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| 1 | Effect of Silver Content on Microstructure and Properties of Brass/steel Induction Brazing Joint Using Ag-Cu-Zn-Sn Filler Metal显示文摘The induction brazing of brass to steel using Ag-Cu-Zn-Sn filler metal was investigated in this study.The influence of Ag content on the microstructure and properties were analyzed by means of optical microscopy,scanning electron microscopy and electron probe microanalysis.Defect free joint was achieved using Ag-Cu-Zn-Sn filler metal.The microstructure of the joint was mainly composed of Ag-based solid solution and Cu-based solid solution.The increase of Ag content and the cooling rate both led to the increase of the needle like eutectic structure.The tensile strength decreased with the increase of Ag content.The tensile strength at room temperature using Ag25CuZnSn filler metal reached 445 MPa.All fractures using Ag-Cu-Zn-Sn filler metal presented ductile characteristic. | J. Cao L.X. Zhang H.Q. Wang L.Z. Wu J.C. Feng | 2011 | Journal of Materials Science & Technology2011，27，4： | 23 |
| 2 | MICROSTRUCTURE AND MECHANICAL PROPERTY DEVELOPMENT IN THE SIMULATED HEAT AFFECTED ZONE OF V TREATED HSLA STEELS显示文摘模仿的热影响了高力量的地区(HAZ ) 低合金(HSLA ) 钢包含分别地, 0% , 0.047% , 0.097% 和 0.151% 钒与 Gleeble-2000 thermomechanical 模拟器被学习在 HAZ 的机械性质上决定钒增加的影响。HAZ 模拟涉及再热样品到 1350 ° C,然后以从 800 ~ 500 ° C 的 5 ° C /s 的冷却的率冷却到周围的温度(Δt 8/5=60s) 。包括张力的力量和 −20 ° C 影响坚韧的机械性质被进行。基础钢和模仿的 HAZ 的微观结构用光显微镜被调查,扫描电子显微镜(SEM ) 和传播电子显微镜(TEM ) 。基于系统的考试,现在的工作证实了那大约 0.05% 钒增加到低碳低合金钢导致了力量的期望的平衡和 HAZ 的坚韧。并且超过 0.10% 层次增加导致了 HAZ 的有害坚韧。SEM 学习证明模仿了 0.097% , 0.151%V HAZ 由更粗糙的铁酸盐盘子组成了与更大并且沿着奥氏体谷物和铁酸盐板边界的更多的麻省成分。影响破裂表面模仿了 0.097% 和 0.151% V HAZ 有占优势的劈开的显示出的典型地易碎的模式。在破裂表面的方面的尺寸与从 0.097% ~ 0.151% 增加钒水平增加了。作为结果,模仿的 0.151%V HAZ 有四个标本的最低影响坚韧。 | Y. T. Chen A.M. Guo L.X. Wu J. Zeng P.H. Li | 2006 | Acta Metallurgica Sinica(English Letters)2006，19，1： | 4 |
| 3 | Morphology Control and Optical Absorption Properties of Ag Nanoparticles by Ion Implantation显示文摘Ion implantation is a powerful method for fabricating nanoparticles in dielectric.For the actual application of nanoparticle composites,a careful control of nanoparticles has to be achieved.In this letter,the size,distribution and morphology of Ag nanoparticles are controlled by controlling the ion current density,ion implantation sequence and ion irradiation dose.Single layer Ag nanoparticles are formed by Ag+ion implantation at current density of 2.5μA/cm2.By Ag and Cu ions sequential implantation,the size of single layer Ag nanoparticles increases.While,by Cu and Ag ions sequential implantation,uniform Ag nanoparticles with wide distribution are formed.The morphology of Ag nanoparticles changes to hollow and sandwiched nanoparticles by Cu+ion irradiation to doses of 3×1016 and 5×1016 ions/cm2.The optical absorption properties of Ag nanoparticles are also tailored by these ways. | G.X. Cai F. Ren X.H. Xiao L.X. Fan X.D. Zhou C.Z. Jiang | 2009 | Journal of Materials Science & Technology2009，25，5： | 3 |
| 4 | Experimental Studieson Gas-Particle Flows and Coal Combustion in New Generation Spouting-Cyclone Combustor显示文摘ExperimentalStudiesonGas-ParticleFlowsandCoalCombustioninNewGenerationSpouting-CycloneCombustorD.X.Wang;Z.H.Ma;X.L.Wang;L.X.Z... | D.X. Wang Z.H. Ma X.L. Wang L.X. Zhou(Department of Engineering Mechanics,Tsinghua University, Beijing 100084, China) | 1996 | Journal of Thermal Science1996，5，2： | 3 |
| 5 | Comparison of the degradation behaviour of fusion-bonded epoxy powder coating systems under flowing and static immersion显示文摘 | Y.H. Wei L.X. Zhang W. Ke | 2005 | Corrosion Science2005，，6： | 2 |
| 6 | Carbon emission reduction potential of a typical household biogas system in rural China显示文摘 | L.X. Zhang C.B. Wang B. Song | 2012 | Journal of Cleaner Production2012，，： | 2 |
| 7 | INFLUENCING FACTORS FOR OBTAINING ULTRAFINE AUSTENITE GRAINS WITH INITIAL MICROSTRUCTURE OF WARM-ROLLED FERRITE/PEARLITE显示文摘Three warm-rolled ferrite/pearlite microstructures were prepared by rolling at 500℃, and the austenitizing characteristics were discussed in conjunction with deformation during the heating stage. The results indicated that the final austenite grain size was sensitive to the deformation direction of the initial warm-rolled microstructure. The transient microstructure at a given temperature was the most important influencing factor on the austenitizing characteristic combined with deformation. Moreover, the hot-rolled microstructure also had to be prepared in an optimal state because of its direct effect on the warm-rolled microstructure. | S.J. Yao L.X. Du X.H. Liu G.D. Wang | 2008 | Acta Metallurgica Sinica(English Letters)2008，21，6： | 2 |
