如何在冷却水中控制磷酸钙垢已变得更为重要。
How to control calcium phosphate scale has become more important in cooling water systems.
近年来草酸钙的形成在制浆造纸工业中造成诸多问题，因此如何分析及控制漂白废液中的草酸浓度就显得尤为重要。
Analysis and control of oxalic acid in bleaching filtrates has recently gained considerable attention in the pulp and paper industry due to problems with the formation of calcium oxalate scaling.
近年来草酸钙的形成在制浆造纸工业中造成诸多问题，因此如何分析及控制漂白废液中的草酸浓度就显得尤为重要。
Analysis and control of oxalic acid in bleaching filtrates has recently gained considerable attention in the pulp and paper industry due to problems with the formation of calcium oxalate scaling.
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