The method of enzyme-solvent extraction process for ginkgo biloba leaves was studied.
研究了酶法与溶剂提取相结合提取银杏叶中活性成分银杏黄酮的工艺条件。
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。
The characteristics and applications of complexation extraction process, duel solvent extraction process, membrane extraction process and extraction displacement process are discussed.
综述了有机废水的络合萃取、双溶剂萃取、膜萃取和萃取置换等工艺过程的特点及应用。
The process of removing acetic acid from furfural wastewater by solvent extraction is studied in this paper.
本文研究了溶剂萃取法去除糠醛废水中醋酸的工艺过程。
The process of removing acetic acid from furfur al wastewater by solvent extraction is studied in this paper.
本文研究了溶剂萃取法去除糠醛废水中醋酸的工艺过程。
Unlike conventional solvent extraction, membrane extraction is a dispersion-free extraction process.
与通常的溶剂萃取过程不同,膜萃取过程中没有相分散行为发生。
Objective To study amount of extracting solvent in extraction process of Xuezhiling capsules.
目的探讨血脂灵胶囊提取工艺中提取溶剂的用量。
The extraction and refining process includes distillating washing oil or anthracene oil to get fluorene distillate, then crystallizing the fluorene distillate to get fluorene using cooling or solvent.
芴的提取精制过程是先间歇蒸馏洗油馏份或蒽油馏份切取芴主馏份,再采用冷却结晶法或溶剂结晶法精制芴主馏份得到芴。
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。
Refer to foreignpotented techniques, the principle of deoiling by extraction, technological process, and Seldrion of extraction solvent and equipment are introduced.
本文结合国外专利技术,介绍了萃取法除油的原理、流程及萃取剂和设备的选择。
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 ASE 150 accelerates the traditional extraction process by using solvent at elevated temperatures and pressures.
由于ASE 150是在提高的温度和压力下进行萃取,因此可以加速传统的萃取过程。
Methods Silica gel superfine process was conducted by combining solvent extraction and separation with macroporous absorbent resin.
方法首先用溶剂萃取结合大孔吸附树脂分离,然后用硅胶柱精制提取。
In this dissertation, a process of recovery zinc from low grade zinc oxide ore with HL - SX - EW was studied on the research of zinc solvent extraction.
论文研究了锌溶剂萃取工艺,提出了氧化锌矿渗滤浸出—萃取—电积工艺流程。
The major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.
以粗苯为溶剂萃取脱酚,粗苯的主要消耗是其在处理后氨水中溶解的损失。
The solvent countercurrent extraction process for total flavonoids from Toona sinensis (A Juss.
优选香椿叶总黄酮的最佳提取工艺。
The results show that supersonic method is superior to the solvent extraction method, the process with supersonic cost less time and extract more amounts of Aloesin.
实验表明:超声提取法优于溶剂提取法,所用的时间短,提取率高。
Abstract : A process for extraction of absolute oil from Sichuan 'paste' tobacco was optimized through single factor test and orthogonal test with n-hexane as extraction solvent.
摘要 : 以四川‘糊烟’为原料,正己烷为提取溶剂,在单因素试验基础上再经正交试验优化‘糊烟’净油提取工艺;
It was proved that the operating conditions and module's configuration have no effect on solvent entrainment in membrane extraction process.
结果表明,膜萃取中料液对溶剂只有少量的夹带,并且夹带量与操作条件和膜构件基本无关。
Methods The extraction process was investigated by solvent extraction and ethanol precipitation, with extractive yield and chlorogenic acid as the indexes.
方法以绿原酸含量和提取物得率为考察指标,通过对水提和水提醇沉两种方法进行比较。
Improved extraction process of intracellular medicine, increased yield and reduced solvent consumption.
对胞内药物浸提工艺进行了改进,提高了收率、降低了溶媒消耗。
Different techniques as mechanical pressing, diffusion process and the solvent extraction were tested and compared, and their suitability for industrial application discussed.
研究对比压榨法、油脂扩散渗透法和有机溶剂萃取法的优缺点,探讨其在工业生产上的可行性。
This paper summarizes the process features of purification arsenic removal of copper electrolyte by solvent extraction or continuous electrowinning and makes analysis and comparison.
总结了萃取法和连续电积法两种铜电解液净化脱砷新工艺的特点,并进行了分析比较。
Ultrahigh molecular weight polyethylene fibers(UHMWPE) of different gel concentration were prepared using gel spinning process followed by solvent extraction, drying and drawing.
采用凝胶纺丝工艺制备了具有不同质量分数的超高分子质量聚乙烯凝胶纤维,并对其进行了萃取干燥和后拉伸等处理。
It seemed that adsorption is as good as solvent extraction for Erythromycin recovery process.
可见吸附法可与溶媒萃取法媲美。
Toxicity of DMF, which is a solvent in the butadiene extraction process, was introduced. Its principal preventive measures were described also.
分绍了丁二烯抽提工艺溶剂dmf的毒性及其主要预防措施。
Gas oil fraction of shale oil is unstable. To address this problem, the authors of the article propose a new solvent extraction-alkali washing refining process.
针对页岩油粗柴油馏分不稳定问题,提出了一种溶剂萃取-碱洗精制工艺。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ,用胺类溶剂作萃取剂 ,煤油作稀释剂 ,对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
Using paraffin amine as dissolvent and kerosene as diluent for the purification and defluorination of wet process phosphoric acid by solvent extraction was studied.
为对湿法磷酸进行净化脱氟 ,用胺类溶剂作萃取剂 ,煤油作稀释剂 ,对湿法磷酸进行了溶剂萃取脱氟的工艺研究。
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