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[期刊论文] 作者:Qi ZHENG,Yufeng ZHENG,Hongyu Z, 来源:材料科学技术学报(英文版) 年份:2004
The solidified microstructure of a Ni-Cu-Si cast alloy has been investigated, and a kind of banding structure was observed. The results showed that, the banding...
[期刊论文] 作者:Hua WEI,Xiaofeng SUN,Qi ZHENG,, 来源:材料科学技术学报 年份:2004
Interdiffusion coefficients at 950℃ and 1050℃ are calculated by Wagner analysis method as a function of composition of β-NiAI phase. Theβ-NiAI phase is form...
[期刊论文] 作者:Hua WEI,Xiaofeng SUN,Qi ZHENG,, 来源:材料科学技术学报(英文版) 年份:2004
A numerical method has been developed to extract the composition-dependent interdiffusivity from the concentration profiles in the aluminide coating prepared by...
[期刊论文] 作者:Hua WEI,Xiaofeng SUN,Qi ZHENG,, 来源:城市道桥与防洪 年份:2004
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:Hua WEI,Xiaofeng SUN,Qi ZHENG,, 来源:城市道桥与防洪 年份:2004
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:PAN Qi Zheng, SHI Jia Hong, LI, 来源:Biomedical and Environmental Sciences 年份:2004
[期刊论文] 作者:Hongwei Li,Gui Wang,Qi Zheng,B, 来源:植物学报(英文版) 年份:2004
Growth light intensities largely determine photo-synthesis, biomass, and grain yield of cereal crops. To explore the genetic basis of light responses of biomass...
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