“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	torsion fiber torsion field torsion form torsion-free torsion free affine connection torsion-free affine connection torsion-free A-module torsion free commutative group torsion-free commutative group torsion-free connection torsion-free group torsion free module torsion-free module torsion-free ring torsion-free semigroup torsion-free subgroup torsion function torsion group torsion ideal torsion indicator torsionless torsionless module torsion member torsionmeter torsion module

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