By using the 40Ar-39Ar chronological method to date K-feldspar from K-feldspar granite in the Qiaohuote copper district, the authors obtained a plateau age of 2
新修订的《行政诉讼法》(以下简称新法)正式实施已有一年。新法针对“立案难”、“审理难”和“执行难”等问题,强化了对行政相对人合法诉权的保障,严格了对行政行为合法性和
The Bulong gold deposit, located in the southwest Tianshan in China, occurs in the Upper Devonian finegrained clastic rocks. The gold orebodies are controlled b
Based on the identification and enhancive processing of information about strata, structure, magmatite, and alteration in ore-concentrated area in the east Tian
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
The Yangshan gold deposit is a super-large fine-grained disseminated gold deposit located in south Gansu Province. Its metallogenic age has been determined by u
West Yunnan is the well-known polymetallic province in China. It is characterized by copper-gold mineralization related to Cenozoic alkali-rich porphyry. This p
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
针对煤矿火灾水灾瓦斯突出瓦斯爆炸等事故在煤矿生产中频发的问题,设计了一种通过远程或就地控制实现关闭的井下快速密闭装置.该装置能够有效减小煤矿灾害的规模.快速密闭门
Located in the East Qinling molybdenum metallogenic belt on the south margin of the North China craton, the Nannihu Mo (-W) orefield comprising Nannihu, Sandaoz