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JA750型等离子体光谱仪测控系统的计算机换型、从PDP-8A→IBM PC 286→通用微机,解决了专用计算机维修换件难的问题,保证了仪器正常运转,延长了该仪器使用寿命;操作系统升级,从PDP-8A机器语言→DOS操作系统→Windows操作系统,解决了原机器语言操作系统功能落后的问题。该文对仪器改造前后的功能及技术指标进行了对比,并利用改造后的等离子体光谱仪进行了矿产勘查样品测试方法的研究,经国家一级标准物质(GBW)分析验证,该方法测量相对误差和相对标准偏差均在标准要求范围内,为矿产勘查样品系统,快速、大批量样品分析提供一种有效手段。
JA750 plasma spectrometer measurement and control system for computer replacement, from the PDP-8A → IBM PC 286 → general-purpose microcomputer, to solve the problem of special computer repair parts to ensure the normal operation of the instrument to extend the life of the instrument; operating system Upgrade, from the PDP-8A machine language → DOS operating system → Windows operating system, to solve the problem of backward function of the original machine language operating system. This paper compares the functions and technical indexes before and after the transformation of the instrument, and uses the modified plasma spectrometer to carry out the research on the method of mineral exploration sample testing. The method is verified by GBW analysis. The method measures the relative error And relative standard deviations are within the standard requirements for the mineral exploration sample system, rapid, high-volume sample analysis provides an effective means.