The reason is that the effect of the water treatment agent is not well.
究其原因，所用净水剂效果不够理想。
Polyepoxysuccinic acid (PESA) is a kind new biodegradable water treatment agent.
聚环氧琥珀酸(PESA)是一种新型的可生物降解的水处理化学品。
Polymeric ferric salt flocculants are a kind of high efficient water treatment agent.
高分子铁盐混凝剂是一类高效水处理剂，也是较广泛应用的絮凝剂。
Polyaspartic acid is a new type of highly biodegradable and environmental friendly water treatment agent.
前言：聚天冬氨酸具有高生物可降解性，是一种“环境友好”的新型水处理剂。
This paper introduced the synthesis principle and performance evaluation of solid complex water treatment agent.
本文介绍了固态复方水处理剂的合成原理及其性能评定。
The treatment of waste dyeing water by high-efficient coagulating agent was studied.
采用高效混凝剂对印染废水处理进行了探讨。
The treatment of waste dyeing water by high-efficient coagulating agent was studied.
采用高效混凝剂对印染废水处理进行了探讨。
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