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一、前言用宽束γ射线衰减法测定矿石密度(或称体重),已在铀矿床勘探工作中广泛使用,并取得了有成效的结果。但是,众所周知,这种方法主要是在坑道中使用。随着铀矿勘探工作
I. INTRODUCTION The determination of ore density (or body weight) by wide-beam γ-ray attenuation has been widely used in the exploration of uranium deposits and has achieved fruitful results. However, it is well known that this method is mainly used in tunnels. With uranium exploration work