• 化反应中,利用价廉制备的过甲酸以几乎定量收率得到了环氧化合物

    The use of performic acid, an affordable and easily prepared reagent, in epoxidation led to quantitatively the target epoxide.

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  • 合后便构成化合物

    Carbon combines with oxygen to form carbon oxides.

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  • 这些物质大多数化合物

    Most of the substances are oxygen containing compounds.

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  • 可溶解金属氧化合物都是

    Soluble metallic hydroxides are bases that are alkalies.

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  • 英国同意减少发电站氧化合物排放量

    Britain agreed to cut emissions of nitrogen oxide from power stations.

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  • 然而关于氧化合物选择性关系变得相反。

    However, regarding selectivity towards oxygenates the relationship becomes the opposite.

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  • 二异丙基种新的汽油氧化合物抗爆添加剂

    Diisopropyl ether (DIPE) is a new kind of oxygenated anti knock additive for gasoline.

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  • 氧化合物

    Nitrogen oxide.

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  • 因此清除活性化合物化剂可能看起来合理解决方案

    So antioxidants, which mop up the reactive oxygen compounds, may seem like a logical solution.

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  • 相对镍氢电池这种物质的实体材质被称为镍氢氧化合物

    For the nickel-metal hydride version of the battery, that material is a substance called nickel oxyhydroxide.

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  • 化合物发现整个机构-例如中枢神经系统

    Cyclo oxygenase compounds are found throughout the body - for example, in the nervous system and stomach.

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  • 石油化学加工原料气中含化合物含量有严格规定

    For strict quality control, a limit is set on the content of oxygenated compounds in the feed stocks of petrochemical processing.

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  • 国家艺术燃料氧化合物特别是地下水甲基叔丁基醚

    The state of the art on fuel oxygenates, and in particular of MTBE in groundwater, is presented.

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  • 文章回顾中子散射高温超导化合物激发研究中的最新进展

    We review current progress in the neutron scattering studies of magnetic excitations in high-transition temperature (high-T_c) copper oxide superconductors.

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  • 例如化合物可以开后修复表面——像是皮肤割开后愈合那样

    For example, epoxy compounds can heal surfaces if they get cut - in just the same way that a scab forms if skin gets cut.

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  • 有关离子蓄电池正极材料的研究大部分集中过渡金属嵌锂化合物上。

    Much attention is paid to the transitional metal oxides as the cathode materials for lithium ion batteries.

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  • 但是今天美国人往返mcmansions所排放氧化合物有多少呢?

    But what about all the carbon dioxide being spewed out today by Americans commuting to McMansions?

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  • 在实验过程中筛选出几种化合物丁基化合物作为汽油抗爆添加剂

    Some of phenol compound and oxygen containing compounds with tertiary butyl group were screened to use as gasoline antiknock additives.

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  • 化合物改性脱细胞真皮基质拉伸强度大幅度提高收缩温度相应提高

    And the acellular dermal matrix modified by epoxy compound is improved a lot in tensile strength and a certain increase in shrinkage temperature.

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  • 排放废气中的氮氧化合物已经成为一个严重环境问题日益引起人们的关注

    Nitric oxide covered in the exhaust gas has become a serious problem of environment, which attracts increasing attention.

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  • 化合物空位形成有利于阴极的电子发射,缺位增强氧化合物半导体

    The formation of oxygen vacancies enhances semiconductor property of La-O compound and improves greatly the performance of cathodes.

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  • 提出了估算含氧化合物正辛醇/水分配系数基团贡献法———GC-K3基团贡献法。

    New method named GC-K3 group contribution method for the esxtimation of the octanol-water of oxygenous compounds is presented.

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  • 目的探讨化合物交联静脉管道外观形态,组织稳定性流体物理性能的特征。

    ObjectiveTo investigate the morphologic and mechanical properties of bovine jugular venous con- duit with valves fixed with polyepoxy compound.

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  • 本研究采用常压化学气相沉积CVD)的方法金属铝基底上制备化合物陶瓷层。

    A new kind of silicon oxidic film on aluminum was prepared by chemical vapor deposition (CVD) in ambient pressure.

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  • 甲醇C1化学重要产品深加工产品涉及烯烃有机酸各种含化合物二甲甲醛

    Methanol is an important product from C1 chemistry and its derived products include ethylene, organic acids, oxygen containing compounds, dimethyl ether, formaldehyde, etc.

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  • 自从氧化合物20年前发现以后,理解它们导电性的微观来源一直是凝聚态物理中的核心课题。

    Since its discovery 20 years ago, understanding the microscopic origin of superconductivity in these copper oxides has been the "holy-grill" in condensed matter physics.

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  • 丝素蛋白水溶液与环化合物PGDE反应制备丝素凝胶CFG结构进行了研究

    The structure of cross-linked fibroin gel(CFG) prepared by the reaction of cross-linking (agent) epoxide polyethylene glycol diglycidyl ether(PGDE) with silk fibroin solution was investigated.

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  • 特别石油工业来说,术语加入燃料减少发动机化碳排放物化合物例如醚类醇类

    Specifically for the petroleum industry, this term refers to oxygen containing compounds, such as ethers and alcohols, added to fuels to reduce carbon monoxide in the engine exhausts.

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  • 这些燃烧过程同样释放化学物质如甲烷氧化合物挥发性有机化合物化碳光照下反应形成

    These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.

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  • 这些燃烧过程同样释放化学物质如甲烷氧化合物挥发性有机化合物化碳光照下反应形成

    These same processes also release chemicals that combine in sunlight to form ozone: methane, nitrogen oxides, volatile organic compounds, and carbon monoxide.

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