查询词典 sol-fa

The main objects of this work are to prepare a new kind of colloidal sol of antimony pentoxide and to investigate the formation process and properties of colloidal sol as well as flame retardant synergism of the colloid in polyester fiber.

为此，本文主要研制一种新的胶体五氧化二锑体系，研究其成胶过程、胶体性能及在涤纶织物中的阻燃增效作用，开展有关的应用和应用基础工作。

The preparation process of self-holing polyimide with organosilicon block includes the following steps: 1 the first reaction of polyacid anhydride in functionality not lower than 2, silicon oil with 2 or more amino or imino groups and polyamine with 2 or more amino groups, and the second reaction with one or several kinds of added isocyanate with 2 or more isocyanate radicals to produce sol of polyamido acid containing organosilicon block; 2 solidifying the sol to obtain solid polyamido acid containing organosilicon block; and 3 imidonating the solid to obtain self-holing polyimide with organosilicon block.

本发明公开了一种有机硅嵌段自发孔聚酰亚胺的制备方法，该方法包括以下步骤：(1)有机溶剂中具有大于或者等于2的酸酐官能团度的多酸酐与具有大于或者等于2的胺基或亚胺基的硅油以及具有大于或者等于2的胺基的多胺反应，随后添加一种或多种具有含有等于或者大于2个异氰酸酯基的异氰酸酯反应，生成含有机硅嵌段聚酰胺酸的溶胶。(2)溶胶固化制成有机硅嵌段聚酰胺酸固体。(3)固体亚胺化，即得有机硅嵌段自发孔聚酰亚胺。

A sol containing SiO_2 particles was prepared by the base catalyzed hydrolysis and polycondensation of tetraethoxysilane through sol-gel process. A solution containing double-chain polymer of methyltriethoxysilane was also prepared under acid condition, as the introducer of water repellence.

通过溶胶-凝胶法，在碱性条件下水解缩聚正硅酸乙酯获得含有SiO2颗粒的溶胶；以甲基三乙氧基硅烷在酸性条件下水解缩聚获得双链聚合物溶液，作为疏水基团的引入剂。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%～40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶；深入研究了反应物配比催化剂用量等条件对凝胶过程的影响，得到了较佳的RF凝胶制备条件(RF浓度应大于2%，R/C值取50～300)；初步研究了凝胶过程中的粘度、粒径变化情况，分析了催化剂用量影响凝胶中粒子尺度的原因，在实验上印证了凝胶生长遵循"聚增长"的理论；通过引入超声波改进了RF气凝胶的制备工艺，缩短了凝胶反应时间，提高了凝胶品质，并探讨了超声波促进RF凝胶反应作用的原因；首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶，优化出复配比(对苯二酚含量为10%～40%)。2。

A wet chemical method was cidopted to introduce alumina sol to surface-modification of alumina bubble and in-situ decomposition characteristics, distribution of alumina sol, mi-crostructure and mechanical properties of surface-modified alumina bubble were studied by SEM, XRD, Coulter LS Particle Size Analyzer and self-preparation experimental device for measurement of compressive resistance.

采用湿化学的方式引入铝胶对氧化铝空心球进行表面修饰改性；采用SEM、XRD、激光粒度仪和自制耐压装置研究铝胶分解特性、分布状态、氧化铝空心球表面改性前后显微结构及力学强度变化。

Results show that some primary factors affect sol-gel transition, gelation formation and quality. These factors include the temperature of solation formation and sol-gel transition, drying time.

对溶胶-凝胶法的研究发现：溶胶形成温度、凝胶干化温度及干化时间等都是影响干凝胶质量的主要因素。

In this study, SiO〓 particles with nanometer sizes were synthesized by solgel processes with TEOS as precursor.

本工作以正硅酸乙酯为前驱体，用sol-gel方法制备了纳米级SiO〓微颗粒，研究了不同sol-gel条件对SiO〓凝胶颗粒形成特性的影响和机制。

Peroxo titanic acid sol; needle-like anatase crystal sol; nano TiO2 thin films; hydrothermal reaction; photocatalysis

过氧钛酸溶胶，针状锐钛矿晶粒溶胶，纳米TiO2薄膜，水热反应，光催化

ZrO2 films can be obtained through many methods such as physical vaporous deposition, chemical vaporous deposition, electrochemistry and Sol-Gel method. Sol-gel method has become one of the most popular and important techniques.

不锈钢具有良好的耐蚀性，本论文选择不锈钢为基体制备氧化锆薄膜，将金属材料较好的力学性能和陶瓷薄膜较好的化学稳定性有机结合在一起。

The whispering gallery modes from Rhodamine B doped sol gel microdisks under 532 nm pulsed laser pumping was studied. Microdisks of 15 μm～20 μm in diameter were fabricated by photolithography of light polymeriable sol gel thin films.

采用光聚合溶胶凝胶材料，通过光刻制备得到直径在15 μm～20 μm间的光学微盘谐振腔，在掺有若丹明B染料时，用脉冲532 nm激光抽运微盘，观察到回廊耳语模式，实验所得峰位与理论值相符。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失