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chao sheng cheng xiang ji qi zai yan rong tan ce zhong de ying yong
Author(s): 
Pages: 45-49
Year: Issue:  6
Journal: Hydrogeology and Engineering Geology

Keyword:  换能器岩溶探测声阻抗超声成象地球物理测井钻孔井径岩溶调查裂隙发育发育情况;
Abstract: <正> 近几年来,随着岩溶调查研究的深入,岩溶探测技术有了较大的进展。为查明钻孔内的岩溶及裂隙的发育情况,地球物理测井方法虽然在很多方面弥补了岩芯钻探的不足,仍无较为有效的探测手段。对于探测地质体来说,超声波具有可见光不可能具有的穿透物质的本领,而定向发射超声波的换能器在技术上已经成功,所以应用超声扫描来获得钻孔地质剖面的直观图象,进而去探测钻孔内的岩溶、裂隙发育情况越来越被人们所重视。
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