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北京石油化工学院2026年研究生招生接收调剂公告
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Samples are analyzed in a set referred to as an analysis sequence.  The sequence begins with calibration verification followed by sample extract analyses. Additional analyses of the verification standard(s) throughout a 12-hour shift are strongly recommended, especially for samples that contain visible concentrations of oily material.  A verification standard is also necessary at the end of a set (unless internal standard calibration is used). The sequence ends when the set of samples has been injected or when retention time and/or % difference QC criteria are exceeded.

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样品分析采用一套叫做分析顺序的方法。该顺序以标准核定开始,接着是抽样分析。以后的核定标准分析强烈推荐以12小时轮班进行,特别是对于那些有明显油性物质的样品。在一套分析的最后也需要核定标准(除非采用内标校准)。在注入完一组样品或超过滞留时间和/或质控标准百分误差时结束该顺序。
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