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检漏仪     
相关语句
  leak detector
     Application of SCJ-2A humidity differential leak detector of double-water internal cooling generator
     SCJ-2A型湿度差动检漏仪在双水内冷发电机上应用
短句来源
     This paper introduces a method of leakage detection by utilizing helium mass spectrometer leak detector and the comprehensive treatments based on the leakage detection for the vacuum system of a K-55-8.8 steam turbine,in which good effect is taken.
     介绍了K-55-8.8型汽轮机真空系统利用氦质谱检漏仪对漏点的检测方法及综合治理措施,取得了良好的效果。
短句来源
     Further Study on Accuracy of New Automatic Halogen Leak Detector
     新型自动卤素检漏仪检漏准确率的进一步研究
短句来源
     The leak detection of base element and the vacuum vessel is performed with helium mass spectrometer leak detector and two mass spectrometry. The total leak rate of the vessel is below 1.2×10-5Pa·m3·s-1.
     用氦质谱检漏仪、四级场质谱计与氦质谱检漏仪相结合的方法分别进行了零部件和真空室总体检漏,真空室总漏气率≤1.2×10-5Pa·m3·s-1。
短句来源
     Application of acoustic emission leak detector in inspection of valve tightness
     声发射检漏仪在阀门密封性检验中的应用
短句来源
更多       
  leakage detector
     Development of AH-1 full-automatic suction-gun helium leakage detector
     AH-1型全自动吸枪式氦检漏仪的研制
短句来源
     Automatic Leakage Detector for Motorcycle Cylinder Head Pressure
     摩托车气缸盖压力自动检漏仪
短句来源
     The Application of the FJ-1 Leakage Detector for Underground Metal Pipeline's Anticorrosion Layer in the Aerioil Pipeline
     FJ-1地下金属管道防腐层检漏仪在航油管道上的应用
短句来源
     It is introduced in this paper the basic working principle of the FJ 1 leakage detector for underground metal pipeline's anticorrosion layer,especialdy the application of the detector in the aerioil.
     本文介绍了FJ - 1地下金属管道防腐层检漏仪的基本工作原理 ,该仪器在航油管道上的使用情况。
短句来源
     To meet the requirement of detecting long transporting underground metal pipeline, a ground electromagnetic detection technique is presented, which is composed of pipeline electric current detection system, pipeline locating indicator, frequency analysis type leakage detector and hydrogen leakage detector, and etc.
     本文根据埋地长输金属管道检测的实际需要,提出了主要由管道电流检测系统、管道定位仪、频率分析型检漏仪、氢气查漏仪等组成的地面电磁检测技术。
短句来源
更多       
  leak detection instrument
     Development of an Intelligent Pipe Leak Detection Instrument
     智能管道检漏仪的开发
短句来源
  leak apparatus
     Design of Diffusion Pump in Use for Backflow Leak Apparatus
     流检漏仪用扩散泵的设计
短句来源
     The diffusion pump in use for backflow leak apparatus is the particular use.
     逆流检漏仪用扩散泵属于特殊用途的扩散泵。
短句来源
     Performance K-65F pump will be analyzed on the basis of theory in vacuum physics, aerodynamics theory and Jaeckel theory. The design is rational. It is proved that diffusion pump of this construction can satisfy the particular requirements for backflow leak apparatus.
     并运用真空物理中的理论,气体动力学理论和Jaeckel理论,对K—65F泵作了性能分析,说明设计的合理性,证明这种结构的扩散泵能够满足逆流检漏仪的特殊要求。
短句来源

 

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      leak detector
    Using helium gas and a helium leak detector, through-the-thickness gas permeability in CFRP laminated tubes with or without matrix cracks was measured at room temperature.
          
    Gas flowmeter from a leak detector and potentiometer
          
    Gas flowmeter from a leak detector and potentiometer
          
    The analysis is based on differentiating between random errors occurring during the tests and errors that are made in the calibration of the leak detector and contribute to the unexcluded systematic error.
          
    Additionally, the leak tightness of these joints was assessed using a He-leak detector.
          
    更多          
      leakage detector
    When required, the precision of the mass-spectrometric leakage detector should be specified in the detail specifications.
          
      leak detection instrument
    The leak detection instrument shall be calibrated before use on each day of its use.
          


