查询词典 solvent

Contact angle between test solvent and filler or polymer matrix by the surface analysis.The surface tension, polar force parameter of the surface tension, apolar forceparameter of the surface tension and polar fraction had been calculated.

通过表面分析的方法，测出参比液在基体与填料表面的接触角e，计算出其表面张力Ys、表面张力的极性分量丫气、非极性分量Y as。

In this dissertation, i has used inverse microemulsions technique to synthesize nano-magnetic particles . This method made nanometer sized cages formed by dissolving surfactant molecules in an apolar organic solvent. The chemical reactions were carried out inside the cages to synthesize nanoparticles. Because the growth of the naoparticles are limited in the cages, the particles were nanometer sized particles.

论文中本人以逆微乳化法去合成磁性奈米粒子，这个方式主要是利用在非极性有机溶液当中使溶解的界面活性剂构成一个奈米级的空洞，控制化学反应在空洞中反应合成粒子，也因为粒子生成受到空洞的限制，以致生成的粒子为奈米粒子。

In this paper, the catalytical esterification of palmitic acid with 1 hexadecanol by lipase immobilized by microemulsion base organo gel that consisted of bis (2 ethylhexyl)sodium sulphsuccinate/heptane/water/gelatin in apolar organic solvent was studied.

研究了以AOT二(2 乙基已基琥珀酸酯磺酸钠/正庚烷/水/明胶组成的反相微乳凝胶固定化脂肪酶，在有机溶剂中催化棕榈酸和十六醇的酯化反应。

Firstly, to the particulate filled Polyurethane composites, we have detected the contact angle between test solvent and filler or polymer matrix by the surface analysis. The surface tension, polar force parameter of the surface tension, apolar force parameter of the surface tension and polar fraction had been calculated.

通过表面分析的方法，测出参比液在基体与填料表面的接触角θ，计算出其表面张力γ_s、表面张力的极性分量γ_s~p、非极性分量γ_s~d、极性分数P；并由此估算出了基体与填料所形成的界面的界面张力γ_、粘附功W_a、裂纹能γ_G。

According to the frequently used methods of extraction and isolation of natural products from organic body, the freeze-dried ascidian body was exhaustively extracted with methanol/toluene ( 3 : 1 ) and then the combined extracts were filtered and the solvent was separatelyconcentrated under vacuum.

按照目前比较常用的天然产物提取分离方法，将样品冷冻干燥后，用甲醇：甲苯(3：1)浸泡，收集滤液，减压蒸馏得到的浓缩液用NaNO_3水溶液萃取，收集水相，减压浓缩至NaNO_3晶体析出。

In this experiment, we utilized organic solvent ethanol, acetone sedimentation separation method to separate and purify metal chelates. In the mean time, the chelation ratio of L-aspartic acid/aspartame zinc、autunite、coppe、ferrous complex was determined by EDTA complexometric titration and the products\' structure were analyzed and confirmed by IR spectrometry.

本试验采用有机溶剂乙醇、丙酮沉淀分离法来分离提纯金属螯合物，借助EDTA络合滴定法测定了L-天门冬氨基酸、阿斯巴甜与金属元素钙、铁、铜、锌的螯合率，利用红外光谱对产品结构进行了分析确认。

China is awash with cash, its economy is still growing and its banking system is solvent.

中国现在不缺钱，其经济仍在增长，银行体系依然能够偿还债务。

Melia azedarach seed oil ; free fatty acid ; solvent extraction ; acid value ; biodiesel

苦楝籽油；游离脂肪酸；溶剂萃取；酸值；生物柴油

This separation of ethanol-water azeotrope using glycol as solvent is analyzed. The result shows that when the system is operated twice,the output is the greatest and the consumption is the least.

以乙二醇作溶剂分离乙醇-水物系的实验结果表明，当间歇操作次数为2时，产品采出率最大，单位产品消耗的新鲜溶剂量最少。

In the reaction of substituted arylamine and sulfuric acid, and utilizes the feature of that said inert organic solvent is easy to form azeotrope with water to continuously deliver the water produced in the couse of reaction from the reactor.

本发明在取代芳胺与硫酸的反应中加入了一种惰性的有机溶剂，如：氯苯，二氯苯，三氯苯，硝基苯等，利用其易与水形成共沸物的特点，将反应生成的水不断地导出反应器。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。