So there's actually less restriction on mercury that power plants could emit.

所以际上对发电厂排放的汞的限制较少。

This had similar mercury levels to the phloem.

树皮的汞含量与韧皮部相近。

The metal is then got rid of when the bark is sloughed off.

然后当树皮脱落时，其中的汞也随之被除去。

Living at the top of the food chain, sharks can accumulate dangerous levels of methylmercury.

因为生活在食物链的顶端，所以可以积累达到危险水平的汞。

So much that pregnant women and children are advised not to eat shark at all.

因为体内的汞含量非常高，所以建议孕妇和儿。

Have you determined a course of treatment for the mercury poisoning, Dr. Karev?

你确定汞中毒的治疗方案了吗，Karev 医生？

And even there, thimerosal-free versions are available.

而且流感疫苗里也有含硫柳汞的。

But these birds likely had mercury levels high enough to warrant concern for human consumption.

但这些鸟体内的汞含量可能高到足以引起人类食用的担忧。

That makes it invisible to researchers who come along later.

这使随后而来的研究人员无法发现汞的存在。

The red paint adorning the mask is made of cinnabar, a compound of mercury and sulphur.

面具上的红色颜料是由朱砂制成的，朱砂是汞和硫的化合物。

" Mercury in combination with BMAA is a one-two punch."

“汞和BMAA的结合可谓是双重重击。”

In addition, poisonous gas from the mercury and nitric acid are released during unlicensed mine activities.

此外，未经许可的采矿活动还会释放汞和硝酸中的有毒气体。

Mercury pollution from power plants and mining operations can end up in our air and water.

发电厂和采矿作业产生的汞污染最终会进入我们的空气和水中。

Of course, it would be better to stop the warming and have less mercury in the environment.

当然，最好的方法是阻止气候变暖，减少环境中的汞含量。

The mercury is never depleted. Only the sodium is consumed, and the sea itself gives me that.

汞是会损失的，只有钠才消耗，但海水本身供给我所需的钠。

An alloy with mercury in it is called an amalgam, and they're useful for all sorts of things.

含有汞的合金称为汞合金，它们可用于各种用途。

The especially vivid reds made from cadmium, lead and mercury are toxic and so their use is now restricted.

由镉、铅和汞制成的特别鲜艳的红色是有毒的，所以现在它们的使用受到了限制。

What happens to mercury, moreover, might well happen to other toxic materials.

而且，在汞身上出现的情况很可能也会出现在其他有毒物质上。

This was done to ease public concern, even though no literature suggests it's harmful at doses present in vaccines.

这样做是为了缓解公众的担忧，尽管没有文献表明疫苗中的汞的剂量是有害的。

But they're making savvier choices, avoiding the fish with the most mercury—such as shark, swordfish, king mackerel and tilefish.

但是她们也做出了更明智的选择，避免食用汞含量很高的如、剑、鲭王和方头等的类。