“放射性标准”的概念、定义、翻译、参考文献-科学参考

单词	放射性标准
释义	放射性标准 Encyclopedia 理学原子核释 radioactive standard放射性标准经过精确测定、比对、公认的，可作为放射性活度计量标准的放射性物质或制品。放射性标准以单位时间内发生的核衰变数来计量，单位为贝可（Bq）。 Chemistry ＞放射化学与辐射化学＞基础放射化学＞释义 radioactive standard放射性标准
随便看	prehistoric astronomy prehistoric cities in the Chengdu Plain Prehistoric Cultures in Central and South Africa Prehistoric Cultures in Indonesia Prehistoric Cultures in the Philippines Prehistoric lakeshore wooden pile buildings in the Alps prehistoric man-environment relationship prehistoric media prehistory prehnite prehnite-pumphyllite facies prehomogeneous space prehomogeneous vector space prehospital emergency medical care prehypertensive preignite preignition preimage preimage of an element preimage of a set pre-implantation embryo preimplantation genetic diagnosis pre-implantation genetic diagnosis，PGD preimplantation genetic screening preimplantation genetic screening，PGS

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。