“density logging device”的概念、定义、翻译、参考文献-科学参考

单词	density logging device
释义	density logging device Encyclopedia 工学中子测井仪释 density logging device密度测井仪以伽马射线与地层相互作用为基础，利用同位素伽马源向地层辐射伽马射线，在一定源距外探测各种散射伽马射线，以测定地层密度的核测井仪器。又称散射伽马能谱测井仪。
随便看	magnetic potential magnetic potential drop magnetic powder core materials magnetic pressure magnetic prestorm magnetic prime vertical magnetic probe magnetic properties of crystal magnetic property magnetic property measurement magnetic prospecting magnetic protection magnetic proximity effect magnetic puka magnetic pulse magnetic pulse joining magnetic pumping magnetic purification of non-metallic ores magnetic quadrupole magnetic quadrupole moment magnetic quadrupole radiation magnetic quantity sensor magnetic quantization magnetic quantum number magnetic Raman scattering

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