水溶胶

The molecular sieve is prepared in the steps: at the room temperature, hexadecyl trimethyl ammonium bromide is mixed and dissolved with the sodium hydroxide, and is added with TEOS in dropping way, and simultaneously added with Me metal salt water solution and lanthanum nitrate solution in dropping way; the pH value of the mixed solution is adjusted by acetic acid to be 10 to 11, and is mixed for 1 to 2 hours after being stabilized; the sol is moved into a polyfluortetraethylene bottle to be heated and crystallized for 2 days in the oven at the temperature of 100 DEG C; after filtering, washing and drying for nights, and being calcined in a muffle at the temperature of 550 DEG C for 3 to 7 hours, the dual-metal-atom improved MCM-41 mesoporous molecular sieve is obtained.

该分子筛的制备为室温下，将十六烷基三甲基溴化铵和氢氧化钠混合溶解，搅拌并滴加入TEOS，同时滴加入Me金属盐水溶液和硝酸镧溶液并搅拌，用乙酸调节pH值至10～11，稳定后搅拌1～2小时，溶胶转入聚四氟乙烯瓶中在100℃下烘箱水热晶化2天，经过滤、洗涤、干燥过夜，马弗炉550℃焙烧3-7h，得双金属原子改性MCM-41介孔分子筛产品。

The sol-gel solution was prepared by mixing ethyl orthosilicate, absolute alcohol and 0.1molL^(-1) HCl in a definite proportion, and adding an appropriate amount of silicotungstic acid as active material, strring for 30min and then standing for 24h at room temperature.

溶胶－凝胶溶液系将正硅酸乙酯、无水乙醇及0.1molL^(-1)盐酸按一定比例混合后加适量的硅钨酸作为活性物质，搅拌30min混匀后在室温放置24h配成。

Crystalline and amorphous nano-Al_2O_3 powder were synthesized by room-temperature hydrolysis method and direct oxidic method respectively, and nano-SnO_2 powder was produced by sol-gel technology. Their microstructure features and growth behavior of crystal grain were studied in detail, and corresponding model and theory were put forward to explain them.

采用室温水解法和直接氧化法分别获得了晶态和非晶态纳米Al_2O_3粉，采用溶胶-凝胶法制备了纳米SnO_2微粉，研究了它们的微结构特征与晶粒生长行为，并提出了相应的模型与理论去解释。

Alumina sols of different content were prepared by using Al3 as precusor, water as solvent, nitric acid as peptizer, ethylacetoacetate and polyvinylpyrrolidone as modified menstruum. We used dip-coating method and spin-coating method prepared of alumina films on the plane glass and used dip-coating method and rising liquid method inside the wall of the fiber.

以仲丁醇铝为前驱物、水为溶剂、硝酸为胶溶剂、同时加入乙酰乙酸乙酯和聚乙烯吡咯烷酮作为改性剂制备了不同浓度的氧化铝溶胶用提拉法和旋覆法在平板玻璃上镀膜，同时用提拉法和液面上升法在石英毛细管内壁上镀膜。

Other applications of the sol-gel technology on textile were discussed in this paper as well, such as ultra-violet cutting, water repellency, weighting of silk and knitting fabrics, fixing the β-cyxlodextin on cotton for"Host-Guest"effect etc.

本论文对溶胶-凝胶技术在纺织上的其它应用进行了初步探索，如抗紫外、拒水、真丝绸和针织物的增重、β-环糊精在织物上的固着、香精的缓释等。

The result of the test showed that the fed quantity of TiO2 was 1.25 mg／mL,the photocatalytic degradation of the pyridine was in conformity with the first order kinetic equation,the feeding of 0.2％H2O2 obviously increased the degradation rate of the pyridine and the nitrogen in the pyridine converted into ammonia nitrogen;the pearlite-loaded TiO2 had the same catalytic effect as that of powered TiO2 and was easy to recover and reutilize.

以钛酸四丁酯水解法制备TiO2，采用溶胶一凝胶法在膨胀珍珠岩上负载TiO2，在UV-TiO2体系中对水中吡啶进行光催化降解，结果表明：TiO2加入量为1.25mg／mL，吡啶的光催化降解符合一级动力学方程，加入0.2％H2O2可明显加快吡啶的降解速度，吡啶中氮转化为氨氮，珍珠岩负载型TiO2与粉末TiO2具有相同的催化效能，且便于回收和重复使用。

Compared with G1 synthesized from 1,2,4,5-benzene tetracarboxylic acid and 4hydroxy pyridine at molar ratio of 1:2,G2 gelled water at higher minimum gelator concentration and gave the gel with lower gel-to-sol dissociation temperature at the same concentration.

相对于在摩尔比1：2条件下，由均苯四甲酸和对羟基吡啶合成的凝胶因子G1，在相同浓度下，G2在更高的最低凝胶因子浓度使水凝胶，并且得到的凝胶具有更低的凝胶-溶胶破坏温度。

Environment barrier coatings ; citric acid sol–gel method ; barium oxide–alumina–silicon oxide coating ; water vapor corrosion

环境隔离涂层；柠檬酸溶胶–凝胶法；氧化钡–氧化铝–氧化硅涂层；水氧腐蚀性能

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

On the basis of investigating the developments of inorganic mesoporous material's syntheses and applications, mesostructured tin oxide, bismuth oxychloride, lead sulfide, bismuth sulfide, titanium phosphate and zinc phosphate were synthesized by Sol-Gel and hydrothermal techniques, employing the neutral surfactant organic amine and anion surfactant alkyl sulfonate as templates.

中文题名非硅基介孔材料的合成与表征副题名外文题名论文作者周书喜导师李健民学科专业物理化学研究领域\研究方向学位级别博士学位授予单位中国科学技术大学学位授予日期2003 论文页码总数92页关键词介孔材料介孔分子筛馆藏号BSLW /2003 /O643.3 /50 在对无机介孔材料的合成、应用等方面的发展现状进行了充分调研的基础上，本文运用溶胶一凝胶法、水热法等合成手段，选用中性表面活性剂有机伯胺和阴离子表面活性剂烷基磺酸盐为模板，制备了二氧化锡、氯氧化铋、硫化铅、硫化铋、磷酸钛、磷酸锌等无机介孔材料。

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