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3篇 您的检索式:作者名="W.P.Chen"
    题名 作者 年代 出处 被引量
1NUMERICAL SIMULATION OF EXTRUSION OF COMPOSITE POWDERS PREPARED BY HIGH ENERGY MILLING显示文摘Based on the characteristic of high energy milling and the micromechanics of composite material, a plastic constitutive equation is implemented for milled composite powders. To check the equation, the extrusion of Ti/Al composite powders prepared by high energy milling was simulated. It was from the numerical analysis that the predicted extrusion pressure mounted up with milling time and extrusion ratio increasing,which was perfect agreement with experimental results.X.Q.Li W.P.Chen W.Xia Q.L.Zhu Y.Y.Li E.D.Wang 2004Acta Metallurgica Sinica(English Letters)2004,17,1:2
2Stellar X-ray Sources in the Rosette Nebula显示文摘We present optical photometric and spectroscopic studies of ROSAT X-ray stellar sources in the Rosette Nebula star-forming region. The brightest Xray sources are either massive stars or active T Tauri stars associated with the open cluster NGC 2244, or are foreground stars. Some of the spectra of the young stars newly identified in the region are presented.W.P.Chen P.S.Chiang J.Z.Li 2004Chinese Journal of Astronomy and Astrophysics2004,4,2:0
3斐济—汤加地幔过渡带的地震波各向异性显示文摘论述了一个不常见的、明显的过渡带(TZ)各向异性的实例,证据来自于许多比垂直偏振剪切波(SV)早到3s的水平偏振剪切波(SH)。各向异性区与远离活动俯冲带及已知的纵、横波速度横向非均匀体边界的深震相关。我们把这一各向异性区解释为与岩石层残骸中的巨大岩石异常体有关的强组构,这个巨大的岩石异常体悬浮并滞留于过渡带中。冷板块的快速俯冲非常适合于这种组构的形成,因此板块穿透到下地幔并不能普遍发生。W.P.Chen M.R.Brudzinski 常利军 张弘 丁志峰 2004世界地震译丛2004,,3:0
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