溶剂

The resulted alkylated products could be easily recovered due to immiscibility with the ionic liquid in some case.

同有机溶剂作为反应介质相比，离子液体表现出独特的溶剂效应和更好的催化活性。

Solvent extraction is accomplished by the addition of an immiscible solvent to the wastewater.

溶剂萃取是向废水中投加不溶于水的溶剂。

The cubage proportion of the mixture in the standard impregnant is 60% of petroleum impregnant,30% xylence and 10% butanol.

然后将有效长度试样浸入盛有标准溶剂的玻璃容器中30min，溶剂温度为（60±3）℃。

The isopropyl-aclohol is one of the organic chem-industry materials, and also a kind of impregnant with good capabilities. It can be widely used in many fields as melting the nitric acid fibrin, rubber, dope and printing ink and is also the good refine rube shell-glue impregnant, the gas additive and antifrozen impregnant.

异丙醇是重要的基本有机化工原料之一，又是一种性能优良的溶剂，被广泛应用于溶解硝酸纤维素、橡胶、涂料和油墨等领域，也是良好的精制润滑油脱蜡溶剂，并可用作汽油添加剂和抗冻剂。

Aqueous polyurethane is dispersed in water media, which has not only the excellent properties of solvent-borne polyurethane with low temperature resistance, great adhesion, as well as outstanding toughness combined with good flexibility, but also advantages of incombustibility, low odor and environmental iLndliiiess that solvent-borne adhesive has not.

水性聚氨酯以水为分散介质，它不仅具有溶剂型聚氨酯的耐低温、柔韧性好、粘接强度大的优良性能，而且具有不燃、气味小、不污染环境等溶剂型胶粘剂所不具备的优点，因此倍受国内外研究人员的重视。

The invention discloses a 3, 5-2-0-(4-chlorobenzene chlorobenzene)-2-deoxidising- D-red-furanoside that contains alpha body and beta body. The method includes the following steps: dissolving chlorine indicant into tetrahydrofuran, quickly adding to alcoholic solutioin, whisking and reacting, after reacting, vacuuming and steaming solvent to gain mixture of alpha body and beta body, taking separation by column chromatography to gain separated alpha body and beta body.

本发明公开了一种3、5-二-O-(4-氯苯甲酰基)-2-脱氧-D-赤-呋喃糖苷，它具有式表示的α体和式表示的β体，制备方法采用在室温下，将氯糖苷溶于四氢呋喃中，然后快速加入到醇溶液中，搅拌下进行反应；反应结束，减压蒸掉溶剂，得到白色固体，将该固体用石油醚溶解，过滤除去不溶物，再次减压蒸去溶剂，得到白色α体和β体的混合物，用柱色谱法进行分离，得到单独的α体和β体。

Will withdraw, condense two output evaporations to get into the reflux congealed machine a hot and congealed liquid in the meantime, drop to withdraw in the bottle, is a new melting agent to add a medicine material noodles up, renew continuously solid-liquid two connect a people's layer, make the new melting agent is from the top to descend to pass a medicine material layer, have the dynamic state 渗漉 function, the dissolubility material which fuses a medicine material arrives to withdraw a bottle of bottom, and then gets into inspissation machine to carry on inspissation.

同时将提取、浓缩产生的二次蒸发进入回流冷凝器成热冷凝液，回落到提取罐中，作为新溶剂加到药材面上，不断更新固——液两相接口层，使新溶剂从上至下通过药材层，起了动态渗漉作用，溶解药材的可溶性物质到达提取罐底部，又进入浓缩器进行浓缩。

Systematic isopiestic measurements have been made at the temperature 298.15K for the quaternary system {water (A1)+methanol (A2)+sodium bromide + ammonium bromide} with the mass ratios of water: methanol=9∶1 and 4∶1 and for the quinary system {water (A1)+methanol (A2)+ethanol (A3)+sodium bromide +ammonium bromide} with the mass ratios of water: methanol: ethanol=18∶1∶1 and 8∶1∶1, which were the first isopiestic determining examples for mixed solvent systems.

本文系统地测定了298.15K时混合溶剂各组元质量比为w〓∶w〓＝9∶1和4∶1的四元系{H〓O+甲醇(A2)+NaBr+NH〓Br}和w〓∶w〓∶w〓＝18∶1∶1和8∶1∶1的五元系{H〓O(A1)+甲醇(A2)+乙醇(A3)+NaBr+NH〓Br}的等压平衡，是混合溶剂体系等压性数据的首例。

The catalysts were prepared by impregnation and precipitation method, and the active carbon,γ-Al2O3, silica and kieselguhr were selected as the carriers of catalyst. the effects of reaction conditions, such as reaction temperature, types of solvents, and types of hydrogen donors were investigated, It was found that the Pd/C catalyst was the best one, and its proper reaction conditions were also obtained as follow: sodium formate as hydrogen donor, water as solvent, reaction temperature of 70℃ and reaction time of 2.5h.

以活性炭、γ-Al2O3、硅胶和硅藻土等为载体，分别采用浸渍法和沉淀法制备了催化剂，对于反应温度、溶剂及氢供体的种类等反应条件的影响进行了研究，发现以沉淀法制备的Pd/C催化剂是对转移加氢最有效的催化剂，初步确定了适宜的反应条件为以甲酸钠作氢供体、水作溶剂及70℃反应2.5h等。

The linear concentration dependence of thediffusion coefficients indicated flexible chain properties of the microgel andthe amphiphilic polymers in good and θ solvents.

扩散系数的线性浓度关系证明了微凝胶及它的两性聚合物在良溶剂与θ溶剂中的柔性链性质。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了