... quaternary carbon atom 季碳原子... quaternary cationics 季盐阳离子表面活性剂;季铵盐阳离子表面活... quaternary code 四进制码...
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quaternary cationics type demulsifier 季胺盐阳离子型破乳剂
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Oil displacement mechanism of quaternary cationics has been studied in several ways: surface and interface tension, wettability, surface electrical behavior.
研究了季铵盐型表面活性剂的驱油机理：表面张力和界面张力、表面润湿性、表面电性。
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Cationics are usually quaternary ammonium salts.
阳离子表面活性剂通常为季铵盐类。
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