| 1. | Frictional behavior is modified by colloidal silica or starch deposition . 耐磨损性能可以通过在织物上沉淀胶状硅或淀粉一类物质而得到改善。 |
| 2. | Self - assembly mechanism and defect analysis of colloidal silica photonic crystals 胶体二氧化硅光子晶体自组装机理及缺陷分析 |
| 3. | The process of lost pattern , colloidal silica and baking was studied emphatically 包括熔模制造工艺、硅溶胶模壳工艺和焙烧工艺。 |
| 4. | Monodisperse colloidal silica spheres embedded with europium complex were fabricated by a modified stober method ) ber方法制备了铕配合物sio _ 2微球复合结构。 |
| 5. | Preparation process of colloidal silica coating and compound shell making technology are introduced . in addition , the application results has been analyzed briefly 介绍硅溶胶涂料的配制过程及复合制壳工艺,对使用结果作了简要分析。 |
| 6. | The technical requirements for the lost pattern made from the paraffin - stearin and the shell mould made from colloidal silica in the precision casting were introduced 摘要介绍用石蜡硬脂酸低温模料制作熔模,用硅溶胶作粘结剂制造模壳的工艺。 |
| 7. | The practice over the past five years shows that the process of shell mould made from colloidal silica in investment casting is mature , which provides the technical support for producing the qualified ceramic shell mould and precise casting 生产实践证明,铸造硅溶胶模壳制造工艺是成熟的,为生产合格模壳和精密铸件提供了技术保障。 |
| 8. | Mas precursor powders are prepared using aluminium sulfate , colloidal silica , and magnesium nitrate as raw materials via sol - gel methods , dsc - tg and xrd show that the mas precursor powders transform to cordierite completely at 1300 以硫酸铝、硝酸镁和硅溶胶为原料,采用溶胶-凝胶法,制得mas先驱体粉末, xrd表明,该粉末经1300的热处理后,完全转变为堇青石。 |
| 9. | Using aluminium sulfate and colloidal silica as raw materials , another kind of mullite precursor powders is made . the relative density of silica - rich mullite ceramic sintered from these powders at 1550 for 1 hour with a pressure of 15mpa is 97 % 以硫酸铝、硅溶胶为原料,采用溶胶-凝胶法制备了莫来石先驱体粉末,所得富硅莫来石先驱体粉末在1550 、 15mpa下热压烧结1小时后,致密度达97 。 |