Hydroxypropylguar gum and other organic additives are the predominant components of fracturing fluidrecovery, which have excessive CODCr, the most important polluting characteristic of the sewage.
压裂返排液的主要成分是羟丙基胍胶及其它的有机添加剂，具有COD严重超标的污染特征。
2
These fractures play an important role in controlling fluid flow and recovery.
这些裂缝在控制流体流动和采收率方面发挥重要作用。
3
Objective To study the appraising value of fluid attenuated inversion recovery (FLAIR) in the progression of cerebral infarction.