云南高校图书馆联盟文献共享服务平台- LANTHANA

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Vapour Phase Alkylation of Naphthalene over Lanthana Modified Zeolites: 《Journal of Chemistry and Chemical Engineering》2014年第9期876-881,共6页Shikha Tejswi Rama Sadashiv Lokhande Pashupati Dutta; Lanthanum oxide impregnated large-pore zeolite catalysts were prepared. The catalysts were characterized by XRD （X-ray diffraction）, PSA （particle size analysis）, TPD （temperature programmed desorption） and SEM ...; 关键词：NAPHTHALENE METHANOL 2 6-dimethyl naphthalene ALKYLATION zeolite.

Structure evolution and thermal stability of La_2O_3-doped mullite fibers via sol-gel method被引量：2: 《Journal of Rare Earths》2012年第2期175-180,共6页王炜翁端吴晓东; Project supported by the Ministry of Science and Technology of China (2009AA064801); The lanthana-doped mullite fibers were prepared via a sol-gel method from the aluminum isopropoxide-aluminum nitrate-tetraethyl orthosilicate system. The structure evolution and thermal stability of the mullite fibers...; 关键词：mullite fibers lanthana doping phase transformation grain growth rare earths

Influence of [La(EDTA)]^- on pore structure of activated alumina carrier at high-temperature: 《Journal of Rare Earths》2010年第S1期326-328,共3页刘晓军徐炳辉吴玉胜张林楠; Project supported by the National Natural Science Foundation of China (50804031); The activated alumina as a catalyst carrier were widely used in automotive exhaust catalysts under high temperature,such as,petroleum refining catalysts,hydrogenation and hydrodesulfurization catalyst carrier in China...; 关键词：ALUMINA LANTHANA specific surface area thermal stability pore-expanding agent rare earths

Influence of La_2O_3 on preparation and performance of porous cordierite from rice husk被引量：13: 《Journal of Rare Earths》2010年第4期614-617,共4页郭伟陆洪彬冯春霞; Project supported by the Jiangsu Province Natural Science Foundation (BK2009671);the Natural Science Foundation of Jiangsu Provincial Edu-cation Department (07KJB430123);the Key Laboratory Foundation of Ecological-Environment Materials (Yancheng Institute of Technology) of Jiangsu Province (XKY2009033); A porous cordierite was synthesized at 1350 ℃ using rice husk as silica source and pore forming agent, and La2O3 as fluxing agent. The crystal phases of the cordierite were analyzed by X-ray diffraction (XRD) and the...; 关键词：porous ceramic CORDIERITE rice husk LANTHANA

Synthesis of La^(3+) and Nd^(3+) co-doped yttria nanopowder for transparent ceramics by oxalate precipitation method被引量：4: 《Journal of Rare Earths》2010年第2期232-236,共5页王能利张希艳邱关明孙海鹰刘全生米晓云王晓春; supported by the Science and Technology Development Program of Jilin Province (20080511); Polycrystalline Nd3+ and La3+ co-doped yttria nanopowder Nd3+:Y1.90La0.10O3 for transparent ceramics was synthesized by co-precipitation method using oxalate acid as the precipitant and(NH4)2SO4 as the electrical stab...; 关键词：yttria nanopowder LANTHANA OXALATE CO-PRECIPITATION transparent ceramics rare earths

What pushed sustaining price rising of lanthana?: 《China Rare Earth Information》2008年第2期1-2,共2页; Recently, lanthanum oxide was in tight supply. It was difficult to purchase the products. What led to the phenomena? Analyzed by related persons, following reasons were given.; 关键词：氧化镧市场价格市场供求国际市场输出限额

Partial hydrogenation of adiponitrile to 6-aminocapronitrile over Ni/α-Al_2O_3 catalyst promoted with K_2O and La_2O_3被引量：5: 《Chinese Chemical Letters》2007年第6期685-688,共4页Lei Zhao, Cai Yun Wang, Ji Xiang Chen , Ji Yan Zhang Department of Catalysis Science and Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China; A novel K2O and La2O3 promoted nickel catalyst supported on a-Al2O3 was prepared by co-impregnation method, and it exhibited higher activity and 6-aminocapronitrile selectivity than Ni/a-Al2O3 during the hydrogenation...; 关键词：Nickel catalyst Potassium oxide LANTHANA Partial hydrogenation ADIPONITRILE 6-Aminocapronitrile

A Novel Catalyst for Liquid Phase Hydrogenation of m-Dinitrobenzene to m-Phenylenediamine被引量：2: 《Chinese Chemical Letters》2005年第4期531-533,共3页YingXinLIU ZuoJunWEI JiXiangCHEN JiYanZHANG XinXueLI XiongHuiWEI; A novel lanthana-promoted nickel catalyst supported on silica for the liquid phase hydrogenation of m-dinitrobenzene to m-phenylenediamine was prepared by an incipient wetness sequential impregnation method. It was ...; 关键词：Nickel catalyst LANTHANA HYDROGENATION M-PHENYLENEDIAMINE m-dinitrobenzene.

Methane Decomposition over Ni/α-Al_2O_3 Promoted by La_2O_3 and CeO_2被引量：1: 《Journal of Natural Gas Chemistry》2003年第3期183-188,共6页PengboJiang YongchenShang TiexinCheng YingliBi KeyingShi ShuquanWei GuolinXu KaijiZhen; The decomposition of methane on Ni/α-Al_2O_3 modified by La_2O_3 and CeO_2with different contents has been investigated and the ralationship between methane decomposition andremoval of carbon by CO_2 over these catal...; 关键词：METHANE carbon dioxide NICKEL LANTHANA CERIA

Influence of Additives Ceria and Lanthana on Performance of Pd/Al/Monolith Honeycomb Catalysts: 《Journal of Rare Earths》2003年第5期529-532,共4页田东旭王浩静王心葵; ProjectsupportedbyScienceandTechnologyCouncilofShanxiProvince ( 982 117); The effects of ceria and lanthana additives on activity and thermal stabilization of the catalysts for CO oxidation were studied. The results show that the addition of CeO 2 clearly improves the catalytic activity, w...; 关键词：catalitic chemistry CERIA LANTHANA H 2 TPR rare earths

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