共搜索到7812条信息,每页显示10条信息,共782页。用时:0小时0分0秒281毫秒
Preparation of BaPbO3 functional ceramics from leaded wasteBin Li1,Shen-Gen Zhang1,Kun Zhang2,De-An Pan1,Jian-Jun Tian1,Hu Liu1,Alex A.Volinsky31. Institute for Advanced Materials and Technology, School of Materials Science and Engineering, University of Science and Technology Beijing2. Beijing Nonferrous Metals and Rare Earth Research Institute3. Department of Mechanical Engineering, University......
ELASTOPLASTIC OPTIMUM DESIGN OF Ni/TiC FUNCTIONAL GRADIENT MATERIAL南策文,张清杰,蔡克峰,闵新民,袁润章摘 要:<正>The thermal residual stresses developed in a disk-shaped.Ni/TiC functionally gradient material (FGM) during its fabricationare investigated by an elastic-plastic finite element numerical ap-proach.Constitutive relations for the graded Ni-TiC composite......
-conversion luminescence material with hydrosulfide group. The factors that may influence the surface modification,such as reaction time,amount of catalyzer and modifier,and reaction solvent,were.... The results indicated that hydrosulfide group content modified on the surface of up-conversion luminescence material reached to 0.1430 mmol/g,and this modified up-conversion lumi-nescence material could......
Interconnected graphene scaffolds for functional gas sensors with tunable sensitivityXiao You1,2,3,Jinshan Yang1,2,Mengmeng Wang1,2,3,Hongda Wang1,2,Le Gao1,2,Shaoming Dong1,4,21. State Key Laboratory of High Performance Ceramics & Superfine Microstructure,Shanghai Institute of Ceramics,Chinese Academy of Sciences2. Structural Ceramics and Composites Engineering Research Center,Shanghai Institute......
) Abstract: Based on the density functional theory (DFT), the plane-wave pseudopotential method was used to calculate the electronic structures of four stable phases for Al-Sc alloys. The bonding... words: Al-Sc intermetallics compounds; electronic structure; stability; thermodynamic properties; Gibbs free energy; density functional theory; plane-wave pseudo-potential method  ......
Application of materials based on group VB elements in sodium-ion batteries:A reviewMenglei Sun,Yu Jiang,Jiangfeng Ni,Liang LiCollege of Physics,Optoelectronics and Energy,Center for Energy Conversion Materials & Physics (CECMP),Soochow University摘 要:Owing to their high redox activity, abundant resource, and low cost, compounds based on group VB......
at the northern part of the Lubanshan colliery, by the theoretic analysis and numerical simulation, both the mining stress distribution in seams group and the deformation and destruction mechanism... factors affecting the abutment stress include the mining depth, mining height, residual gob space, adjacent working faces and short spacing coal seam recovery.Key words:coal seams group; stress......
EFFECT OF STRUCTURE OF FUNCTIONAL POLYMER ACTIVE MATERIALS ON PROPERTIES OF GADOLINIUM ION SELECTIVE ELECTRODE车吉泰,闫美兰,张万喜摘 要:<正> In this paper,the functional polymeric active materials were prepared by the grafting copolymerizationand their structure and properties were studied.The results show that the structure and properties of these ac-tive......
Effect of Preparation Process of Functional Polymer Active Materials on Properties of Gadolinium Ion Selective Electrode车吉泰,闫美兰,林安,张万喜摘 要:<正> Recently we have studied the rare earth ion-selective electrodes with active materials of the func-tional polymers and found that the process chosen for the functional polymers had an effect......
Contrasting REE Signatures on Manganese Ores of Iron Ore Group in North Orissa, IndiaP.P.Mishra,B.K.Mohapatra,P.P.Singh摘 要:The distribution pattern of Rare Earth Elements (REE) in three categories of manganese ores viz. stratiform, stratabound-replacement, and detrital of Precambrian Iron Ore Group from north Orissa, India was reported. These categories......