| 1. | Nanometer fluorescent hybrid silica particle as ultrasensitive and photostable biological labels
2微球作为生物标记探针的应用研究 |
| 2. | Nano - silica in aqueous solution ( solid content w = 25 % - 30 % , particle size s = 8 - 15nm , ph = 9 ) has been prepared by silicon . then two modification measures are used to modify nano - silica particle
文中采用单质硅法制得固含量为25 30 、粒径10nm左右的稳态下( ph = 9 )的纳米二氧化硅水溶液。 |
| 3. | The average particle size was from 50nm to 2um . a compounding particle was prepared by coating monodispersed and spherical ultrafine silica particles with titania which obtained by the hydrolysis of ti ( so4 ) 2
以超细单分散球形二氧化硅粒子为载体， ti ( so _ 4 ) _ 2为原料，成功制备了在二氧化硅粒子表面包覆二氧化钛的复合粒子。 |
| 4. | Silane coupling agent ( kh - 560 ) with active groups was used for the treatment on silica particles in this article . the surface of silica which was treated in the way of chemical bonds was changed from hydrophilication to amhydrophilication
本文采用具有活性基团的硅烷偶联剂( kh - 560 )对二氧化硅粒子进行了表面改性，使二氧化硅颗粒表面由亲水性变为亲油性。 |
| 5. | By measuring the mechanical property of the polymers and observing the section morphology of flexural sample by sem , we found that : after treated , the silica particles can better interface with pvc compared with the untreated silica particles
通过对复合材料进行力学性能测试和扫描电镜观察复合材料的断面形貌，结果发现，改性后纳米二氧化硅粒子pvc的界面结合情况有所改善。二氧化硅能够较均匀地分散在pvc当中。 |
| 6. | Electrorheological fluids based on metal and silica particles dispersed in silicone oil respectively are observed by means of an optic microscope . the fractal theory is adopted to characterize phase separation of electrorheological fluids and the fractal dimension ( df ) of an electrorheological fluid of 10 % particles in silicone oil is determined as 1 . 78
仿真结果表明，电流变体的电致成链过程可分为三个阶中文摘要段，即快速生长阶段，缓慢生长阶段和稳定阶段；在成链过程中，小尺寸的微粒链和大尺寸的微粒链分别是流体的结构和其稳定性的重要决定因素。 |
| 7. | The tem shows lots of nano silica particles circumfuse on the surface of the micro fe particles after the micro fe coated by silica . the sem analysis shows the same result . the vsm shows the micro fe particles have almost no remnant magnetism and coesive . the saturation magnetization decrease with the feed content of teos remenant magnetization and coesive are little
随着teos的投料的增加，材料饱和磁化强度呈下降趋势，微米粒子磁化曲线通过原点，表面包裹后，剩磁与矫顽力变化很小对于微米铁粉，其磁畴变化较快，没有剩磁与矫顽力。 |
