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A selective and mild PS-DIB/ionic-liquid immobilized TEMPO catalytic oxidation procedure of alcohols to the corresponding aldehydes and ketones in ionic liquid BF4 at room temperature was developed. The oxidant PS-DIB was prepared via Iodation and acetylation of polystyrene resin. For the preparation of the ionic-liquid immobilized TEMPO catalyst, 4-(2,2,6,6-Tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide was first synthesized from 2,2,6,6-tetramethyl-piperidin-4-ol-N-oxyl and 1,4-dibromobutane.

将聚苯乙烯树脂先碘化再乙酰基化，制得了负载型二乙酰氧碘苯(diacetoxyiodo polystyrene，PS-DIB)作为氧化剂。2，2，6，6-四甲基-N-氧自由基哌啶醇(2，2，6，6-tetramethyl-piperidin-4-ol-N-oxyl，TEMPO)与1，4-二溴丁烷反应生成4-溴丁氧基-2，2，6，6-四甲基-哌啶-1-氧化物，再与N-甲基咪唑发生季铵化反应，生成的溴化季铵盐与四氟硼酸钠进行离子交换制得氟硼酸型2，2，6，6-四甲基-N-氧自由基哌啶负载离子液体TEMPO-IL。

For the equilibrium system of chloroaluminate ionic liquids-heptane-aromatics,the aromatics distribution coefficients and the selectivities of ionic liquids for aromatics/heptane were influenced by the structure of ionic liquids,structure of aromatics and temperature.

对于氯铝酸离子液体-正庚烷-芳烃平衡体系，芳烃在离子液体/烃相间的分配系数Daro和离子液体对芳烃/正庚烷的选择性Saro/hep随离子液体的结构、芳烃结构和温度等因素的变化而有所区别。

The effects of protein on calcium oxalate crystal growth was tested using a seeded crystallization technique at various ionic strength and pH. The results indicated that in the range of physiological ionic strength, the higher the ionic strength, the lower the inhibitory activity of urinary prothrombin fragment〓 and Tamm-Horfall mucoprotein .

三、用种晶技术检测尿凝血酶原激活肽片段〓、白蛋白和Tamm-Horsfall蛋白对草酸钙晶体生长的抑制指数，观察生理范围内离子强度和PH变化对尿液大分子蛋白质抑制活性的影响。

As hydroxyl and sulfonyl dual-functionalized zwitterionic salts and ionic liquids, they may be used for synthesizing other functionalized ionic liquids or ionic liquid-polymer.

该内盐和离子液体中的活性羟基的存在，为进一步引入其他功能基团或制备离子液体聚合物提供了切实有效的基础。

The experimental results showed that using ionic liquid Et3NHCl-2AlCl3 under the conditions of an extraction temperature of 40℃, an extraction time of 40 min and an agent/oil ratio of 0.02, the sulfur removal rate was more than 90%. The ionic liquids could be used repeatedly for 4 times and the used ionic liquids could be regenerated by vacuum distillation, about 52.34% of the thiophen was recovered during regeneration.

实验结果表明，选用无水AlCl3与Et3NHCl的摩尔比为2.0的离子液体进行萃取脱硫实验，当萃取时间为40 min、温度为40 ℃、剂油体积比为0.02时，脱硫率可达到90%以上；离子液体不仅可以重复使用4次，而且还可以通过减压蒸馏的方法进行再生，在再生过程中可回收约52.34%的噻吩。

Synthesis of isopropyl chloroacetate catalyzed by acidic ionic liquids was studied,including influences of different ionic liquids,reaction temperature,reaction time and quantity of ionic liquid.

研究了功能化酸性离子液体催化合成氯乙酸异丙酯的反应，考察了不同离子液体、反应温度、反应时间和离子液体与反应物物质的量比等对反应的影响。

The application of ionic liquids aqueous solutions as solvents in the microwave-assisted extraction technique was developed for the extraction of lycorine, lycoramine and galanthamine from Lycoris. Effects of different ionic liquids and the concentration of selected ionic liquids on MAE were investigated, and tradition organic solvent and extraction techniques were compared.

1引言自1986年Ganzler等[1]首次报道采用微波辅助萃取天然产物中化学成分以来，微波辅助萃取技术在食品、环境和天然产物等领域得到了广泛的应用[2~5]，它以萃取时间短、溶剂用量少、选择性强、萃取效率高等优点在中药有效成分的萃取分离方面得到广泛关注[5，6]。

In order to solve the problems of complex cellulose production process and serious pollution, The paper investigated the solubility of cotton stalk cellulose in ionic liquid N-ethyl pyridinium bromide. The structural differences between cotton stalk cellulose and cellulose regenerated from the ionic liquid were investigated using infrared spectroscopy and chemical analysis. Recovery ratio of ionic liquids was also studied.

为解决纤维素生产加工过程复杂且污染严重问题，试验探讨了棉秆纤维素在离子液体溴代N-乙基吡啶中的溶解性能，采用红外光谱等手段对棉秆纤维素在离子液体中溶解和再生前后的结构变化进行了分析，并探讨了离子液体的回收。

To economize cost of S03H-functionalized ionic liquids,extend their range of application in chemistry reaction,fifteen of ionic liquids have been synthesized by using methylimidazole,tri-alkylamine,pyridine with industrial materials 1,4-butane-sultone and 1,3-propane sultone as source in this paper.The ionic liquids were synthesized by tri-alkylamine have not been reported and yields are higher than 98%.

为了降低SO_3H-功能化离子液体的成本，使其应用范围更加广泛，本论文利用N-甲基咪唑、三烷基胺、吡啶和廉价工业级原料1，3-丙烷磺内酯、1，4-丁烷磺内酯为原料来源，合成十五种SO_3H-功能化离子液体，三甲胺为原料合成的SO_3H-功能化离子液体还未见文献报道，收率大于98%。

This Ionic Pro bonus pack includes TWO of the Ionic Pro CA200 Compact Air Purifier units plus TWO of the Ionic Pro CAC1 Car Ionizers --- all for 1 special price.

离子专业契约的负离子空气净化机是紧凑型原离子Pro和是提供了完美的清新，净化空气在家里或办公室的小房间。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。