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基准标准物质
释义
基准标准物质
Encyclopedia
工学
〔化学计量基本概念〕
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primary reference material
基准标准物质
在化学测量领域中用作原级(基准)测量标准的物质。是化学测量溯源体系的顶层物质基础,也是有证标准物质的最高等级。
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Nan Yan Zhou
Nanyin
Nan Yin classical music in Guangdong province
Nan Yin Classical Music Society in Taiwan
nanyin xiao
Nan You Jiayu
Nan Yuan
Nanyue Film Company
Nanyue Kingdom
Nanyue King’s Tomb
Nanyue King’s Tomb Multiple-level Jade Belt Hook
Nanyue Qu
Nanyue Temple
Nanyuwei Dao
Nanzhai
Nanzhang Xian
Nanzhao (kingdom)
Nanzhao Kingdom
Nanzhao Music and Dance Presented to Tang Emperor
Nanzhao Xian
Nanzheng
Nanzheng Qu
Nan Zhenzhong
Nan Zhibiao
Nanzhong
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