• 采用微波提取硫酸-苯酚法测定熟地多糖含量

    Methods: the experiment USES the microwave method to extract and sulfuric acid-phenol method to measure Radix Rehmanniate polysaccharide content.

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  • 本文采用硫酸苯酚法糖化分光光度结合测定含藻水溶液中总浓度的变化。

    In this article, the phenol-sulfuric acid method combined with caramelization - grating photometer method is used to determine and monitor the content of sugar in algae solution.

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  • 目的建立毛细管色谱同时测定止痒苯酚薄荷脑含量

    Objective to establish a capillary gas chromatography for determining the contents of phenol and menthol in itch relief agent.

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  • 结果苯酚胶浆模型基本符合临床慢性盆腔病理表现

    Result: the experimented big mice created by the phenol glue method basically matched with the clinical pathologic manifestation of chronic pelvic inflammatory disease.

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  • 苯酚众多合成中,甲苯氧化显示出优势潜力

    Among its many synthetic methods, the means by toluene oxidation has gained superiority and potential for development.

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  • 采用活性炭纤维吸附净化水中微量的苯酚

    The application of activated carbon fibers (ACFs) to removing phenol from water was studied.

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  • 动态研究芦苇湿地土壤对苯酚净化效果及其影响因素

    The study on the purification ability of reed wetland soil and influence factors of the phenol by dynamic method was conducted.

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  • 操作简单、快速、准确,适合于苯酚焦油回收苯乙酮的生产过程分析成品质量检验

    It could be used as the process and quality control means in acetophenone from phenol tar.

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  • 采用流动研究苯酚砂土中的吸附

    Fluid column has been adopted in the research on adsorption of phenol in fine sandy soil saturated with water.

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  • 动态研究水细沙土含酚废水垂直流动情况土壤颗粒苯酚吸附过程

    In this study, adsorption mass transfer process of phenol by soil particles was investigated by means of dynamic method in a water-saturated fine and column under vertical flow of phenolic effluents.

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  • 探讨了HPLC同时分析水中苯酚对苯二酚、间苯二酚邻苯二酚混合物条件

    The simultaneous analysis conditions of phenol, hydroquinone, hydroxyphenol and odi-hydroxybenzene mixture by HPLC were discussed.

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  • 采用紫外分光光度研究了植物油脂吸附苯酚性能

    The adsorption performance of plant oil for phenol was studied by ultraviolet spectrophotometry.

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  • 采用吸收进行焦化厂剩余氨水苯酚脱除和回收试验。

    A new technique for the recovery of ammonia and phenol from the residual ammonia wastewater of coking mill with hydrophobic microporous hollow fiber membrane absorption has been developed.

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  • 采用薄层色谱苯酚—硫酸比色

    METHODS:TLC and phenol-sulfuric acid methods were used to qualitative and quantitative analysis of polysaccharides.

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  • 动态静态降解研究芦苇湿地土壤苯酚净化效果及其影响因素

    Through experiments of static degradation and dynamic soil column, both purification efficiency of phenol and influences of reed wetland soil were studied.

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  • 运用衍生相色谱GCMS黄磷诱发氧化水中苯酚的降解产物进行了定性、定量分析,并初步探讨反应机理

    The mechanism of yellow phosphorus induced oxidation of phenol in water has been tested with the products analyzed by GC and GC/MS after derivatization to study the reaction pathway.

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  • 葡萄糖氧化酶血糖,按苯酚-硫酸肝糖元含量。

    Blood glucose and liver glycogen were measured by GOD method and phenol_su.

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  • 木质素磺酸为原料,采用苯酚-硫酸其进行酚化改性

    In this paper, a kind of calcium lignosulfonate was phenolated by the method of phenol-sulfuric acid.

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  • 结论简便快速准确可作为炉甘石薄荷脑洗剂苯酚含量测定

    Conclusion the method is simple, rapid and accurate. The method is suitable to determine the phenol content in calamine and menthol lotion.

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  • 通过比较认为,氧化还原未来实现直接羟化合成苯酚工业化优选

    And it is considered that the reduction-oxidation method would be the optimum method for realizing in industry direct hydroxylation of benzene to phenol.

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  • 紫外分光光度苯酚-硫酸

    Method: Ultraviolet spectrophotometry, Phenol-sulfuric acid method.

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  • 采用苯酚-硫酸单糖混合物标准品测得粗多糖中总糖含量为79.14%。

    Phenol-sulfuric methods were used for the detection of the content of polysaccharide. The content of polysaccharide is 79.14%.

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  • 分别采用苯酚硫酸刚果红、双改良双酶测定-聚糖含量比较结果

    Methods the content of - glucan determined by phenol - sulfuric acid method, congo red method, two enzymes method and modified two enzymes method, respectively and compare these four methods.

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  • 简要介绍了苯酚几种生产工艺,异丙、甲苯-苯甲酸和苯直接氧化

    The production technologies of phenol are briefly introduced, i. e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene.

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  • 经回收率试验确定苯酚-硫酸检测此EPS

    The method of detection of EPS was determined as phenol-sulfuric acid method by the experiment of recovery rate.

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  • 采用苯酚-硫酸

    Methods Phenylhydrate-sulfuric acid method was used.

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  • 最后评述了一合成酰胺基苯酚工艺优点

    Finally the merit of new one-pot method for synthesis ofp-acetylaminophenol was reviewed.

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  • 采用苯酚-硫酸

    Methods Phenol-sulfuric acid procedure was used.

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  • 水中苯酚、五酚、2,4,6-三氯酚高效液相色谱

    HPLC Determining phenol, pentachlorophenol, 2. 4. 6-trichlorophenol in Water.

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  • 人参根磨后,蒸馏水提取超声波提取人参根中人参多糖,采用苯酚-硫酸比色测定多糖含量。

    Using distilled water as extraction agent, ginseng polysaccharides were extracted by method of ultrasonic wave from ginseng powder.

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