搜索筛选:
搜索耗时2.6817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
发布年度:
Evaluation of Soil Fertility Under Different Cupressus chengiana Forests Using Multivariate Approach
[期刊论文] 作者：PANG Xue-Yong,BAO Wei-Kai,ZHAN,
来源：土壤圈：英文版 年份：2006
The distribution and growing conditions of Cupressus chengiana forests along with the physical and chemical properties of soils in Northwest Sichuan were st...
Evaluation of Soil Fertility Under Different Cupressus chengiana Forests Using Multivariate Approach
[期刊论文] 作者：PANG Xue-Yong,BAO Wei-Kai,ZHANG Yong-Mei,
来源：城市道桥与防洪 年份：2006
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...
Changes of Soil Enzyme Activities in Different Restoration Ages of Spruce Forests on the Eastern Qin
[期刊论文] 作者：ZHANG Yong-mei,BAO Wei-kai,PANG Xue-yong,WU Ning,ZHOU Guo-yi,
来源：武汉大学学报（英文版） 年份：2004
Six soil enzymes (invertase, acid phosphatase, proteinase, catalase, peroxidase and polyphenoloxidase ) were chosen for investigation under different spruce for...
相关搜索：
