搜索筛选:
搜索耗时4.2189秒,为你在为你在102,285,761篇论文里面共找到 13 篇相符的论文内容
发布年度:
[期刊论文] 作者：QIU Jian-jun,WANG Li-gang,TANG,
来源：中国农业科学：英文版 年份：2005
This paper aims to estimate the soil organic carbon (SOC) storage in Northeast of China, identify its balance situation and changing trends under current croppi...
[期刊论文] 作者：Nguyen Thanh Tuan,QIU Jian-jun,
来源：中国农业科学：英文版 年份：2011
Huang-Huai-Hai 平原在中国是最重要的冬季小麦和玉米生产区域。响应增加的人口压力，中国当局强烈在改进灌溉系统并且在平原以内增加扎根并且出现的水利用增加庄稼生产率投资...
[期刊论文] 作者：TANG Hua-jun,QIU Jian-jun,WANG,
来源：中国农业科学：英文版 年份：2010
Soil organic carbon (SOC) is one of the centre issues related to not only soil fertility but also environmental safety. Assessing SOC dynamics in croplands has...
[期刊论文] 作者：Nguyen Thanh Tuan,QIU Jian-jun,
来源：中国农业科学（英文版） 年份：2004
The Huang-Huai-Hai Plain is the most important winter wheat and maize production region in China. In response to the increasing population pressure, the Chinese...
[期刊论文] 作者：QIU Jian-jun,WANG Li-gang,TANG,
来源：中国农业科学（英文版） 年份：2005
This paper aims to estimate the soil organic carbon (SOC) storage in Northeast of China, identify its balance situation and changing trends under current croppi...
[期刊论文] 作者：TANG Hua-jun,QIU Jian-jun,WANG,
来源：城市道桥与防洪 年份：2010
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：Nguyen Thanh Tuan,QIU Jian-jun,
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：LI Hu,QIU Jian-jun,WANG Li-gan,
来源：农业科学学报：英文版 年份：2012
Agricultural production plays an important role in affecting atmospheric nitrous oxide (N2O) concentrations. Field measurements were conducted in Dalian City, L...
[期刊论文] 作者：QIU Jian-jun,WANG Li-gang,LI H,
来源：中国农业科学：英文版 年份：2009
This study quantified the impacts of soil organic carbon(SOC) content on the grain yield of crops using a biogeochemical model(DNDC,denitrification-decompositio...
[期刊论文] 作者：QIU Jian-jun,WANG Li-gang,LI H,
来源：城市道桥与防洪 年份：2009
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...
Impacts of Fertilization Alternatives and Crop Straw Incorporation on N_2O Emissions from a Spring M
[期刊论文] 作者：YANG Li,WANG Li-gang,LI Hu,QIU Jian-jun,LIU Hui-ying,,
来源：Journal of Integrative Agriculture 年份：2014
Spring maize is one of the most popular crops planted in northeastern China. The cropping systems involving spring maize have been maintaining high production t...
[期刊论文] 作者：LI Hu,QIU Jian-jun,WANG Li-gang,XU Ming-yi,LIU Zhi-qiang,WANG Wei,,
来源：Journal of Integrative Agriculture 年份：2012
Agricultural production plays an important role in affecting atmospheric nitrous oxide (N2O) concentrations. Field measurements were conducted in Dalian City, L...
[期刊论文] 作者：Wei HONG,Xiao-ya XU,Zhao-hui QIU,Jian-jun GAO,Zhan-ying WEI,Li ZHEN,Xiao-li ZHANG,
来源：中国药理学报（英文版） 年份：2015
...
相关搜索：
