n n-dimethylformamide dmf 二甲基甲酰胺
The extraction results showed that among the solvents, n, N-dimethylformamide (DMF) was better than dimethyl sulfoxide, ethyl cyanide and methanol.
试验发现，溶剂n, N -二甲基甲酰胺(DMF)的萃取效果优于二甲亚砜、乙腈及甲醇。
Glycerin monostearate was prepared by using n, N-dimethylformamide (DMF) as solvent.
以n, N -二甲基甲酰胺为溶剂合成单硬脂酸甘油酯。
In the paper primary conditions of electrolytical synthesis of ferrocene were studies in this system, 0.5m NaBr used as supporting electrolyte, N. N-dimethylformamide (DMF) as solvent.
本文研究了以0.5 M溴化钠为支持电解质、N, N—二甲基甲酰胺(DMF)为溶剂的体系中电解法合成二茂铁的主要条件。
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