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| 1 | CRYSTAL STRUCTURE AND MORPHOLOGY OF NASCENT SAMPLES OF SYMMETRIC AROMATIC POLYESTERS——Ⅰ.POLY(P-PHENYLENE TEREPHTHALATE)显示文摘The morphology and crystal structure of poly(p-phenylene terephthalate) (PPT), prepared by confined thin film melt (CTFMP) and solution (CTFSP) and bulk solution polymerization, were characterized by transmission electron microscopy, electron diffraction and molecular modeling. The unit cell is monoclinic (P21/a space group) with parameters a =7.89, b = 5.49, c =12.65 A α= γ= 90°,β= 100.33°, density = 1.48 g/cm3, the a, b andβ values differing slightly from those reported previously in the literature. A degree of variation in relative intensities of hk0 reflections in, apparently, untilted [001] ED patterns was observed from a given sample, suggesting some variation in molecular packing. ED evidence was found for a second phase, with [001] appearing the same as for phase Ⅱ of the related poly(p-oxybenzoate) (PpOBA)polymer. CTFMP crystals polymerized above 220°C (up to 370°C) and CTFSP crystals polymerized at 300°C consisted of lamellae 100-200 A thick. | J.Yang J.Wang G.Sidoti J.Liu F.Rybnikar M.Kaszonyiova P.H.Geil | 2003 | Chinese Journal of Polymer Science2003,21,2: | 2 |
| 2 | MORPHOLOGY EVOLUTION IN PTFE AS A FUNCTION OF MELT TIME AND TEMPERATURE——Ⅰ.HIGH MOLECULAR WEIGHT SINGLE-AND MULTI-MOLECULE FOLDED CHAIN SINGLE CRYSTALS AND BAND STRUCTURES显示文摘The effect of sintering dispersed dispersion and nano-emulsion particles of high molecular weight polytetrafluoroethylene (PTFE) on a substrate as a function of 'melt' time and temperature is described. Folded chain single crystals parallel to the substrate and as ribbons on-edge (with double striations), as well as bands, are produced for longer sintering times; particle merger and diffusion of individual molecules, crystallizing as folded chain, single (or few) molecule,single crystals when 'trapped' on the substrate by cooling occur for shorter sintering times. It is suggested the observed structures develop with sintering time, in a mesomorphic melt. The structure of the nascent particles is also discussed. | J.Yang K.L.Petersen R.A.Williams P.H.Geil T.C.Long P.Xu | 2005 | Chinese Journal of Polymer Science2005,23,2: | 2 |
| 3 | Prophylaxis Against Hepatitis B Recurrence Posttransplantation Using Lamivudine and Individualized Low‐Dose Hepatitis B Immunoglobulin显示文摘 | L.Jiang L.Yan B.Li T.Wen J.Zhao L.Jiang N.Cheng Y.Wei J.Yang M.Xu W.Wang | 2010 | American Journal of Transplantation2010,,8: | 2 |
| 4 | Low-temperature wafer-scale productionof Zno nanowire aITays显示文摘 | Greene L E Law M Goldberger J Kim F Johnson J C Zhang Y F Saykally R J.Yang P D | | 0,,26: | 1 |
| 5 | Thermochemical interaction of thermal barrier coatings with molten CaO-MgO-Al2O3-SiO2(CMAS)deposits显示文摘 | S.Kr(a)mer J.Yang C.G.Levi | | 0,,10: | 1 |
| 6 | 透明细胞性肾细胞癌在不同组织学分类中的比较研究显示文摘目的:比较2004年WHO肾细胞癌组织学分类标准与1997年WHO及更早的分类标准的异同,总结常见的诊断差异及可能原因,纠正及更新对肾细胞癌的传统病理分类的观念。方法:收集天津医科大学肿瘤医院2004年2月至2008年2月间,根治性肾切除术后病理诊断为透明性肾细胞癌249例,按2004年WHO肾癌组织学分类标准重新分类,并收集相关临床资料进行分析。结果:原分类法的249例透明细胞癌,经重新分类后,发现透明细胞癌176例,乳头状肾细胞癌42例,嫌色细胞癌5例,多房性囊性肾细胞癌3例,混合型肾细胞癌23例(透明细胞癌+乳头状肾细胞癌2l例,乳头状肾细胞癌+嫌色性肾细胞癌2例)。结论:部分乳头状肾细胞癌与嫌色肾细胞癌过去易被诊断为透明细胞癌,两者具有相似的胞浆特点,及对其组织学特点认识不清是其主要原因;中国人乳头状肾细胞癌的发病率与国外相近,且其亚型的分类及诊断有待进一步的研究。 | 陈明 崔巍 张艳辉 刘素香 刘岩雪 Ximing J.Yang 姚欣 | 2011 | 中国肿瘤临床2011,38,24: | 1 |
| 7 | Prophylaxis Against Hepatitis B Recurrence Posttransplantation Using Lamivudine and Individualized Low‐Dose Hepatitis B Immunoglobulin显示文摘 | L.Jiang L.Yan B.Li T.Wen J.Zhao L.Jiang N.Cheng Y.Wei J.Yang M.Xu W.Wang | 2010 | American Journal of Transplantation2010,,8: | 1 |
| 8 | Epitaxial YSZ/CeO2 and YBCO on cube textured nickel显示文摘 | J.Yang D.Shi X.H.Wang A.S.Liu G.S.Yuan | | 0,,: | 1 |
| 9 | Biomechanical properties of the rat oesophagus in experimental type‐1 diabetes显示文摘 | J.Yang J.Zhao Y.Zeng H.Gregersen | 2004 | Neurogastroenterology & Motility2004,,2: | 1 |
