The highly lethal toxicity of dioxin(PCDD/PCDFs)has generated concern regarding its effects on humans.
二英的致命毒性及其对人体可能产生的影响已经引起了广大研究者的关注。
In addition, the pretreatment methods of biology food samples, analysis of PCDD and PCDF were reviewed in detail.
另外，对生物食品，二恶咽的分析及样品前处理进行了详细评述。
The PCDD/Fs in surface sediments of Great Canal in Hangzhou city were analyzed by isotope Dilution HRGC/HRMS method.
采用同位素稀释-高分辨气质联用技术对京杭运河杭州市区段表层沉积物中二恶的分布进行研究。
The results showed that the extraction efficiency of various isomers of PCDD/Fs in the soils was related to the extraction times.
得出土壤中二英类物质各异构体的提取效率与提取次数有关。
Thus in the field conditions, photodegradation plays a major role on the fate of PCDD/F and PAH adsorbed on spruce needle surfaces.
实验结果表明，在野外环境条件下，光解对于吸附到云杉针叶表面的PCDD／F和PAH的归宿起着重要的作用。
Thus in the field conditions, photodegradation plays a major role on the fate of PCDD/F and PAH adsorbed on spruce needle surfaces.
实验结果表明，在野外环境条件下，光解对于吸附到云杉针叶表面的PCDD／F和PAH的归宿起着重要的作用。
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