运行实践证明，铝钙双碱法比钠钙双碱法更顺行。
It has proved by practice that Al-Ca double alkali method is more direct than Na-Ca double alkali method.
结合工程的具体情况，阐述了采用双碱法脱硫工艺的优点。
Advantages of adopting the double sodium-calcium are also presented in the light of actual condition of the project.
介绍用碱标准溶液直接测定双甘膦生产中回收混合溶液中盐酸与亚磷酸含量的双指示剂法。
Double-tracer technique was used to determine chlorhydric acid and phosphorous acid in the recovered solution of glycine, N-(canboxymethyl)-N-(phosphoromethyl).
应用推荐