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[期刊论文] 作者：Lin ZHU,Yansui LIU,
来源：农业科学与技术：英文版 年份：2012
Abstract [Objective] This study aimed to investigate the impact of off-farm employ- ment of agricultural labor on grain production. [Method] Impact of off-farm...
[期刊论文] 作者：Lin ZHU,Yansui LIU,
来源：农业科学与技术：英文版 年份：2004
Abstract [Objective] This study aimed to investigate the impact of off-farm employ- ment of agricultural labor on grain production. [Method] Impact of off-farm...
[期刊论文] 作者：Liu Yansui,Liu Yu,Guo Liying,
来源：中国人口．资源与环境：英文版 年份：2011
A number of studies indicate that global climate warming has been increasing,especially in recent decades.Climate warming greatly affects global agro-production...
[期刊论文] 作者：Yuheng LI,Guoming DU,Yansui LIU,
来源：城市道桥与防洪 年份：2016
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...
[会议论文] 作者：Xiaoqiong Liu,Yansui Liu,Tongsheng Li,Huanhuan Meng,Yang Rui,
来源：IGU2013 International Conference on Water Sustainability in 年份：2013
[Objective]Although there are rich coal resources in the Kuye river basin,but the water resource lacks and soil erosion is seriously,analysis of the basin water resource change influenced by large sca...
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