The hydrophobicity is related to molecular volume and polarity.分子的疏水性跟分子的体积和极性有关.The grafted membranes had good hydrophilicity compared with the hydrophobicity of base film.从各个角度对膜的亲水性能作了定量研究,提出了水合数与表面自由能的计算方法.SVI was di...
Aluminum is made from bauxite.铝是从铝土矿中提炼出的.The seven leading bauxite exporters formed the International Bauxite Association.七个主要的铝矾土出口国组成国际铝矾土协会.Industry: petroleum, diamonds, iron ore, phosphates, feldspar, bauxite, uran...
"Would you," he asked diffidently, "like to talk to me about it?"“你想跟我说说这件事吗？”他怯怯地问道。Victor Henry diffidently named three well - known rear admirals.维克多·亨利迟疑不决地提了三个有名气的海军少将.She followed him diffidently through the clatte...
由二苯并-1,3-二氧杂 - 环辛烷 -2- 羧酸经两步反应制得, 总收率70%.It was prepared by the reaction of 12 H - dibenzo [ d , g ] [ 1,3 ] dioxocin - 6 - carboxylic acid with acetoxime....