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boundary layer flow adjacent to a vertical plate with prescribed surface temperature immersed in an incompressible viscous fluid,where the effect of thermal radiation was taken into consideration... decreases in the presence of the radiation effect.关键词:......
同步辐射的基本知识第一讲同步辐射光源的原理,构造和特征(续) 黄月鸿1,杨传铮2,程国峰1 (1.中国科学院,上海硅酸盐研究所,上海,200050;2.中国科学院,上海微系统与信息技术研究所,上海,200050) 摘要: 4 同步辐射光源的主要特征与一般X射线源相比较,同步辐射光源有如下特征:(1)高强度,更确切讲是高亮度,同步辐射X射线亮度比60kW旋转阳极X射线源所发出的特征辐射的亮度分别高出3~6个量极. [全文内容正在添加中] ......
碳化硼固相烧结微观结构演化的同步辐射CT观测 胡小方1,许峰1,袁清习2,赵建华1,卢斌1,伍小平1 (1.中国科学技术大学,中国科学院材料力学行为和设计重点实验室,合肥,230026;2.中国科学院,高能物理研究所,北京,100039) 摘要:利用同步辐射CT (SR-CT) 技术,在碳化硼陶瓷样品烧结过程中对其进行实时投影成像,并应用滤波反投影算法和数字图像处理技术,得到了样品在整个烧结过程中内部微结构演化的二维和三维重建图像,实现了对陶瓷固相烧结过程实时,无损的观测.通过重建图像清晰观测到了陶瓷样品在烧结三个阶段中颗粒接触,烧结颈形成,晶粒和气孔长大,气孔球化并收缩等烧结现象;统计......
4) Center for Composite Materials,Harbin Institute of Technology,Harbin 150001,China摘 要:Vacuum ultraviolet radiation of Upilex-S polyimide film 25 μm thick... on the surface consist mainly of carbon clusters.Changes in the composition and the chemical characteristics of film surface after radiation were identified by X-ray photoelectron spectroscopy(XPS......
laminated elliptical shell immersed in air is proposed. A variational method and multi-segment technique are used to formulate the dynamic model. The sound radiation of the exterior fluid field is calculated...-uniqueness solution of system is eliminated by a combined Helmholtz integral. Numerical examples for sound radiation problems of composite laminated elliptical shells are presented and individual contributions......
Deterioration Characteristics of Cement-Fly Ash Paste under Strong Ultraviolet Radiation and Low Temperature Conditions刘数华1,2,WANG Lu1,2,WANG Lei31. State Key Laboratory of Water Resources... Saving, Guilin University of Technology摘 要:The pastes containing different dosages of fly ash were taken into ultraviolet radiation and low temperature freeze......
Radiation induced color centers in cerium-doped and cerium-free multicomponent silicate glasses傅鑫杰1,2,宋力昕1,李家成11. The Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences2. University of Chinese Academy of Sciences摘 要:The effect of doped cerium on the radiation-resistance behavior of silicate glass......
Radiation damage of 1Cr18Ni9Ti and Zr-Ti-Al alloys due to energetic particle irradiationMaosheng CHAI, Wensheng LAI , Zhengcao LI and Wei FENG Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China摘 要:The radiation damage of 1Cr18Ni9Ti stainless steel and the Zr-Ti-Al alloy by 200 keV Xe+ ions bombardment......
Radiation induced color centers in cerium-doped and cerium-free multicomponent silicate glasses傅鑫杰1,2,宋力昕1,李家成11. The Key Laboratory of Inorganic Coating Materials, Shanghai Institute of Ceramics, Chinese Academy of Sciences2. University of Chinese Academy of Sciences摘 要:The effect of doped cerium on the radiation-resistance behavior of silicate glass......
STUDY OF POSITRON ANNIHILATION ONE DIMENSION ANGULAR-CORRELATION RADIATION ON POLYCRYSTAL Na+ CONDUCTOR Na5Y1-xCrxSi4O12蔡飞虎,朱警生摘 要:<正> With positron annihilation radiation onedimension angular-correlation device,it ismeasured that positron annihilation radiationone dimension angular-correlation curves ofpolycrystal sodium ion conductor......