This preparation uses dialkyl imidazole salt, alkyl pyridine salt or caprolactam and fatty acid as reactant.该方法使用带有二烷基咪唑盐 、 烷基吡啶盐或者己内酰胺和脂肪酸作为反应物.Thus the term dialkyl carbonate includes, for example, methyl ethyl carbona...
He embarrasses discussion of the simplest subject by use of the difficult technical terms.他用难懂的专门字眼使最简单的题目讨论复杂化了.To accept ( these sumptuous gifts ) embarrasses me , but to refuse them would be unmannerly.却之不恭,受之有愧.Sex i...
Aggregation theory is concerned with the transition from micro - to macro - models.总量理论是研究从微观模型到 宏观 模型过渡的理论.Methods: The changes of blood viscosity, haematocrit, platelet aggregation and fibrinolytic activity the treatme...