On the basis of studying the mechanism of sewage scaling and its softening treatment, the technique for water quality softprocess with sodium hydroxide precipitation method is determined.
在污水结垢机理和软化处理研究的基础上，确定了氢氧化钠沉淀法进行水质软化处理的工艺。
2
Rules of this nature tend to arise at analysis time within process models and require formalization to drive soft coded process flow (for example, BPEL) or application logic.