“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	pressure-induced crystallization pressure-induced magnetic phase transition pressure-induced phase transition pressure-induced soft mode phase transition pressure-induced spectrum pressure-induced structral phase transtion pressure-induced superconducting phase transition pressure inflow condition pressure ionization pressure jump pressure leach pressure leaf filter pressureless compacting pressureless sintering of ceramic matrix composites pressureless sintering of ceramics pressure limit pressure limiting device pressure logging device pressure loss pressure lubrication pressure measurement pressure measuring instrument pressure mechanical processing safety pressure medium pressure meter test

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