The yields of copolymer increase respectively with the rise of ultrasonic intensity, reaction time , temperature and the amount of an anion surfactant (SDS).
共聚产率随超声波强度、反应时间、反应环境温度和表面活性剂用量的增加而提高。
WPS is a new-typed water-soluble anion surfactant, and can be used as an oil-displacement agent for tertiary recovery.
WPS是一种新型的水溶性阴离子表面活性剂，可作为三次采油的驱油剂。
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