Freeze-dried emulsion can be made through freeze drying after adding freeze-dried protecting agent into the emulsion.
可在乳剂中加入冻干保护剂后冷冻干燥制成冻干乳剂。
HPMC solution has the function of surface activity, which can be used as colloid protecting agent, emulsifying agent and dispersant.
HPMC水溶液具有表面活性功能，可作为胶体保护剂，乳化剂和分散剂。
Oil soluble temporary plugging agent DGZ is a novel multiple functions reservoir protecting agent developed based on temporary shielding plugging theory.
DGZ油溶性暂堵剂是根据屏蔽暂堵原理开发的一种新型多功能油层保护剂。
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