请输入您要查询的字词:
单词
氩-氩年代测定
释义
氩-氩年代测定
Encyclopedia
理学
核分析技术
释
argon-argon dating
氩-氩年代测定
利用中子活化法使样品中的39K经过39K(n,p)39Ar反应转化为39Ar,然后用质谱计测定其40Ar/39Ar的比值,代替通常在钾-氩法中的40Ar/40K比值,计算岩石或矿物的地质年龄。
随便看
technical condition of exploitation
technical condition of mining
technical condition of ore process
technical data of aircraft equipment
technical development vehicle
Technical Director
technical-economical quota of vehicle operation
technical economic evaluation method
technical economic evaluation of ship
technical economic indexes of irrigation district management
technical education
technical effectiveness
technical efficiency of health services
technical elites
technical environment
technical error
technical factor of sprinkler irrigation
technical feasibility
technical files for road transport vehicle
technical formation of society
technical grade for rural highway
Technical Grading System for Sports Referee
Technical Grading System of Social Sports Instructors
technical guidelines for environmental impact assessment of electromagnetic radiation
technical guidelines of environmental protection for check and acceptance of completed construction project
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:2026/8/9 7:17:59