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,Direct measurements of conductivity and mobility in millimeter-sized single-crystalline graphene vi
[期刊论文] 作者:Yu-Yang Zhang,Yun-Qi Liu,
来源:中国物理B(英文版) 年份:2017
We report the direct measurements of conductivity and mobility in millimeter-sized single-crystalline graphene on SiO2/Si via van der Pauw geometry by using a h...
Nitrogen in soils beneath 18-65 year old stands of subtropical evergreen broad-leaved forests in Lao
[期刊论文] 作者:GU Feng ZHANG Kai ZHANG Yun-qi,
来源:林业研究:英文版 年份:2011
Monitoring of soil nitrogen (N) cycling is useful to assess soil quality and to gauge the sustainability of management practices. We studied net N mineralizatio...
Nitrogen in soils beneath 18-65 year old stands of subtropical evergreen broad-leaved forests in Lao
[期刊论文] 作者:GU Feng,ZHANG Kai,ZHANG Yun-qi,
来源:林业研究(英文版) 年份:2004
Monitoring of soil nitrogen (N) cycling is useful to assess soil quality and to gauge the sustainability of management practices.We studied net N mineralization...
Nitrogen in soils beneath 18-65 year old stands of subtropical evergreen broad-leaved forests in Lao
[期刊论文] 作者:GU Feng,ZHANG Kai,ZHANG Yun-qi,
来源:城市道桥与防洪 年份:2011
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥...
[期刊论文] 作者:ZHANG Yun-Qi,ZHANG Xin-Bao,LONG Yi,
来源:核技术(英文版) 年份:2014
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[会议论文] 作者:LI-jun,ZHANG Yun-qi,李军,张云起,
来源:中国运筹学会企业运筹学第四届学术年会 年份:2009
营销风险是目前企业营销活动中的突出问题,而如何识别营销风险是营销风险管理的关键。通过对大量来源可靠的营销信息资料进行系统分析,采用支持向量机的思想,建立营销风险识......
[会议论文] 作者:LI-jun,李军,ZHANG Yun-qi,张云起,
来源:中国运筹学会 年份:2009
营销风险是目前企业营销活动中的突出问题,而如何识别营销风险是营销风险管理的关键。通过对大量来源可靠的营销信息资料进行系统分析,采用支持向量机的思想,建立营销风险识别模型,对这些资料和数据进行处理,得到关于营销风险发生的类别及其程度的有关信息,为选择营销......
[期刊论文] 作者:GAO Jin-zhang,LONG Yi,ZHANG Xin-bao,Collins Adrian L,HE Xiu-bin,ZHANG Yun-qi,SHI Zhong-lin,,
来源:Journal of Mountain Science 年份:2016
Reservoir sedimentation dynamics were interpreted using Cs-137 activity,particle size and rainfall erosivity analysis in conjunction with sediment profile corin...
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