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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。
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bonded and port logistics
bonded area in China
bonded-barrier
bonded filament
bonded NdFeB magnet
bonded permanent magnet
bonded phase chromatography
bonded port area
bonded port area in China
bonded stationary phase
bond energy
bond enthalpy
bonder
bonderizing
bond fluctuation
bond fund
Bond Gap
bond hybridization
Bondi
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bonding
bonding electron
bonding orbital
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