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彰显我国认证工作国际影响力 CCAA常务副会长兼秘书长黄继先担任新一届IPC副主席

发布日期:22:57作者:校团委编辑:刘玉斌

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随着我国对环境空气污染物监测要求的不断提高,多氯联苯PCBs)作为持久性有机污染物POPs)的重要成员,其准确测定对环境保护和公共健康至关重要。为满足HJ 902-2017《环境空气 多氯联苯的测定

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糕点中4种添加剂含量测定及前处理方法优化研究(一)

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糕点中4种添加剂含量测定及前处理方法优化研究(一)

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