请输入您要查询的字词:
单词
radioactive reference materials
释义
radioactive reference materials
Encyclopedia
工学
放射性标准物质
释
radioactive reference materials
放射性标准物质
已确定放射性活度及相关量值,用于校准活度计量器具,进行包括放射性活度、剂量、射线能量等量值传递的放射性核素物质。是标准物质中的一类。
随便看
Selected Traditonal Plays of Huangmei Opera
selected work
selected works
Selected Works by Eight Authors in Modern China
Selected Works by Twenty-four Writers of the Qing Dynasty
Selected Works from the Late Qing Dynasty
Selected Works from the Separate Collection of Mount. Wanwei
Selected Works of Cai Chusheng
Selected Works of Chinese Folk Art in Past Dynasties
Selected Works of Deng Xiaoping
Selected Works of Great Harmony
Selected Works of Jiang Zemin
Selected Works of Laoshe on Quyi
Selected Works of Lenin
Selected Works of Lin Shu and Yan Fu
Selected Works of Parallel Prose
Selected Works of Wang Anshi, block-printed edition on document paper by the magistrate's mansion of Longshu Prefecture, Song Dynasty
Selected Works on Statecraft Through History
selectin
Selecting Offices According to Province
selecting points according syndromes
selecting points according to symptoms
selecting points along channel
selecting points in distant location
selecting points in nearby location
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。
Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号
更新时间:2026/1/10 13:09:38