硅酸的

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。

On such basis, a new porous structured heteropoly acid catalyst is obtained by salt-gel reaction, using tetraethyl orthosilicate as the silicon source.

在此基础上，以正硅酸乙酯为硅源，利用&盐—凝胶&法得到一种新型介孔结构的杂多酸催化剂。

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。

In this article, Polysilicate Aluminium Ferrric Sulphate was compounded. And a series of experiments were carried out to check its quality.

聚硅酸金属盐类无机高分子絮凝剂是当前用于给水和废水处理领域的新型高效水处理药剂。

The cost of the waste water treatment is only 0.30 Yuan/t. The practical application of polysilicate aluminum is advisable.

聚硅酸铝原料来源广泛，价格低廉，水处理成本仅为0.30元／t，有实际应用的价值。

Combined with polysilicate aluminum and ferric, this coagulant was thus used to treat tanning wastewater which COD value is ...

这种混凝剂与聚硅酸铝铁絮凝剂配合处理COD为 15 0 0～ 2 0 0 0mg/L制革废水，SS ，COD ，硫化物和铬的去除率分别为 95 %，93 %，92 %和 88%。

A new type of effective complex coagulant polysilicate aluminum ferric salt was prepared from coal gangue and pyrite slag and used as coagulant in the treatment of tanning wastewater.

用煤矸石及硫铁矿烧渣作原料制备了一种高效复合混凝剂聚硅酸铝铁，并将其用于制革废水的处理。

A new type of effective complex coagulant polysilicate aluminum ferric salt was prepared from coal gangue awl pyrite slag and used as coagulant in the treatment of vegetable oil wastewater.

用煤矸石及硫铁矿烧渣作原料制备了一种高效复合混凝剂聚硅酸铝铁，并将其用于植物油脂废水的处理。

Technical conditions for preparing polysilicic acid and application characteristics were studied. On the basis of polysilicic acid, PSAZ flocculant was prepared with adding zinc sulfate and aluminum sulfate (or magnesium sulfate and zinc sulfate).

在研究制备特性聚硅酸工艺和技术条件的基础上，经过实验对比和筛选，引入硫酸锌和硫酸铝或者硫酸锌和硫酸镁，制备了PSAZ和PSMZ。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新