在此条件下正丁酸的转化率在80%以上。
以硫酸镓为催化剂,正丁酸和异丁醇为原料合成了丁酸异丁酯。
Isobutyl butyrate was synthesized by using gallium sulphate as the catalyst.
以自制的硅胶固载硫酸镓为催化剂,正丁酸和异戊醇为原料合成了丁酸异戊酯。
Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst.
脯氨酸通过同(S)-酒石酸形成复盐,在正丁酸溶剂中以正丁醛作催化剂进行不对称转换。
The asymmetric transformation of L-proline via formation of salt with (S)-tartaric acid was carried out by using butanal as a catalyst for epimerization in butanoic acid.
消旋速率因羧酸溶剂的不同而异:L-组氨酸在乙酸溶剂中消旋最快,而L-脯氨酸在正丁酸溶剂中最快。
The rate constant of racemization of L-Pro increased with decreasing acidity of the carboxylic acid. However, the racemization of L-His was most rapid in acetic acid.
目的以正丁酸钠为平行对照,比较观察鲎素和癌细胞诱导分化物对人胃癌细胞形态与超微结构变化的影响。
Objective To compare the morphology and ultrastructure changes of human gastric adenocarcinoma cell line treated by tachyplesin and n-sodium butyrate.
目的以正丁酸钠为平行对照,比较观察鲎素和癌细胞诱导分化物对人胃癌细胞形态与超微结构变化的影响。
Objective To compare the morphology and ultrastructure changes of human gastric adenocarcinoma cell line treated by tachyplesin and n-sodium butyrate.
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