• 介绍了CO吸附质,在室温脉冲吸附测定催化剂活性表面积方法

    A determination method of active surface areas of copper-containing catalysts by pulse adsorption at an ambient temperature with co as adsorbate is described in the present paper.

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  • 甲酸甲酯氢解制甲醇步骤难点在于环境友好的低温活性铜催化剂的研制。

    Hydrogenolysis of methyl formate to methanol was the rate-determining process and was mainly catalyzed by nickel-based or copper-based catalyst system.

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  • 介绍了所制备活性催化剂用于气相催化加氢还原制备邻(对)甲苯胺的研究。

    A highly active copper catalyst for synthesis of o - (p -) toluidine via vapor-phase catalytic hydrogenation was prepared.

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  • 但是通过加入氮气会改变二氧化钛可见光催化活性

    But adding nitrogen and copper to the mix shifts the preference of the titania tubes to visible light, Grimes says.

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  • 人体必需微量元素之一胎膜中胶原纤维发育成熟的关键赖氨酰氧化酶活性辅基。

    Copper is one of essential trace elements for human, acting as an active agon of lysyloxidase which is critical enzyme for collagen maturation.

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  • 试验表明活性改善齿轮油极压,对抑制腐蚀性防锈性能抗氧化性能均有不利的影响。

    It is concluded that active sulfur compounds may improve the oil's EP property but harm inhibition of copper corrosion, antirust property and anti-oxidation stability.

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  • 研究离子底泥活性污泥硝化活性抑制作用的差异。

    The inhibition of copper ion on nitrification activity of nitrifying bacteria in sediment and activated sludge were studied.

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  • 纳米表面原子晶界原子具有更高表面活性钝化能力大大提高,同时钝化溶解速度加大。

    Surface atoms and intergranular atoms of nc copper have high activity, and that the passivation ability and the dissolution rate of passive film are increased.

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  • 通过氧化物催化剂用于豆油选择氢化研究制备方法氢化条件催化剂活性影响

    The effects of catalyst preparation and hydrogenation conditions on the activity of copper-chromium oxide catalysts for selective hydrogenation of soybean oil was investigated.

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  • 自身对照方法观察灵芝前后铅、锌、、锰、铁、丙二歧化酶(SOD活性的改变。

    The effect of fonr trace elements, malonaldehyde(MDA )and superoxide dismutase (SOD) activity were observed with with. self-control method.

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  • 通过实验发现加氢催化剂活性产物收率催化剂中晶粒大小表面积有着直接关系

    Experiments find activity of hydrogenation catalysts and product yields have direct relation with the copper crystalline size and surface area.

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  • 结果发现:在剂量范围内,随着乙酸剂量增加红细胞的微异常逐渐增加、CAT活性升高,白细胞数目则下降;

    The results show that the rate of micronucleus and nuclear abnormity, and CAT activity increased gradually, the number of WBC descended in low dosage range.

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  • 所得胶体催化丙烯腈水合制备丙烯酰胺具有很高的活性

    The colloidal copper is a highly active catalyst for the hydration of acrylonitrile to produce acrylamide.

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  • 结论缺乏较为严重地影响奶牛红细胞组织atp酶活性抑制了这些组织的正常生理功能

    Conclusion: Copper deficiency had severe effect on the activities of the membrane ATPase of red cell and tissue in calves and restrained the normal physiological function of these tissue.

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  • 活性硫化用于电解阳极细微物质。

    Activated nickle sulfide is a kind of superfine particle used in the removing copper of nickle electrolysis anode solution.

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  • 阐述研究进展,对漆酶研究中的离子活性中心结构催化机理研究作了重点阐述

    The progress on the research of laccases is reviewed in this paper, of which the active centre of copper ions, the three-dimensional structure of protein, and catalytic mechanism are emphasized.

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  • 研究胶体催化丙烯腈水合制丙烯酰胺选择性活性中心结构关系

    The relationship between the high selectivity of catalysis and the structure of active centre of copper colloidal catalyst in selective hydration of acrylonitrile to acrylamide was studied.

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  • 离子反应活性中心

    Copper ions are the active sites for the reaction.

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  • 主要活性成分烷基化合物活性成分的含量为15%。

    The main active ingredient is copper and alkyl ammonium compounds, the active ingredient content of 15%.

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  • 结果表明血浆兰蛋白和转铁蛋白ESR信号幅度作为评价血浆氧化活性一个重要参数可行的。

    It has been shown that it is practicable to take ratio of ESR signal amplitudes of ceruloplasmin -to-transferrin as a cardinal parameter for evaluation of the antioxidant activity of serum.

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  • 由于纳米颗粒具有特殊性能很大活性纳米复合材料制备尤为特殊。

    And as nanoparticles manifest some unusual properties and intensive activity, the preparation methods for nano W-Cu composite material is more particular.

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  • 本文介绍采用络合甲醇催化剂为原料制备五水硫酸活性氧化锌工艺

    A new process which produce copper sulfate pentahydrate and activated zinc oxide from the used catalyst by soaking in complex acid has been introduced in this paper.

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  • 采用蛋白表面活性,经包覆反应过程中新生金属微粒制作出微胶囊

    Microcapsule copper is made by using surfactant of egg glairs to enwrap fresh copper particle produced in reaction.

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  • 本文研究含有活性( 过二硫酸铵高锰酸钾)的碳氨液矿中浸取

    This paper has been studied to soak from the Chalcocite to take copper with the sal volatile containing the active reagent (ammonium peroxydisulphate or potassium permanganate).

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  • 结果表明:两种啉配合物具有较好的仿活性

    It shows the metalloporphyrin has obvious biological activity of mimic enzymes.

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  • 表面活性配合物具有较好的水溶性表面活性不但DM F溶剂中有效催化甲醇、安息空气氧化反应,而且在稀溶液中形成金属胶束也可催化氧化苯甲醇。

    Cu complex of the surfactant have water soluble ability and surface activity, can catalyze the air oxidation of benzyl alcohol or Benzoin not only in DMF solution but also in alkali water solution.

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  • 补充晕船大鼠高岭土摄入量减少,脑水平提高,脑内相关的活性普遍改善

    Supplement of iron and copper decreased kaolin intake, increased iron and copper levels and ameliorated these enzyme activities in brain.

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  • 通过重组SOD技术使失去离子失活蛋白恢复催化活性

    Furthermore, the inactivated enzyme losing metal ion is reactivated by the technology of SOD recomposition.

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  • 一步并沉淀法制备一种活性合成甲醇催化剂

    A high activity Cu base catalyst has been prepared for methanol synthesis by one step parallel flow coprecipitating method.

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  • 测定小鼠部分免疫学指标氧化酶活性研究赖氨酸对小鼠免疫功能抗氧化酶活性影响

    Some immunity index and the activity of anti-oxidation enzymes were measured to study the effect of Cu-Lys on the immunity and the activity of anti-oxidation enzyme in serum of mice.

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