利用检测潘宁放电光谱作为一种快速诊断 真空系统质量及 检漏的手段。

If the vacuum drops within approx.30 seconds there is a leak in the coolant circuit .

如果在大约30秒内 真空值下降，则表明冷却液回路中存在 泄漏。

The Alcatel Vacuum Technology product-range includes vacuum pumps leak detectors vacuum gauges plasma sensors valves flanges and fitting .

阿尔卡特真空技术的产品包括 真空泵， 检漏仪，真空计，等离子传感器，阀门，法兰及其配件。

And we found out that the major causes of vacuum leak lied in a leakage in the low-pressure explosion-proof door a bigger low-pressure vapor seal radial clearance and the low tightness of the cylinder .

分析发现低压防爆门泄漏、低压汽封径向间隙偏大及汽缸严密性能差是造成汽轮机 真空系统 漏空的主要原因。

This paper describes the structure performance and sealing mechanism of feed-in device of rotary shaft vacuum seal by using a new magnetic material magnetic fluid as sealing medium and gives the measured data of the vacuum and the leak rate .

本文介绍了用新型磁性材料&磁液作密封体的旋转轴真空密封馈入装置的结构、性能、密封机制，并给出了有关 真空 度及 泄漏率的测试数据。

If the vacuum drops fix the leak in the system .

如果 真空降低，请修复该装置中的 泄漏 处。

According to the gas dynamics and the technique of quadruple mass spectrometry ( QMS ) a method for measuring large device vacuum leak rate is put forward .

根据质谱分析技术和气体动力学方程，提出了一种用质谱测量法对大型 真空装置 漏 放率的测试方法。

A Research of the Causes of the Vacuum Leak in Steam Turbine and of Measures of Improvement

汽轮机 真空 系统 漏空原因及提高严密性的措施

The Data Acquisition System of Vacuum Leak Equipment

真空 检漏设备数据采集系统的实现

Application of oil-free vacuum leak detection system in space environment simulation test

无油 真空 检漏系统在空间环境模拟试验中的应用