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• Influence of earth gravity on reaction engineering of tubular reactor for high concentration tungsten ion-exchange

  来源： 《中国有色金属学报(英文版)2010年第12期》——赵中伟 肖露萍 郭持皓 陈星宇 陈爱良 霍广生 李洪桂

  Influence of earth gravity on reaction engineering of tubular reactor for high concentration tungsten ion-exchange ZHAO Zhong-wei(赵中伟), XIAO Lu-ping(肖露萍), GUO Chi-hao(郭持皓), CHEN Xing-yu(陈星宇... beneficial compared with downflow-feeding mode, since the flow pattern of the fluid in the reactor is closer to plug flow. The result of dynamic experiment conducted in ion-exchange of tungsten......

• PROCESS OF OXIDE FILM FORMATION ON JOINT INTERFACE OF METAL AND GLASS

  来源： 《中国有色金属学报(英文版)1991年第1期》——Ma Jusheng Kaoru KOJIMA Masayosi TAKADA

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• Microstructure and wear properties of tungsten carbide reinforced steel matrix composites

  来源： 《中国有色金属学报(英文版)2005年第6期》——尤显卿 宋雪峰 任昊 马建国 黄曼平

   Article ID: 1003-6326(2005)06-1333-08 Microstructure and wear properties of tungsten carbide reinforced steel matrix composites YOU Xian-qing(尤显卿)1, SONG Xue-feng(宋雪峰)1, REN Hao(任 昊... composites containing a high volume fraction of carbide, nitride, boride and/or oxide particles are frequently the choice of materials for applications which require good wear resistance[1-4......

• High Temperature Gaseous Rare-Earth Permeation of Polyoxotungstates:An New Effective Method for the Preparation of Tungsten Bronzes

  来源： 《JOURNAL OF RARE EARTHS2004年第1期》——郭元茹 韦永德 李中华 周百斌

  High Temperature Gaseous Rare-Earth Permeation of Polyoxotungstates:An New Effective Method for the Preparation of Tungsten Bronzes 郭元茹1,韦永德1,李中华1,周百斌1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China) Abstract:New polyoxometalate α-K12H3[Y(BW11O39)2]·25H2O was synthesized and treated by high temperature gaseous rare earth permeation to prepare tungsten......

• 机械合金化和添加微量Y_2O_3对制备细晶钨合金棒材组织的影响

  来源： 《稀有金属材料与工程2010年第2期》——祁美贵 刘涛 黄伯云 田家敏 范景莲

  晶粒为3~4 μm,而且晶粒尺寸分布更均匀. 关键词:机械合金化; 稀土氧化物; 细晶钨合金; 显微组织; mechanical alloying; rare earth oxide; fine-grain tungsten heavy alloy; microstructure; [全文内容正在添加中] ......

• 利用十二烷基硫酸钠的增感作用测定金属钨及三氧化钨中的锰

  来源： 《中南大学学报(自然科学版)1986年第2期》——范健 莫晓山 罗立新

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• PREPARATION OF NANOSTRUCTURED TUNGSTEN POWDERS

  来源： 《Journal Of Wuhan University Of Technology Materials Science Edition1996年第3期》——曹立宏 傅磊 樊友三

  PREPARATION OF NANOSTRUCTURED TUNGSTEN POWDERS曹立宏,傅磊,樊友三摘 要:<正>The preparation of nanostructured tungstenpowders has been studied by using.... Tungsten powders ofmean particle size of 40 nanometer,and specific surface areaof 3×104m2/kg have been prepared. The shape of nanostruc-tuted tungsten powders is sphere.关键词:......

• Comparative study on discharge conditions in micro-hole electrical discharge machining of tungsten carbide (WC-Co) material

  来源： 《中国有色金属学报(英文版)2009年增刊第1期》——Hyun-Seok TAK Chang-Seung HA Dong-Hyun KIM Ho-Jun LEE Hae-June LEE Myung-Chang KANG

  ­­Comparative study on discharge conditions in micro-hole electrical discharge machining of tungsten carbide (WC-Co) material Hyun-Seok TAK1, Chang-Seung HA2, Dong-Hyun KIM2, Ho-Jun LEE2.... For machining difficult-to-cut materials, such as tungsten carbide, micro-electrical discharge machining(EDM) is one of the most effective methods for making holes because the hardness is not a dominant......

• 纳米晶W-La₂O₃电极材料的电弧特性

  来源： 《中国有色金属学报2003年第5期》——陈文革 丁秉均 张晖

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• Structural Analysis and Electrical Property of Tungsten Bronze Prepared by Rare Earth Gaseous Permeation

  来源： 《JOURNAL OF RARE EARTHS2004年第6期》——韦永德 陈刚 李中华 苏铭汉 李昕

  Structural Analysis and Electrical Property of Tungsten Bronze Prepared by Rare Earth Gaseous Permeation 韦永德1,陈刚1,李中华1,苏铭汉1,李昕1 (1.Department of Applied Chemistry, Harbin Institute of Technology, Harbin 150001, China) Abstract:The cubic sodium tungsten bronzes, NaxWO3(x=0.854 and 0.814)were prepared by rare earths gaseous permeation method. Structural analysis was carried out by Rietveld......