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dioxin analysis
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dioxin analysis
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理学
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dioxin analysis
二英分析
对二英定性和定量的分析。二英是氯三环芳烃类化合物,是无色无味、毒性严重的脂溶性物质。二英包括210种化合物,此类物质非常稳定,熔点较高,极难溶于水,可以溶于大部分有机溶剂,是脂溶性物质,非常容易在生物体内积累,能够对人体产生严重危害。
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ethnic affairs management system in ancient China
ethnical geography
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Ethnic Art Academy of the Tibetan Autonomous Region
Ethnic Art Studies
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ethnic Chinese indigenous psychology
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ethnic corridor of mountain and canyon
ethnic corridor of mountain and river
Ethnic Costume Museum, Beijing Institute of Fashion Technology
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Ethnic Language Translation Committee of the Translators Association of China
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