采用加速溶剂萃取（ASE）—气相色谱法测定土壤中的12种类二恶英多氯联苯。
12 kinds of dioxin-like polychlorinated biphenyls(PCBs)in soil were determined by accelerated solvent extraction(ASE)and gas chromatography method.
PCDF和“类二恶英”PCB的半衰期很长，意味着每天的摄入对总摄入量的影响很小甚至可忽略不计。
The long half-lives of PCDDs, PCDFs and “dioxin-like” PCBs mean that each daily ingestion has a small or even a negligible effect on overall intake.
二恶英是一类剧毒物质，可导致生殖和发育问题，损害免疫系统，干扰激素，还可以导致癌症。
Dioxins are highly toxic and can cause reproductive and developmental problems, damage the immune system, interfere with hormones and also cause cancer.
二恶英是一类毒性极高的持久性有机污染物，能够给生态环境带来巨大的危害。
Dioxin is a kind of POPs with high toxicity, it will bring huge harm to ecology environment.
二恶英是一类毒性极高的持久性有机污染物，能够给生态环境带来巨大的危害。
Dioxin is a kind of POPs with high toxicity, it will bring huge harm to ecology environment.
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