1) natural gamma rays
自然伽马射线
2) natural gamma-ray spectrum
自然伽马射线谱
3) formation natural gamma-ray
地层自然伽马射线
4) natural gamma radiation
自然伽马辐射
6) gamma-ray curve
自然伽马曲线
1.
Based on abundant information of gamma-ray curves,combining wavelet analysis with fast Fourier transform,the Milankovitch cycle and its thickness of Cretaceous in Wushi sag is identified using frequency spectral analysis,then the sedimentation rates of each layer of Cretaceous in studied area are precisely calculated.
以自然伽马曲线包含的丰富地质信息为基础,通过小波分析与快速傅里叶变换相结合,运用频谱分析法在乌什凹陷白垩系识别出米兰柯维奇沉积旋回,并确定出米氏旋回的厚度,在此基础上精确计算出资料区白垩系各层组沉积速率。
2.
Based on marker bed resistivity,long-spaced gamma-gamma and gamma-ray curves\' abnormal shapes,have verified hosting varying regularity of 9 coal seams in the area,and 2 reverse faults with fault throws of 72.
根据该区标志层的电阻率曲线、长源距伽马—伽马曲线及自然伽马曲线异常形态,掌握了该区赋存的9层煤层的变化规律,并依据测井曲线对比结果发现逆断层两条,其断距分别约为72。
补充资料：伽马射线
1.亦称丙种射线。镭和其它一些放射性元素的原子所放出的射线。通常写作γ射线。伽马，希腊字母第三个字母γ的译音。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条