polychlorinated biphenyls were widely used as dielectric fluids in electrical transformers.
多氯联苯曾被广泛用作电气变压器中的绝缘液。
the environmental persistence of polychlorinated biphenyls remains a major global concern.
多氯联苯的环境持久性仍然是全球关注的主要问题。
strict regulations now prohibit the manufacturing and use of polychlorinated biphenyls.
严格的法规现在禁止多氯联苯的制造和使用。
scientists detected high concentrations of polychlorinated biphenyls in river sediments.
科学家在河流沉积物中检测到了高浓度的多氯联苯。
proper disposal of polychlorinated biphenyls requires specialized high-temperature incineration facilities.
妥善处置多氯联苯需要专门的高温焚烧设施。
exposure to polychlorinated biphenyls is linked to various adverse human health effects.
接触多氯联苯与多种对人体健康的不利影响有关。
these marine mammals bioaccumulate polychlorinated biphenyls through the food chain.
这些海洋哺乳动物通过食物链生物富集多氯联苯。
older buildings may still contain sealants contaminated with polychlorinated biphenyls.
旧建筑物可能仍含有受多氯联苯污染的密封剂。
polychlorinated biphenyls are classified as persistent organic pollutants by international treaties.
多氯联苯被国际条约归类为持久性有机污染物。
analysis of polychlorinated biphenyls in soil samples revealed significant contamination levels.
对土壤样品��多氯联苯的分析显示了显著的污染水平。
the chemical stability of polychlorinated biphenyls contributes to their toxicity in wildlife.
多氯联苯的化学稳定性导致了它们对野生生物的毒性。
cleaning up sites contaminated with polychlorinated biphenyls is a complex and expensive process.
清理受多氯联苯污染的场所是一个复杂且昂贵的过程。
polychlorinated biphenyls were widely used as dielectric fluids in electrical transformers.
多氯联苯曾被广泛用作电气变压器中的绝缘液。
the environmental persistence of polychlorinated biphenyls remains a major global concern.
多氯联苯的环境持久性仍然是全球关注的主要问题。
strict regulations now prohibit the manufacturing and use of polychlorinated biphenyls.
严格的法规现在禁止多氯联苯的制造和使用。
scientists detected high concentrations of polychlorinated biphenyls in river sediments.
科学家在河流沉积物中检测到了高浓度的多氯联苯。
proper disposal of polychlorinated biphenyls requires specialized high-temperature incineration facilities.
妥善处置多氯联苯需要专门的高温焚烧设施。
exposure to polychlorinated biphenyls is linked to various adverse human health effects.
接触多氯联苯与多种对人体健康的不利影响有关。
these marine mammals bioaccumulate polychlorinated biphenyls through the food chain.
这些海洋哺乳动物通过食物链生物富集多氯联苯。
older buildings may still contain sealants contaminated with polychlorinated biphenyls.
旧建筑物可能仍含有受多氯联苯污染的密封剂。
polychlorinated biphenyls are classified as persistent organic pollutants by international treaties.
多氯联苯被国际条约归类为持久性有机污染物。
analysis of polychlorinated biphenyls in soil samples revealed significant contamination levels.
对土壤样品��多氯联苯的分析显示了显著的污染水平。
the chemical stability of polychlorinated biphenyls contributes to their toxicity in wildlife.
多氯联苯的化学稳定性导致了它们对野生生物的毒性。
cleaning up sites contaminated with polychlorinated biphenyls is a complex and expensive process.
清理受多氯联苯污染的场所是一个复杂且昂贵的过程。
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