属于阳离子型表面活性剂的是() ["A.十二烷基硫酸钠","B.十二烷基苯磺酸钠","C.卵磷脂","D.氯苄烷铵","E.司盘80"]
属于两性离子型表面活性剂的是() ["A.十二烷基硫酸钠","B.十二烷基苯磺酸钠","C.卵磷脂","D.氯苄烷铵","E.司盘80"]
属于热力学稳定体系,药物扩散比较快的液体药剂是() ["A.真溶液","B.高分子溶液","C.溶胶","D.混悬液","E.乳状液"]
受光、热、空气或微生物等外界因素影响,乳剂中油或乳化剂产生变质的现象() ["A.分层","B.絮凝","C.转相","D.破裂","E.酸败"]
乳剂中分散相液滴聚集,但乳化膜存在,未出现液滴合并的现象() ["A.分层","B.絮凝","C.转相","D.破裂","E.酸败"]
石灰擦剂由石灰水与花生油组成,其制备方法是()