选出关于仿生制备法描述正确的有()
A. 表面活性剂分子,头部基团越小,形成胶束的聚集数越大
B. 反相胶束中加入油相组分能增加胶束尺寸
C. 微乳液比乳液的助乳化剂量用量多,稳定性差
D. 水溶液中加入羧酸能导致溶液中表面张力增加
选出关于表面活性剂堆积参数描述不正确的是()
A. 0.33
B. P>0.33易形成球形胶束
C. P>1不能得到介孔结构
D. P=1 易得到层状结构
Please answer the question ____.
A. I asked the ETO to replace the relay but he was unwilling to do it
B. I tried to replace the replay but failed
C. I asked the ETO to help me replace the relay
D. The ETO failed to replace the relay
Please answer the question ____.
A change-over handle can be used to change the control position
B. The change of control position can be achieved on the control console
C. The remote control system provides the function of changing the control position
D. The change-over handle id fitted on the distributed control panel
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