• 通过式反应考察了丙烯甲烷共氧化过程合成环氧丙烷可能性

    Batch experiments were performed to explore the possibility of producing epoxypropane by a cooxidation process.

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  • 探讨催化剂溶剂反应温度反应物用量等对氧化行为影响

    The influence of catalysts, solvents, reaction temperature, dosage of the reactants on the co-oxidation were discussed.

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  • 事实上,2007一项研究计算出这项臭氧保护条约减缓气候变化利处:1990年以来减少1350亿氧化当量的排放,或者说推迟全球变暖7 - 12年。

    Indeed, a study in 2007 calculated the climate mitigation benefits of the ozone treaty as totalling the equivalent of 135bn tonnes of C02 since 1990, or a delay in global warming of seven-12 years.

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  • 其中47个试验180,938例的结果显示氧化补充剂使死亡率增大了5%。

    The results show that in 47 trials involving 180,938 people, antioxidant supplements increased mortality by 5 per cent.

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  • 对于一些材料而言,氧化分散强化的合金或者定向固化的低熔混合物,其使用似乎依赖一个特殊创始人或者创始人团队

    For some materials, such as oxide dispersion-strengthened alloys or directionally solidified eutectics, the usage seems to depend upon a particular author or group of authors.

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  • 在无任何外加溶剂及还原剂条件下,应用高分子金属作为催化剂,选择性催化空气氧化己烷环己和环己醇。

    This macromolecular metalloporphyrin was used as the catalyst for the first time for cyclohexane oxidation to cyclohexanol and cyclohexanone with air in the absence of additives or solvents.

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  • 采用三甲基丙烷三丙烯酸酯(TMPTA)作交联研究对EPDM氧化硫化行为力学性能老化性能的影响。

    The influence of TMPTA co curing agent on the curing behavior, the physical properties and the aging properties of the peroxide cured EPDM was investigated.

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  • 碳氮工艺选择不当表面出现壳状氮化合物氧化等缺陷组织造成其断裂主要原因

    The unsuitable carbonitriding process, internal oxidation, over deep depth of carbonitrided layer and crust like C N compound on the surface are the main reasons to cause fracture.

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  • 采用氯化铽水溶液与草酸为原料,合成了铈铽氧化

    The ceriumterbium coprecipitation oxide was prepared using oxalic acid and cerium chloride.

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  • 通过碱金属离子氧化乙烯(PEO络合配位制备不同比例的PEO聚电解质,将PEO聚电解质尼龙6熔融混挤出,制备抗静电尼龙6复合材料

    Nylon 6/Polyethylene oxide (PEO) polyelectrolyte composites with different molar ratio of alkali metal ion and PEO polymer unit were prepared by means of complexation reaction.

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  • 以CO氧化为探针反应考察了不同制备方法CO氧化性能影响,结果表明浸法制各催化剂其活性明显优于连续浸渍

    Influences of different preparation methods on CO oxidation have been studied. It was found that catalysts prepared by co-impregnation method were superior to those of the sequential one.

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  • 发现氧化不仅缩聚反应具有良好催化作用,且对提高聚物的稳定性有贡献。

    It was found that titanium dioxide possesses not only good catalytic action, but also improves the thermal stability of the resulted copolymer.

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  • 利用控制醇盐水解方法,分别采用正丁醇蒸馏乙醇洗涤这两种工艺,详细研究了氧化粉体制备过程

    By controlling the hydration of alkoxide, and with n-butanol azeotropic distillation and ethanol rinsing methods, the preparation process of superfine titania powder was investigated in detail.

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  • 研究了对丁基酚醛树脂用量对NR/NBR/环氧化天然橡胶(ENR混物动态力学性能影响

    The influence of the p tert butyl phenolic resin level on the dynamic properties of NR/NBR/ENR blend was investigated.

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  • 通过制备烧叠层片式元件实验指出难点在于内电极氧化性能以及与陶瓷界面接触上。

    After the trial of co-fired multilayer chip type component, found the difficulties were oxidation resistance of interior electrode and interface contact between the electrode and ceramic.

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  • 氧化二异丙苯(DCP)引发剂,使用反应挤出机研究不同种类聚乙烯及其混物马来酸酐反应规律

    Taking DCP as initiator, the reaction rule of different kinds of PE and their blends grafted with MAH in a reactive extruder was studied.

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  • 实现甲烷氧化活化转化催化领域具挑战性课题之一

    It is one of the most challenging subjects to realize the co-activation and conversion of methane and carbon dioxide in the catalysis field.

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  • 研究45T10固体粉末法稀土硼铬工艺耐磨性、耐蚀性和高温抗氧化性能

    The processes and properties of RE-B-Cr coating of 45 and T10 steel with solid power have been researched.

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  • 盾叶薯蓣细胞内生真菌re0105培养第二性状POD、PPOPAL活性和过氧化酶、多酚氧化、酯同工酶谱与第一代相比比较稳定

    The second generation callus of co-culture of cell and RE0105 was stable in culture character, POD, PPO and PAL activities and isoenzyme bands of POD, PPO, EST.

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  • 结果表明氧化纤维之间存在界面作为硅相非自发形衬底;

    The results indicate that there is a coupled interface between alumina fiber and Si phase, and the fiber can serve as propitious sites for the heterogenous nucleation of Si phase.

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  • 综述近年掺杂二氧化光催化剂的研究进展。

    The recent progresses of codoped titania photocatalyst are reviewed.

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  • 混膜具有较好的稳定性氧化稳定性力学性能

    Besides, the thermal stability, mechanical strength and oxidation stability were also good enough for demand of AAEMFC.

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  • 本文进行论述摘要如下1氧化合物种重要的含氧三元化合物

    Expounded in this article is divided into three chapters, which are summarized as follows:1. Epoxide and its derivatives are important triatomic heterocyclic compounds.

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  • 综述了国内外环氧化天然橡胶(enr)混物复合材料研究现状应用发展趋势。

    Recent progress in the research of blends and composites of epoxidized natural rubbers (ENR) was reviewed with 11references.

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  • 储运:宜存放阴凉处避免高温,不可近氧化储运。

    Store&shippmeng:store in cool place, avoid high temperature, taking away from fire and profibit to store with oxidant agent.

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  • 储运:宜存放阴凉处避免高温,不可近氧化储运。

    Store&shippmeng:store in cool place, avoid high temperature, taking away from fire and profibit to store with oxidant agent.

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