PCBs (Polychlorinated Biphenyls).
多氯联苯(聚氯化联苯)。
Known examples are Dioxins and PCBs (polychlorinated biphenyls).
已知实例为二恶英和多氯联苯。
They also contain much higher levels of cancer causing dioxins 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。
Conclusion: PCBs in the hair of infants with skin hemangioma is much higher.
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。
Many Marine species are overfished, and some have high levels of mercury and PCBs.
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。
Another probable source of the PCBs is one of the world's largest ships' graveyards.
另一个可能的氯联苯污染源是世界上最大船只墓地，努瓦迪布（毛里塔尼亚西北部港市）南部。
UL has more than 50 years of experience in the field of PCBs conformity assessment.
UL在印刷电路板合格评定领域有着50多年的历史。
They include pesticides such as DDT and chemicals called PCBs used in electrical goods.
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。
Also, some ballasts manufactured after 1978 contain PCBs or the carcinogenic chemical DEHP.
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。
And these more toxic forms are likely to be found in fish... PCBs accumulate in body tissue.
它们在身体组织中积聚。
PCBs and HCB are both long-lived pollutants that accumulate in food chains and take decades to break down.
多氯联苯和六氯苯都是长期存在，并积累在食物链中的污染物，取缔这些物质需要长达数十年的时间。
Certain compounds, such as polychlorinated biphenyls, or PCBs, have been banned in the United States.
某些化合物，如多氯联苯或多氯联苯，已经被禁止在美国。
Steven Rodrig did this in 2009, creating electronic sculptures using old printed circuit boards (PCBs).
Steven Rodrig从2009年开始产生这一想法，用旧的印刷电路板制作电子雕塑。
High levels of PCBs and other pollutants have dramatically affected the polar bear's ability to reproduce.
高浓度的PCB和其他污染物严重影响了北极熊的繁殖能力。
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。
Altogether, he has identified 26 such variations. Two of them seem particularly resistant to the effects of PCBs.
总之，他发现了26种变异，其中的两种变异似乎具有特殊抵抗pcb的作用。
Well, perhaps I'll add some covers for the buffer PCBs later, but for now I'm absolutely satisfied with the result.
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。
Before their manufacture was banned in 1979, PCBs were used widely in electrical equipment, including transformers.
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。
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。
Normal operations of Army bases generate huge amounts of fuel spills, solvents and polychlorinated biphenyls (PCBs).
在陆军基地所进行的正常运作会导致大量的油料溢出，并产生大量的溶剂与聚氯联苯。
The drawback with this approach is handling the overhead of scanning all the protocol control blocks (PCBs) a higher rate.
这种方法所带来的缺点是，处理以更高的速率扫描所有协议控制块 (PCB) 的开销。
Today Brad is visiting Andy, who is a production manager for Stratos, an assembler of PCBs that are used in household items.
今天Brad要拜访Andy，他是一家生产家用产品的PCB装配公共Stratos的生产部经理。
Although PCBs have a low immediate toxicity, they are very persistent in the environment and accumulate in tissues over time.
虽然氯联苯没有很强的直接制毒性，但是它们能长期存留在环境中，并积存在人体组织里。
Stegeman has been chronicling resistance to toxic PCBs and polycyclic aromatic hydrocarbons in another coastal species, a killifish.
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。
In fact, studies have shown that more than 95 percent of Americans older than 12 still have detectable levels of PCBs in their blood.
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。
For these reasons, all fluorescent lighting ballasts which are not specifically labeled "no PCBs" must be suspected to contain PCBs.
基于这些原因，所有这些荧光灯镇流器没有明确标示“无多氯联苯”必须被怀疑含有多氯联苯。
Presented is a novel Fly Back Transformer formed with multilayer plane spiral coils and connecting PCBs and its assembly technology.
介绍一种由多层平面螺旋线圈和印刷线路连接板构成绕组的新颖回扫变压器。
Presented is a novel Fly Back Transformer formed with multilayer plane spiral coils and connecting PCBs and its assembly technology.
介绍一种由多层平面螺旋线圈和印刷线路连接板构成绕组的新颖回扫变压器。
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