Preferred cationic sequestrants are quaternary nitrogen compounds including medium or long chain alkyl groups.
首选季铵盐阳离子螯合剂的氮化合物，包括中型或长链烷基。
The study on the alignment film for high pretilt angle liquid crystal display was reported. The alignment film was based on polyimides containing long main chain alkyl groups.
报道了用于高预倾角液晶显示器的定向膜材料的研究，这类定向膜材料由主链含长烷基链的聚酰亚胺组成。
The study on the alignment film for high pretilt angle liquid crystal display was reported. The alignment film was based on polyimides containing long main chain alkyl groups.
报道了用于高预倾角液晶显示器的定向膜材料的研究，这类定向膜材料由主链含长烷基链的聚酰亚胺组成。
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