In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,氯苯代替
水乙醚合成铜铁试剂的新工艺。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸丁酯,氯苯代替
水乙醚合成铜铁试剂的新工艺。
Learning German will stand her in good stead when she goes to work in the export department.
等她到出口部工作的时候,学德语会对她十分有
。
The analytical solutions for the stead state equations of four wave mixing with an arbitrary complex coupling constant are given without the undepleted pump approximation.
泵浦非耗竭近似下,给出了复耦合系数为任意值时稳态四波混频耦合波方程
的解析解。
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