1) extractive resolution
萃取拆分
1.
New progresses of these methods are reviewed and the application of membranous resolution and extractive resolution in the preparation of chiral drugs are introduced in this paper.
手性拆分是获得手性药物的重要途径,该文对经典的结晶法拆分、动力学拆分和色谱分离法拆分等手性拆分方法的新进展进行综述,并介绍膜拆分法、萃取拆分法等新技术在手性药物合成中的应用。
3) fractional extraction
分级萃取
1.
The fractional extraction on Longkou lignite by different solvent was used for the studying of the occurrence modes and the variations of small molecular phases in coal.
研究煤萃取后的小分子相的赋存方式及其变化规律,用不同溶剂对龙口褐煤进行了分级萃取。
2.
Group separation of soluble organic compounds in wheat stalk can be achieved by fractional extraction.
采用二硫化碳、苯、甲醇、丙酮和四氢呋喃对未氧化和氧化的麦秆进行分级萃取,比较麦秆各级萃取物的相对含量和组成差异,并对各级萃取物的组成进行GC/MS分析。
4) extraction
[英][ɪk'strækʃn] [美][ɪk'strækʃən]
萃取分离
1.
Separation of amino acids by aqueous surfactants two-phase extraction;
表面活性剂双水相萃取分离氨基酸研究
2.
Extraction Separation and Determination of Ruthenium in Ethanol-salt-water-5-Br-PADAP System;
乙醇-盐-水-5-Br-PADAP体系中萃取分离测定钌
3.
Application of ionic liquids in extraction separation including solid-solid separation of sodium sulphate and taurine,separation of benzene,toluene,ethylbenzene and xylene from coating material and the recovery of nuclear waste using solid-liquid separation,separation of rare metal using monoazo substituted crow ether as ionic liquids,and desulfurization of.
简要介绍了离子液体的合成方法、表征方法及离子液体对高分子材料的溶解性和降解性;详细介绍了离子液体在萃取分离中的应用,包括硫酸钠和牛磺酸的固-固分离,涂料中苯、甲苯、乙苯、二甲苯分离和核废料回收的固-液分离,单偶氮取代的冠醚离子液体对稀有金属的分离及汽油脱硫等液-液萃取分离,离子液体与超临界CO2结合的萃取分离等。
5) extraction and separation
萃取分离
1.
In the design,height of water column is increased and steam-water separation process of diluted acid from the water washing system is improved,which brings into full play the extraction and separation ability of water washing column,meets the requirement of production and reduces the cost.
本文论述了12000t/年HCFC-22工程水洗系统的完善设计,加高了水洗塔的高度,改进了水洗系统产生的稀酸在进行气液分离过程的生产工艺,使水洗塔的萃取分离能力充分发挥出来,满足生产要求,降低成本,同时减少了由于稀酸在气液分离过程中的不合理工艺而造成的环境污染。
2.
The status of process analysis for RE extraction and separation in china is introduced.
简介了我国稀土萃取分离过程分析的现状 ,对稀土分离生产线实现在线分析与自动化控制有一定的参考价
3.
A two-phase system of n-propyl alcohol and water containing iodide and ethyl violet was used for the extraction and separation of Cd2+ complexes in electroplating wastewater,based on the complexing reaction between Cd2+ and iodide and ethyl violet in the presence of(NH4)2SO4.
利用Cd(Ⅱ)与乙基紫(EV)、KI缔合后,加入盐析剂丙醇-水双水相体系萃取分离镉。
6) Extraction separation
萃取分离
1.
Study of n-Propyl Alcohol-Water System in Extraction Separation for Cd~(2+) with Iodide and Ethyl Violet in the Presence of(NH_4)_2SO_4;
硫酸铵存在下的丙醇-水体系萃取分离镉
2.
The extraction separation process for zirconium and hafnium with MIBK was briefly reviewed in this paper.
简要评述了用甲基异丁基酮(MIBK)萃取分离锆铪方法的基本原理、分离工艺和条件、萃取设备。
3.
The characteristics of supercritical CO2 and its applications in green chemical engineering process, especially the applications in extraction separation, reaction separation, multiphase reaction and the elimination of environment pollution, were introduced.
介绍了超临界二氧化碳的有关知识,说明了它在萃取分离、反应分离、多相反应以及清除环境污染物中的重要作用,指出了其目前存在的问题并对其应用前景进行了展望。
补充资料：惯性分级
分子式：
CAS号：
性质：又称惯性力分级。是干式分级的一种，系将固体粒子群分散悬浮于气流中并急剧改变气流的运动方向，利用轻、重粒子惯性力之差使粒子群分级的操作。轻粒子惯性小，随气流一起改变方向并随气流排出；重粒子惯性大，运动方向不易改变而与气流主体分离。
CAS号：
性质：又称惯性力分级。是干式分级的一种，系将固体粒子群分散悬浮于气流中并急剧改变气流的运动方向，利用轻、重粒子惯性力之差使粒子群分级的操作。轻粒子惯性小，随气流一起改变方向并随气流排出；重粒子惯性大，运动方向不易改变而与气流主体分离。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条