Mercury levels are high in marine fish, too—particularly in larger species, such as shark, tuna, and swordfish.
海洋鱼类中的汞含量也很高——尤其在体型较大的鱼类体内，如鲨鱼、金枪鱼和旗鱼。
This had similar mercury levels to the phloem.
树皮的汞含量与韧皮部相近。
In the US, mercury levels in the environment have been increasing at a rate of 1.5% each year since 1970.
在美国，环境中的汞含量不断增加，自1970年以来每年的增长率为1.5%。
They should avoid big predatory fish such as shark swordfish tilefish or king mackerel which have higher mercury levels.
应避免食用大型食肉鱼如鲨鱼、鱼、头鱼及国王鲭，这些鱼含汞量很高。
However, the company said in a statement that the latest tests on its staff had found nobody with elevated mercury levels.
然而欧司朗公司在一份声明中说对其员工的最新测试没有发现有人的汞含量超标。
For decades, researchers have worried about rising mercury levels in Arctic animals, such as seals, beluga whales, and Arctic char.
几十年来，研究者们一直担心北极动物，如海豹，白鲸，汞水平，北极红点鲑等动物的含汞量增加。
Researchers testing birds in the Northeast have found creeping mercury levels in the blood of more than 175 once clean species.
在东北用鸟类做试验的研究者在175种曾经列为安全鸟类的血液中发现水银。
Mercury levels at more than two-thirds of the sites exceeded what scientists believe fish-eating mammals, such as mink and otters, should ingest.
三分之二选本中汞含量超过了科学家们认为水貂、水獭等以鱼为食的哺乳动物可摄入的含量。
Hightower screened 720 people from March 2000 to March 2001, then tested the mercury levels of those who reported eating more than two servings of fish a week.
从2000年3月至2001年3月，海托华筛选了720人，然后检验那些每周吃鱼超过三两的人的汞含量。
Of that group, 63 people had blood mercury levels more than twice the recommended level and 19 showed blood mercury levels four times the level considered safe.
在这一组人中，63人血液中汞含量是建议值的两倍以上，而且有19人血液中汞含量是认可安全值的4倍。
It was to test the effects of mercury on the heart that the two new studies compared the mercury levels in clippings from toenails, where heavy metals tend to be deposited.
脚趾甲是重金属最易于沉积的地方。这两个新课题通过对比脚趾甲中汞的含量的多少，目的在于检测汞对心脏的影响。
FDA stopped monitoring mercury levels in domestically-caught fish in 1998. Yet in one sampling, three of the four fish tested in 1997 had levels exceeding FDA's human health standard for mercury.
美国食物药品管理局在1998年已停止监管在本地捕捉鱼类的水银含量。但是在1997年一个抽样调查中，每四尾鱼中有三尾超过食物药品管理局的水银含量健康标准。
Do not eat shark, swordfish, king mackerel, or tilefish (also called white snapper), because they contain high levels of mercury.
不要吃鲨鱼、旗鱼、青花鱼或方头鱼（也称白鲑鱼），因为它们含有大量的水银。
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。
Fish are considered one of the best sources of DHA, but unfortunately, the EPA warns that pregnant women must watch their fish consumption because many fish contain harmful levels of mercury.
鱼类被认为是DHA的一个最好来源，但不幸的是，美国环保局警告说，怀孕妇女必须提防她们对鱼的消费量，因为许多鱼类含有危害程度的汞。
Higher mercury vapor levels may exist and could require additional protective equipment and professional expertise.
可能会出现高浓度的水银蒸汽，从而需要进一步的防护设备以及专业知识。
Researchers have found high levels of mercury in fish caught in Madre DE Dios.
研究人员在马代拉河捕获的鱼中发现高水平的含汞量。
It takes very little mercury in air to create unhealthy levels of vapor.
只要极微量的水银散发到空气中就会产生不健康的水银蒸汽。
Tests for cadmium, lead, mercury and manganese have shown levels within the normal range.
镉、铅、汞和锰的检测都表明处于正常值范围。
Objective to explore the mechanism of embryonic developmental toxicity of methyl mercury at cellular and gene levels.
目的从细胞和基因水平揭示甲基汞的发育毒性作用机理。
Large, predatory fish - such as tilefish, swordfish and king mackerel - tend to have higher levels of methyl mercury than do smaller fish because they're higher in the aquatic food chain.
大型食肉鱼类-如方头鱼，旗鱼和鲭鱼的甲基汞水平往往高于比他们更小的鱼，因为其水生食物链中更高。
Conclusion: The lead, cadmium, mercury pollution levels in Ezhou food were generally lower, but aluminum pollution level was higher, so measures should be taken to assure food security.
结论：鄂州市食品中铅、镉、汞的污染水平总体较低，铝的污染比较严重的，应采取针对性措施，以提高食品安全性。
Because they can negatively affect your health, the U. s. Environmental Protection Agency advises that kids younger than 15 years old avoid fish that contain high levels of mercury and PCBs.
它们会对你的健康产生非常不利的影响，美国环境保护署建议，年龄小于15岁的孩子避免吃含有高浓度的汞和多氯联苯的鱼类。
Environmental advocates say the ash contains concentrated levels of mercury and arsenic.
环保人事透露灰浆中包含浓缩的汞和砷。
Environmental advocates say the ash contains concentrated levels of mercury and arsenic.
环保人事透露灰浆中包含浓缩的汞和砷。
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