常見例句The generally recognized high permeability materials are PVDC , EVOH and PAN. 一般公認(rèn)的高滲透性材料聚二氯乙烯, EVOH的潘。High permeability materials made of PVDC , PA , EVOH have excellent transparency. 高滲透性材料制成的聚二氯乙烯,美國賓夕法尼亞, EVOH的具有優(yōu)良的透明度。While for water vapor permeability, EVOH is better than PVDC and PVDC is better than PAN. 而透溼, EVOH的優(yōu)於聚二氯乙烯和聚二氯乙烯優(yōu)於潘。The melting,physical mechanical and the rheological properties of ethylene-ethenol(EVOH) were studied. 研究了乙烯-乙烯醇共聚物(EVOH)的熱熔融性能、物理機(jī)械性能以及加工流變性能。In aspects of oxygen permeability, EVOH is better than PVDC and PVDC is better than PAN. 方麪的透氧, EVOH的優(yōu)於聚二氯乙烯和聚二氯乙烯優(yōu)於潘。Our country still is in research phase at present, have not realize EVOH resinous homebred change. 我國目前仍処於研究堦段 ,尚未實(shí)現(xiàn)EVOH樹脂的國産化。 返回 EVOH