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- The isoeugenol aqueous biphasic system was developed successfully for effective transforming isoeugenol to vanillin by Bacillus fusiformis CGMCC1347,which had high tolerance of isoeugenol and was(isolated) by screening and selection from soil. 从土壤中筛选获得一株能耐受高浓度异丁香酚并高效转化生成香草醛的纺锤芽孢杆菌Bacillus fusiformis菌株CGMCC1347,研究了微生物细胞在异丁香酚-水两相体系中转化异丁香酚制备香草醛的过程。
- The isolation of lignin by different approaches such as acid, alkali, supercritical extraction, aqueous biphasic system, mild hydrogena-tion and ionic liquid extraction are reviewed. 综述现有使用酸、碱、超临界、两水相、缓和氢解、离子液等手段分离木质素的方法,指出现有分离技术的发展方向与趋势。
- Keywords Analytical chemistry;Aqueous biphasic system;Extraction;Pd;Propyl-alcohol;Ammonium iodide; 分析化学;双水相体系;萃取;钯;丙醇;碘化铵;
- The Determination of Palladium by Extraction Spectrophotomety in Double Water Phase under Polyethylene Glycol-Ammonium Sulfate Aqueous Biphasic System 聚乙二醇-硫酸铵体系双水相萃取光度法测定钯
- Aqueous biphasic system 双水相体系
- Keywords Organic solvent aqueous biphase system;Lipase;Naproxen;Enzymatic resolution;Asymmetric hydrolysis; 有机溶剂-水双液相体系;脂肪酶;萘普生;酶法拆分;不对称水解;
- The use of IL as reaction media for biocatalysis in these years is discussed.Enzymes of widely diverging types are catalytically active in IL or aqueous biphasic IL systems. 说明了不同类别的酶在离子液体或水合离子液体两相体系中具有催化活性,尤其是脂肪酶,在无水的离子液体介质反应体系中不仅能保持很好的活性,其手性选择性和操作稳定性往往优于传统介质中的表现。
- It is also found that the ratio of ILs in the biphasic system influence the performance of the reaction distinctly. 在离子液体/水两相体系的反应中,两相比例对反应的收率有较大的影响。
- Biphasic systems can provide one way to deal with these problems. 两相体系为这些问题的解决提供了一条新途径。
- By employing water soluble catalysts, the catalyst and product can be separated easily in water/organic biphasic system. 由于采用水溶性催化剂,使得水/有机两相体系中的催化反应具有催化剂与产物容易分离的优点。
- Additionally, immobilized yeast cells exhibits greater biocompatibility with ionic liquids, and could be used repeatedly in biphasic system in whole cell biocatalytic process. 酵母细胞经海藻酸钙固定化后,其在两相体系中的还原能力及稳定性都有明显的提高。
- Separation of Ir from Pt, Pd, Rh and Au by n-Propyl-Alcohol-Sodium Chloride Aqueous Biphasic Extraction System and Its Analytical Application 丙醇-氯化钠双水相体系萃取分离铂、钯、铑、金中的铱及其吸收光谱分析研究
- The results indicate that the activity of HIr(CO)(TPPTS)3 is higher than that of IrCl (CO) (TPPTS)2, and CTAB is a more effective promoter for olefin hydrogenation in the biphasic system. 结果证明HIr(CO)(TPPTS)_3的加氢活性更佳,反应结束后催化剂与产物分离容易;
- In the ethyl-cyanoethyl cellulose(ECEC)/Nylon1010/dichloroacetic acid(DCA) system the ethyl-cyanoethyl cellulose/DCA solution phase and the Nylon1010/DCA solution phase are incompatible and it is a biphasic system. 在尼龙1010/乙基氰乙基纤维素/二氯乙酸体系中,尼龙1010/二氯乙酸溶液相与乙基氰乙基纤维素/二氯乙酸溶液相不相容,各自形成相区。
- In this paper,the IL-CO2 biphasic systems and essential challenges for using ILs in chemical industries are summarized. 简要介绍了离子液体-二氧化碳(IL-CO2)两相体系及IL面临的挑战。
- Nitration of Toluene with Fluorous Biphasic System 氟双相体系中甲苯硝化反应的研究
- thermoregulated ionic liquid biphasic system 两相催化
- Nitration of toluene with fluorous biphase system was studied by using the perfluorous nonene as solvent. 利用全氟壬烯-甲苯两相体系研究甲苯的硝化反应。
- nitration with fluomus biphasic system 氟两相硝化
- I suppose you also have a caste system in your society. 我想你们的社会里也有一种等级制度。