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.

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。

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A doubly achromatic magnetic deflection system with three sector magnet is described.

描述了一个三扇形磁铁消色差磁偏转系统。

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The axial third order aberration coefficients of an inhomogeneous magnetic sector field are derived for the first time.

首次推导出了非均匀扇形磁场的轴向三阶象差系数。

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So goes their apparent logic that even if their engineers had considered the potential for a magnetic attack they dismissed it because no magnets were available, at least to the private sector, to accomplish such a bypass.

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