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A liquid chromatograph - mass spectrometric method for the determination of sodium cyclamate in food had been established.
建立了食品中甜蜜素的液相色谱 - 串联质谱测定方法,研究了不同提取溶剂的影响.
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A new mass spectrometric method for determining hydrocarbon types in diesel was developed.
介绍一种快速测定柴油烃类组成的方法.
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