“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	market of natural resources market order market orientation market-oriented regulation market penetration pricing market per share method market pigs per sow per year marketplace for monopoly market trade market place of ideas market positioning market potential model Market power market prediction of agricultural products market-preserving federalism market price market price principle Market-Pull Model market regulation in water conservancy construction industry market regulation law market regulation subject market research Market Research for the Arts market research report Market research type market risk

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