1·Dioxins, furans and metals are persistent and bio-accumulate in the environment.
二恶英、呋喃和金属具有持久性并可在环境中生物累积。
2·One pot synthesis of furans have come true really.
真正实现了一锅法合成四取代的呋喃环化合物。
3·The group of 12 listed highly dangerous substances includes mentioned earlier dioxins, furans and biphenyls (60).
该组中列出的12个高度危险的物质,包括前面提到二恶英,呋喃和多氯联苯(60)。