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.Especially , polyethylene glycol ( PEG ) on the main chain of the polyurethane can offer go...
Cruz had to scavenge information from newspapers and journals.克鲁兹不得不从报纸和杂志中搜寻信息。Koko lives in the Santa Cruz mountains, in a wooded spot overlooking Silicon Valley.科科生活在圣克鲁斯山区一片能俯瞰硅谷的密林中.AW: What was the training like in...
If her heart would only stop bumping and drumming and cavorting.要是她那颗心停止冲撞、轰鸣、急跳,那该多舒服啊!Stop cavorting around and sIt'still, just for five minutes!别欢蹦乱跳的,坐好了, 就五分钟!He would consider such cavorting by his son Freddie...