天然γ射线低能谱测定岩性参数的应用研究  

A Applied Research on Determining Lithologic Parameter Based on Natural γ-ray Low-energy Spectrum

作　　者：杨宇奇[1] 周四春[1] 唐晓川[1] 刘斌[1] 唐桢[1] 廖芹[1] 

机构地区：[1]成都理工大学,四川成都610059

出　　处：《核电子学与探测技术》2012年第3期325-328,共4页Nuclear Electronics & Detection Technology

基　　金：国家高新技术研究发展计划(863计划)(2006AA06A200)资助

摘　　要：以理论研究为依据,以天然γ射线低能谱为研究对象,探讨了天然γ射线低能谱段分布特征同岩性参数(有效原子序数、密度)之间的关系。在此基础上根据实测地质剖面的低能伽玛谱线,利用回归分析,定量地确定了天然γ射线低能谱段与岩性参数关联度最高的能量区间,为利用天然γ射线低能谱段信息测定岩性参数提供了依据。Regarding the field measured ,γ-ray low - energy spectrum as research subject, the paper focus on the relationship between the distribution characteristics of natural γ- ray low - energy spectrum and the lithol- ogic parameter （effective atomic number, density）. On these basis, the highest weighted relational energy range was qualitatively identified by the method of regression analysis , which provided the foundation for the determi- ning litholozic parameter by analyzing information of the natural γ- ray low - energy spectrum.

关 键 词：天然γ射线 低能谱 岩性参数 回归分析 

分 类 号：TL817.2[核科学技术—核技术及应用]