萃取剂

Acidic extraction method was used to condensate butyraldehyde and get high concentration organic wastewater,and the influences of pH value,temperature, extracting agent and its amount on extracting effect were also discussed.

利用酸化萃取法处理丁醛缩合高浓度有机废水的思路，探讨了不同废水pH值、温度、萃取剂及萃取剂用量对萃取效果的影响。

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。

A sequential extraction technique to fractionate P and the method proposed by Bremner to separate N in different fractions were used.

本试验利用Sui 和 Thompson (1999)序列萃取法，以不同强弱的萃取剂来划分土壤中的磷，将土壤磷划分为水萃取磷、碳酸氢钠萃取有机磷及无机磷、氢氧化钠萃取有机磷及无机磷、盐酸萃取磷及残余磷；利用 Bremner (1965)的土壤有机态氮划分法将土壤有机态氮划分为水解性全氮、水解性铵态氮、胺基醣态氮、胺基酸态氮及不可辨认的水解性氮。

Using supercritical CO 2 to extact Agrimonia Pilosa Ledeb Extractive from Agrimonia Pilosa Ledeb ,thl best technelogic condition of it is,temperature 35～40℃;Pressure 16MPa;exact desage about 3000L Per grou

研究利用超临界CO2 从鹤草芽中萃取鹤草芽浸膏的工艺条件，考察了温度、压力、萃取剂用量等对浸膏收率的影响，结果表明，用超临界CO2 从鹤草芽中萃取鹤草芽浸膏的最佳萃取工艺条件为：温度 3 5～4 0℃，压力 1 6MPa，萃取剂用量：每组实验 3 0 0 0L左

Combining chemical complexation and physics extraction of monobasic and polybasic carboxylic acid, the universal liquid-liquid equilibrium model with clear physical meaning was successfully induced.

详细研究了萃取剂浓度、稀释剂浓度、水相pH值、温度和羧酸初始浓度等因素对络合萃取平衡的影响以及萃取剂的再生条件。

Using kerosene and 40%n octanol as diluents,some lanthanide and actinide can be extracted effectively by amido podand from nitric acid solutions.

以酰胺荚醚为萃取剂，正辛醇和煤油的混合物作稀释剂，研究了水相硝酸浓度和不同结构酰胺荚醚对镧系和锕系元素萃取分配比的影响，并对它们的萃取性能进行了比较，结果表明，适当的酰胺荚醚可以有效地从硝酸溶液中萃取镧系和锕系元

Then the experiments on the separation of lithium and magnesium from bitterns contenting lithium were carried out, during the experiment NaOH was chosen as addition to further remove magnesium from the extraction liquid and Na_2CO_3 was chosen as deposition agent to prepare Li_2CO_3 product.

作者选取磷酸三丁酯为萃取剂，200#溶剂汽油为稀释剂，氯化铁(FeCl_3)为共萃取剂，对盐湖含锂卤水进行萃取分离镁锂的试验，然后采用氢氧化钠对萃取液进行深度除镁，再用碳酸钠作为沉淀剂制备碳酸锂产品。

Taking the brines from Qinghai Chaerhan salt lakes as raw material, sulfonated kerosine as diluting agent, the experiment of extracting boric acid from brines by 2 - ethyl - 1,3 - haxanediol is carried out. The concentration of extractant,acidity, the ratio of organic phase to brine, the time of extraction and extration isotherm are investigated.

以青海察尔汗盐湖提钾后老卤为原料，以磺化煤油为稀释剂，从萃取剂浓度、酸度、相比、萃取时间、萃取等温线5个方面加以试验，获得了2-乙基-1，3-己二醇从卤水中萃取提硼的最佳试验条件，并与2-乙基己醇和磺化煤油的萃取体系进行比较，得出二元醇的萃取效果高于一元醇的结论。

The interfacial chemistry, synergistic effects and interfacial kinetics of thesynergistic extraction system D_2EHPA-MPA-Fe~(3+) have been studied, where MPA is amono-alkyl phosphate extraction with long carbon chain. D_2EHPA in the mixed extractionsystem strongly exhibits the effect on the thermodynamics of micella formation and interfaceproperties of MPA. Some thermodynamic parameters of micella formation were obtained.The interfacial adsorption behaviour of D_2EHPA is opposite to that of MPA. Theemulsification for single MPA and the mixed system was discussed. The synergistic effectswere found in this mixed extraction system. It is proved that the process of Fe~(3+) extractionfor non-mixed extraction system is controlled by chemical reaction, the controlling reactionoccurs at the interface, and the reaction rate equation is obtained.

本文研究了协同萃取体系D_2EHPA—MPA—Fe~(3+的胶团形成热力学、界面特性、协萃效应和界面动力学(动力学控制机制和反应速率方程)研究发现，混合萃取体系中的D_2EHPA强烈地影响MPA的胶团形成热力学和界面吸附行为，得到了胶团生成常数、胶团形成自由能和临界胶团浓度的热力学参数D_2EHPA和MPA具有相反的界面吸附行为研究发现D_2EHPA—MPA混合萃取剂体系对Fe~(3+)产生了协萃效应动力学和界面化学的研究结果还证实了非胶束混合萃取体系的Fe~(3+)的萃取过程是受化学反应控制的，控制反应发生在界面上

At the same time,it also has high radiolysis stability. When absorbed dose reached 1 MGy,D declined remarkably. The addition of diluents resulted in a decline of radiolytic stability.

TBOPDA具有较好的辐解稳定性，当纯萃取剂的吸收剂量达到1MGy时，萃取分配比有明显下降；稀释剂的加入会使萃取剂的辐解稳定性下降。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失