溶剂

Under the microwave radiation, makes the catalyst with the potassium iodide,The sodium hydroxide makes the neutralization agent, synthesized the phenmethyl -2- naphthyl ether, take 2- naphthol and the chlorination animal pen as the raw material, Uses the single factor cut-and-try method, To a reactant mole of ratio, the catalyst and the solvent amount used, the microwave power, the radiation time and so on have conducted the research to the product receiving rate influence.

在微波辐射下，以2-萘酚和氯化苄为原料，用氢氧化钠作碱剂，碘化钾作催化剂，水-DMF为溶剂合成了苄基-2-萘基醚；采用单因素实验法，对反应物的摩尔比、催化剂及溶剂用量、微波功率、辐射时间等因素的影响进行了研究。

In cyclohexanone/acetone mixed solvent, the initial SPS concentration is high.

在非良溶剂体系，可乳化的最大初始浓度比良溶剂体系的高。

Zhongyuan vacuum residue and catalytic cracking decant oil propane deasphalting was carried out at the pilot continuous solvent deasphalting equipment.

以中原某炼油厂减压渣油和催化油浆为原料，结合溶剂脱沥青工艺的特点，以丙烷为溶剂对掺兑油浆后的减压渣油进行丙烷脱沥青研究。

The values of enthalpy and entropy for monomers interacting with solvents have been calculated. In accordance with these results, the dependance of monomers reactivity radio on the polymerization temperature has been discussed.

用NMR法测定了单体与溶剂的络合常数；计算了单体与溶剂相互作用的活化能和活化熵，依此对共聚活性与温度之间的关系进行了讨论。

As green and designable solvents, ionic liquids are attracting more and more attention.

离子液体作为绿色溶剂和可设计性溶剂越来越受到重视。

It indicates that the Ethanol and Methylerie dichloride can extract more active components from P.

在4种溶剂中，乙醇和二氯甲烷两种溶剂更适合于提取侧柏植物中的挥发性活性成分。

Dioxane and cyclohexane can make a small amount of disordered β-sheet and some βturn of CSL change into native β-sheet.

CSL分子的二级结构变化的程度与酶和有机溶剂作用的时间以及有机溶剂的极性强弱有密切关系。

The influence of each condition on the reaction speed and yield was studied, and the optimal conditions were: the ratio of the amount of substance of aromatic amine and heptafluoro-isopropyl iodine was 1:1.1~1.5, the amount of substance of sodium dithionite, sodium bicarbonate, aniline compounds were respectively 1.1~1.3, the amount of substance of phase transfer catalyst TBAB and aniline compounds was 0.05~0.1, the concentration of aniline compound was 0.5~1.0 mol/L, reaction temperature was 10~20 ℃, and the solvent was aether.

最佳结果为：芳胺与七氟异丙基碘的物质的量比1：1.1~1.5，连二亚硫酸钠、碳酸氢钠与苯胺的物质的量分别为1.1~1.3，相转移催化剂四丁基溴化铵与苯胺的物质的量比在0.05~0.1，溶剂总用量使苯胺浓度在0.5~1.0 mol/L；反应温度10~20℃；溶剂采用乙醚。取代基供电子性越强，反应时间越短，产率越高；氨基的对位优先反应，氨基的邻位较难发生反应；且七氟异丙基总是优先取代在芳环电子云密度较高的位置上。

The results show that the particles character as the growth of anion coordination tetrahedron during solvent thermal treatment, where blende-type ZnS particle is in the shape of double cone or tetrahedron, blend-type CdS appears as the tetrahedron, but wurtzite-type CdS is in the shape of cone. In addition, the particles with the better crystallinity are obtained with the increase of solvent thermal treatment temperature and time.

结果表明：采用溶剂热处理，粉末形状呈现负离子配位多面体生长特征，闪锌矿型ZnS粉末由球形变为双锥状或四面体状，颗粒上有明显的电子衍射花纹；闪锌矿型CdS晶体粉末主要呈四面体形状，而纤锌矿型CdS晶体粉末则以锥状为主，并且粉末的晶型随溶剂热处理温度的升高和时间的延长更趋于完整。

Introduced the reaction principle and experimental method of edulcoration arid solvent extraction, has studied the factors of solvent extraction: the phase ratio, the time, the pH, the temperature and so on.

介绍了除杂和溶剂萃取的反应原理和实验方法，研究了相比、时间、pH、温度等对溶剂萃取的影响。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。