The high density polyethylene membrane (HDPE) as impermeable liner in landfill construction is widely used recently in our country.
近年来，我国填埋场普遍采用高密度聚乙烯膜（HDPE）作为防渗层。
OBJECTIVE: to observe the effect of polyethylene membrane plasma separator and membrane plasma separator in the treatment of hyperlipidemia.
目的：观察聚乙烯膜型血浆分离器和模式血浆成分分离器治疗高脂血症的效果。
At first, we produced the polyethylene microporous hollow fiber membrane by ascending melting filature and made micropore by drawing.
首先，用向上熔融纺丝和拉伸致孔法制得聚乙烯中空纤维膜。
A great quantity of polyethylene, metallic and cement wear debris were found in the interface membrane and macrophages and foreign? Body giant cells.
界膜中和异物巨细胞及巨噬细胞内有大量聚乙烯、骨水泥、金属磨屑。
For investigating the effect of a biofilm membrane biological reactor on removal of pollutants in domestic sewage, polyethylene suspended filler was added into the membrane biological reactor (MBR).
在膜生物反应器中投加聚乙烯悬浮填料，考察生物膜—膜生物反应器对生活污水中污染物质去除效果。
As the improvement of the invention, the raw material of the plastic membrane also comprises 10 to 25 weight portions of metallocene catalyst for liner low density polyethylene.
作为本发明的改进，所述塑料薄膜的原料还包括按重量计的10 ~25份用于线性低密度聚乙烯的茂金属催化剂。
The invention relates to a strengthened polyethylene imine fixed carrier composite membrane for separating acid gas and a preparation method thereof.
本发明涉及一种用于分离酸性气体的强化聚乙烯胺固定载体复合膜及其制备方法。
The experimental result that the best membrane is polyethylene which the thickness is better than another and has bleeder vent.
实验结果表明，厚度最高且带有一定透气孔的聚乙烯薄膜最好。
A polytetrafluoroethylene porous membrane or ultrahigh-molecular-weight polyethylene porous membrane can appropriately be used as the waterproof sound passing membrane (1).
防水透声膜(1)优选使用聚四氟乙烯多孔膜或超高分子量聚乙烯多孔膜。
A polytetrafluoroethylene porous membrane or ultrahigh-molecular-weight polyethylene porous membrane can appropriately be used as the waterproof sound passing membrane (1).
防水透声膜(1)优选使用聚四氟乙烯多孔膜或超高分子量聚乙烯多孔膜。
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