...ethylene and chlorotetrafluoroethylene 乙烯一氯四氟乙烯共聚物 EVA Ethylene Vinyl Acetate copolymer 乙烯-醋酸乙烯共聚物 EVOH Ethylene-Vinyl alcohol copolymer 乙烯-乙烯醇共聚物 ..
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Using Changqing and Qinghai waxy crude oils as research objects, the depressive effects of ethylene-vinyl acetate (EVA) copolymer pour point depressant on the waxy crude oils were studied.
以长庆、青海含蜡原油为研究对象，考察乙烯-醋酸乙烯酯共聚物(简称EVA)降凝剂对含蜡原油的降凝效果。
Furthermore, ethylene vinyl acetate copolymer (EVA) with different contents of vinyl acetate was mixed with MPE to analyze the different impacts on mechanical properties of MPE.
同时还比较了两种不同醋酸乙烯基(VA)含量的乙烯醋酸乙烯共聚物(EVA)对MPE的力学性能的影响。
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