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1.The results show that the IPE of as-received SiO_2 is pH 1.58, that of Al(OH)_3-coated SiO_2 shifts to pH 7.1. After surface modification by SDBS, the aggregate phenomenon of nano-SiO_2 particle is reduced, the grain size of single SiO_2 particle is about 30nm.
结果表明,经Al(OH)3表面包覆后,纳米SiO2粉体等电点(IPE)的pH值从1.58变为7.1; 经SDBS对表面包覆Al(OH)3的纳米SiO2进行改性后,纳米SiO2粉体团聚现象减少,单个纳米SiO2颗粒的粒径约为30nm。收藏指正
2.Chromosorb GAW-DMCS(particle size 0. 3~ 0. 45 mm) coated 3% OV-101 is used as chromatographic packing material.
测试系统自行组装，色谱住填料采用ChromosorbGAW－DMCS（粒径0．3～0．45mm），其上涂布3％OV－101。收藏指正
3.The main component of this pill is 2-Octadecanoic acid -4 -Palmitic acid-2,4-Pentanediyl ester separated from chloroform extract of ne em oil. The microcapsules coated by the re-curdle method were fabricated with a n average particle size of 100～180 μm. The morphological characteristics, inco rporation efficiency, carrier reclamation efficiency of the microcapsule were in vestigated.
以从印楝油氯仿提取物中分离纯化出的 2 十八酸 4 十六酸 2 ,4 二戊酯为主体药物 ,采用复凝聚法 ,将其制成平均粒径为 10 0～ 180 μm的微胶囊 ,考察了微胶囊的形态特征、包封率、载体回收率 ,并以昆明小鼠为试验动物 ,采用组织学和流式细胞术研究了该胶囊的抗生育作用。收藏指正
4.the transparent organosol of CeO2 nanoparticles and CeO2 nanoparticles coated with DBS have been first prepared by colloidal chemical method, The CeO2 nanoparticles with various particle sizes were obtained by different calcination temperature. For the first time, we obtained the optimum condition of preparing colloid. The prepared samples were deeply studied by XRD.
本文首次采用胶溶法合成了CeO_2纳米水溶胶、透明的CeO_2纳米有机溶胶、表面包覆DBS的CeO_2纳米粒子，将该粒子在不同温度下进行热处理得到不同粒径的CeO_2纳米晶。收藏指正
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