The study which was conducted on Elemental Chlorine Free(ECF)and Totally Chlorine Free(TCF)bleached softwood pulps,showed that there were measurable fibre surface differences between bleached pul...

 
  • 貯藏后纖維的接觸角變大說(shuō)明可能是抽出物的遷移或木素從纖維壁中到了表面,也可能是纖維表面的組分發(fā)生了變化而變的更加疏水。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan