“half-value layer”的概念、定义、翻译、参考文献-科学参考

单词	half-value layer
释义	half-value layer Encyclopedia 工学半值层释 half-value layer半值层将某种特定屏蔽材料置于给定射线的路径上，可以将辐射场的强度减少到原来的一半的屏蔽层厚度。又称半减弱厚度。 Chemistry ＞放射化学与辐射化学＞辐射化学＞释义 half thickness; half-value layer (HVL)半厚度＞放射化学与辐射化学＞辐射化学＞释义 half-value layer (HVL)半值层
随便看	crime relating to foreign aggression crime-reporting crime risk crime risk assessment crimes against control of cultural relics crimes against control of national border or frontier crimes against humanity crimes against national security crimes against property crimes against public safety crimes against the honor of heroes and martyrs crime scene crime scene experiment crime scene investigation crime scene investigation information system crime scene investigation of arson case crime scene investigation of murder crime scene investigation of theft case crime scene investigation organization and command crime scene mapping crime scene note-taking crime scene photography crime scene protection crime scene reconstruction crime scene reconstruction techniques

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