GB/T 4960.1-1996核科学技术术语　核物理与核化学.pdf

ICS27.120 F 04 荡g 中 华 人 民 共 和 国 国 家 标 准 GB/T4960.1一1996 核科学技术术语 核物理与核化学 Glossaryofterms:nuclearscienceandtechnology Nuclearphysicsandnuclearchemistry 1996一03一31发布 1996一10一01实施 国 家 技 术 监 督 局 发布 GB/T 4960. 1一1996 目 次 1主题内容与适用范围············“········································································…… 1 2 基本术语······················································································”····”····…… 1 3核衰变及其基本规律······“··········································································…… 6 4射线与物质的相互作用········”····”·························································…… 9 5 核反应 ···········“···············“··································································…… 13 6 核裂变 ···································································································”…… 17 7 核化学 ······””·····””·”····“····”·”······“·”······································“···········…… 19 8 加速器 ”····”······“····”···“····“·······························································…… 21 附录A汉语拼音索引(补充件) 24 附录B英语索引(补充件. 29 标准分享网 免费下载 中华 人 民共和 国国家标 准 核科学技术术语 核物理与核化学 Gs/T 4960.1一 1996 Glossaryofterms:nuclearscienceandtechnology 代替 GB4960-85 Nuclearphysicsandnuclearchemistry 1 主题内容与适用范围 本标准规定了核物理与核化学领域基础术语及其定义。 本标准适用于核物理与核化学领域内编写标准和技术文件、翻译文献及国内、国际技术交流等。 2 墓本术语 2.1原子 atom 物质结构的一个层次，保持化学性质不变的最小单元。通常由一个原子核和围绕它的电子组成，其 电子数等于原子核中的质子数。 2.2 原子质量 atomicmass 一个中性原子处于基态的静止质量。 2.3原子质量单位 uatomicmassunit 一个1℃ 中性原子处于基态的静止质量的1/12, 注 1u=1.6605655X10-kg. 2.4 原子质量常数 moatomicmassconstant 一个1℃ 中性原子处于基态的静止质量的1/12这一量的名称