根据煤灰化学成分分析结果，参照矿物标准成分推算各矿物相在煤灰中的含量。

Based on the results of chemical analysis of the coal ash, with reference to the standard composition of minerals the content of various mineral phases in the coal ash has been determined.

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饮食业油烟样品分析必须使用食用标准油，使用矿物标准油将产生较大分析误差。

The analysis of oil smoke from dietary industry must use the cooking standard oil. The use of mineral standard oil will bring analytic error.

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饮食业油烟样品分析必须使用食用标准油，使用矿物标准油将产生较大分析误差。

The analysis of oil smoke from dietary industry must use the cooking standard oil.

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