The effects of radiation time, microwave power, volume of solvent for extraction and the volume of solvent for washing cake on extraction yield are discussed in orthogonal experiments.
考察了微波辐射时间、微波功率、溶剂用量、洗涤滤饼的溶剂量对提取率的影响。
Therefore, early in the validation program, it is important to assure that the sampling medium and solvent (used for extraction from the medium) are satisfactory and can be readily used.
因此,在早期的确认程序中,保证取样媒介和溶剂(用于从媒介中萃取)的满意度和它们可以被使用是很重要的。
Solvent extraction for regeneration of catalyst was proposed.
同时提出了溶剂萃取再生催化剂的方法。
Objective An extraction process for pectin from pineapple residue was studied using ammonium oxalate as the extraction solvent combined with ultrasonication.
目的:探讨采用草酸铵作为提取溶剂和超声波振荡处理法提取菠萝皮渣果胶的工艺条件。
As a new method of nickel extractive metallurgy, the process of chlorine leaching purification electrolysis for nickel sulphide concentrate usually USES solvent extraction as its purification.
硫化镍精矿氯气浸出—净化—电积工艺作为镍提取冶金的新方向,其净化过程大多采用溶剂萃取方法。
Solvent extraction based on reversible chemical complexation can showed its high selectivity and high capacity for separation of polar organics from petroleum hydrocarbons.
采用萃取分离方法从石油烃中分离极性有机物具有高效性和高选择性。
This study developed a method for simultaneous determination of 47 organophosphorous pesticides in greasy wool by accelerated solvent extraction (ASE) coupled with GC-NPD.
建立了快速溶剂萃取-气相色谱法同时测定含脂羊毛中47种有机磷杀虫剂残留量的方法。
Results show that the mixed solvent can give high distribution extraction rate for acetic acid wastewater. Back extraction rate was 98. 4%.
试验结果表明:混合溶剂对废水中的醋酸有较高的萃取率,反萃取效果为98.4%。
The use of three methods for extraction of peony seeds Mechanical crushing extraction method, Organic solvent extraction method, Supercritical CO_2 extraction method.
利用三种方法对牡丹籽进行萃取:机械压榨法、有机溶剂萃取法、超临界CO_2萃取法提取牡丹籽油。
The method of extraction by supercritical carbon dioxide is a method of using carbon dioxide as solvent for extracting.
超临界二氧化碳萃取法是使用二氧化碳作为萃取溶剂的方法。
Silica gel column chromatography and solvent extraction were used to separate grease and abradant in a kind of excellent polishing paste for plastics, respectively.
分别采用硅胶柱色谱法和溶剂抽提,分离优质塑料抛光膏中的油脂和磨料部分。
This article introduced a new method of automatic extraction Accelerated Solvent Extraction (ASE), and its principle and application for residual analysis of pesticides.
本文介绍了一种新型的全自动萃取方法-快速溶剂萃取(ASE)技术,以及它在农药残留分析中的应用。
It has a promising profit that extraction of biological molecule by reversed micellar, for the more mild operational condition, higher extraction yield, lower cost and solvent recycling.
反胶束萃取技术具有条件温和,萃取效率高,成本低,溶剂可重复利用,不引起萃取物变性等优点,用于纯化生物物质前景广阔。
This work has some referential significance for designing it by solvent extraction.
该项工作对溶剂萃取法精制湿法磷酸工艺设计,有一定的参考价值。
A method for extraction of aromatic hydrocarbon using sulfolane as solvent is described.
介绍以环丁砜为溶剂、萃取芳烃的方法。
The application of accelerated solvent extraction(ASE) technique for the Analysis of active components in traditional Chinese medicinal herbs was introduced by using two kinds of herbs as examples.
以两种药材为研究实例,对加速溶剂萃取法(ASE)在中药材有效成分提取研究中的应用进行了简要介绍。
Determination of free water for compound fertilizers is usually applied Karl Fischer method or vacuum oven method, a different extraction solvent can selected as Karl Frscher method is applied.
复混肥料中游离水含量的测定方法通常采用卡尔·费休法或真空烘箱法,用卡尔·费休法测定时又可选用不同的萃取剂。
For the high distribution coefficient dyestuffs, they could be recovered from their dilute solutions by solvent extraction, while the loaded solvent could be re generated by electro extraction.
对于油溶性好的染料,则可用萃取进行染料的回收,而用电泳萃取方法进行溶剂再生。
In this paper, the superiority of solvent extraction process for furfural separation is emphasized and distribution coefficients of 31 solvents are compared.
本文介绍了溶剂萃取法分离糠醛的优越性,比较了31种溶剂对糠醛水溶液的分配系数。
For solvent carotenoids extraction, the main affecting factors, such as solvent, grinding granularity, liquid-solid ratio, extracting times, temperature, and distilling time, were studied.
有机溶剂萃取研究中,对影响类胡萝卜素萃取率的各个因素,如提取溶剂、物料粒度、液料比、提取温度、提取次数、以及提取时间等分别进行了研究。
The process for removing acid from Nanhai Crude using LES-1 extraction solvent is studied on LES extraction pilot plant.
在LES萃取脱酸试验装置上,用LES-1萃取剂对南海原油进行了脱酸工艺研究。
The separation technique of solvent extraction can be high capacity for treatment of organic wastewater.
萃取技术对于有机废水的处理具有高效性。
Extraction processes for water soluble alkaloids from Rauvolfia vomitoria Afzel with various mixed solvent systems were described.
用混合溶剂提取法研究催吐萝芙木水溶性生物碱的浸提工艺。
Supercritical fluid extraction, microwave assisted extraction and accelerated solvent extraction have reduced the time and solvent needed for sample extraction.
超临界流体萃取、微波辅助提取、加速溶剂萃取等使样品的提取时间缩短并减少了溶剂用量。
As extraction solvent of oils and greases, cleaners for various of articles surfaces.
可作各种油脂、精油类的萃取用溶剂,各种机件表面用清洗剂。
The laboratory equipment was suitable for remote operation with highly radioactive solutions, and study of fission product behavior in solvent extraction at short residence times.
在处理高放溶液时,这种设备可以远距离操作,并可以进行短停留时间条件下裂变产物在溶剂萃取过程中的行为研究。
A gas chromatographic method for analysis of hydrocarbons in edible oil extraction solvent was developed.
建立了食用油脂浸出溶剂组成的气相色谱分析方法。
Extensive application in paint remover, diluent, cleaning agent, extraction. It has high solvent power for both polar and non-polar substances.
广泛用作脱漆剂、稀释剂、洗涤剂、萃取剂。对极性及非极性物质均具有极强之溶解力。
An integration technology of solvent extraction succeeded by hydrocracking for processing coker gatch was developed by Refining Research Institute of Luoyang Petrochemical Engineering Company.
为合理利用焦化蜡油,洛阳石化工程公司炼制研究所开发了焦化蜡油溶剂精制加氢裂化组合工艺。
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。
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