另外材料的结晶度和熔点有了一定程度的提高.Also, the point and the degree of crystallization were increased.乙酰苯胺 、 己二酸和邻苯二甲酸氢钾可以使PVC结晶度增大.Acetanilide and hexane diacid, potassium hydrogen phthalate could improve PVC crystallinity.酯化反应使纤维素的结晶度...
比较不常见的浸蚀多聚物的化学浸蚀物有酸 、 碱.Less common reagents that attack polymers include acids, bases.简要介绍了磁性纳米颗粒 、 硅纳米 颗粒及阳离子多聚物颗粒等的研究进展.The magnetic nanoparticle, silica nanoparticle and poly - cation nanoparticle were introduced bri...
Should you hear my name blackened and maligned, will you credit the aspersion?要是你听见我的名誉受到诽谤, 你会相信那谗言 吗 ?Let us not forget that the much-maligned British Rail has a major expertise in electronic communications.我们不要忘了备受非议的...
OBJECTIVE : To observe the therapeutic effect of Weixiao mixture on functional dyspepsia.目的: 观察胃消合剂治疗功能性消化不良的疗效.Shop assistant: She has dyspepsia. I think lactasin will be useful.店员: 我想她是消化不良了. 您给她吃些“乳酶生”吧,应该会有效果的.Result...