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.
给出了某些定量关系，为磁四极场用于高频离子源提供了实验依据。
Some quantitative relations are given, and experimental evidence is provided for the use of the magnetic quadrupole field in high frequency ion source.
给出了某些定量关系，为磁四极场用于高频离子源提供了实验依据。
Some quantitative relations are given, and experimental evidence is provided for the use of the magnetic quadrupole field in high frequency ion source.
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