“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	reserve cadre system reserved land for cultivating reserved taxi reserved volume reserved word reserve identification system reserve of grass products reserve ore of open-pit mine reserve ore of underground mining reserve printing fabric reserves reserves of the miscellaneous taxes reservior engineering reservior engineering scheme reservior inflow flood forecasting reservior project planning reservoir reservoir appraisal reservoir appraisal exploration reservoir aquaculture reservoir architecture reservoir architecture analysis technology reservoir bank collapse reservoir-boundary testing reservoir characterization

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