• 试验结果表明,三辛一种良好工业脱萃取

    It is confirmed that trioctylamine is a good phenol remover.

    youdao

  • 百里溴酸钠溶液丁醇萃取显色产物,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.

    youdao

  • 生姜为原料,采用超临界CO2萃取类化合物。

    The gingerols from ginger were extracted with supercritical CO2 fluid extraction.

    youdao

  • 研究石油萃取、水溶解法、浓缩法分离迷迭香水溶性氧化剂,对抗氧化剂得率含量的影响。

    In the present study, the water-soluble and oil-soluble antioxidants of rosemary were separated with petroleum extraction, water-dissolving and concentration method.

    youdao

  • 恒顺香乙酸乙酯萃取具有自由基清除活性主要清除活性成分酸性化合物

    An ethyl acetate extract of Hengshun aromatic vinegar (he) exerted a weak radical scavenging activity, and the main components were phenolic and acidic compounds.

    youdao

  • 探讨萃取处理废水机理简要地介绍了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.

    youdao

  • 作者选用催化原料—减压蜡油萃取催化裂化废水进行脱预处理。

    FCC raw material oil-decompressed wax oil is used as extraction agent to pretreat FCC phenol-bearing wastewater.

    youdao

  • 结果超临界CO2萃取加入非离子表面活性剂多元醇混合体系大大提高b提取率

    ResultsSupercritical CO2 adding nonionic surfactant mixed system of the polyol could significantly enhance extraction rate of Salvianolic acid B.

    youdao

  • 适当降低萃取操作温度,可以明显降低消耗不会影响效率

    The consumption of crude benzol is obviously reduced by decreasing the extraction temperature properly and it doesn't influence the efficiency of dephenolization.

    youdao

  • 目的研究丹参药材酸类成分的固萃取预富集方法

    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).

    youdao

  • 溶剂萃取,粗苯的主要消耗处理后氨水溶解的损失。

    The major problem of solvent extraction dephenolization process is that crude benzol dissolve in ammonia liquor.

    youdao

  • 发明脱方法简单萃取效率占地面积小,成本提高油品氧化性能造成二次污染

    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.

    youdao

  • 目的建立一种超临界流体萃取高效液相分析耳聋左丹皮方法

    Objective To set up a method of extraction and analysis of paeonol from Erlong Zuoci pills with off-line supercritical fluid and by HPLC.

    youdao

  • 溶剂萃取炼油含废水脱处理

    Wastewater from oil refiner is treated by solvent extraction to dephenolize.

    youdao

  • 通过单因素正交实验研究超临界CO2萃取苹果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.

    youdao

  • 萃取方法有效富集水中痕量

    It shows that the extraction method can be used for enriching trace nonyl-phenol in water efficiently.

    youdao

  • 一种分子量醋化物变色、不污染耐热老化、耐热萃取不易挥发,通常作主抗氧化剂

    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.

    youdao

  • 结论:等温下二异丙基萃取水中对苯二并不很有效。

    The results show that it is inefficient to use diisopropyl ether as extractant to extract hydroquinone from water isothermally.

    youdao

  • 同时,展望了中油萃取废水治理应用前景。

    The prospect of coal tar on the treatment of phenolic wastewater was further described.

    youdao

  • 固相萃取工作站上建立类预处理方法稳定性好,筛选出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.

    youdao

  • 同时对采用固萃取技术萃取样品中的4-氯条件进行了探讨

    The cometabolic degradation pathway of 4-chlorophenol and the conditions are also discussed.

    youdao

  • 磷酸三丁酯(TBP)萃取剂,撞击反应器模拟废水进行萃取研究

    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.

    youdao

  • 实验发现,异-复合溶剂萃取对苯二促进作用。

    Experiment results showed that mixed solvent of isopropyl ether and phenol could promote the extraction of hydroquinone.

    youdao

  • 如果考虑不可萃取,水果中有益原青花素鞣花儿茶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.

    youdao

  • 如果考虑不可萃取,水果中有益原青花素鞣花儿茶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.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定