Through nitrosation , hydrogenate reducion, and acylate three steps, the yield surpass 80 % for the diethyl malonate.
收率相对于丙二酸二乙酯达到了80%以上.
Synthesis of one carbon atom compound by hydrogenate of CO_2 under gas-solid photocatalysis in normal temperature and pressure
常温常压气-固光催化CO2加氢合成一碳化合物的研究
By the thin-tubesheet heat exchanger ( E103) many working loads stress test of the isobutyraldehyde hydrogenate plant of Jilin Chemical Industry Co. its stress state is obtained.
通过对吉化公司异丁醛加氢装置中一台薄管板换热器(E103)多工况的应力测试,得到了它的应力状态。
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