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[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......
[期刊论文] 作者:Li Yanlei,Li Yuandong,Li Chun,, 来源:中国铸造 年份:2004
[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...
[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......
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