The medium pressure and EOR result from the alternate injection of gas and liquid. The consuming time of simultaneous injection is the shorter than that of alternate of gas and the liquid.

气体、表面活性剂与聚合物三种物质完全分开交替分段塞注入时压力升幅最小，耗时最长，采收率最小。

youdao

It is necessary to determine switchover time to simultaneous cold and hot leg safety injection during LOCA long-term core cooling.

在失水事故长期冷却过程中，必须确定安全注射系统从冷段注射切换到冷热段同时注射的切换时间。

youdao

The optimum temperature window for simultaneous removal of SO2 and NO, and the injection location of reducing agent were also proposed in this research.

该文还提出了同时脱硫脱硝的最佳温度范围和还原剂的加入位置。

youdao