Regardless of the method of analysis, system suitability criteria should be described. Blank and standard solution spectra or chromatograms should be included.

无论是用什么分析方法，都应当要有系统适应性实验，并要有相应的合格标准。还应当要有空白溶液和标准溶液的光谱或色谱图。

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Regarding the extremely thin coal bed coal and the gas prominentpossibility analysis, in formerly practiced was a blank, therefore inthe production process knew and took the degree to be insufficient.

对于极薄煤层煤与瓦斯的突出可能性分析，在以往实践中是个空白，所以在生产过程中认识和重视程度不够。

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Verified by responsibility analysis, blank experiment test and recovery percentage of standard samples, the accuracy and linearity of the two methods were evaluated.

通过曲线分析，空白实验，加标回收率分析，证明两种方法有良好的线性与准确性；

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