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

所以实际上对发电厂排放限制较少。

But the problem is that the amount of mercury in the environment's increasing.

但问题是，环境中含量在增加。

This had similar mercury levels to the phloem.

树皮含量与韧皮部相近。

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.

因为生活在食物链顶端，所以鲨鱼可以积累达到危险水平。

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

因为鲨鱼含量非常高，所以建议孕妇和儿童不要吃鲨鱼。

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

你确定中毒治疗方案了吗，Karev 医生？

And even there, thimerosal-free versions are available.

而且流感疫苗里也有不含硫柳。

That makes it invisible to researchers who come along later.

这使随后而来研究人员无法发现存在。

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

面具上红色颜料是由朱砂制成，朱砂是和硫化物。

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

“和BMAA结可谓是双重重击。”

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

此外，未经许可采矿活动还会释放和硝酸中有毒气。

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污染最终会进入我们空气和水中。

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

当然，最好方法是阻止气候变暖，减少环境中含量。

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

是不会损失，只有钠才要消耗，但海水本身供给我所需要钠。

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

含有金称为金，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、铅和制成特别鲜艳红色是有毒，所以现在它们使用受到了限制。

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

而且，在身上出现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担忧，尽管没有文献表明疫苗中剂量是有害。

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选择，避免食用含量很高如鲨鱼、剑鱼、鲭鱼王和方头鱼等鱼类。