betaine造句
The
betaine will collapse to the alkene only when these two functions are eclipsed.
只有當這兩個基團移至重迭位置時碘鹽才能裂解為烯烴.
Ingredients: Purified water, Cucumber Extract, Hyaluronic Acid Myristic Acid, Cocoamidopropyl
Betaine.
主要成份: 維他命E, 玻尿酸,甘草, 小黃瓜萃取, 胺基酸, 左旋C磷酸鎂鹽.
The preparations, properties and its applications of
betaine amphoteric surfactants is discussed in the paper.
本文主要論述甜菜堿系兩性表面活性劑之制備 、 性能及其應用.