A chromatographic method for determining optical purity of fungicide , N acylalanines was reported.

报道了旋光性N-酰基丙氨酸类杀菌剂光学纯度的色谱分析方法.

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The optical purity of cis - R ( + ) - and cis - S ( - ) - DCCA was 93.7 % and 81.8 % , respectively.

顺式 -R ( + ) - 和顺式 -S ( - ) - 二氯菊酸光学纯度分别为93.7%、81.8%.

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The invention relates to a high optical purity toughened copolymer film or coating.

本发明涉及一种光学纯度高的、增韧共聚物膜或涂层.

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