英语语法分析

It has been shown that proteins and enzymes can be bound covalently to freshly prepared magnetite in the presence of carbodiimide.

有研究显示，在碳化二亚胺的存在下，蛋白质和酶可以和新制备的磁体共价连接。

Methods for the modification of isocyanates include process of urethane, dimerization, trimerization, biuret, carbodiimide, and blocking reaction, etc.

异氰酸酯的改性方法包括氨酯改性、二聚改性、三聚改性、缩二脲改性、碳化二亚胺改性和封闭改性等。

Then, antigen was prepared by conjugation of hapten with carrier protein by carbodiimide (EDPC) method and was identified by UV spectroscopy and SDS-PAGE.

然后通过碳二亚胺法将半抗原与载体蛋白偶联制备人工抗原，采用紫外扫描及SDS - PAGE鉴定。