• 必须采取行动查处非洲西海岸联苯污染源

    Gioia says that action must now be taken to find and deal with the major West African sources of the pollutants.

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  • 在西非沿海调查研究者们空气中检测的高度氯联苯

    Researchers cruising off the western coast of Africa have confirmed the presence of mysteriously high levels of airborne toxic polychlorinated biphenyls (PCBs).

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  • 骄雅还有一种可能污染源废旧电容器其他氯联苯产品

    Gioia says that one likely source of the pollution is the dumping of old electrical waste such as capacitors and other PCB-containing products.

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  • 这些氯联苯污染源必须清除完善非洲国家污染物清单

    The precise sources of the PCB plume should be pinned down and used to complete the pollutant inventories of African countries, she says.

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  • 介绍3,3—二联苯合成工艺生产情况、市场需求发展前景

    This article describe synthetic technology, production, market demands to 3, 3 '-dichlorobenzidine and it's prospect of development.

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  • 联苯任何一种联苯反应生成非常稳定二环有机化合物

    PCB (polychlorinated biphenyl) : Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound.

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  • 目的探讨3 ,3’-二氯联苯DCBA小鼠致瘤作用

    Objective: To study the blastomogenic action of 3,3'-dichlorobenzidine (DCB) upon strain A mice.

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  • 在陆军基地所进行正常运作导致大量油料溢出,并产生大量的溶剂氯联苯

    Normal operations of Army bases generate huge amounts of fuel spills, solvents and polychlorinated biphenyls (PCBs).

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  • 虽然联苯没有很强的直接制毒性,但是它们长期存留环境中积存在人体组织里。

    Although PCBs have a low immediate toxicity, they are very persistent in the environment and accumulate in tissues over time.

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  • 经过筛选确定苯系多环芳烃、有机农药、多联苯挥发性卤代烃为主要污染物

    The main pollutants are benzene serial materials, polycyclic aromatic hydrocarbon, organochlorine insecticide, PCB and volatile halogenated hydrocarbon.

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  • 另一个可能氯联苯污染源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。

    Another probable source of the PCBs is one of the world's largest ships' graveyards.

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  • 联苯检测方法有机杀虫剂分析方法一样氯联苯监控针对杀虫剂的计划进行

    PCB's are detected by the same analytical method as the organochlorine pesticides, and monitoring for PCB's is conducted within the program for pesticides.

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  • 同时富含omega - 3冷水有可能会使甲基汞氯联苯含量提高,这两种物质都是神经毒素。

    And cold-water fish that are high in omega-3s are also likely to have elevated levels of methylmercury13 and PCBs14, both known neurotoxins.

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  • 介绍了水体污染物种类,详述辽河流域受到多芳烃类、有机农药、氯联苯其他有毒有害物的污染情况。

    The species of pollutants in the water body were introduced, and the occurrence of PAHs, OCPs, PCBs and other toxic substances in Liaohe Basin was reviewed.

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  • 环保人士警告说我们居住是个各种危险化学物质世界强效杀虫剂奥辛、聚联苯等有毒工业废物都有。

    We live, environmentalists warn, in a world laced with dangerous chemicals, from powerful pesticides to toxic industrial wastes like dioxin and PCBs.

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  • 2007年,德国一艘叫Polarstern的勘测船上,雅在非洲西海岸400公里的地方再一次测查到了联苯烟雾。

    In 2007, aboard the German research vessel Polarstern, Gioia again observed the PCB plume some 400 kilometers off the West African coast.

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  • 伴随着气温升高而释放出来化学物质包括DDT林丹这样的农药工业化学物质多联苯(PCBs)以及杀菌剂(HCB)。

    The chemicals seeping out as temperatures rise include the pesticides DDT, lindane and chlordane as well as the industrial chemicals PCBs and the fungicide hexachlorobenzene (HCB).

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  • 介绍四甲基联苯分光光度法测定水中余原理标准曲线的绘制、样品测试,该方法结果讨论

    The principle of spectrophotometry with tetramethyl-benzidine, the drafting of chlorine standard curves, sample tests, and the results and discussions of the method are introduced.

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  • 方法银屑病病人进行了真菌学研究外用1%联苯苄唑0 .1%氟舒松霜对照治疗

    Method A comparative study of psoriatic patients and normal controls in medical mycology and the curative effect of 1% bifonazole cream and 0.1% halcinonide cream was carried out.

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  • 两种抑制剂菊酯均产生增效作用,联苯菊酯没有增效作用。

    These inhibitors produced a synergism with cypermethrin but had no synergism with bifenthrin.

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  • 经特异性测定发现,与其代谢物有一定交叉反应外,对酯、氟氰菊酯、氰戊菊酯、溴氰菊酯联苯菊酯明显的交叉反应。

    Pyrethroids, such as cyhalothrin, fenvalerate, deltamethrin, permethrin, cypermethrin, bifenthrin did not cross-react significantly for fenpropathrin in this assay except it's metabolites.

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  • 3,3′,5,5′-四甲基联苯二酚和环氧丙烷为原料两步法合成了3,3′,5,5′-四甲基联苯二酚二缩水甘油

    3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.

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  • 3,3′,5,5′-四甲基联苯二酚和环氧丙烷为原料两步法合成了3,3′,5,5′-四甲基联苯二酚二缩水甘油

    3′, 5,5′-tetramethyl-diphenyl diglycidyl ether was synthesized from 3,3′, 5,5′-tetramethyl-diphenol and epichlorohydrin by two-step method.

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