在乳化聚合法制纳米粒的过程中,防止相分离以后的纳米粒聚集的物质是
A.胶束
B.乳滴
C.乳化剂
D.有机溶剂
E.水溶液
参考答案:C
The right to food is a universal right. It means that every person -- man and woman, young and old -- must have access at all times to food, or to means for the procurement of food, that is sufficient in quality, quantity and variety to meet their needs, is free from harmful substances and is acceptable to their culture.
TD-SCDMA室内覆盖天线部署以“多天线、小功率”为原则。