1)  Two-step DNA synthesis method
Two-step DNA synthesis method
2)  two-step DNA synthesis
two-step DNA synthesis
3)  two-step synthesis method
两步合成法
1.
An emphasis is laid on the mechanism in two-step synthesis method.
综述了纤维TiO2的新的制备技术,对溶胶-凝胶法、两步合成法及水热法制备纤维TiO2进行了比较。
4)  two-step synthesis
二步法合成
5)  two step synthesis
两步法合成
1.
The two step synthesis of stearic acid diethanolamide gives the product as pure as the product of ester exchanging method.
硬脂酸与二乙醇胺两步法合成硬脂酸二乙醇酰胺 ,通过条件优化实验找到了较佳合成工艺。
6)  two-step method
两步法
1.
Measurement of encoder errors with two-step method;
两步法测量编码器测角误差
2.
The "two-step method" in-line descaling rinsing technology for the circulation cooling water system of blast furnace was presented.
介绍采用“两步法”处理高炉循环冷却水系统的在线(不停车)除垢清洗技术。
3.
A(D)C blowing agent was prepared with raw material of hydrazine hydrate,urea,sulphuric acid and chlorine through two-step method,i.
以水合肼、尿素、硫酸、氯气为主要原料,采用缩合反应和氧化反应两步法制备微细A(D)C发泡剂。
参考词条
补充资料:Riehm substituted qunoline synthesis
分子式:
CAS号:

性质:芳胺盐酸盐和甲基酮经长时间(数天)加热可形成2,4-二取代的喹啉衍生物,产物往往是两种可能的异构体的混合物:三氯化铝和五氯化磷可用作本反应的催化剂。由于反应条件苛刻,本反应的实际应用范围受到限制。

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