    We have developed a method of locating leaks in buried oil pipelines, which is based on the use of radioactive tracers. A spherical detection instrument with the outer diameter of 110mm has been designed. The method is simple, economical and sensitive. It is possible for the instrument to find out a leak with the leak-rate not less than 2 litres per hour. At present the instrument is suitable for the buried oil pipelines with a diameter of.≥6 inches and a length of≤5 kilometres. So far there are six leaks have...

    We have developed a method of locating leaks in buried oil pipelines, which is based on the use of radioactive tracers. A spherical detection instrument with the outer diameter of 110mm has been designed. The method is simple, economical and sensitive. It is possible for the instrument to find out a leak with the leak-rate not less than 2 litres per hour. At present the instrument is suitable for the buried oil pipelines with a diameter of.≥6 inches and a length of≤5 kilometres. So far there are six leaks have been accurately located in four different field tests.

    本文介绍地下油管放射性示踪检漏方法及φ110mm球形检漏仪。这种检漏方法具有简便、经济、灵敏度高等特点,能探测到漏油率为每小时两升的漏洞。目前,φ110mm球形检漏仪适用于直径为六英寸、长度为五公里以内的地下输油管道的检漏。已经在四个现场准确地找到六个漏洞部位。

    In this paper we have make theoretical count for the partial pressure sensitivity in atomsphereusing using the sniff probe method in a helium msas spectrometer leak dctcctor and the theoretical analysis in under the leakage case of the simulation micro-leak on thc pressurized chamber in atomsphere. This leakage reveals sub-molecule flow state. The measurmenets show that when the sniff probe is equiped with a JLH-1 or HZJ-1 helium massspeetrometer Ieakddetector, its effetive dctectivity is 10~(-7) TL/sec if it...

    In this paper we have make theoretical count for the partial pressure sensitivity in atomsphereusing using the sniff probe method in a helium msas spectrometer leak dctcctor and the theoretical analysis in under the leakage case of the simulation micro-leak on thc pressurized chamber in atomsphere. This leakage reveals sub-molecule flow state. The measurmenets show that when the sniff probe is equiped with a JLH-1 or HZJ-1 helium massspeetrometer Ieakddetector, its effetive dctectivity is 10~(-7) TL/sec if it is fit with a ZLS-23 helium mass spectrometer lcak dctector, its effective dctcctivity can be counted as 10~(-9) TL/sec. Simultancously the relation of rcmovd speed in detection to sensitivity is measured. In addition, the probability in using this method to detect largcr chamber is given.

    本文对氦质谱检漏仪的嗅敏探枪法在大气中的分压灵敏度进行了理论计算并对加压容器上的模拟微小漏孔在大气中的泄漏情况进行了理论分析,实验证明呈准分子流状态。实测结果表明,当使用JLH—1或HZJ—1型氦质谱漏仪探测时,其有效最小可检漏率为10~(-7)托·升/秒;如果用ZLS—23型氦质谱检漏仪,可以算出其有效最小可检漏率为10~(-9)托·升/秒。同时还实测了移动式探测速度与灵敏度的关系。指出了上述方法检验大型容器的可能性。

    This paper describes summarily the apparatus and application for leak detecting using so called dynamic accumulating method gives the calculation formula of supersmall leakage. It is proven that more than two orders of magnitude of the smallest detectable leakage can be reduced. The basic principle of this method is using accumulation of helium in the detected volume and helium selectivity of detectors. This method is good valuable in practice specially for ceramic-metal sealed parts or other kind of ours with...

    This paper describes summarily the apparatus and application for leak detecting using so called dynamic accumulating method gives the calculation formula of supersmall leakage. It is proven that more than two orders of magnitude of the smallest detectable leakage can be reduced. The basic principle of this method is using accumulation of helium in the detected volume and helium selectivity of detectors. This method is good valuable in practice specially for ceramic-metal sealed parts or other kind of ours with supersmall leakage. Practice showns this method not only augment leak detecting sensitity but also reliability of determining leaking places and amount.

    文中概述了动态累积法检漏的装置和应用,给出了这种方法检测微小漏孔漏量值的计算公式;并进一步证明了应用这种检漏方法可以使仪器的最小可检量提高两个数量级以上。这种检漏方法的基本原理是利用了氦气在试件内的“累积”和检漏仪对氦气的“选择性”。应用动态累积法检漏,对陶瓷-金属封接件以及同类型的微小漏孔和渗漏的零、部件来说,提供了良好的检测手段。实践证明,这种方法不但检漏灵敏度高;而且还能够可靠地确定漏孔的漏量和部位,从而提高了密封器件的真空密封性能。因此,对检测微小漏孔很有实用价值。

     
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