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- polar organic media 极性有机介质
- Results show, the polar organic compound component play both role of plasticization and increasing dielectric constant in the triple system. 固体高分子凝胶电解质中所含的有机化合物组分的粘度愈低,或介电常数愈高,它的离子电导率愈高。
- The acrylamide and thesalts of fatty acids were successfully intercalated into kaolinite by virtue of polar organic compounds which acted the part of entrainer. 通过极性有机化合物作夹带剂,成功地合成了高岭石-丙烯酰胺、高岭石-脂肪酸盐有机复合体。
- A new type of strongly polar organic polymer porous layer open tubular column (OPPLOT-A) was prepared by in situ copolymerization of acrylonitrile and divinylbenzene. 以丙烯腈为单体,二乙烯苯为交联剂,采用原位聚合法制备出了强极性的有机高聚物多孔层开管柱-OPPLOT-A型柱。
- Bamford, C. H., Dispersion Polymerization in Organic Media, London, pp. 150, 1975. 张义和、徐敬添、邹淑贞、陈守一、时国诚,“微/奈米粉体用高分子型分散剂”,化工技术,第11期,第118-125页,2003。
- With the methods like dispersing KF on inert carriers,dispersing by slow distillation of its solution in polar organic solvent,freeze-drying and spry-drying,etc.are feasible . 指出KF氟化剂主要着重于提高比表面积,通过附载于惰性载体上、有机溶液的缓慢蒸发分散、冷冻干燥和喷雾干燥等多种方法可以达到这个效果。
- In this paper, the two topics are researched of combination chloramphenicol macular imprinting polymer (CMIP) in organic media and primary preparation the MIP in aqueous solution. 本论文主要研究了氯霉素分子印迹聚合物在有机相中的原位合成和在水溶液中的初步制备。
- The results showed that the contact angle with water was increased and dispersibility in organic medium was enhanced. 结果表明:改性的超微二氧化钛与水的接触角增大,在有机介质中分散性提高。
- If the concept of bilayer assemblage can be extended more generally so as to include organic media, a wholly new branch of chemistry will emerge. 如果双分子层的组装概念能更一般地延伸到有机介质, 那么一种全新的化学分支将会产生。
- The enzymatic resolution of 1-phenylethylamine by amidation reaction in organic medium was studied. 在有机相中,对酶催化条件下的1-苯基乙胺酰胺化反应进行了研究。
- PAC modified with oxidation can increase the adsorption effect of polar organic matters in water,while PAC modified with reduction can increase the adsorption effect of hydrophobic organic matters in water. 粉末活性炭(PAC)经氧化改性后其表面极性增强,可提高对水中极性有机物的吸附效果; 而PAC经还原改性后则增强了其疏水性,有利于其对水中疏水性有机物的吸附。
- The separation technique of solvent extraction based on reversible chemical complexation features high capacity and high selectivity for separating polar organic solutes from dilute solution. 络合萃取技术对于极性有机物稀溶液的分离具有高效性和高选择性。
- The result shows that the contact angle is increased with water remarkably, improving its dispersibility in organic medium. 结果表明:改性的超微二氧化钛与水的接触角增大,在有机介质中分散性提高。
- Water-soluble conjugated polyelectrolytes (WSCPs) are novel types of conjugated polymers which contain ionic side chains, hence they are soluble in water and some other polar organic solvents. 水溶性共轭聚电解质主要是指含离子型官能团侧链的共轭聚合物,可在水或其它极性有机溶剂中能够溶解。
- The two systems of government are polar opposites. 这两种政体正好相反。
- The separation technique of solvent extraction based on reversible chemical complexation features has high capacity and high selectivity for separating polar organic solutes from dilute solution. 络合萃取法分离极性有机物稀溶液具有高效性和高选择性。
- The optimal enzyme resource, porcine pancreatic lipase (PPL), was confirmed by proper test in the resolution of racemic glycidol via esterification with a fatty acid in organic media. 摘要用正交实验方法筛选出有机相中酶促拆分环氧丙醇反应的最适酶源为猪胰脂肪酶(PPL)。
- Organize media campaigns, public education, and immunization events, and promote surveillance. 筹办媒体宣传、众教育、疫活动、推广监督小儿痲痹病毒。
- Lipase mediated synthesis of flavor esters in organic media exhibited that obviously higher productivity in heptane was observed, as compared with that in aqueous phase and solvent-free system. 用微生物脂肪酶在溶剂相中合成芳香酯的研究表明:4个脂肪酶在正庚烷中催化合成7个酒用芳香酯转化率比在水相、无溶剂反应体系中有明显的优势。