“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	percrystallization percussion percussion and rotary drilling percussion and wind music Percussion and Wind Music Government percussion drilling percussion ensemble music of Jiangzhou,Shangxi province percussion ensemble music of Weifeng, Shangxi Province percussion hammer (without elecyric power) percussion instrument percussion lock gun percussion method percussion music of opera, fight scenes of opera or corporal punishment in opera education percussive rotary drilling rig Percus-Yevick integral equation percutaneous angioplasty percutaneous angioplasty and stenting percutaneous balloon aortic valvuloplasty percutaneous balloon mitral valvuloplasty percutaneous balloon pulmonary valvuloplasty percutaneous balloon valvuloplasty percutaneous endoscopic gastrostomy percutaneous heart valve replacement percutaneous left atrial appendage occlusion percutaneous neohrolithotomy

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