“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	Abelian subgroup Abelian subvariety Abelian surface Abelian symmetry Abelian system Abelian theorem Abelian tower Abelian variety Abel identity Abel impossibility theorem Abel inequality Abel integral Abel integral equation Abel irreducibility theorem Abel Jacobi mapping Abel-Jacobi mapping Abel Janszoon Tasman Abell Catalogue Abell catalogue Abell cluster Abel lemma Abel limit Abell radius Abell richness class Abel method

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