“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	land temple land tender,auction,listing land tenure land tenure disputes land tenure management land title land to the tiller land transaction land transfer land transport land treatment of wastewater from livestock and poultry farms land treatment system land trust land type land type map land unit landup performance of carrier-based aircraft land usage permit system land use land use and cover change Land Use and Land Cover Change Project land use arrangement planning of central city area land use classification land use control land use control system

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。