最佳条件

Hydroxylamine hydrochloride (NH2OH·HCl) was selected to extract manganese oxides, and sodium dithionite (Na2S2O4) was used to separate manganese oxides and iron oxides. Optimum extraction conditions were determined by changing each of the experimental condition.

参考人工培养生物膜的萃取方法，分别用NH2OH·HCl和Na2S2O4为萃取剂选择性萃取生物膜上的锰氧化物和铁、锰氧化物，通过改变各萃取条件，考察萃取效果，确定最佳条件。

Most of the conditions described by the manufacturer were modi┐fied.

这些最佳条件中，大部分都对原来的条件进行了改良。

The filtered solution obtained from the nepheline and HCl solution reaction is useddirectly to preparate PAC of 0.2mol/L. The optimal experimental conditions forpreparing the PAC of 0.2mol/L were confirmed in laboratory studies.

实验确定了制备的最佳条件，在此条件下制备的PAC中Al13的含量为89wB%，并含有少量的硅胶(以SiO2计：0.93wB%)和Fe3胶体(以Fe2O3计：0.28wB%)。

Solvent dosage is 10mL/ gram epichlorohydrin. The yield of 5-chloromethyl-2-oxazolidinone was more than 65.2%. 5-Chloromethyl-2-oxazolidinone and sodium phenolate were condensated to give 5-phenoxymethyl-2-oxazolidinone after taking off the sodium chloride in yield of 63.0%~78.0%. Dimethylsulfoxide was used as the solvent, and orthogonal experiment to the reaction condition had been carried out.

用5-氯甲基-2-噁唑烷酮和酚钠缩合，脱去氯化钠后生成5-芳氧甲基-2-噁唑烷酮类化合物，选用二甲亚砜为溶剂，对反应条件进行了正交实验，最佳条件为：反应温度120℃、反应时间20h、物料配比1：1，产率为63.0%～78.0%。

In fact, the need to define these rights, which are essentially a reiteration of the optimal conditions for human existence, has arisen because these conditions are not met in the lives of the majority.

事实上，有必要界定这些权利，这基本上是一个重复的最佳条件，人类的生存，出现了，因为不符合这些条件的生活中占大多数。

In this paper, a coal mine slime flotation conditions to explore in detail the best conditions.

本文针对某煤矿煤泥的浮选条件最佳条件作了详细探索。

The effects of solvent concentration, ratio of liquid to solid, microwave power and radiation time were evaluated by single factor and orthogonal experiments. The extraction conditions of flavones from Solidago canadensis by microwave-assisted method were optimized as 40:1 of the weight ratio of 50 % ethanol to twigs and microwave power of 700 W for 20 min.

并通过单因素实验和正交试验优化溶剂浓度、液固比、微波功率和微波辐射时间等微波提取条件，确定了微波辅助萃取法提取加拿大一枝黄花中黄酮类化合物的最佳条件为：乙醇浓度50%，液固比40：1，微波功率700W，微波辐射时间20min。

A bacteria, named Alcaligenes faecalis, which was separated from the activate sludge of Tianjin gas work factory was used through out our work. Researches of substrates biodegradation were carried out under different condition and the optimal temperature and pH for phenol or m-cresol degradation were specified as: 30℃and 7.0,respectively.

本课题利用从活性污泥中分离得到的粪产碱杆菌，研究了该菌在不同培养条件下对底物的生物降解特性，确定了该菌降解苯酚、间甲酚的最佳条件为：培养温度30℃，pH7.0。

Using five kinds of different alkalized conditions in the experiment, the result showed that alkalization by strong ammonia was the best condition and obtained the highest rate of alkaloids.

在实验中采用五种不同的磁化条件，结果证明以浓氨水进行碱化为最佳条件，生物减收率最高。

The new process for preparing 4,4"-Diaminostilbene-2,2"-disulfonic acid was characterized by carrying out the catalytic hydrogenation of 4,4"-dinitrostilbene-2,2"-disulfonic acid or its alkali salts in presence of both Pd/C and OVN in water, the amount of OVN ranging from 0.1 to 0.2% by weight of 4,4"-dinitrostilbene-2,2"-disulfonic acid or its alkali salts, yielding 98.7% of desired product with 99.3% purity.

确定了氧化缩合反应的较佳工艺条件，DNS收率达95.2％，纯度达到了99.1％。而在本论文所确定的还原反应最佳条件下，DSD酸的收率可达98.7％，纯度高达99.5％。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。