Microspheric trans aconitic acid imprinted polymers were synthesized via a precipitation polymerization with acetonitrile as solvent.以乙腈为分散剂,采用沉淀聚合法合成了反乌头酸分子印迹聚合物微球.Precipitating electrode plate is a key part in electros...
an increase in annual precipitation年降水量的增加Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降.Guitar's experi...
Richard told me of three 16th-century folio volumes on alchemy.理查德告诉过我16世纪的三卷关于炼金术的对开本书籍的事。What spurred them on was alchemy,the “science” of changing ordinary metals into gold.激励他们的是炼金术，即把普通金属变为金子的“科学”。What spurred them ...
Encaustic painting was the ancient method of fixing pigments with heated wax.蜡画是一种古老的画法,它将颜料与加热的蜡混合.The batik pictures are the combination of the encaustic and dyeing.蜡染画-是蜡画和染色的合成....