本文叙述了一台实验用的扇形磁质谱计。
In this paper a magnetic sector mass spectrometer for experiments is described.
检测方法：离子阱质谱计。
分压强质谱计校准装置用于质谱计的校准。
A novel system used to calibrate partial pressure mass spectrometer was developed.
用四极质谱计来测量放电前后杂质的变化。
A quadrupole mass spectrometer is used to measure the changes in impurities before and after the discharge.
质谱计的优点之一是它能记录少量物质的质谱。
One of the advantages of the mass spectrometer is that it can record spectra from small quantities of substance.
分压力质谱计的校准是一个没有完全解决的难题。
The calibration of mass spectrometers for partial pressure remains a problem which has not been solved completely yet.
该理论原则上也适用于其它类型质谱计的离子源。
This theory is also applicable to the ion sources used in other mass spectrometers.
它对四极质谱计的用户如何保养仪器有重要的参考价值。
This is of worthy of a paper for user of QMS, it was shown how maintain instrument.
该系统配置简单、工作稳定、成本低、与质谱计连结方便。
This data system possesses advantages of being simple, low-cost, stable and convenient to be with quadrupole spectrometer.
概述超灵敏小型回旋加速器质谱计的技术特性和设计准则；
The peculiar features and criteria of the design of the mini cyclotron as AMS are listed.
四极质谱计在真空技术中可用来测量分压强，从事物质成分的分析。
Quadrupole mass spectrometer can be used in measuring pressure of dividing and analysis composition of material.
结果表明质谱计动态法所得结果与许多基本文献提供的数据是一致的。
It shows that the result obtained by the dynamic method of mass spectrometer is uniform with the datum given by many references.
还对最新的四种分压力质谱计推荐校准方法及相应的校准装置做了描述。
The latest four recommended methods to calibrate mass spectrometers and the corresponding apparatuses are also described.
本文叙述了各种开管方法、专用装置以及气体的引出和向质谱计管的输送。
The methods of various openning-tube, specific opener, exhausting gases, and it is delivery to mass-spectrometer are briefly described in this paper.
而且以MAT - CH_5质谱计测量氧同位素比时的本底校正作为例子。
Furthermore, the background correction during the oxygen isotope ratio measurement with MAT-CH5 mass spectrometer was chosen as an example.
介绍了用低分辨MAT253质谱计准确测量氢-氘体系中氘丰度的分析技术。
An analyzing method is introduced for accurate measurement of deuterium abundance in the hydrogen-deuterium system by low resolution MAT253 mass spectrometer.
由于质谱计特殊的结构及工作原理，使得质谱计的灯丝必须在高真空环境中工作。
Mass spectrometer must be operated under a high vacuum environment because of its particular conformation and operation principle.
离子阱质谱计及相关技术的研究一直是原子分子物理、生物和化学领域的前沿课题。
The study of the ion trap mass spectrometry and its correlative technology has been the advanced topics of those fields, such as, atom and molecular physics, biology and chemistry.
介绍了采用碳化铬硬质合金制作质谱计和表面分析仪器中的双曲面玻璃管的成形模具。
The present paper has described the die made by chromium car - bide for forming mass spectrometer needle and double curved surface glass tube in surface analyzing instrument.
按该理论设计的质谱计，灵敏度提高了2 ~3个数量级，分辨能力也有显著改善。
The sensitivity of a mass spectrometer designed according to this theory is raised "by 2 ~ 3 orders of magnitude, and the resolution is improved remarkably."
文中叙述了以气体分析质谱计作指示器，动态法测量渗透率的原理，实验装置与测量结果。
In this paper, it is described the principle of penetration rate measured by dynamic method, experiment set-up and the measured result, the gas mass spectrometer was taken as indicator.
对于在航天领域应用的四极质谱计除了对性能的要求之外，其体积和重量也是不容忽视的重要指标。
Quadrupole mass spectrometer's volume, weight and performance are the most important facts applying in space field.
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.
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.
文中给出了四极质谱计在火箭试验及发射时的应用实例，并提出航天器泄漏监测技术的发展趋势和监测设备的方向。
A quadrupole mass spectrometer used during launch vehicle testing and launching is given, and the trend of spacecraft leak monitoring technique and equipment is raised.
本文报道一种由电子轰击型离子源、扇形磁分析器与法拉第筒式离子检测器组成的小型质谱计，介绍其设计参数、结构与性能。
This paper report the design parameters, construction and specificity of a small magnetic mass spectrometer with an EI ion source, a sector magnetic analyser and a Faraday cup ion detector.
在漏孔校准过程中，通过调节稳压室中的压力，很容易使标准气体流量与漏孔漏率非常接近或相等，从而避免四极质谱计的非线性影响。
In calibrating the leak, the pressure in the ballast chamber can be precisely controlled in such a way that the standard gas flow through the orifice is close or equal to the leak rate.
介绍了近年来国内外用加速器质谱计在环境科学方面的研究工作，包括测量城市空气污染、监测来自核设施的泄漏和有关全球环境变化的测定。
Some important work worldwide in environmental science, like urban air pollution, discharges of radioactive wastes from nuclear plants, and global climate change were introduced.
其分离要求根据系统、样品和质谱分光光度计的不同而变化。
Their separation requirements vary depending on their system, sample, and their mass spectrophotometer.
其分离要求根据系统、样品和质谱分光光度计的不同而变化。
Their separation requirements vary depending on their system, sample, and their mass spectrophotometer.
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