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标准参考物质
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标准参考物质
Encyclopedia
理学
【试剂和试样】
释
standard reference material
标准参考物质
经过权威机构认证的某些具有确定含量的组分,在实际样品定量测定中用作计算被测组分含量的直接或间接参照标准的一类物质。计量工作者通常将其称为参考物质;而标准化工作者则更习惯将其称为标准样品(简称标样)。是特性量值准确、均匀性和稳定性良好的计量标准,具有在时间上保持特性量值、在空间上传递量值的功能。通过使用标准物质,可以使实际测量结果获得量值溯源性。
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emergency repairs for buildings
emergency repairs for lifeline engineering
emergency requisition
emergency rescue
emergency rescue base
emergency rescue command platform
emergency rescue equipment
emergency rescue for 11·3 building collapse accident in Hengyang city, Hunan province
emergency rescue for 5·12 earthquake accident in Wenchuan county, Sichuan province
emergency rescue for 7·23 high-speed railway crash accident in Wenzhou city, Zhejiang province
emergency rescue of dangerous chemical accidents
emergency rescue preparedness
emergency rescues technology
emergency rescue system
Emergency Rescue Team
emergency rescue techniques
emergency rescuing based on GNSS
emergency resource management standards
emergency resources
emergency response
emergency response action planning
emergency response and management system
emergency response for drought mitigation
Emergency Response Law of the People's Republic of China
emergency response of police department
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。
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