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Synthesis and characterization of aminophenolate-ligated rare-earth metal amide complexes and their catalytic activity for lactides polymerizationMin Li1,Wenyi Li2,Yingming Yao2,3,Yunjie Luo11...[ON]=2-(CH2 NC5 H10)-4,6-tBu2-C6 H3OH} in 1:2 molar ratio in THF gave the monometallic rare-earth metal amide complexes[ON]2 LnN(SiMe3)2(Ln=Yb(1),Y(2),Gd(3),Sm(4),Nd(5)) in 57%-73% isolated yields.All......
Synthesis and characterization of aminophenolate-ligated rare-earth metal amide complexes and their catalytic activity for lactides polymerizationMin Li1,Wenyi Li2,Yingming Yao2,3,Yunjie Luo11...[ON]=2-(CH2 NC5 H10)-4,6-tBu2-C6 H3OH} in 1:2 molar ratio in THF gave the monometallic rare-earth metal amide complexes[ON]2 LnN(SiMe3)2(Ln=Yb(1),Y(2),Gd(3),Sm(4),Nd(5)) in 57%-73% isolated yields.All......
Electronic and magnetic stability in correlated transportations of rare-earth nickelate perovskitesJinhao Chen1,Jikun Chen1,Zengyao Ren1,Dandan Zhao1,Mengxi Wang1,Jun Miao1,Xiaoguang Xu1,Yong... under impulse voltage or magnetic field remain as open questions.Herein,we demonstrate the thermistor transportations of the electron correlated rare-earth nickelates under impulse direct current......
. Key words: magnesium alloy; rare-earth element; creep mechanism 镁合金是工业应用中最轻的金属结构材料,在汽车,航空航天等领域有着巨大的应用前景,被认为是目前最具发展前途的金属材料.然而,常规镁合金的高温力学性能普遍较差.开发新型高强度耐热镁合金已成为国内外镁合金研究的重点方向之一[1]. 稀土元素由于具有独特的核外电子结构,作为一种重要...: 358.XU Guang-xian. Rare earths[M]. Beijing: Metallurgical Industry Press, 1997: 358. [3] 王 斌, 易丹青, 周玲伶, 方西亚, 罗文海, 杨 洁. 稀土元素Y和Nd对Mg-Zn-Zr系合金组织和性能的影响[J]. 金属热处理, 2005, 30(7): 9-13.WANG Bin, YI Dan-qing, ZHOU......
A modified Johnson-Cook constitutive relationship for a rare-earth containing magnesium alloyF.A.Mirza1,陈道伦1,李德江2,曾小勤21. Department of Mechanical and Industrial Engineering,Ryerson University2... recently attracted a considerable interest in the automotive and aerospace industries to improve fuel efficiency and reduce CO2emissions via the weight reduction of vehicles.Rare-earth(RE)element......
A modified Johnson-Cook constitutive relationship for a rare-earth containing magnesium alloyF.A.Mirza1,陈道伦1,李德江2,曾小勤21. Department of Mechanical and Industrial Engineering,Ryerson University2... recently attracted a considerable interest in the automotive and aerospace industries to improve fuel efficiency and reduce CO2emissions via the weight reduction of vehicles.Rare-earth(RE)element......
Rare Earth Doped Optical Fibers for Temperature Sensing Utilizing Ratio-Based Technology Geng Likun1,Wang Yutian1 (1.Electrical Engineering Institute, Yanshan University, Qinhuangdao 066004, China... simply. And the characters of rare earth doped samples were detailed. The erbium-doped fiber was chosen as the sensing element. The energy levels of 2H11/2 and 4S3/2 are responsible for the emission......
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is added with rare-earth cerium, the purification efficiency of PH3 is increased to 76%, and catalyst stability is enhanced. The purification efficiency of PH3 is higher when reaction temperature is higher and gas flow rate is lower. PH3 can be removed by catalytic wet air oxidation. Key words: catalytic wet air oxidation; phosphine; Fe-Cu mixed oxide; rare-earth  ......
of Petrochemical Technology,SINOPEC,Shanghai 201208,China;4.China Ionic Liquids Laboratory,Dalian Institute of Chemical Physics,Chinese Academy of S) Abstract:Heat capacities of the rare-earth complex... capacities were fitted to a polynomial equation with least square method and the thermodynamic functions, (H_r-H_(298.15)) and (S_t-E_(298.15)), were calculated. Key words:rare-earth complex; Ho(Gly)_3Cl_3......