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internal calibration method
释义
internal calibration method
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理学
内标法
释
internal calibration method
内标法
不用标准物质作对照,只用一定量的纯物质作为内标物,加入待测样品中同条件测定,由相对校正因子计算待测组分的量的定量分析方法。又称内标校正方法。仪器分析中的一种比较准确的定量分析方法。该法的内标物要严格选择。内标物应是一个已知的能与待测组分良好分离的纯化合物,最好与待测组分有相同或类似的理化性质、仪器响应特征,例如同系物等。
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association mapping
association matrix
association model
Association of African Central Banks
Association of African Trade Promotion Organizations
Association of African Universities
Association of American Literary Agents
Association of American Publishers
Association of American Railroads
Association of American Universities
Association of American University Professors
Association of Art Museum Directors
Association of Arts Administration Educators
Association of Bookseller and Publisher Training Organization in Europe
Association of Booksellers for Children
Association of Canadian Archivists
Association of Canadian Publishers
Association of Caribbean States
Association of China E-sports
Association Of China Rare Earth Industry
Association of Chinese Left-Wing Writers
Association of Chinese Museums
Association of Chinese Rural Construction Research
Association of College & Research Libraries
Association of Cultural Enterprises
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