Acylase I was immobilized on Y-type molecular sieve by using 4 kinds of methods, namely, adsorption, adsorption-crosslink, coupling and coupling-diazotization.
以Y型分子筛为载体，分别采用吸附法、吸附-戊二醛交联法、偶联法和偶联-重氮法4种方法对氨基酰化酶i进行固定化。
Ciba has developed a nitrite feed rate gauge system for controlling process of continuous diazotization by polar voltage method, and Hoechst has developed newly an equipment for continual coupling.
汽巴公司发明了用极性电压法控制连续重氮化过程中亚硝酸盐加入速度的探测系统，赫斯特公司发明了连续式偶合装置。
METHODS:This compound was synthesize by steps of ammonolysis, hydrogenize, diazotization and coupling from 4 nitrobenzoyl chloride.
方法：以对硝基苯甲酰氯为原料，经氨解、氢化、重氮化及偶合四步反应得到了巴柳氮。
METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.
方法以对硝基苯甲酰氯为起始原料，经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。
Disperse 104 was synthesized by a process starting from diazotization of 2-chrolo-4-nitroaniline, followed by coupling, reduction; and then re-diazotization and re-coupling.
以2 - 氯- 4 - 硝基苯胺为原料，先经过重氮化、偶合反应合成出对硝基偶氮苯，经还原后再进行重氮化与偶合反应制备出最终产品分散黄104 。
Disperse 104 was synthesized by a process starting from diazotization of 2-chrolo-4-nitroaniline, followed by coupling, reduction; and then re-diazotization and re-coupling.
以2 - 氯- 4 - 硝基苯胺为原料，先经过重氮化、偶合反应合成出对硝基偶氮苯，经还原后再进行重氮化与偶合反应制备出最终产品分散黄104 。
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