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[期刊论文] 作者:Madsen,D,阚世哲, 来源:国外金属矿山 年份:1992
加拿大马尼托巴省纳缪湖镍矿(Namew Lake Mine)采用天井深孔法开采,使用直径3m、倾角45°~50°的钻凿天井做为采场进路和凿岩巷道。这些天井都布置在矿体内,天井中心...
[会议论文] 作者:LAI Zhong-ping,LIU Xiang-jun,Madsen D,LONG Hao,SUN Yong-juan, 来源:“东亚欧环境变化过程-亚洲季风变化与高低纬气候相互作用”第八届国际研讨会 年份:2011
Closed-basin lake levels in northwestern China during late MIS 3 (40~25 ka) have long been considered much higher than their Holocene counterparts, leading to the creation of climate models incorporat...
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