查询词典 sol

Palmitic acid-silicon dioxide nano-composite phase change material was prepared by sol-gel process from tetraethyi orthosilicate and palmitic acid.

采用溶胶—凝胶法，以正硅酸乙酯和棕榈酸为主原料，制备了一种有机—无机纳米复合相变材料。

Nanu-SiO2 was syrtthesized though hydrolyzation-condensation of n- tetraethyl orthosilicate in organic solvent using sol-gel method.

西北工业大学理学院，西安710072摘要：采用溶胶一凝胶法，利用正硅酸乙酯在有机溶剂中的水解-缩合制备纳米SiO2。

Porous carbons were prepared with tetraethyl orthosilicate as the silica template and solube starch and β-cyclodextrin as carbon precursor by sol-gel method.

以正硅酸乙酯为模板硅源，β-环状糊精和可溶性淀粉分别为碳前驱体，运用溶胶-凝胶法制备了多孔炭材料。

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。

Monolayer high anti-reflective coatings are coated by sol-gel method with tetraethyl orthosilicate and silicon oil(MW≈500) as precursor and ammonia as catalyst.

以正硅酸乙酯和硅油为前驱体，在碱性催化体系中制备出有机硅改性二氧化硅溶胶，采用提拉法获得了具备疏水性能的二氧化硅减反膜。

Hydroxyethyl cellulose and tetraethyl orthosilicate are chosen as the stuffs for the reaction, and HEC/SiO2 organic/inorganic hybrid are prepared by Sol-Gel process.

以羟乙基纤维素、正硅酸乙酯为原料，采用溶胶－凝胶技术合成了HEC/SiO2有机－无机杂化材料。

Samples prepared by sol-gel method have the largest OSC and suitable specific surface area.

采用溶胶—凝胶法制备的储氧材料老化前有较大的储氧量和合适的比表面。

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。

Nanocrystalline Pb(Zr0.52Ti0.48)O3 was prepared from lead acetate, zirconium oxynitrate and tetrabutyltitanate by a sol-gel method.

以醋酸铅，硝酸氧锆，钛酸四丁酯为原料用溶胶－凝胶法制备了纳米Pb(Zr0.52Ti0.48)O3。

Al (OC3H7)3 was added to an excess of distilled water (Al : H2O = 1:60-100 ) under vigorous stirring. Nitric acid [HNO3] was then added to peptize the hydroxide precipitate (Al: HNO3 = 1: 0.16). The reaction vessel was then closed and maintained for 48h at 90° C to get clear boehmite sol.

水解和缩聚反应的最终产物为非晶态的一水氢氧化铝，由许多 AlOOH 相互聚合交联形成的胶核处于中心位置，其外层是紧密吸附的同种离子 Al2O22+，它们共同构成了胶粒。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。