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国家化学计量基准
释义
国家化学计量基准
Encyclopedia
工学
〔化学计量基本概念〕
释
national primary measurement standard in chemistry
国家化学计量基准
由一套特定的测量装置、参考测量程序等组成,用于在化学测量领域内定义、实现、保存、复现测量单位或一个、多个、一定范围的量值,并经国家鉴定、批准作为统一全国量值的最高依据。
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