搜索筛选:
搜索耗时0.0858秒,为你在为你在102,285,761篇论文里面共找到 3 篇相符的论文内容
类      型:
[期刊论文] 作者:LI Xiang-ling,GUO Li-guo,ZHOU, 来源:农业科学学报:英文版 年份:2019
Over-use of N fertilizer in crop production has resulted in a series of environmental problems in the North China Plain(NCP).Thus,improvement of nitrogen use ef...
[期刊论文] 作者:LI Xiang-Iing,GUO Li-guo,ZHOU, 来源:城市道桥与防洪 年份:2019
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:SHI Hong-zhi,FAN Quan-chun,BAI Gui-e,GAO Jian-yi,LIU Jun-lian,MI Tao,ZHAO Shuang,LIU Yu,GUO Li-guo,XU, 来源:中国结合医学杂志(英文版) 年份:2020
Objective: To summarize and elucidate the characteristics and evolvement of Chinese medicine (CM) patterns reflecting the physical and mental conditions of participants in the Mars 500 long-term closed environment.Methods: The DS01-T Digita......
相关搜索: