共搜索到29618条信息,每页显示10条信息,共2962页。用时:0小时0分0秒515毫秒
New cadmium and rare earth metal tungstates with the scheelite type structure E.Tomaszewicz1,S.M.Kaczmarek2,H.Fuks2 (1.Department of Inorganic and Analytical Chemistry,Szczecin University of Technology,Al.Piastow 42,Szczecin,71-065,Poland;2.Institute of Physics,Szczecin University of Technology,Al.Piastow 48,Szczecin,70-310,Poland) Abstract:New cadmium and rare earth metal tungstates......
solution concentrations. Key words:Sm accumulation; selective rare earth accumulation; microorganism; gram-positive bacteria; actinomycetes; [全文内容正在添加中] ...Accumulation of Rare Earth Elements in Various Microorganisms Takehiko Tsuruta1 (1.Department of Chemical Engineering on Biological Environment, Hachinohe Institute of Technology, 88-1, Azaohbiraki......
Synthesis and Structures of A Series of Novel Rare Earth Transition Metal Sulfates Allan J. Jacobson1,Lumei Liu1,Xiqu Wang1 (1.Department of Chemistry and Texas Center for Superconductivity, University of Houston, Houston, TX 77204-5003, USA) Abstract:Seven new rare earth transition metal sulfates were synthesized by hydrothermal reactions under conditions slightly above the critical point......
......
Synthesis, Catalysis of Rare Earth Complexes with Aliphatic Noncyclic Polyether-Amino Acid Schiff Base Shen Lianfang1,Yao Kemin2,Li Ning2 (1.State Key Laboratory of Magnetic Resonance and Atomic...:Eleven new rare earth complexes with aliphatic Schiff base, condensed from diglycol aldehyde and bis-arginine, were synthesized and characterized. They are confirmed as Ln(H2DAAR)(NO3)3·7H2O (Ln=La, Pr......
Luminescence enhancement of rare earth ions by metal nanostructures G.A.Denisenko1 (1.A.V.Shubnikov Institute of Crystallography,Russian Academy of Sciences,Moscow,119333,Russia;2.D.V.Skobeltsyn... enhancement of absorbed media with rare earth ions were used.These arrays were prepared by the metal evaporation on track membranes.Calculations of resonance frequencies of tips regarded as semispheroids......
Mechanism of effect of rare earth oxides on high temperature corrosion resistance of weld metal LI Zhi-yong(李志勇)1, WANG Bao(王 宝)1 , ZHANG Han-qian(张汉谦)2 1. College of Materials Science... Abstract: Through the addition of rare earth oxides into the coating of electrodes, the high temperature oxidation and sulphidation resistance of weld metal were studied. The transfer mechanism......
-Si alloys[J]. The Chinese Journal of Nonferrous Metals, 2017, 27(11): 2242-2250. Effect of rare earth Sm on microstructure of Al-7Si-0.3Mg aluminum alloy DONG Yan-heng1, JIA Zhi-hong1, 2, WEN Bo-yang1... University, Chongqing 400044, China; 3. Baotou Research Institute of Rare Earths, Baotou 014030, China) Abstract: The effect of different contents of rare earth Sm on the microstructure of Al-7Si-0.3Mg......
15 October 2012; accepted 14 April 2013 Abstract: The effects of rare earth samarium (Sm) additions on the microstructure and mechanical properties of as-cast Al-Si-Cu alloy were investigated... particles (Fig. 3(e)). It is clear that the eutectic silicon has been refined with Sm modification. Much research also has revealed a modification effect of rare earth elements on the Si phase in Al......
, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu; except of Pm, n=5 or 6) with the purity of 99% were purchased from Baotou Rare Earth Research Institute, China. 2-ethylhexyl phosphoric... J. Cent. South Univ. (2021) 28: 679-689 DOI: https://doi.org/10.1007/s11771-021-4637-6 Scandium recovery from ion-adsorption rare earth concentrate with HEHEHP as extractant ZHANG Wei(张伟)1, ZHU Hao......