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).
针对以上的问题，首次采用三室双阳膜电解和双极膜电渗析法处理了低浓so_2钠碱吸收液。
Aimed at the problems above, the three-compartment cation selective membrane electrolysis and dipolar membrane electrodialysis technique are used to deal with the dilute SO2 absorbed solution.
摘要：通过对枸杞子样品提取、脱色时间等前处理条件的优化，建立不同来源枸杞子中甜菜碱含量测定的双波长薄层扫描法(TLCS法)。
Abstract: in this study, a thin layer chromatography scanning (TLCS) method was developed for the determination of betaine contents in Fructus Lycii from different origins.
摘要：通过对枸杞子样品提取、脱色时间等前处理条件的优化，建立不同来源枸杞子中甜菜碱含量测定的双波长薄层扫描法(TLCS法)。
Abstract: in this study, a thin layer chromatography scanning (TLCS) method was developed for the determination of betaine contents in Fructus Lycii from different origins.
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