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催化剂     
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  catalyst
    A New Structured Vanadium Catalyst and Its Design, Manufacture and Tests
    新型整体式钒催化剂的设计、制备与研究
短句来源
    KINETIC STUDIES ON THE OXIDATION OF SULFUR DIOXIDE ON VANADIUM CATALYST——I. Rate Equations with Yung-lee Catalyst
    二氧化硫在钒催化剂上氧化动力学的研究——Ⅰ.永利钒催化剂的动力学方程式
短句来源
    The Influence of the Size of A Catalyst on the Behavior of Bubbles
    从气泡的行为看催化剂粒度对流态化质量的影响
短句来源
    Determination of Tortuosity for Z-type Natural Gas Steam Reforming Catalyst
    Z型天然气蒸汽转化催化剂弯曲因子的测定
短句来源
    Multicomponent Diffusion Model for Effectiveness Factor of Ammonia Synthesis Catalyst
    氨合成催化剂内表面利用率的多组分扩散模型
短句来源
更多       
  catalysts
    Investigation on the Stability of Pt/Carbon Nanotube Catalysts and Novel Methods for the Preparation of the Electrodes for PEMFC
    PEMFC铂/碳纳米管催化剂稳定性和电极制备新方法
短句来源
    A Sequential Procedure for Optimal Discrimination among Rival Rate Models for the Reaction of Synthesis of Ammonia on "A" Catalysts
    用序贯法判别“A”系催化剂上氨合成反应的速率模型
短句来源
    Multicomponent Diffusion Model for Effectiveness Factors of Porous Catalysts (I) Multicomponent diffusion model and numerical computing method
    多孔催化剂效率因子的多组分扩散模型 (Ⅰ)多组分扩散模型及数值计算方法
短句来源
    Multicomponent Diffusion Model for Effectiveness Factors of Porous Catalysts (Ⅱ) Effectiveness factors of high-temperature shift reaction catalyst B109
    多孔催化剂效率因子的多组分扩散模型 (Ⅱ)B109中温变换催化剂的效率因子
短句来源
    Macrokinetics of water Gas Shift Reaction on Commercial Catalysts
    在工业催化剂上水煤气变换反应宏观动力学
短句来源
更多       
  catalyzer
    A Research of Preparation Catalyzer by Laser Melting
    激光熔制催化剂的研究
短句来源
    Inquiry on the Catalysis Reaction of CHCT Catalyzer in Cement Calcination
    “CHCT”催化剂在水泥煅烧中的催化作用探讨
短句来源
    The technology for preparation of sodium polyacrylate with molecular weight at 4000 is as following: the dose of catalyzer is at 8.8%, the concentration of initiator is 5.2%, the concentration of monomer is 38.7% by the total weight of reactant and the reaction temperature can be controlled at 30-40℃.
    分子量为4000左右聚丙烯酸钠制备的最佳工艺条件为:以总质量为基准,催化剂8.8%、引发剂5.2%、单体浓度38.7%和温度30℃~40℃。
短句来源
    Solid oxide fuel cell (SOFC) is an all solid-state energy conversion device operated at high temperatures with the advantage of high efficiency, little pollution and no expensive metal catalyzer.
    固体氧化物燃料电池(Solid Oxide Fuel Cell,SOFC)是一种高温操作的全固态能量转换装置,具有污染少、效率高、不需要贵重金属催化剂等特点,因此在能源日益紧张的今天受到了格外的重视。
短句来源
    The Research of Testing Molybdenum in Waste Cobalt-Molybdenum Catalyzer by Spectrophotometry
    分光光度法测定钴—钼废催化剂中钼的研究
短句来源
更多       
  activator
    Application of Ceramic Membrane in Activator Reclaim
    无机陶瓷膜在催化剂洗涤液回收中的应用
短句来源
    The technology demand of safe unloading and loading of activator on the environment of nitrogen
    氮气环境下催化剂安全卸装技术要求
短句来源
    The complex shape green body of hexagonal boron nitride obtained by Gel-Casting forming technology is studied in this paper, it is focused on effect of organic monomer content and proportion on colloid character, collide gelling behavior of slurry added initiator, effect of activator on gel gelling performance, effect of monomer and initiator content on green body gelling character as well as.
    同时,对六方氮化硼复杂形状陶瓷件采用凝胶注模工艺成型进行了研究,着重就有机单体含量与配比对胶体性状的影响、料浆加入引发剂后的凝胶固化行为、催化剂对凝胶固化性能的影响、以及单体和引发剂加入量对坯体干燥性状的影响等进行了研究。
短句来源

