Atmospheric precipitation

It was found that temperature had no significant effect on the treatment efficiency of struvite precipitation, however increasing temperature positively affected the Fenton oxidation treatment process.

研究还发现，MAP沉淀法不受温度影响，而Fenton氧化法的处理效率与反应温度呈正相关。

The precipitation of struvite could increase the ratio of C/N to about 20,which will enhance the sequent biological process and ameliorate the quality of effluent.

鸟粪石沉淀法能够将C/N提高到20左右，强化了后续生化处理工艺的出水水质。

For struvite precipitation, at the optimum operating conditions of pH 9 and MAP stoichiometric ratio of 1:1:1, ammonium nitrogen and COD levels were reduced by as much as over 97.0% and 50.0%, from 2132 mg l-1 and 4113 mg l-1 to 46 mg l-1 and 2057 mg l-1, respectively.

结果发现，对于MAP沉淀法，pH值为9、Mg2+：PO3-4：NH+4比例为1：1：1时，NH+4-N和COD的去除率分别在97.0%和50.0%以上，浓度分别从2132 mg l-1和4113 mg l-1降低到46 mg l-1和2057 mg l-1。

The purify serum were obtained by caprilic acid-ammonium sulfamate precipitation.

制备的血清抗体采用辛酸-硫酸铵分步沉淀法纯化。

A new technology to synthetize trans-1,4-polyisoprene with bulk precipitation polymerization in the presence of supported Titanium catalysts was introduced, and the technogical process , its economical and qualty index were discussed.

简要介绍了采用负载钛体系催化异戊二烯本体沉淀聚合法合成高反式-1，4-聚异戊二烯的新技术、工艺流程和技术经济指标。

The main disadvantage of this method is that the tannase comes into the tea and it has to be inactivated by a heat treatment, which is detrimental to the quality of the treated tea, or by a precipitation method which also impair s the quality of the tea.

这个方法的主要缺点是丹宁酶进入到了茶中，因而必需用热处理来使丹宁酶失活，或用沉淀的方法来除去丹宁酶，但这两种方法都会损害所处理的茶的质量。

The main disadvantage of this method is that the tannase comes into the tea and it has to be inactivated by a heat treatment, which is detrimental to the quality of the treated tea, or by a precipitation method which also impairs the quality of the tea.

这个方法的主要缺点是丹宁酶进入到了茶中，因而必需用热处理来使丹宁酶失活，或用沉淀的方法来除去丹宁酶，但这两种方法都会损害所处理的茶的质量。

Author tetradecyl acrylate used as a hydrophobic monomer, the direct use of precipitation polymerization Preparation of hydrophobically associating polymer P copolymers, so that the product of copolymerization and post-processing is more simple and easy process.

作者采用丙烯酸十四酯作为疏水单体，直接用沉淀聚合法制备疏水缔合型聚合物P共聚物，从而使共聚反应及其产物的后处理过程较为简单易行。

Acrylamide/tetradecyl acrylate hydrophobically associating water-soluble copolymers were synthesized in DMF by precipitation copolymerization.

采用沉淀聚合法制备了疏水缔合型聚合物丙烯胺/丙烯酸十四酯共聚物P。

Fe3O4 nanoparticles with 6-8nm in diameter were prepared by co-precipitation and tetramethylammonium hydroxide was used to disperse the Fe3O4 nanoparticles in aqueous.

首先用共沉淀法制备了粒径为6-8nm的Fe3O4微粒，并利用氢氧化四甲基铵将Fe3O4微粒分散在水相中。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。