“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	prevention and treatment of mine geology disaster prevention and treatment of periodontal disease prevention and treatment of sports injury prevention before the occurrence of a disease prevention for the military trainingrelatedinjury prevention of bird damage and animal invasion in civil airports prevention of burn injury prevention of congenital malformation prevention of crime prevention of cruelty to animals Law prevention of fishery invasive species prevention of malocclusion prevention of mental disease prevention of mental disorder prevention of mother-to-child transmission of HBV prevention of mother-to-child transmission of HIV/AIDS prevention of mother-to-child transmission of syphilis prevention of nuclear weapon proliferation prevention of organizational conflict prevention of secondary salinization in greenhouse prevention of the recrudescence of disease prevention of traumatic dental injury prevention system of geological disaster in China prevention system of rural meteorological disaster preventive and control of military zoonoses

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