“radioactive standard”的概念、定义、翻译、参考文献-科学参考

单词	radioactive standard
释义	radioactive standard 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	surface tension meter surface tension of glass surface tension of solid surface texture measurement technique surface texturing surface theory surface tillage surface topdressing surface top-hammer drill rig surface topography surface-to-volume ratio surface transformation surface treatment of fibers surface treatment of glass surface treatment of magnesium alloys surface triangle surface type heat exchanger surface ultraviolet radiation surface-underground contrast plan surface use classification surface vacancy surface vibration surface vibrational spectroscopy surface viscosity surface water

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。