您要查找的是不是：
- natural gamma ray curves 自然伽马曲线
- Gamma ray curves including a great amount of geological information reflect well stratigraphic cycles caused by climate changes. 自然伽马曲线包含丰富的地质信息,很好地反映了由气候变化引起的地层旋回。
- Natural gamma logging is a kind of most basic methods of well logging in cased wells which measure with gamma ray detector along well during logging. 自然伽马测井是套管井测井中一种最基本的方法。它以地层自然放射性为基础,测井时用伽马射线探测器沿井眼进行测量。
- Determination of photomultiplier working points is the key problem in solving process of natural gamma ray logging instrument (NGRLI), and also the main issue puzzling NGRLI. 自然伽玛测井仪在调试过程中的关键问题是光电倍增管工作点的确定,也是困绕测井仪的主要问题。
- This paper theoretically discusses the relationship between the natural gamma ray spectrometry (NGS) and clayey mass fraction and cation exchange capacity (CEC) in the stratum. 阐述了地层中的自然伽马能谱与泥质质量分数及阳离子交换量的关系，介绍一种利用自然伽马能谱确定泥质质量分数和阳离子交换量的方法。
- The data of natural gamma ray spectrum logging are of well conformity with the contents of thorium, uranium and potassium obtained by surface gamma ray survey, laboratory analysis and aerial gamma ray spectrum survey. 对自然伽马能谱测井仪、面伽马能谱、内分析、空伽马能谱测量的同一地点钍、、元素含量进行对比分析得知，各种方法所得结果具有较好的一致性。
- Natural Gamma Ray Spectrum Logging Survey 自然伽玛能谱测井
- natural gamma ray spectrometry log 自然伽马能谱测井
- natural gamma ray spectrometry logging 自然伽马能谱测井
- natural gamma ray spectrum logging 自然伽马能谱测井
- Keywords natural gamma ray;logging;photomultiplier; 自然伽玛;测井;光电倍增管;
- Method for sensitivity adjusting of big-crystal natural gamma ray tool 大晶体自然伽马仪器灵敏度调整方法
- A new automatic spectra-stabilization method for natural gamma ray spectralog 一种用于自然伽马能谱测井仪器的自动稳谱技术
- Utility of Photomultiplier Tube in the Natural Gamma Ray Logging Tool 光电倍增管在自然伽马测井仪中应用
- Application of Natural Gamma Ray Spectrometry Log to the Shale Cap Rock Character Evaluation in Tuha Basin 自然伽马能谱测井在吐哈盆地盖层评价中的应用
- Application of natural gamma ray spectrometry log to the glutenite body of the northern actic region in Dongying Sag 自然伽马能谱测井在东营凹陷北部陡坡带砂砾岩体中的应用
- RELATIONSHIP BETWEEN RADIOACTIVITY OF NATURAL GAMMA RAY FROM ROCKS AND LITHOLOGY IN DAQING OIL FIELD 大庆油田岩石自然伽马放射性与岩性的关系
- Causation of Difference in Uranium Content Measured by Natural Gamma Ray Spectrometry Log and Neutron Activation Analysis 自然伽马能谱测井与中子活化铀差异原因分析
- At the point of collision they may release a giant Gamma Ray Burst. 在它们碰撞的那一刻将释放出一个强大的伽玛射线爆发。
- CGR system is used to measure gamma ray intensity of core. 岩心伽马测量系统(CGR系统)是一种用于对钻井取心进行连续伽马射线总强度测量的专用测量系统。
