data selection and modification [计] 数据选择与修改
According to four typical cases, we give the rules for selection and modification of decay parameters to get the best fit.
文中根据四种典型情况，给出了如何合理地选取和修正各个衰减参量的规则，以迅速获得双指数衰减的最佳拟合。
Effective measures are recommended to control the naphthenic acid corrosion of the pipe, including selection of corrosion-resistant 316 or 316l steels and modification of tee construction.
并提出了减缓阻垢剂进料管环烷酸腐蚀的措施，主要包括选用更耐蚀的316或316l材质以及改进三通结构等。
Some opinions about its design optimization, such as addition of settler, pipe number determination, material selection, design of pipe distance and modification of cyclones etc., were presented.
对如何优化其设计，包括增配沉降室、管数的科学确定、材质的选择、管距的设计及旋风体的改造，提出了建议。
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