Synthesis of multiwall carbon nanotubes by decomposition of methane over vanadium container catalysts 用含钒催化剂CVD法制备多壁纳米碳管
Physicochemical properties and catalytic activity of vanadium contained SCR catalysts with different synthetic methods 不同制备工艺钒系SCR催化剂理化及催化性能研究
Copolymerization of Ethylene and Propylene with MgCl_2-Supported Titanium/ Vanadium Bimetallic Catalysts MgCl2负载钛/钒双金属催化剂催化乙烯/丙烯共聚合
Effect of the Shapes of Vanadium Catalysts on the Utilization Ratio of Their Internal Surface 钒催化剂形状对内表面利用率的影响
Application of industry standards for vanadium catalysts used in sulphuric acid production and proposals 硫酸生产用钒催化剂产品行业标准的使用现状和对策
The desorption energy of surface oxygen on a series of vanadium oxide catalysts and the effect of promoters 钒系催化剂表面氧的脱附能与助催化剂的添加效果
The main crystalline phase of the catalysts and the average oxidation value of vanadium in the catalysts were determined respectively by XRD 、 FT-IR and chemical titration. 借助XRD、FT-IR对催化剂进行了主体晶相确定,用氧化还原滴定方法测定了不同晶相催化剂中钒的平均氧化数。
Vanadium-Containing Catalysts in Ammoxidation and Oxidation of Substituted Methyl Aromatics 用于甲基芳香烃化合物氧化和氨氧化的含钒催化剂
Activity Evaluation and Industrial Application of Domestic Vanadium Catalysts 国产钒催化剂的活性评价和工业应用的一些问题
Vanadium catalysts is fragile material and easy to block the bed after being crushed. 钒催化剂属于脆性材料,受压后易破碎造成床层堵塞。
Theactivity and the number of surface oxygen of a series of vanadium oxide catalysts were studied by TPD equilibrium and TPD/ MS technique. 应用此法和TPD/MS实验技术同时测定了一些钒系催化剂的表面活性氧的活性和供氧数目。
UV Raman Characterization of Supported Vanadium Oxide Catalysts and Iron Substituted Zeolites 担载氧化钒催化剂和铁杂原子分子筛的紫外拉曼光谱研究
The standards of performance and quality of vanadium catalysts are discussed. The current standards issued by the Ministry of Chemical Industry are of some value in guiding enterprise production, but not suitable for scientifically evaluating catalytic properties of products for industrial purpose. 通过对钒催化剂性能与质量标准的探讨,作者认为,目前的部颁标准用于指导企业生产具有一定的参考价值,但用于产品的工业性能评价则不够科学。
Its activity reached to 44.8% at 410 ℃ and exceeded the ministry standard of vanadium catalysts by 9.8%, Based on catalyst TS, the effect of ultrasonic cavitation on the low-temperature activity of vanadium catalysts was investigated under ultrasonic cleaner. 组成最优的催化剂T3在410℃的活性达到44.8%,超过部颁标准9.8%。
Structured vanadium catalysts ( SVC) is a novel catalysts designed for solving the problems including high pressure drop and high energy consuming in sulfuric acid production. Its inner regular cross channels endow SVC with attractive properties such as low friction resistance and high mass and heat transfers. 针对现有硫酸工业中SO2转化生产系统阻力大、能耗高的现象设计了一种具有低阻力和高传热传质性能、内部具有规则通道的新型整体式钒催化剂。
Selective oxidation of ethyl lactate to ethyl pyruvate over supported vanadium catalysts 钒催化剂选择性氧化乳酸乙酯制丙酮酸乙酯
The progress in deactivation that the activity of vanadium catalysts decreased suddenly below 410 ℃~ 440 ℃ was summarized, which resulted from low-value vanadium compound separating out from vanadium catalysts. 本文综述了有关SO2氧化用钒催化剂低温失活的研究进展,指出钒催化剂在410℃~440℃活性急剧下降的原因是由于低价态钒化合物的析出。
In this Paper, It is reported the activity and the number of oxygen of a series of Vanadium Oxide Catalysts were studied by TPR technique. Thus, The reliability of TPD equilibrium method is showed. 本文报导了利用TPR技术研究钒系催化剂的供氧活性和数目,从而阐明了TPD平衡法的可靠性。
Latest progress and related patents in polyethylene catalysts of Union Carbide Corporation were reviewed, including vanadium catalysts, bi metal catalysts for producing bimodal molecular weight distribution polyethylene, and bi functional catalysts. 介绍了美国联合碳化物公司(UCC)聚乙烯催化剂的发展情况及钒基催化剂、生产双峰聚乙烯的双金属催化剂、双功能催化剂的有关专利和最新进展。
Research on Vanadium and Titanium Catalysts Supported on Activated Carbon 活性炭基钒、钛催化剂的制备、表征及其低温催化脱硫性能研究
Quality difference between imported and home-made vanadium catalysts 浅谈国内外钒催化剂的质量差异
Oxidation of Alcohols over Vanadium Catalysts 醇在钒基催化剂上的氧化
Reaction Kinetics for the Oxidation of SO_2 with Vanadium Catalysts SO2在钒催化剂上的氧化反应动力学
Continued discussion on vanadium recovery from used vanadium catalysts 再谈从废钒催化剂中回收钒工艺
Selective Oxidation of Methane on Antimony Oxide and Antimony-vanadium Mixed Oxide Catalysts 锑氧化物及锑钒复合氧化物催化剂上的甲烷选择氧化研究
Rearrangement of Alkoxy Groups Oxidation of Alcohols over Vanadium Catalysts 烧氧基重排反应醇在钒基催化剂上的氧化
The TPR Technique Study on the Activity and the Number of Oxygen of Vanadium Oxide Catalysts TPR技术对钒系催化剂供氧活性和数目的研究
Study on surface structure and active micro area model of vanadium catalysts 钒系催化剂表面结构及活性微区模型的研究
From the results of the catalysts characterization and reaction, it is showed that the degree of dispersed VOX species and the number of active component greatly influence the performance of vanadium oxide catalysts. 关联催化剂表征和反应结果看出,VOx物种的分散程度和活性中心数目显著影响催化剂的反应性能。