 

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  catalyst
A new environmentally friendly catalyst, H4SiW12O40-polyaniline (PAn), was prepared, and n-butyraldehyde 1,2-propanediol acetal was synthesized from n-butyraldehyde and 1,2-propanediol in the presence of H4SiW12O40-PAn.
      
The influence factors of the synthesis were discussed, and the best reaction conditions were found: the molar ratio of n-butyraldehyde to 1,2-propanediol is 1:1.5, the amount of catalyst used is 1.2% of feed stock, and the reaction time is 1.0 h.
      
H4SiW12O40-PAn is an excellent catalyst for synthesizing n-butyraldehyde 1,2-propanediol acetal, and the yield can reach more than 95.2%.
      
The partial intermediate products were absorbed on TiO2 surface, which resulted in catalyst deactivation.
      
But when it was irradiated under UV illumination or solar irradiation for some time, the catalyst could be reused without loss of catalytic activity.
      
更多          
  catalysts
Based on the polymer and plastic analogy, the annual market for products that carry nano-components, including all computer chips, half of pharmaceuticals and half of chemical catalysts, will reach $1 trillion by 2015.
      
The results showed that the catalyst had higher catalytic performance than common hydrogenation catalysts.
      
The conversion of CNB could reach 99.9%, and the dechlorination of chloroaniline (CAN) was less than 1.9% when catalyzed by Pt-Sn-B/CNTs and more than 8.0% when catalyzed by common hydrogenation catalysts.
      
Exploitation of rare earth catalysts in polymer syntheses
      
The studies over forty years on rare earth catalysts in polymer syntheses of diene, alkyne, alkylene oxide, thiirane, carbon dioxide copolymerization, lactide, caprolactone, cyclic carbonate and so forth in China have been reviewed.
      
更多          
  catalyzer
Thermomechanical instability in steady operating regime of continuous-flow chemical reactor with fixed catalyzer bed
      
A continuous-flow chemical reactor with fixed bed is a vessel filled with a porous catalyzer through which a liquid or gaseous reagent mixture is filtered.
      
Acetylene and hydrogen were used in the CVD process with Fe-catalyzer at 700°C under 250 Pa.
      
The growth properties of the CNT array film can be achieved by controlling the structure of the template, the particle size of Fe-catalyzer, the temperature in the reactor, the flow ratio and the deposition time.
      
A new C60 derivative-hydroxylated fullerene epoxide [C60 (OH)x(O)y] was prepared by the reaction of C60 benzene solution with aqueous NaOH and H2O2 in the presence of tetrabutylammonium hydroxide (TBAH) as the catalyzer.
      
更多          
  activator
The spectra indicate that the energy transfer takes place from the triplet excited state of MLCT (metal-to-ligand charge transfer) state for Sr2CeO4 (sensitizer) to the rare earth ions (activator).
      
In conclusion, all results indicate that BeDREB1 and BeDREB2 genes isolated from treated Bermuda grass are new members of the DREB transcription activator family, which may play very important roles in signal transduction related to stresses.
      
Reporter gene assays show that ZNF322 is a potential transcriptional activator.
      
A fragment of Penicillium canescens genomic DNA carrying the xlnR gene coding for a translational activator of xylanolytic genes was isolated.
      
canescens major secreted enzymes-β-galactosidase and α-L-arabinofuranosidase-appeared weakly dependent on the translational activator xlnR.
      
更多          
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