The purified rice amylose and amylopectins were obtained by n - butanol recrystallization method.

采用正丁醇反复结晶法分离得到的直链淀粉和支链淀粉有较高的纯度.

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Methods Three different concentrations of the n - butanol extract of MOH ( BEM ) : 0.038 g · L ~ ( - 1 ), 0.11 g · L ~ ( - 1 ) and 0.34 g · L ~ ( - 1 ) were prepared.

巴戟天醇提取物 ( BEM ) 配成含生药0.038g·L~ ( -1)、0.11g·L~ ( -1 ) 、 0.34g·L~ ( -1 ) 三种浓度药液.

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The added n - butanol facilitates the formation of F 127 micelles and makes the CMT of F 127 solutions decrease.

正丁醇的加入有利于F127单体分子聚集形成胶束,使得F127溶液的CMT降低.

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Synthesis of n - butyl chloro acetateacid and n - butanol in the presence of stannic chloride pentahydrate was studied.

在五水四氯化锡存在下,由氯乙酸和正丁醇合成氯乙酸正丁酯.

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Portions of petroleum ether, n - butanol and water extracted from LEEs was much weaker on anticoagulant activity.

石油醚部位 、 正丁醇部位、水部位也有较弱抗凝活性.

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Objective Using n - butanol with anhydrous alcohol asdose of buildup dehydration to make the fine pathology section.

目的:运用正丁醇与无水乙醇组织脱水制作优质的病理切片.

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