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- The synthetic progress of quaternary ammonium salt cation active bactericide is introduced, and the relation between its structure and fungicidal effectiveness is studied. 介绍了季铵盐型阳离子活性杀菌剂的合成进展，研讨了它的结构与杀菌力的关系。
- To determine potassium in inorganic sample tetrapheny lboron sodium of surfeit wasreturn-titrated by cation activator cetyltrimethylammonium bromide with methyl orange as indica-tor. 本文提出了以甲基橙为指示剂，用阳离子活性剂十六烷基三甲基溴化铵返滴定过量的四苯硼化钠测定钾。
- cation active high-molecular electrolyte 阳离子活性高分子电解质
- The office has been humming with activity. 办公室一直忙着搞活动。
- The threat of war has depressed business activity. 战争的威胁使经济萧条。
- There has been a lot of activity in the town today. 今天市中心相当热闹。
- The town was humming with activity. 该市镇生气勃勃，呈现一片热闹的景象。
- Applying Cationic Activator in the Dyeing Process of Cotton Knits 阳离子活化剂在棉针织物染色中的应用
- Stamp collecting is my favorite activity. 集邮是我最喜爱的消遣。
- The store was a scene of great activity. 这家商店顾客盈门。
- He once engaged in anti-government activity. 他一度从事反政府的活动。
- The office is humming with activity. 办公室里一片忙碌。
- A center of interest or activity. 中心兴趣或活动的中心
- Showing no optical activity in polarized light. 无旋光的极化光下无光学反应的
- An increase, as in movement or business activity. 进步，改进，改善运动或商业活动的进步或兴隆
- Indulgence in or pursuit of sexual activity. 纵欲; 追求肉欲对性行为的放纵或追求
- The phenomena associated with volcanic activity. 火山现象与火山活动有关的现象
- Some of the cationic proteins are bactericidal. 一些阳离子蛋白质是能杀菌的。
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- A range of endeavor or activity; a province. 范围努力做 ... 的范围或活动范围; 范围