| 8 | FINITE ELEMENT ANALYSIS OF VISCOUS FLOW PAST A ROTATING SPHERE显示文摘Viscous flow past a rotating sphere with a constant rotating speed about an axis aligned with the free stream was investigated numerically by solving the three dimensional Navier Stokes equations using the finite element method. To elucidate the character of this flow in the near wake, the flow structures at different Reynolds numbers and rotating speeds are examined. The axisymmetric and non axisymmetric flow structures were observed at Re=200 and 250, respectively, which rotate as a whole around the rotating axis steadily. At Re=300, the vortex shedding appears and the wake becomes more complicated. At low rotating speeds, the flow is dominated by the vortex shedding at higher Reynolds numbers. As the rotating speed increases, the rotating effect gets stronger and the interaction between the rotating action and the vortex shedding results a swirling vortex pattern in the near wake of the sphere. | Wang, Y.X. Lu, X.Y. Zhuang, L.X. | 2001 | Journal of Hydrodynamics2001，13，2： | 2 |
| 9 | Prognostic values of NTpro BNP/BNP ratio in comparison with NTpro BNP or BNP alone in elderly patients with chronic heart failure in a 2-year follow up显示文摘 | Juliana Jensen Li-Ping Ma Christian Bjurman Ola Hammarsten Michael L.X. Fu | 2011 | International Journal of Cardiology2011，，1： | 1 |
| 10 | Ethyl carbamate levels in wine and spirits from markets in Hebei Province, China显示文摘 | Y.P. Liu B. Dong Z.S. Qin N.J. Yang Y. Lu L.X. Yang F.Q. Chang Y.N. Wu | 2011 | Food Additives and Contaminants: Part B2011，，1： | 1 |
| 11 | Emergy analysis of cropping–grazing system in Inner Mongolia Autonomous Region, China显示文摘 | L.X. Zhang Z.F. Yang G.Q. Chen | 2007 | Energy Policy2007，，7： | 1 |
| 12 | Ten years of atmospheric methane observations at a high elevation site in Western China显示文摘 | L.X. Zhou D.E.J. Worthy P.M. Lang M.K. Ernst X.C. Zhang Y.P. Wen J.L. Li | 2004 | Atmospheric Environment2004，，40： | 1 |
| 13 | ANALYSIS OF STABILITY CHARACTERISTICS OF NONLINEAR FLUID STRUCTURE INTERACTION SYSTEM IN INTERNAL FLOWS显示文摘A set of nonlinear partial differential equations was used to describe the motions of an internal flowing system, with the consideration of transient fluid structure interaction (FSI). The stabitity characteristics of the system were analyzed on the basis of the nonlinear FSI equation model. The results show that the stability of the nonlinear FSI system become very complicated because of the influence of strongly couplied interaction between flowing liquid and vibrating pipe. The flowing velocity, pressure, the piping stiffness, and constrained conditions, etc. play a very important role in developing procedure of the system stabilization. In an analysis example given in this paper, for example, when the flowing pressure is comparatively small, the system exhibits flutter instability, and when the flowng pressure is increases to a specified value, a subcritical divergence and a supercritical flutter bifurcation take successively place in the same velocity range. | Zhang, L.X. Huang, W.H. Li, J.B. | 2001 | Journal of Hydrodynamics2001，13，2： | 1 |
| 14 | Tribological behavior of microarc oxidation coatings formed on titanium alloys against steel in dry and solid lubrication sliding显示文摘 | Y.M. Wang B.L. Jiang L.X. Guo T.Q. Lei | 2005 | Applied Surface Science2005，，8： | 1 |
| 15 | Involvement of pGluR1, EAAT2 and EAAT3 in offspring depression induced by prenatal stress显示文摘 | X.H. Zhang N. Jia X.Y. Zhao G.K. Tang L.X. Guan D. Wang H.L. Sun H. Li Z.L. Zhu | 2013 | Neuroscience2013，，： | 1 |
| 16 | Inhibitions of vascular endothelial growth factor expression and foam cell formation by EGb 761 , a special extract of Ginkgo biloba , in oxidatively modified low-density lipoprotein-induced human THP-1 monocytes cells显示文摘 | H.J. Liu X.L. Wang L. Zhang Y. Qiu T.J. Li R. Li M.C. Wu L.X. Wei Y.C. Rui | 2008 | Phytomedicine2008，，2： | 1 |
| 17 | Studies of the Effect of Spray Inlet Conditions on the Flow and Flame Structures of Ethanol-Spray Combustion by Large-Eddy Simulation显示文摘 | K. Li L.X. Zhou | 2012 | Numerical Heat Transfer Part A: Applications2012，，1： | 1 |
| 18 | Do immune system changes have a role in hypertension?显示文摘 | Michael L.X. Fu | 1995 | Journal of Hypertension1995，，11： | 1 |
| 19 | Electrochemical performance of a Pb/Pb-MnO 2 composite anode in sulfuric acid solution containing Mn 2+显示文摘 | Y.Q. Lai Y. Li L.X. Jiang X.J. Lv J. Li Y.X. Liu | 2011 | Hydrometallurgy2011，，： | 1 |
| 20 | An indirect ELISA for detection of Theileria sergenti antibodies in water buffalo using a recombinant major piroplasm surface protein显示文摘 | L.X. Wang J.H. Zhao L. He Q. Liu D.N. Zhou Y.Q. Zhou J.L. Zhao | 2010 | Veterinary Parasitology2010，，3： | 1 |
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