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polyamide (pa)中文是什么意思

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用"polyamide (pa)"造句"polyamide (pa)"怎么读"polyamide (pa)" in a sentence

中文翻译手机手机版

  • 聚醯胺;尼龙
  • 尼龙

例句与用法

  • The present work indicates the organic nf membranes and the inorganic nf membranes all have shortages , so develop composite nf membranes that have low cost , mechanically strong and thermally / chemically - resistant , easy to cleanout and good performances is a very important task . in this paper , the preparation of inorganic - organic composite nf membranes were presented . this composite comprise a porous sio2 / al2o3 support substrate , the pore diameters of which ranging from 10 to 15 nm , this inorganic support substrate having a polymer membrane which comprises an polyvinyl alcohol ( pva ) or polyamide ( pa ) densely deposited on at least one of the face surfaces thereof , the structural porosity of such pva and pa membrane ranging from 3 to 5 nm
    本论文以开发无机?有机复合纳滤膜为出发点,首先在al _ 2o _ 3多孔微滤膜上利用溶胶?凝胶法制备sio _ 2 al _ 2o _ 3无机复合超滤膜作为无机?有机复合纳滤膜的基膜;选用聚乙烯醇和聚酰胺为表面功能层材料,分别探讨了以羟基丁二酸和磺基水杨酸为混合交联剂,采用浸涂法制备了聚乙烯醇sio _ 2 ? al _ 2o _ 3复合纳滤膜;以均苯二甲酰氯、哌嗪和二胺为单体,采用界面聚合法制备了聚酰胺sio _ 2 ? al _ 2o _ 3复合纳滤膜,并对影响膜性能的诸多因素进行系统研究。
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