• 讨论甲酚磺酸甲醛缩合物组成性能关系

    This paper also discusses the relationship between the composition and properties of them cresol sulphonate - formaldehyde condensates MSF).

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  • 甲酚得到的分辨质量浓度偏离实际质量浓度较大

    However, the result ofm-cresol is not satisfied, and the resolved concentration deviates from the actual one severely.

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  • 利用甲酚作指示剂定量地测定食醋含量

    This paper suggested am-cresol purple, which could determine quantitatively the content of total acid in vinegar.

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  • 苯酚间甲酚里酚由于光谱重叠严重,常规分析法直接检测。

    It is difficult to determine the mixtures of phenol, m-cresol and thymol directly by routine analytical method since their fluorescent spectra are overlapped closely.

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  • 电化学极化有效地提高活性炭纤维苯酚苯胺间甲酚AO7的吸附

    The adsorption capacity of phenol, aniline, m-cresol and AO7 on ACFs can also be effectively enhanced by electrochemical polarization.

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  • 标准溶液以纯度为99%间甲酚实验室准确配制分装于5毫升安瓿中

    This standard solution was accurately prepared in super-clean laboratory with m-cresol (99%) and sub-packed in 5ml ampoules.

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  • 通过使用一定配比的乙醇四氢呋喃作混合溶剂第一培养尿素间甲酚复合物单晶

    The complex crystal ofm-cresol and urea has been firstly cultivated by using a mixed solvent including ethanol and THF at a proper ratio.

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  • 介绍了以对、间甲酚为原料一些重要合成香料的种类香气特征用途以及主要合成方法

    The types, aromatic characters, applications and the synthetic methods of some important synthetic per-fumes from p-cresol and m-cresol were reviewed.

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  • 设计了以国内生产甲酚为原料,经过乙酰化、氯化、再酯化醇解等合成羟基苯甲醇的合成路线

    A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.

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  • 容积1反应釜,在剧烈搅拌消除条件下研究了邻甲基苯甲酸空气催化氧化甲酚的反应。

    The synthesis ofm—Cresol from o—toluic acid by air oxidation was studied in a 1 liter reactor under vigorous stirring conditions in order to eliminate film resistances.

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  • 本论文主要研究了硝基甲苯液相催化加氢制备甲苯胺甲苯胺合成甲酚N—乙基甲苯胺的反应工艺条件。

    Them-toluidine was synthesized by catalytic hydrogenation fromm-nitrotoluene and then m-cresol and N-ethyl-m-toluidine were prepared fromm-toluidine.

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  • 介绍燕化公司化工三间甲酚装置改造项目中第一异丙基甲苯提塔(201E改造设计方案及导向筛板的优点设计方法。

    The paper introduces the revamping design scheme of the primary cymene stripper (201E) in them-cresol plant revamping project and puts forward the detailed design method of Linde sieve tray.

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  • 制备对硝基苯甲酰处理甲酚3-羟基-4-氯苯酚,并转化为取代的对硝基苯甲酮

    M-chlorocresol or 3-hydroxy-4-chlorophenol on treatment with p-nitrobenzoyl chloride was prepared and conyerted into substituted p-nitrobezyl ketone.

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  • 比较不同固定液填充毛细管、对甲酚异构体分离效果

    The separation of meta- and para- methyl cresol ether using six type of packed and fused silica capillary columns is compared.

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  • 3,5 -二甲酚原料硫酰氯化四氯化碳溶剂合成对氯甲酚

    Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.

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  • 3,5 -二甲酚原料硫酰氯化四氯化碳溶剂合成对氯甲酚

    Using 3, 5-dimethyl phenol as raw materials, sulfuryl chloride as chlorination reagent and carbon tetrachloride as solvent to synthesize chloroxylenol.

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