Water quality. methods of biological sampling. guidance on handnet sampling of aquatic benthic macro - invertebrates.
水质。生物取样法。水生海底大型无脊椎动物的手网取样指南。
Methods CSF samples were collected by a serial sampling method. The concentration of MEP in the biological samples was measured by HPLC with fluorescence detector.
方法采用连续采集法收集脑脊液样品，用HPLC荧光检测器测定各生物样品中MEP的浓度。
Different sampling methods in quality control of raw materials of biological products were compared in order to choose the reasonable sampling method.
当选取正确合理的抽样方法后 ，使抽样检验的工作量大大减少。
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