试验结果表明,三辛胺是一种良好的工业脱酚萃取剂。
It is confirmed that trioctylamine is a good phenol remover.
以百里酚的次溴酸钠溶液为显色剂,用正丁醇萃取显色产物,以分光光度计比色测定有机相的吸光度值。
Using thymol-sodium hypobromite as chromogenic reagent, and extracting the colour formed with butanol, a spectrophotometric method for the determination of arginine in fermentation broth was studied.
以生姜为原料,采用超临界CO2萃取姜酚类化合物。
The gingerols from ginger were extracted with supercritical CO2 fluid extraction.
研究了石油醚萃取法、水溶解法、浓缩法分离迷迭香水溶性和脂溶性抗氧化剂,对抗氧化剂的得率及总酚含量的影响。
In the present study, the water-soluble and oil-soluble antioxidants of rosemary were separated with petroleum extraction, water-dissolving and concentration method.
恒顺香醋乙酸乙酯萃取物具有弱自由基清除活性,主要清除活性成分为酚性和酸性化合物。
An ethyl acetate extract of Hengshun aromatic vinegar (he) exerted a weak radical scavenging activity, and the main components were phenolic and acidic compounds.
探讨了萃取法处理废水的机理,并简要地介绍了在含酚废水处理中的应用情况。
This paper discusses the mechanism of wastewater treatment by extraction process. and briefly introduces its application in the treatment of wastewater containing phenol.
作者选用催化原料油—减压蜡油为萃取剂,对催化裂化含酚废水进行脱酚预处理。
FCC raw material oil-decompressed wax oil is used as extraction agent to pretreat FCC phenol-bearing wastewater.
结果超临界CO2萃取中加入非离子表面活性剂的多元醇混合体系可大大提高丹酚酸b的提取率。
ResultsSupercritical CO2 adding nonionic surfactant mixed system of the polyol could significantly enhance extraction rate of Salvianolic acid B.
适当降低萃取操作温度,可以明显降低粗苯消耗,而不会影响其脱酚效率。
The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization.
目的:研究丹参药材中丹酚酸类成分的固相萃取预富集方法。
AIM: To apply the solid phase extraction (SPE) on salvianolic acids in Radix Salvia Miltiorrhizae by means of high performance liquid chromatography with mass spectroscopic detector (HPLC MSn).
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 major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.
本发明脱酚方法简单,萃取效率高,占地面积小,成本低,且可提高油品的抗氧化性能,不造成二次污染。
The process is simple, high in extracting efficiency, small in covered area, and low in cost, and can raise the antioxidant performance of oil product without producing secondary pollution.
目的建立一种用超临界流体萃取和高效液相分析耳聋左慈丸中丹皮酚的方法。
Objective To set up a method of extraction and analysis of paeonol from Erlong Zuoci pills with off-line supercritical fluid and by HPLC.
用溶剂萃取法对炼油含酚废水脱酚处理。
Wastewater from oil refiner is treated by solvent extraction to dephenolize.
通过单因素和正交实验研究,对超临界CO2萃取苹果多酚的工艺进行了优化设计。
The supercritical CO2 extraction technology of apple polyphenol was optimized by single-factor and orthogonal experiments.
该萃取方法可有效富集水中痕量壬基酚。
It shows that the extraction method can be used for enriching trace nonyl-phenol in water efficiently.
本品是一种高分子量酚类醋化物,不变色、不污染、耐热载老化、耐热水萃取、不易挥发,通常用作主抗氧化剂。
This product is a high molecular weight phenolic compounds vinegar, no color, no pollution, aging heat load, heat water extraction, less volatile, usually used as the primary antioxidant.
结论是:等温下用二异丙基醚萃取水中对苯二酚并不很有效。
The results show that it is inefficient to use diisopropyl ether as extractant to extract hydroquinone from water isothermally.
同时,展望了中油萃取剂在含酚废水治理上的应用前景。
The prospect of coal tar on the treatment of phenolic wastewater was further described.
在固相萃取工作站上建立的酚类预处理方法稳定性好,筛选出的三种弱极性萃取小柱,回收率较高。
Phenols were extracted and enriched by automated SPE and detected by HPLC. The three kinds of weakly polar extraction columns selected have high recovery for the phenols.
同时还对采用固相萃取技术萃取样品中的4-氯酚的条件进行了探讨。
The cometabolic degradation pathway of 4-chlorophenol and the conditions are also discussed.
以磷酸三丁酯(TBP)为萃取剂,用撞击流反应器对模拟含苯酚废水进行了萃取除酚的研究。
An experimental study was carried out to extract phenol from simulated wastewater containing phenol using tributyl phosphate (TBP) as extractant in an impinging stream reactor.
实验发现,异丙醚-苯酚复合溶剂对萃取对苯二酚有促进作用。
Experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.
如果考虑不可萃取的多酚,水果中有益多酚如原青花素,鞣花酸,儿茶酚含量远远超出人们估计的含量。
If non-extractable polyphenols are not considered, the levels of beneficial polyphenols such as proanthocyanidins, ellagic acid and catechin are substantially underestimated.
如果考虑不可萃取的多酚,水果中有益多酚如原青花素,鞣花酸,儿茶酚含量远远超出人们估计的含量。
If non-extractable polyphenols are not considered, the levels of beneficial polyphenols such as proanthocyanidins, ellagic acid and catechin are substantially underestimated.
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