本文采用化学当量法研究了季铵树脂在组成接近铀水冶条件的硫酸铀酰-硫酸钠溶液中的吸附平衡。

Adsorption equilibrium on quaternary ammonium resin in uranyl sulphate solution, which is similar to composition used in uranium hydrometallurgy, was studied by chemical equivalent method.

youdao

用容量法进行分析时，需要使用一些指示化学当量终点的方法。

Analysis by volumetric procedures requires that some method of indicating the stoichiometric end point be employed.

youdao

研究分析了天然气再燃效果的影响因素：包括天然气投入的比例、空气的化学当量比、再燃区的温度、烟气在再燃区的停留时间等。

The factors that impact the reburning effectiveness are analyzed, such as the natural gas percentage of boiler heat input, air stoichiometry, reburn zone temperature and residence time etc.

youdao