The in-situ forming TiB<sub>2</sub> reinforced Al composite was favorably prepared by reaction-sintering of pure Al,Ti and B powders under vacuum.The TiB<sub>2<
旅游业被称为无烟产业,具有投资少、见效快、收益高等特点。有商业头脑的企业,自然不会放过这块肥肉。但是,如何发展旅游业,各方却思路迥异。有的被利益驱使,粗制滥造,建起千
为贯彻落实中央经济工作会议和全国工业和信息化工作会议精神,深入学习《招标投标法实施条例》,分析总结全国招标中心系统共性问题。
通过田间试验,研究在施用氮、磷、钾肥的基础上,增施商品有机肥对西瓜、大白菜产量、品质及主要农艺性状的影响。结果表明:增施商品有机肥1500-6000kg/hm^2,西瓜和。大白菜产量分
The cantilever bending test,particularly monitored by an acoustic emission technique,was adopted to measure the tensile and interfacial adhesive strengths of th
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Microstructural studies have been made on the Mg-0.54Zr,Mg-5.68Zn andMg-5.65Zn-0.50Zr alloys in the as-cast and homogenized states.The lenticular plates of{012}
Plots of corrosion-wear loss vs load and anodic polarization curves during wearing werefor a duplex stainless steel in 69% H<sub>3</sub>PO<sub>4</sub> solution
Shape-MemoryIntermetallicsDevelopmentinTaiwanS.K.Wu(InstituteofMaterialsScienceandEngineering,NationalTaiwanUniversityTaipei,...
控制与结构、动力并称为航天领域的三大核心专业。如果将结构比作导弹与火箭的躯干,那么发动机是心脏,而控制系统则是导弹与火箭的大脑。中国航天企业控制系统研制模式是在我