Widespread epidemics in birds increase opportunities for human exposure.
禽类中的广泛流行增加了人类暴露的机会。
In one study, tap water accounted for up to 20 percent of human exposure to lead.
一项研究表明，自来水占人体所接触到的铅的20%。
These studies provide an assessment of human exposure to dioxins from all sources.
通过这些研究，对人类对各种来源的二恶英的接触进行了评估。
The presence of Ebola-Reston virus on pig farms increases the odds of human exposure and infection.
伊波拉—赖斯顿病毒在猪农场的出现增加了人类接触和感染这种病毒的几率。
The sun is like a stimulant, human exposure will telangiectasia, accelerate blood circulation.
而阳光犹如一种兴奋剂，照射人体会使毛细血管扩张，加快血液循环。
More than 90% of human exposure is through food, mainly meat and dairy products, fish and shellfish.
人类接触二恶英，90%以上是通过食物，主要是肉类、乳制品、鱼类和贝壳类食品。
The expanding geographical presence of the virus is of concern as it creates further opportunities for human exposure.
该病毒不断扩大的地域存在因其为人类暴露提供进一步机会而令人担忧。
More than 90% of human exposure to dioxins is through the food supply, mainly meat and dairy products, fish and shellfish.
人类接触二恶英，90%以上是通过食品，其中主要是肉制品和乳制品、鱼类和贝类。
It is vital to limit the risk of human exposure to the H5N1 virus and the consequent risk of an emergence of a new pandemic virus.
限制人类接触H5N1病毒的风险以及最后出现新的大流行性病毒的危险性是至关重要的。
In 1958 scientists in st Louis began a campaign to collect baby teeth to study the link between above-ground testing and human exposure.
1958年，圣易路斯的科学家们就开始收集婴儿的牙齿以研究地面试验与人类接触之间的联系。
The firm says the low power-density of its lasers and a series of safeguards ensures that human exposure remains within regulatory limits.
公司称他们的低能量密度激光和一系列防护措施能保证暴露在其中的人体处于安全范围之内。
Safe levels of human exposure vary widely, but on top of things like brain damage and birth defects, some have also been linked to cancer.
人们暴露在农药下的安全浓度因人而异，但是由此产生的严重后果除了脑损伤和生育缺陷外，据信还会引发癌症。
IEEE standard for safety levels with respect to human exposure to radio frequency electromagnetic fields, 3 kHz to 300 GHz, IEEE Std C95.1, 2005.
《电机和电子工程师学会人体接触射频电磁场安全水平标准：3千赫至300千兆赫》，IEEEStd C95.1, 2005年。
But we don't yet know, and may not know for weeks to come, the true magnitude of the technical problems or the degree of human exposure to radiation.
但我们现在还无法得知科技灾难的真正后果，抑或是人类受辐射危害的程度，也许几周后仍无法得知。
Beyond that problem, it is necessary to extrapolate cancer data from animals to humans, and to deal with uncertainty about the levels of human exposure.
除此之外，也有必要从动物的癌变数据外推至人类癌变水平，并解决人类接触水平上的不确定性。海底交混响就是按时间外推到一种时间零值的。
Secondly, human exposure to sunlight at high latitudes and when spending most of the day indoors is greatly reduced compared with our evolutionary exposure.
其次，居住在高纬度地区还有整天几乎都在室内的人，和以往我们进化中相比，日晒时间大大减少。
As influenza virus activity in Indonesia may increase during the wet season, from November to April, human exposure to animal virus could be greater during the coming months.
随着印度尼西亚11月至4月湿季期间流感病毒活动可能增加，在今后几个月内人可更多接触动物病毒。
Prevention or reduction of human exposure is best done via source-directed measures, i.e. strict control of industrial processes to reduce formation of dioxins as much as possible.
预防或减少人类接触二恶英的最佳途径是通过控制源头，也就是说，严格控制工业过程，以尽可能减少二恶英的形成。
Production and use of asbestos products in their process will result in a substantial waste, waste through its fibre patterns in the air on human exposure have serious hazards.
石棉制品在生产和使用过程中都会产生大量的废物，废物通过纤维形态暴露在空气中会对人体产生严重危害。
Investigations of human cases in Asia and elsewhere have identified close contact with diseased or dead household poultry as the most important source of human exposure to the virus.
在亚洲和其它地方对人间病例的调查已确认与家庭禽群或死禽直接接触为人与该病毒最重要的接触源。
The study – due to be published next month – says rising temperatures and more extreme weather are increasing human exposure to pollutants around the world, including in Britain.
这份即将于下月发表的报告指出，气温的升高和恶劣天气的频发，这都提高了人类暴露于污染物质之下的程度。
Most human cases have occurred in rural or peri-urban areas where households keep small backyard flocks, allowing close and continuing human exposure to virus from infected birds.
多数人间病例发生在农村或城市周边地区，那里的居民喂养小型场院禽群，使人类能够密切和持续地接触来自受感染禽鸟的病毒。
The researchers warn that the amount of the poisons in the polar region is unknown and their release could "undermine global efforts to reduce environmental and human exposure to them".
研究人员警告称，冻结在极地区域的毒素数量不明，而这些有毒物质的释放会对地球环境以及人类自身安全造成极大威胁。
Results of extensive investigation in studies that mimic human exposure do not show any evidence of neurological effects, such as memory and learning problems, of aspartame consumption.
对模拟人群阿斯巴甜暴露研究的广泛调查结果表明，没有证据显示阿斯巴甜消费出现诸如记忆和学习问题的神经学效应。
The gut inhabitants transform chemicals we consume into beneficial, harmless, and harmful compounds, thereby influencing the level of human exposure to pharmaceutically active compounds.
肠道菌把我们摄入的化学物质转变成有益的、无害的或者是有害的化合物，因而可以影响人体接触的具有药物活性的化合物的浓度水平。
The hydrocarbon emitter (28) discharges an aromatic hydrocarbon into the air stream to preferentially react with residual ozone so that the air stream becomes suitable for human exposure.
烃放射装置（28）将芳香烃排出到气流中，用于优先与残留的臭氧发生反应，以便于气流适于接触人类。
Under certain conditions, the trace elements levels in human hair can be used to evaluate the human exposure in surrounding environment as well as the environmental impact on human health.
在一定条件下可以用来估价这些元素的环境暴露量及其对人体健康的影响。
Under certain conditions, the trace elements levels in human hair can be used to evaluate the human exposure in surrounding environment as well as the environmental impact on human health.
在一定条件下可以用来估价这些元素的环境暴露量及其对人体健康的影响。
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