1)selective extraction选择性萃取
1.Based on chiral ligand exchange,the selective extraction of mandelic acid enantiomers in the emulsion liquid membranes system using copper(Ⅱ) N-n-dodecyl-L-hydroxyproline as chiral selector was studied.基于手性配体交换反应,研究了在含有N-n-十二烷基-L-羟基脯氨酸和铜离子的配合物为手性配体的乳状液膜体系中选择性萃取扁桃酸对映体。
2.The separation of chemical components of freshwater surface coatings, developed in different natural waters, was carried out by means of selective extraction technique, and the results obtained were compared and the serviceability of the selective extraction technique was discussed by comparing the extraction efficiencies.利用选择性萃取分离技术对不同淡水中培养的生物膜主要化学组分 (铁氧化物、锰氧化物和有机质 )进行选择性萃取分离 ,通过比较其萃取效率 ,讨论了选择性萃取分离技术的适用
3.Class selective extraction has been performed by varying the pressure.用乙醇改性的超临界CO2 ,经过压力分级步骤选择性萃取白术挥发油中的不同族组分 ,在低压 (12 0MPa)条件下完成对其中的 β 榄香烯的萃取 ,并且将其在萃取物中的质量分数由高压下的 4 8%提高到低压下的 8 0 % ,萃取率达 94 2 % ,同时降低了对设备的要求。
英文短句/例句
1.The Study of Selective Extraction of Copper from Acidic Solution of Electroplating从电镀污泥浸出液中选择性萃取铜的研究
2.Enantioselective separation of lambda-cyhalothric acid enantiomers by chiral extraction with tartaric esters酒石酸酯立体选择性萃取分离功夫菊酸对映体
3.Enantioselective Separation of Fenvaleric Acid Enantiomers by Chiral Extraction with Lipophilic L-iso-butyl-L-tartaric Esters疏水性L-酒石酸异丁酯立体选择性萃取拆分氰戊菊酸对映体
4.Analysis of extractive separation efficiency of aqueous two-phase system for chromium using flame atomic absorption spectrometry原子吸收光谱法研究双水相体系对铬的选择性萃取分离效率
5.Study on the selection of solvent and extraction conditions for extractive distillation process萃取精馏的条件及选择萃取剂的研究
6.Study on the Selectivity of Imidazolium Ionic Liquids in Extractive Separaction;咪唑类离子液体在萃取分离中的选择性研究
7.Desulfurization of High Sulfide Distilled Diesel by Selective Catalyzing Oxidation /Extraction直馏高硫柴油选择性催化氧化-萃取脱硫研究
8.Selective Separation of Rhein by Molecular Imprinting Polymer and Solid-phase Extraction分子印迹-固相萃取法选择性分离大黄酸的研究
9.Study on Solvent Selection and Batch Extractive Distillation Process;萃取精馏溶剂的选择及间歇萃取精馏过程研究
10.Choosing the best solid phase micro-extraction fiber to extract wine aroma compounds葡萄酒香气成分萃取中固相微萃取纤维的选择
11.Selective enrichment of iridoid glucosides in Hedyotis diffusa Willd. by tandem solid phase extraction串联固相萃取法选择性富集白花蛇舌草中的环烯醚萜苷类成分
12.Selective extraction of oxalic acid from cobalt mother-liquor with complexing agent P350P350选择萃取草酸钴沉淀母液中的草酸
13.Study on Salt Selection and Saline Extraction in Separation Process;盐效分离中盐的选择及加盐萃取的研究
14.Selection of extractive distillation solvent for the purification of 1,2,3-trimethylbenzene from solvent oil从溶剂油中提纯连三甲苯的萃取精馏溶剂选择
15.Application of an optimized molecular design in selecting solvents for extractive distillation改进的分子设计方法在萃取剂选择中的应用
16.Conclusion:This method is simple,highly selective and efficient in extracting the effective component from Daphne odora Thunb fresh flowers.结论 :本法是一种简便、高选择性、高效率地萃取金边瑞香鲜花有效成份的方法。
17.determination of selected monovalent phenols (gas -chromatographic method after enrichment by extraction0可选择单价苯酚的测定-第1部分：萃取浓缩后的气相色谱法
18.Study on the Solvent for the Separation of Isoparaffin and Naphthene (C_8～C_(14)) by Extractive Distillation;萃取精馏分离C_8～C_（14）异构烃和环烷烃的溶剂选择
相关短句/例句
extraction selectivity萃取选择性
1.The extraction selectivity of aqueous ethanol for monoglyceride to diglyceride is better at higher water concentration,higher extraction temperature and lower glycerides load.结果表明,乙醇水溶液可方便有效地萃取酯化产物中的副产物单甘酯,萃取选择性随温度的增加、载荷量的减少、萃取剂中水含量的加大而增加。
2.The extraction selectivity of aqueous ethanol formonoglyceride to diglyceride is better at higherwater concentration,higher extraction temperature and lower glycerides load.结果表明, 乙醇水溶液可方便有效地萃取酯化产物中的副产物单甘酯,萃取选择性随温度的增加、载荷量的减少、萃取剂中水含量的加大而增加。
3)chiral-selector extraction手性选择剂萃取
4)selective extraction technology选择性萃取技术
5)selective chemical extractants选择性萃取剂
6)selective stripping选择(性)反萃取
延伸阅读
连续性与非连续性(见间断性与不间断性)连续性与非连续性(见间断性与不间断性)continuity and discontinuity 11an父ux泊g四f“山。麻以角g、.连续性与非连续性(c。nt，n琳t:nuity一)_见间断性与不间断性。and diseo红ti-
