“氡及子体活度计量技术”的概念、定义、翻译、参考文献-科学参考

单词	氡及子体活度计量技术
释义	氡及子体活度计量技术 Encyclopedia 工学氡及子体活度计量技术释 metrology technology for radon nuclides and their decay products氡及子体活度计量技术常温下为气态的222Rn、220Rn核素活度的绝对测量，以及222Rn、220Rn的衰变子体的单位体积活度的绝对测量。
随便看	drilling core gamma-ray documentation drilling coring drilling coring logging technology drilling efficiency index drilling engineering drilling engineering design drilling engineering economic evaluation drilling engineering economic evaluation indicators drilling engineering logging technology drilling equipment drilling expert system drilling fire drilling fluid drilling fluid agitator Drilling Fluid and Completion Fluid drilling fluid annular flow drilling fluid cake adhesion coefficient drilling fluid cake sluggish coefficient drilling fluid circulation system drilling fluid cleaner drilling fluid contamination drilling fluid conversion process drilling fluid degasser drilling fluid density drilling fluid desander

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