搜索筛选:
搜索耗时0.0291秒,为你在为你在61,042,058篇论文里面共找到 4 篇相符的论文内容
类      型:
[期刊论文] 作者:LI Zhi-Guo,ZHANG Run-Hua,WANG, 来源:土壤圈(意译名) 年份:2004
In northwestern China, there has been a change from traditional cultivation system(TC)with no mulching and flood irrigation to a more modern cultivation system(...
[期刊论文] 作者:LI Xi-bing,LI Zhi-guo,ZHOU Zi-, 来源:中南大学学报(英文版) 年份:2004
A set of water powered excavation test system was developed for the comprehensive performance testing and evaluation of water powered percussive rock drill indo...
[期刊论文] 作者:ZHAO Ya-zhou,LI Zhi-guo,TIAN W, 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...
[期刊论文] 作者:XIE Xue-song,ZHANG Xiao-ling,LV Chang-zhi,LI Zhi-guo,FENG Shi-wei,XU Li-guo, 来源:城市道桥与防洪 年份:2004
The I-V characteristic of GaN-based p-i-n ultraviolet detector is presented. It is measured at different temperatures and analyzed with changing temperature. Th...
相关搜索: