polychlorinated

Widely used in plastics and electrical insulation, PCBs -polychlorinated biphenyls - take decades to break down.
大量使用在塑胶，及电气绝缘体上的多氯联苯，需要几十年才会被分解。
Polychlorinated organic contaminants in waters, suspended solids and sediments of the Nanjing section, Yangtze River.
长江南京段水、悬浮物及沉积物中多氯有毒有机污染物。
Mercury, polychlorinated biphenyls (PCBs) and chlordane are among the major contaminants found in Illinois fish.
水银，多氯联苯和氯丹是在伊利诺依州的鱼类中发现的主要污染物。
Ink contains toxic substances called polychlorinated biphenyls, and its chemical structure similar with the pesticide.
油墨中含有一种叫做多氯联苯的有毒物质，它的化学结构跟农药差不多。
Polychlorinated pesticides and herbicides are of important organic pollutants in soils owing to their poor biodegradability.
有机氯杀虫剂、除草剂等难降解有机物是重要的土壤污染物。
Aflatoxins cause liver cancer and dioxins and dioxin-like polychlorinated biphenyls (PCBs) are both highly toxic as well as carcinogenic.
黄曲霉毒素可造成肝癌，并且二恶英和二恶英类多氯联苯系剧毒和致癌物。
Finally, section 6 contains a special provision for the phasing out of polychlorinated biphenyls (PCBs).
最后，第6条中含有关于逐步停止聚氯气处理的“复苯基特别条款”。
Management of the polychlorinated biphenyl inventory in the double-shell tank (DST) system.
双壳罐系统多氯联苯总量的管理…[中国核科技信息与经济研究院]。
Also, do not store water in plastic containers because the polychlorinated biphenyls (PCBs) can leach into the water.
也不要把水储存在塑料容器里因为多氯联苯会渗入到水中。
PCBs (aka polychlorinated biphenyls) were once used in industrial coolants. Whereas PCBs are good coolants, they are toxic.
PCBs（多氯联苯）曾被用作工业冷却剂，尽管性能优异，却具有毒性。