共搜索到20613条信息,每页显示10条信息,共2062页。用时:0小时0分0秒303毫秒
Status of Applications of Rare Earth Metals to Precision AlloysZhong Qiunuan Tianjin Metallurgical Material Institute摘 要:<正> 1.IntroductionRare earth resources in China are the most abundant with more than twenty factories pro-ducing rare earths in the country,the production capability ranks second in the world.At present,steels added with rare......
......
Study on Roasting Decomposition of Mixed Rare Earth Concentrate in CaO-NaCl-CaCl2 Sun Shuchen1,Bian Xue1,Wu Wenyuan1,Tu Ganfeng1 (1.School of Materials & Metallurgy, Northeastern University, Shenyang 110004, China) Abstract:The decomposed process of bastnaesite, monazite and mixed rare earth concentrate in CaO-CaCl-CaCl2 was studied by means of TG-DTA method. The relationship among......
......
Effect of rare earth Y on oxidation behavior of NiAl-Al2O3XU Gui-hua, WANG Guo-feng, ZHANG Kai-feng(National Key Laboratory of Precision Heat Processing of Metal, Harbin Institute of Technology...; oxidation resistance; rare earth Y......
......
Fractionation of Rare Earth Elements in Plants Ⅰ. Fractionation Patterns and Their Forming Mechanisms in Different Organs of Triticum Aestivum LI Haitao1,Liang Tao1,Yan Juncai2,Zhang Zili2,Zhang... Agricultural University, Hefei 230036,China;3.Department of Geography and Environmental Change Institute, National University of Ireland, Galway, Ireland) Abstract:Fractionations of rare earth elements (REEs......
Geochemical Characteristics of Rare Earth Elements in Intertidal Sediments of Tianjin Coastal Zone 李国胜1,王立军1,梁涛1,张朝生1 (1.Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China) Abstract:The geochemical characteristics of rare earth elements (REEs) in intertidal sediments in Tianjin coastal zone were systematically studied......
Reaction behavior of associated rare earth minerals during coal-based reductionPeng Gao,Zhi-Hang Li,Yue-Xin Han,Yong-Sheng SunCollege of Resources and Civil Engineering, Northeastern University摘 要:In order to ascertain the reaction behavior of rare earth minerals in coal-based reduction, X-ray diffraction(XRD), scanning electron microscopy(SEM......
Preparation and Property of Acrylic Acid Rare Earth Complex and Its Hydrosilylation OKAMOTO Hiroshi1,CHEN Haiyan2,Inoue Shinich1,Chen Xiaosong3,Dai Shaojun4,Zhang Ming6 (1.Department of Applied...;6.College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225002, China) Abstract:Acrylic acid rare earth complex was prepared. Its chemical composition was determined by chemical......