共搜索到23352条信息，每页显示10条信息，共2336页。用时：0小时0分0秒258毫秒
Hybridized valence electrons of 4f0-145d0-16s2: the chemical bonding nature of rare earth elements薛冬峰,孙丛婷,陈小艳State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry Chinese Academy of Sciences摘 要:The chemical bonding nature of rare earth(RE) elements can be studied by a quantitative analysis of electron domain......
Hybridized valence electrons of 4f0-145d0-16s2: the chemical bonding nature of rare earth elements薛冬峰,孙丛婷,陈小艳State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry Chinese Academy of Sciences摘 要:The chemical bonding nature of rare earth(RE) elements can be studied by a quantitative analysis of electron domain......
Geochemical Characteristics of Rare Earth Elements in Guposhan Granite Complex and Their Petrogenetic Implication杨学明,张培善摘 要:<正> In this paper the geochemical characteristics of rare earth elements in Guposhan granite complex in NanlingArea,South China,is systematically studied,and the balance of REE distribution in rock-forming minerals,which......
Content of rare earth elements in Salvia miltiorrhiza bunge from different areas刘向生1,张赫1,张智勇2,李先恩3,韩学伟1,伍艳平11. National Rare Earth Center for Agriculture,General Research Institutes for Nonferrous... for a long time,and today more and more attention has been paid to the effective components in Chinese traditional medicine,especially to rare earth elements(REEs).14 kinds of REEs in SMB from different......
Content of rare earth elements in Salvia miltiorrhiza bunge from different areas刘向生1,张赫1,张智勇2,李先恩3,韩学伟1,伍艳平11. National Rare Earth Center for Agriculture,General Research Institutes for Nonferrous... for a long time,and today more and more attention has been paid to the effective components in Chinese traditional medicine,especially to rare earth elements(REEs).14 kinds of REEs in SMB from different......
Geochemical Characteristics of Rare Earth Elements of Guidong Granitic Complex and Relationship with Uranium Mineralization Hua Renmin1,Zhang Zhanshi2,Deng Ping3,Wu Lieqin3,Liu Xiaodong2 (1.State.../Yb)N, (La/Sm)N and (Gd/Yb)N ratios than other studied intrusions. Key words:Guidong granitic complex; fluid-rock interaction; tetrad effects; uranium mineralization; Maofeng intrusion; Rare earths......
Geochemistry of rare earth elements in cobalt-rich crusts from the Mid-Pacific M seamount崔迎春1,2,3,刘季花2,任向文2,石学法21. Institute of Oceanology, Chinese Academy of Sciences2. Key Lab of Marine... earth elements(REEs) and major elements of 25 cobalt-rich crusts obtained from different depths of Mid-Pacific M seamount were analyzed using inductively coupled plasma-atomic emission spectrometer......
, summarized the roles of rare earth elements in glass polishing and the factors that may influence the polishing effects, and specified the existing problems in glass polishing. Key words:glass...Review on Application of Rare Earth Polishing Powders in Glass Polishing Li Xueshun1,YANG Guosheng1 (1.Baotou Tianjiao Seimi Rare Earth Polishing Powder Co. Ltd. , Baotou 014010, China) Abstract......
earth site:Y,Y+Ca,REE,REE+Ca,Ce+Ca,Ce.The calcula-tion of volumes of 70 rare earth polyhedra indicates that the polyhedral volumes of the heavy rare earth are in arange of 13×10-3~28×10-3 nm3,the volumes...Comparative Crystal Chemistry of Rare Earth Minerals杨主明,潘兆橹,张建洪摘 要:<正> Polyhedral analysis is used to study the geometrical limits of the crystal......
Effect of rare earth elements addition on thermal fatigue behaviors of AZ91 magnesium alloyHossein Bayani1,Ehsan Saebnoori21. Department of Materials Science and Engineering,Sharif University...">Influences of rare earth (RE) elements addition on thermal fatigue behaviors of AZ91 alloy were studied. Repeated heating and cooling cycles were applied on the samples at 170 and 210 °C to develop thermal......