| 10 | NONLINEAR DYNAMICS OF A FGM PLATE WITH TWO CLAMPED OPPOSITE EDGES AND TWO FREE EDGES显示文摘This paper deals with the nonlinear forced vibration of FGM rectangular plate with a boundary of two edges clamped opposite and the other two free. The plate is subjected to transversal and in-plane excitations. The present research treats the material properties of the FGM plates as temperature-dependent and graded continuously throughout the thickness direction, following the volume fraction of the constituent materials according to the power law. The temperature is assumed to be constant in the plane and varied only in the thickness direction of the plate. In the framework of geometrical nonlinearity the plate is modeled and the equations of motion are obtained on Hamilton's principle. With the help of Galerkin discretization, the nonlinear ordinary differential equations describing transverse vibration of the plate are proposed. By the numerical method, the nonlinear dynamical responses of the FGM plate with two clamped opposite and two free edges are analyzed. | Y.X.Hao W.Zhang J.Yang | 2014 | Acta Mechanica Solida Sinica2014,27,4: | 1 |
| 11 | Prophylaxis Against Hepatitis B Recurrence Posttransplantation Using Lamivudine and Individualized Low‐Dose Hepatitis B Immunoglobulin显示文摘 | L.Jiang L.Yan B.Li T.Wen J.Zhao L.Jiang N.Cheng Y.Wei J.Yang M.Xu W.Wang | 2010 | American Journal of Transplantation2010,,8: | 1 |
| 12 | Analytical Turn-off Current Model for Type of Conductivity Modulation Power MOSFETS with Extracted Excess Carrier显示文摘 | 李肇基 M.Zhang 方健 J.Yang | | 0,,01: | 1 |
| 13 | One Dimensional Nanostructures for Lithium-ion Batteries, Gas Sensors and Optoelectronics Applications显示文摘1 Results One dimensional (1D) nanostructures such as nanowires,nanotubes,nanorods and nanoribbons have been extensively investigated for a wide range of applications[1].Here,we present the synthesis,characterization and technological applications of several 1D nanostructures including SnO2 nanowires,CuO nanoribbons,CdSe nanowires and In2O3 nanowires.SnO2 nanowires were synthesized by thermal evaporation combined with a self-catalyzed growth procedure.Scanning electron microscopy (SEM) observation shows... | G.X.Wang M.S.Park J.S.Park X.L.Gou J.Yang D.Wexler J.Z.Wang J.Yao H.K.Liu | 2007 | 复旦学报(自然科学版)2007,46,5: | 1 |
| 14 | A two-phase test sample sparse representation method for use with face recognition显示文摘 | Y.Xu D.Zhang J.Yang J.-Y.Yang | | 0,,09: | 1 |
| 15 | Prophylaxis Against Hepatitis B Recurrence Posttransplantation Using Lamivudine and Individualized Low‐Dose Hepatitis B Immunoglobulin显示文摘 | L.Jiang L.Yan B.Li T.Wen J.Zhao L.Jiang N.Cheng Y.Wei J.Yang M.Xu W.Wang | 2010 | American Journal of Transplantation2010,,8: | 1 |
| 16 | RHIC能区Au+Au非对心碰撞中的事件形状(英文)显示文摘利用相对论量子分子动力学模型RQMD ,结合 2π干涉学分析 ,对RHIC能区s=2 0 0AGeVAu +Au非对心碰撞的事件形状进行了研究 .研究表明 ,HBT参数可以反映事件在坐标空间的非对称性 ,而不能直接给出事件在动量空间的压力梯度 .另外 ,HBT参数对横动量的依赖关系对系统的空间 -动量关联较为敏感 . | 张景波 J.Yang 霍雷 张卫宁 刘亦铭 N.Xu | 2002 | 高能物理与核物理2002,26,8: | 1 |
| 17 | Thermal performance and ground temperature of vertical pile-foundation heat exchangers:A case study显示文摘 | J.Gao X.Zhang J.Liu K.S.Li J.Yang | | 0,,: | 1 |
| 18 | Modeling biomembranes and red blood cells by coarse-grained particle methods显示文摘In this work, the previously developed coarse-grained(CG) particle models for biomembranes and red blood cells(RBCs) are reviewed, and the advantages of the CG particle methods over the continuum and atomistic simulations for modeling biological phenomena are discussed. CG particle models can largely increase the length scale and time scale of atomistic simulations by eliminating the fast degrees of freedom while preserving the mesoscopic structures and properties of the simulated system. Moreover, CG particle models can be used to capture the microstructural alternations in diseased RBCs and simulate the topological changes of biomembranes and RBCs, which are the major challenges to the typical continuum representations of membranes and RBCs. The power and versatility of CG particle methods are demonstrated through simulating the dynamical processes involving significant topological changes, e.g., lipid self-assembly vesicle fusion and membrane budding. | H.LI H.Y.CHANG J.YANG L.LU Y.H.TANG G.LYKOTRAFITIS | 2018 | Applied Mathematics and Mechanics(English Edition)2018,39,1: | 1 |
| 19 | 查看详情显示文摘 | B.Chen C.Liang J.Yang D.S.Contreras Y.L.Clancy E.B.Lobkovsky O.M.Yaghi and S.Dai | | 0,,09: | 1 |
| 20 | 查看详情显示文摘 | B.Chen C.Liang J.Yang D.S.Contreras Y.L.Clancy E.B.Lobkovsky O.M.Yaghi and S.Dai | | 0,,09: | 1 |