“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	2-1=0或者黑暗中看不见 211工程 212剧院 2.16m optical telescope 2.16米光学望远镜 2:17-type rare earth cobalt-based permanent magnetic material 2:17型稀土钴永磁合金 21-Articles-Negotiation between China and Japan 21 Centimeter Array 21 centimeter radiation 21-centimeter radiation 21CMA 21 cm forest 21 cm intensity mapping 21cm line 21-cm radiation 21 cm tomography 21 hydroxyprogesterone 21-hydroxyprogesterone 2:1 phyllosilicate minerals 21st Century Business Herald 21st Century COE Program 21st Century Museum of Contemporary Art, Kanazawa 21st century skills 21st IUBMB and the 12th FAOBMB International Congress of Biochemistry and Molecular Biology

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