已知实例为二恶英和多氯联苯。
Known examples are Dioxins and PCBs (polychlorinated biphenyls).
多氯联苯(聚氯化联苯)。
常见的是如何在环境多氯联苯?
这可以消除多达50%的多氯联苯。
什么时候,为什么停止生产多氯联苯?
环境压力来自多氯联苯(PCB)污染。
The stress in question is pollution by polychlorinated biphenyls (PCBs).
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。
Also, do not store water in plastic containers because the polychlorinated biphenyls (PCBs) can leach into the water.
目的研究多氯联苯对大鼠学习记忆能力的影响。
Objective To observe PCB affect the ability of learning and memory in rats.
介绍了多氯联苯的性质、危害及其降解方法。
In the paper, properties, dangers and degraded methods of polychlorinated biphenyls are introduced.
汞和多氯联苯最终如何存在于鱼类和粮食中的呢?
多氯联苯的浓度必须根据所有充油电气设备指定处置。
PCB concentrations must be determined in all oil-filled electrical equipment designated for disposal.
过度捕捞的很多海洋物种中,有许多含有高浓度的汞和多氯联苯。
Many Marine species are overfished, and some have high levels of mercury and PCBs.
此外,它们还含有二氧(杂)芑和多氯联苯,大大增加了致癌风险。
They also contain much higher levels of cancer causing dioxins and PCBs.
你还可以看到两个加速度传感器的顶端角落的多氯联苯。
Also you can see two acceleration sensors in the top corners of the PCB.
这假定的准备工作已经完成,和多氯联苯芯片只是等待。
This assumes the prep work has been done, and the PCBs are simply waiting for chips.
某些化合物,如多氯联苯或多氯联苯,已经被禁止在美国。
Certain compounds, such as polychlorinated biphenyls, or PCBs, have been banned in the United States.
结论:多氯联苯化合物在皮肤血管瘤患儿头发中的水平增高。
Conclusion: PCBs in the hair of infants with skin hemangioma is much higher.
多氯联苯在变压器中被用作热交换器,广泛用在塑料和纸张的制造中。
They were developed as heat exchangers in electrical transformers, and were widely used in plastics and paper manufacturing.
这其中包括了如ddt农药和电子产品中使用的一种称为“多氯联苯”的化学物质。
They include pesticides such as DDT and chemicals called PCBs used in electrical goods.
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。
Widely used in plastics and electrical insulation, PCBs -polychlorinated biphenyls - take decades to break down.
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。
Ink contains toxic substances called polychlorinated biphenyls, and its chemical structure similar with the pesticide.
事实上,研究表明超过95%的12岁以上的美国人血液中仍然检测出含有多氯联苯。
In fact, studies have shown that more than 95 percent of Americans older than 12 still have detectable levels of PCBs in their blood.
分析了江苏无锡鼋头渚和江西共青城夜鹭卵中多氯联苯同系物的残留状况。
The residue situation of PCB congeners in eggs of night heron breeding in Wuxi area of Jiangsu and Gongqing City of Jiangxi was analyzed.
PCBs(多氯联苯),一度广泛用于工业用途,但在1976年作为致癌物被取缔。
PCBs (Polychlorinated Biphenyls), once widely used for industrial purposes but outlawed as carcinogenic in 1976, can also be found in fish due to environmental contamination.
在他们于1979年禁止生产,多氯联苯广泛应用于电力设备,包括变压器。
Before their manufacture was banned in 1979, PCBs were used widely in electrical equipment, including transformers.
斯蒂门记录有另一种对有毒的多氯联苯和多环芳烃有抵抗作用海岸物种,那是一种鳉鱼。
Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
好吧,也许我会添加一些包括多氯联苯的缓冲区后,但现在我非常满意的结果。
Well, perhaps I'll add some covers for the buffer PCBs later, but for now I'm absolutely satisfied with the result.
此外,一些1978年以后生产的镇流器多氯联苯或含有致癌化学DEHP的。
Also, some ballasts manufactured after 1978 contain PCBs or the carcinogenic chemical DEHP.
许多机械室和校园内部变压器等含有多氯联苯的电容器和开关等电气设备的金库。
Numerous mechanical rooms and electrical vaults on campus house transformers and other PCB-containing equipment such as capacitors and switches.
许多机械室和校园内部变压器等含有多氯联苯的电容器和开关等电气设备的金库。
Numerous mechanical rooms and electrical vaults on campus house transformers and other PCB-containing equipment such as capacitors and switches.
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