英汉词典

1.Then the new cage-like vinyl silsesquioxanes(VS) were synthesized by the reaction of vinyl-tetra-coordinate silicon with tetraethyl orthosilicate in the condition of tetramethyl ammonium hydroxide.

然后在四甲基氢氧化铵催化下与正硅酸乙酯反应，制得笼状乙烯基倍半硅氧烷；

2.Then the new cage-like vinyl silsesquioxanes(VS) were synthesized by the reaction of vinyl-tetra-coordinate silicon with tetraethyl orthosilicate in the condition of tetramethyl ammonium hydroxide.

然后在四甲基氢氧化铵催化下与正硅酸乙酯反应，制得笼状乙烯基倍半硅氧烷；

3.The composite silica microsphere was obtained through the polymerization of urea and formaldehyde occurred in the silica sol that prepared from the hydrolyzation of tetraethyl orthosilicate.

以甲醛与尿素作为单体在正硅酸乙酯水解所得的氧化硅溶胶中进行聚合反应制得了有机—无机二氧化硅复合微球。

4.TS-1 zeolite was synthesized by hydrothermal method using both tetraethyl orthosilicate (TEOS) and silicon gel as the silicon source.

同时以正硅酸乙酯(TEOS)和硅胶为硅源，采用水热合成法制备了TS - 1分子筛。