共搜索到2488条信息，每页显示10条信息，共249页。用时：0小时0分2秒492毫秒

• A novel binder and binder extraction method for powder injection molding of tungsten cemented carbide

  来源： 《中国有色金属学报(英文版)2003年第2期》——祝宝军 曲选辉 陶颖

  ......

• A NEURAL NETWORK FOR WELD PENETRATION CONTROL IN GAS TUNGSTEN ARC WELDING

  来源： 《Acta Metallurgica Sinica2006年第1期》——J.Q. Gao C.S. Wu Y.H. Zhao

  A NEURAL NETWORK FOR WELD PENETRATION CONTROL IN GAS TUNGSTEN ARC WELDING J.Q. Gao1,C.S. Wu1,Y.H. Zhao1 (1.Institute of Materials Joining, Shandong University, Jinan 250061, China) Abstract:Realizing of weld penetration control in gas tungsten arc welding requires establishment of a model describing the relationship between the front-side geometrical parameters of weld pool and the back-side......

• A NEW TECHNOLOGY FOR PRODUCTION OF HIGH PURITY PARATUNGSTATE AMMONIUM FROM LOW GRADE TUNGSTEN CONCENTRATE

  来源： 《中南大学学报(英文版)1996年第2期》——Sun Peimei Chen Zhouxi Li Honggui Liu Maosheng Li Yunjiao Chen Shuqiao Liang Yongtang

  ......

• Induction plasma spheroidization of tungsten and molybdenum powders

  来源： 《中国有色金属学报(英文版)2006年第1期》——蒋显亮 M.BOULOS

  Induction plasma spheroidization of tungsten and molybdenum powders JIANG Xian-Liang (蒋显亮)1, M.Boulos2 1. Institute of Surface and Coatings Technology, School of Materials Science and Engineering...;            Abstract: The melting, evaporation and oxidation behaviors as well as the solidification phenomena of tungsten and molybdenum......

• New Developments of Tungsten Technology in China

  来源： 《Rare Metals1989年第3期》——Zuo Tieyong Zhao Qinsheng Li Songren Wang Jiuru Central South University of Technology,Changsha,China

  New Developments of Tungsten Technology in ChinaZuo Tieyong Zhao Qinsheng Li Songren Wang Jiuru Central South University of Technology,Changsha,China摘 要:<正> I.IntroductionIt is well known that China is rich in natural resources of tungsten.Before 1949 there was al-most no tungsten industry in our country except mining and ore dressing.Tremendous......

• Fine grain tungsten produced with nanoscale powder

  来源： 《International Journal of Minerals Metallurgy and Materials2005年第3期》——Tao Lin, Fang Zhao, Liying Zhang, Chengyi Wu, and Zhimeng Guo Materials Science and Engineering School, University of Science and Technology Beijing, Beijing , China

  Fine grain tungsten produced with nanoscale powderTao Lin, Fang Zhao, Liying Zhang, Chengyi Wu, and Zhimeng Guo Materials Science and Engineering School, University of Science and Technology Beijing, Beijing 100083, China摘 要:<正>Nanoscale tungsten powder was prepared by reducing nanoscale tungsten trioxide in hydrogen to WO2.90 and further to W......

• Cemented backfilling technology with unclassified tailings based on vertical sand silo

  来源： 《中南大学学报(英文版)2008年第6期》——王新民 赵彬 张钦礼 徐东升

  J. Cent. South Univ. Technol. (2008) 15: 801-807 DOI: 10.1007/s11771-008-0148-y Cemented backfilling technology with unclassified tailings based on vertical sand silo WANG Xin-min(王新民)1, ZHAO Bin...;      Abstract: A new technology characterized by rapidly non-mechanical settlement of unclassified tailings was developed based on a large number of tests, and dynamic......

• Characterization of nanometer tungsten powders

  来源： 《Rare Metals2008年第2期》——LI Huiqian LIN Tao SHAO Huiping WU Chengyi GUO Zhimeng LUO Ji School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing ,China

  Characterization of nanometer tungsten powdersLI Huiqian LIN Tao SHAO Huiping WU Chengyi GUO Zhimeng LUO Ji School of Materials Science and Engineering,University of Science and Technology Beijing,Beijing 100083,China摘 要:<正>Three types of tungsten powders were prepared by hydrogen reduction of three precursor powders at low temperature,which were......

• SODA DECOMPOSITION OF LOW-GRADE TUNGSTEN ORE THROUGH MECHANICAL ACTIVATION

  来源： 《中南大学学报(英文版)1996年第2期》——Zhao Zhongwei Li Honggui Liu Maosheng Sun Peimei Li Yunjiao

  ......

• Scandia doped tungsten matrix for impregnated cathode

  来源： 《Rare Metals2008年第1期》——WANG Jinshu,WANG Yanchun,LIU Wei,LI Hongyi,and ZHOU Meiling School of Materials Science and Engineering,Beijing University of Technology,Beijing ,China

  Scandia doped tungsten matrix for impregnated cathodeWANG Jinshu,WANG Yanchun,LIU Wei,LI Hongyi,and ZHOU Meiling School of Materials Science and Engineering,Beijing University of Technology,Beijing 100022,China摘 要:As a matrix for Sc-type impregnated cathode,scandia doped tungsten with a uniform distribution of Sc2O3 was obtained by powder metallurgy......