文章主要阐述了中性线的工况和各种不同接地系统中四极开关的应用及应用中需要注意的问题。
The paper mainly gives the work condition of neutral current, introduces application of four-pole switch in different grounding systems and problems to be noticed.
极涡是该区域四季存在、冬强夏弱、向上延伸至平流层下部的基本环流系统。
Polar vortex is a basic circulation system which exists in every season (strong in winter and weak in summer) and can extend to the lower level of stratosphere.
该系统的通用性强，性能价格比高，原则上可与各种国内外生产的四极质谱计联用，也可以脱机作为普通微机用。
The generality is high. In principle, it can be used to combine with the quadrupole mass spectrometer made at home and abroad, and as general microcomputer itself.
Q TRAP系统本质上是最好的三重四极杆，同时具有附加的和独特的能力。
The QTRAP systems are essentially the best triple quadrupoles available but with additional, unique capabilities.
利用该系统可以测量束流位置检测器的电中心相对相邻四极铁磁中心的位置偏移。
The system can be used to measure the offset of the beam position monitor (BPM) with respect to the magnetic center of a quadrupole.
利用该系统可以测量束流位置检测器的电中心相对相邻四极铁磁中心的位置偏移。
The system can be used to measure the offset of the beam position monitor (BPM) with respect to the magnetic center of a quadrupole. Some measurement results for HLS are given.
高真空系统残气分析对提高电真空器件的性能、质量和寿命具有重要作用。四极质谱计与微机联用是必然的趋势。
The application of the residual gases analysis in high vacuum system is very important for improving the performances, the quality and the working life of various vacuum electronic devices.
在储存环的束流传输系统中，斜四极场和纵向螺线管场是引起束流线性耦合的主要原因。
For the beam transport system in storage ring, linear coupling is mainly caused by skew quadrupole and longitudinal solenoid field.
介绍了集散控制系统在世界第四大超导托卡马克装置极向场控制系统中的应用。
The application of distribute control system (DCS) in poloidal field power supply of HT-7 superconducting tokamak device is described.
介绍了集散控制系统在世界第四大超导托卡马克装置极向场控制系统中的应用。
The application of distribute control system (DCS) in poloidal field power supply of HT-7 superconducting tokamak device is described.
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