The betaine will collapse to the alkene only when these two functions are eclipsed.
只有當(dāng)這兩個基團(tuán)移至重迭位置時碘鹽才能裂解為烯烴.
辭典例句
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.
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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(yīng)用.
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Choline dehydrogenase ( CDH ) isolated from Escherichia coli, can help the expression of glycine betaine efficiently.
源于大腸桿菌(Escherichiacoli)的膽堿脫氫酶 ( cholinedehydrogenase, CDH ) 能有效催化甘氨酸甜菜堿的合成.
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