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[期刊论文] 作者：DU Lian-feng ZHAO Tong-ke ZHAN,
来源：中国农业科学：英文版 年份：2011
The aim of this study was to determine the nitrate pollution status of soil, groundwater, and vegetable from three typical farmlands (croplands, vegetable field...
[期刊论文] 作者：DU Lian-feng,ZHAO Tong-ke,ZHAN,
来源：中国农业科学（英文版） 年份：2004
The aim of this study was to determine the nitrate pollution status of soil, groundwater, and vegetable from three typical farmlands (croplands, vegetable field...
[期刊论文] 作者：DU Lian-feng,ZHAO Tong-ke,ZHAN,
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...
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