• 利用植物生产纯化对苯二甲酸PTA乙二醇MEG)。

    Use plants to manufacture purified terephthalic acid (PTA) and monoethylene glycol (MEG).

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  • 探讨了以负载型对甲苯磺酸为催化剂合成乙二醇硬脂酸酯的工艺。

    The synthesis of ethylene glycol mono stearate by supported p-toluene sulfonic acid was investigated.

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  • 报道油酸乙二醇(400)磷酸酯合成分析应用

    The preparation, analysis and application of mono-oleic polyethylene glycol(400)phosphate were presented.

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  • 介绍了乙二醇回收装置的工艺流程操作控制及其应用效果

    The technological process and operational control of glycol monoethyl ether's recovery package and applied effect were introduced.

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  • 考察了乙二醇乙酸摩尔比及催化剂用量酯化影响

    The effect of molar ratio of ethylene glycol monomethyl ether and glacial acetic acid and catalyst dosage on esterification are discussed.

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  • 相比之下乙二醇硬脂酸酯产生珠光强烈乙二醇硬脂酸酯产生的珠光较细腻。

    Comparatively the glycol double stearin produces the pearly luster is intense, the glycol single stearin produces the pearly luster is exquisite.

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  • 条件下产物乙二醇(6000)硬脂酸酯含量93%。

    The content of polyethylene glycol(6000) monostearate in the product could reach 93% under the optimum condition.

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  • 以聚乙二醇- 200丙烯酸直接缩合反应在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇

    Acrylate polyethylene glycol monoester was synthesized by condensation of PEG (200) and acrylic acid without water-carrying reaction.

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  • 美国日本化妆品市场至今乙二醇苯醚作为重要杀菌剂

    So far the EPH is still used as an important disinfectant in the cosmetics market in America and in Japan.

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  • 介绍乙二醇异丁醚反应机理原料摩尔、反应温度反应时间等因素对合成反应影响

    This paper dealt with reaction mechanisms and synthesis and the effects of raw materials mole ratio, reaction temperature and reaction time.

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  • 以高氯酸催化剂,环氧乙烷反应生成分子量分布乙二醇低碳醇醚,确定适宜工艺条件

    Reaction of lower primary alcohol and ethylene oxide was studied by zinc perchlorate as catalyst, and the products are narrow distributed. The suitable process conditions have been established.

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  • 将硫酸氢作为乙二醇乙酸酯化合成乙二醇甲醚乙酸酯催化剂

    Sodium bisulfate was used as the catalyst for esterification of ethylene glycol mono-methyl ether and acetic acid to ethylene glycol monomethyl ether acetate.

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  • 美国、日本化妆品市场,至今仍乙二醇苯醚作为重要的杀菌剂

    The effectiveness of adding EPH in detergent and cosmetics used as disinfectant, preservative and deodorant is described in some examples.

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  • 研究对甲苯乙二醇制备对甲苯磺酸乙二醇合成工艺。

    Toluene-4-sulfonic acid 2-hydroxy-ethyl ester was synthesised by p-toluenesulfonyl chloride with glycol.

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  • 乙二醇乙二醇甲醚;

    Ethylene glycol monomethyl ether;

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  • 解决胶原免疫原性,采用经氯甲酸对硝基苯酯活化甲氧基聚乙二醇修饰胶原酶。

    In order to overcome the immunogenicity of collagenase, the enzyme was modified with monomethoxypolyethylene glycol 5000 (mPEG) activated by p nitrophenyl chloroformate.

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  • 二硫代磷酸聚乙烯乙二醇聚乙烯乙二醇醚的O,O-混合二酯;

    Phosphorodithioic acid, mixed O, O-diesters with polyethylene glycol monodecyl ether and polyethylene glycol monooctyl ether;

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  • 乙二醇乙酸醋酸酯做为一种高档溶剂,有着广阔的应用前景

    As a high-grade solvent, 2-ethoxyethanol acetate will have a good future to be used in chemical industry.

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  • 本文利用具有配位、溶解还原能力二胺-乙二醇二元混合溶剂体系制备近似分散的二硫化镍微球

    In this thesis, an ethylenediamine-glycol mixed solution system which has good abilities of coordination, dissolution and reductivity has been used to synthesize near monodispersed NiS2 microspheres.

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  • 本文利用具有配位、溶解还原能力二胺-乙二醇二元混合溶剂体系制备近似分散的二硫化镍微球

    In this thesis, an ethylenediamine-glycol mixed solution system which has good abilities of coordination, dissolution and reductivity has been used to synthesize near monodispersed NiS2 microspheres.

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