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国家化学计量标准
释义
国家化学计量标准
Encyclopedia
工学
〔化学计量基本概念〕
释
national chemical measurement standard
国家化学计量标准
由国家计量行政部门考核、批准,具有确定的量值或量值范围和相关联的不确定度,用于实现化学成分量、物理化学特性量等的单位或量值,检定或校准其他化学计量标准或工作计量器具,对社会实施计量监督并具有公正作用的一类国家计量标准。
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The People's Republic of China Entry and Exit Animal and Plant Quarantine Law
The People's Republic of China news editing qualification certificate of training
The People's Republic of China Sports Law
the people's supervisor
the People’s Park in Weifang
the Peplos Kore
the perfect interfusion of the three truths
The Perfect Match
The Performance Group
The Performing Arts on Female Roles of Sichuan Opera
the Periodicals of the Book of Songs
the period of medical care
the period of turn-overs
the permanent polluted sediment yard
The Persian Augury
The Persians
the personal expedition ceremony and the hunting visit ceremony
The Phantom of the Opera
The Ph.D Forum on archives in China
The Phenomenology of the Social World
The Philadelphia Inquirer
The Philadelphia Negro: A Social Study
The Philadephia Story
The Philippine Star
the Phillips curve
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