氧硅烷

The reaction involved hydrolysis and condensation of phenyltriethoxysilane and tetraethoxysilane in the presence of intragallery surfactant templates (alkylamine and quaternary ammonium ion).

三、利用丙胺基三甲氧基硅烷与含水的无机中孔材料反应，成功地将功能基团〓接枝在中孔无机材料的孔壁上。

The research aimed to optimize the optimum technology conditions of immobilizing bromelin with attapulgite modified by 3-aminopropyliriethoxysilane.

［目的］确定利用3-氨基丙基三乙氧基硅烷改性凹凸棒土（3-APTS-凹凸棒土）固定菠萝蛋白酶的最佳工艺条件。

With the deepening of hydrophobic modification,the dispensability of modified starch in organic solvent liquid paraffin is markedly enhanced. The particle shape changes from rarefaction to cluster grape ball agglomeration state. The long chain group of methoxyl silane coupling agents KH570 is linked with the anhydrous glucose units of the cross-linked starch.

随着疏水化改性程度的加深，改性淀粉在液体石蜡有机介质中的分散性明显增强；颗粒形态由疏松态向串状葡萄球团聚态转变；在交联淀粉脱水葡萄糖单元羟基上引入了甲氧基硅烷偶联剂KH570的长链基团。

In the aspects of research method, we took the method of preparing sol at first and then impregnating the wood to obtain ceramic-wood composite; this method made the wood use efficiently and increased the wood's weight gain percent. The ceramic-wood composite with performances of well decay resistance, dimensional stability, effloresce resistance and high strength was obtained by importing the cymene to the net of gel as the result of co-hydroxylation between MTES and TEOS. Making use of XPS ,we found that the apex of Si2p、O1s、C1s had evident chemical shift , which validated the existence of Si-O-C bonding.Key Words: Sol-gel, Ceramic-wood composite, Modified sol, Ecomaterials

在工艺方法上，采用先制备溶胶，然后浸注木材的工艺方法具有原料利用率高、提高增重率的优点；采用甲基三乙氧基硅烷和正硅酸乙酯共水解的方法，将甲基引入陶瓷化复合木材的凝胶内部，所制备的材料具有尺寸稳定性好、具有耐风化和耐腐朽性，强度高的特点；首次利用X射线光电子能谱，发现了Si2p、O1s和C1s谱峰发生了明显的化学位移，证实了Si－O－C键合作用的存在。

Of anhydrous dioxane was then added dropwise in 30 minutes.

0.15摩尔甲基二氯硅烷）在150厘米。无水二氧3滴加当时在30分钟内。

At this stage, the solid pyrolyzed products of polysiloxane and polycarbosilane were amorphous silicon oxycarbide and nonstoichiometric silicon carbide containing excess carbon, respectively At higher temperature, structure of the amorphous pyrolyzed products started to rearrange and experienced a disorder →order transformation, even crystallized Cristobalite crystallized from SiO〓C〓, and β-SiC also crystallized from SiO〓C〓 provided carbon content of the starting polysiloxane was high enough, while β-SiC crystallized from SiC〓.

当热解温度达1000℃时，聚合物先驱体的无机化过程已基本完成，其陶瓷转化率值趋于稳定，此时聚硅氧烷的热解产物为非晶态的氧碳化硅，聚碳硅烷的热解产物则为含过量碳的非化学计量比的非晶态碳化硅；随着热解温度的升高，非晶态热解产物的结构逐步调整，发生无序→有序的相变，以至析晶。

The influences of reaction conditions such as material ratio, reaction temperature and time were studied.The optimum preparing condition was that the mole ratio of 1,3-diiminoiso- indoline and trimethoxysilane was 4:3,sodium methylate and tributylamine as additive ,reaction time 11h at 220℃, the yield of metal-free phthalocyanine was 46.7％.

并对反应时间、反应温度、原料配比等影响因素进行了研究，优化了工艺条件，得到的最佳反应条件是在酞菁素和三甲氧基硅烷的摩尔比为4：3，甲醇钠和三丁胺为添加剂，于220℃反应11h，无金属酞菁的最高收率为46.7％。

The synthesis of flame retardant for cotton with a new catalytic system ;2. Advances in the catalytic system s for synthesis of terephthalic acid via oxidation of paraxylene

在不同二苯基二甲氧基硅烷用量、聚合温度及聚合时间等条件下，考察DDS对α-烯烃聚合载体型催化体系活性中心的影响。

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。

The effects of flurocarbon surfactant,silane coupling agent, epoxy acrylate prepolymer and alumium silicate fine powder on the water resistant of acrylate structural adhesives were studied.

研究了氟碳表面活性剂、硅烷偶联剂、环氧丙烯酸酯预聚体以及硅酸铝粉末对丙烯酸酯结构胶耐水性的影响，制备出一种耐水性能优异的丙烯酸酯结构胶，其常温拉伸剪切强度为24。

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢？

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我，一个心中布满虚荣的女孩子真实的想法。