搜索筛选:
搜索耗时3.4277秒,为你在为你在102,285,761篇论文里面共找到 2 篇相符的论文内容
类      型:
[期刊论文] 作者:Rui Gao,Tiejun Kuang,Yanqun Zhang,Wenyang Zhang,Chunyang Quan, 来源:国际煤炭科学技术学报(英文版) 年份:2021
When mining extra-thick coal seams,the main cause of strong ground pressure are the high-level thick and hard strata,but as yet there is no active and effective control technology.This paper proposes the method of subjecting hard roofs to g......
[会议论文] 作者:Jiandong Wang,Yanqun Zhang,Shihong Gong,Di Xu,Richard Snyder,Yuefen Zhao, 来源:中国水利水电科学研究院第十三届青年学术交流会 年份:2016
A field experiment was conducted for two consecutive years(2013-2015)to study the effects of straw mulching on microclimate characteristics,energy flux,soil evaporation,evapotranspiration,yield and wa...
相关搜索: