搜索筛选:
搜索耗时2.2456秒,为你在为你在102,285,761篇论文里面共找到 10 篇相符的论文内容
发布年度:
[会议论文] 作者:Li Yuandong,李远东,
来源:2012国际传输与覆盖研讨会 年份:2012
本文首先分析了下一代广电有线接入网业务流量的特点,进而认为宜发展上下行非对称的EPoC.TDD与FDD均可构造上下行非对称的EPoC,然而综合考虑频谱效率、复杂度、工程难度、总体拥有成本、功耗等因素,认为EPoC宜采用TDD.另一方面,经过定量分析,认为EPoC最佳应用场......
Microstructure characteristics and solidification behavior of wrought aluminum alloy 2024 rheo-dieca
[期刊论文] 作者:Li Yanlei,Li Yuandong,Li Chun,,
来源:中国铸造 年份:2004
...
Microstructure characteristics and solidification behavior of wrought aluminum alloy 2024 rheo-dieca
[期刊论文] 作者:Li Yanlei,Li Yuandong,Li Chun,,
来源:中国铸造:英文版 年份:2012
One important problem in casting wrought aluminum alloys is the high tendency to the formation of hot tears in the solidification process.By using semi-solid me...
[期刊论文] 作者:Xing Bo,Li Yuandong,Ma Ying,Ha,
来源:中国铸造 年份:2004
A novel cast processing method, self-inoculation method(SIM), was proposed. The process involves the addition of self-inoculant to melt, then pouring the melt t...
[期刊论文] 作者:Xing Bo,Li Yuandong,Ma Ying,Ch,
来源:中国铸造:英文版 年份:2013
Semisolid rheoforming(SSR)is a promising technology for the production of Mg wrought alloy in foundry settings.In order to realize SSR,it is necessary to charac...
[期刊论文] 作者:Xing Bo,Li Yuandong,Ma Ying,Chen Tijun,Hao Yuan,,
来源:China Foundry 年份:2013
Semisolid rheoforming(SSR)is a promising technology for the production of Mg wrought alloy in foundry settings.In order to realize SSR,it is necessary to charac...
Friction Stir Processing of Thixoformed AZ91D Magnesium Alloy and Fabrication of Surface Composite R
[期刊论文] 作者:CHEN Tijun,ZHU Zhanming,MA Ying,LI Yuandong,HAO Yuan,
来源:武汉理工大学学报(材料科学版)(英文版) 年份:2010
...
[期刊论文] 作者:ZHAO Zhanyong,GUAN Renguo,WEI Qing,ZHANG Yang,XU Guangming,LI Yuandong,
来源:武汉理工大学学报(材料科学版)(英文版) 年份:2015
The mathematical model of lfow shear constitutive relation during rheo-rolling process has been established. The distribution of velocity and shear stress in rolling cavity was investigated, and the effects of process parameters on shear st......
[期刊论文] 作者:YANG Guirong,SONG Wenming,MA Ying,LU Jinjun,HAO Yuan,LI Yuandong,WANG Haitang,
来源:武汉理工大学学报(材料科学版)(英文版) 年份:2011
...
[会议论文] 作者:Li Yuandong,李元东,Wu Huihui,武慧慧,Chen Tijun,陈体军,Huang Xiaofeng,黄晓锋,Ma Ying,马颖,
来源:2012年中国压铸、挤压铸造、半固态加工学术年会 年份:2012
研究了半固态浆料保温时间及压铸速率对自孕育流变成形AZ91D镁合金组织影响,同时对压铸速率对拉伸性能的影响进行了分析.研究结果表明,经短时间保温,可制备出组织细小均匀的半固态浆料,其平均晶粒尺寸约为70 μm.浆料保温10 min,随压铸速率的增加,初生固相体积......
相关搜索: