• 环烷基调配了一种防锈性能良好噪音轴承防锈油

    It is formulated a rust - proof oil to low noise bearings with naphthene base oil which has good rust - proof property.

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  • 报道乙烯液相烷基工艺及其所用AEB分子筛催化剂

    This article introduces the production technology of ethyl benzene by circulation process for liquid phase and its AEB type zeolite catalyst.

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  • 渤海361原油烷基原油,生产优质道路沥青良好原料

    Bohai 36 1 crude is classified to low sulfur naphthenic base crude oil, which is a good feedstock for producing high grade road asphalt.

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  • 辽河分公司蒸馏装置改造之后主要加工高酸值、强腐蚀性的低环烷基原油

    The south crude distillation unit in Liaohe Petrochemical Company mainly processes high-acid-value, corrosive and low-freezing-point naphthenic crude oils after revamping.

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  • 发现环烷基矿物油混合油做基础油时,合成的锂基脂具有好的噪声特性

    To find that mixture of naphthenic mineral oil and ester oil as base oil, the grease has a proper noise character.

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  • 合成了2种助活性剂23-二丁二环烷基胺氢溴酸盐,制备了ES系列活性焊剂

    Two active agents for soldering, 23 Dibromosuccinic acid and cycloalkanamine hydrobromide were synthesized. A series of ES active soldering fluxes were prepared.

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  • 主要杀菌机理环烷基咪唑季铵盐DNA结合引起DNA突变,从而导致细菌死亡

    The bactericidal mechanism is mainly involved in the combination of NIS with DNA, which causes DNA mutations and finally results in bacterial death.

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  • 相转移催化环烷基反应适合采用无溶剂法来进行反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂

    The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.

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  • 随着演化程度加深,链烷烃甲基烷烃作用、构化作用烷基化程度不断提高

    The degree of hydrocarbon evolution increases with depth, which is accompanied by demethylation of alkanes, ring opening of cycloalkanes, aromatization and heightening alkylating degree.

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  • 本文利用高压dsc各种燃料(正构烷烃、烷烃、烷基芳烃和双烃)的安定性进行研究

    In this paper, the experimental investigation on the stability of various fuel hydrocarbons was carried out by high pressure DSC.

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  • 研究烷基苯基硅铜酸盐与2-1,4-加成反应的立体选择性,并合成一系列新的2-取代-3-硅基烷酮。

    The stereoselectivity of 1,4-addition of dialkylphenylsilyl cuprates to 2-cycloenones was investigated and meantime a series of new 2-substituted-3-silylcycloalkanones were synthesized.

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  • 研究烷基苯基硅铜酸盐与2-1,4-加成反应的立体选择性,并合成一系列新的2-取代-3-硅基烷酮。

    The stereoselectivity of 1,4-addition of dialkylphenylsilyl cuprates to 2-cycloenones was investigated and meantime a series of new 2-substituted-3-silylcycloalkanones were synthesized.

    youdao

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