By chemically extracting nickel form the ash, they produced 100 pounds of nickel per acre of land at a total cost per pound slightly above that of current mining.
通过化学方法从灰烬中提取镍，他们每英亩土地生产了100磅镍，每磅的总成本略高于目前的采矿成本。
He removed the cigar, knocking off the ash.
他取出雪茄，敲掉烟灰。
If the ash cloud were to drift in another direction, flights could be sent around or above it.
届时如果火山灰云飘向另一个方向，飞机可能会被指示绕开或在其上方飞行。
It's really the ash that causes the problem.
确确实实引起问题的是这些烟尘。
I don't want to see you in the ash heap.
我可不想看你灰飞烟灭。
The ash halted flights in East Africa for a time.
大量的火山灰致使非洲东部的航班受到了一定时间的影响。
His old dog rolls in the ash and cloaks itself in soot.
他那头年老的狗就在灰烬里翻滚，使自己隐没在烟灰中。
The ash cloud means that returning to London looks hopeless.
密布的火山灰意味着返回伦敦无望了。
Two factors are contributing to the fineness of the ash.
两个因素造成灰的精致。
Things will get back to normal when the ash drifts away. Or falls.
一切会回归正常，只要灰一飘走，或者落下来。
In most areas, the ash contains less uranium than some common rocks.
在大部分地区，浮尘含有的含有的铀比普通岩石中的含量还低。
Adding the ash makes concrete stronger and more resistant to corrosion.
加入稻壳灰能够提高混凝土强度及抗腐蚀性。
The very existence of the ash cloud thrown into the sky was bad enough.
抛上天空的灰云的大量存在已经够糟糕了。
How long is the ash from this eruption going to keep planes on the ground?
火山爆发的火山灰引起的飞机停飞会有多久呢？
Perhaps the ash fall from an eruption pulled her from her web and smothered her.
大概是在一次火山喷发中，火山灰把它从网上打落下来，并使其窒息。
We have informed the airport to be on alert as the ash is quite high this time.
克里斯蒂安托说：“我们已经通知机场时刻警惕，因为火山灰现在已经上升到高空。
However, most of the ash is falling on the ground and in the ocean near Iceland.
不过，大多数火山灰都落到了冰岛地面和附近的海域里。
The ash is highly hazardous to people, as the fine particles are easily inhaled.
由于微粒极易吸入，煤灰对人体危害很大。
The ash cloud from Iceland's Eyjafjallajokull volcano has caused weeks of flight chaos
冰岛埃亚菲亚德拉冰盖火山喷发出的火山灰已经造成了数星期的飞行混乱
The acids dissolve the uranium, and various other things, leaching them from the ash.
这些酸会把铀以及其他物质溶解，使它们从煤灰中过滤出来。
No, because the ash-the ash is pulverized rock-it can scratch up the windshield, too.
不行。因为火山灰是岩石微粒，也可以刮伤挡风玻璃。
The US Calipso's lidar was very effective at measuring the thickness of the ash plume.
美国卡利普索激光雷达在测试灰羽厚度方面表现的非常有效。
As they report in Environmental Research Letters, the lightning the ash generates tells all.
正如他们在《环境研究快报》中报道的，火山灰产生的闪电讲诉了一切。
If the ash cloud were to drift in another direction flights could be sent around or above it.
届时如果火山灰云飘向另一个方向，航班将可以在其周围或上方飞行。
Within the shadow of the ash cone lies a white, funnel-shaped inner crater that is 200 meters deep.
在三角形的暗影里是深达200米的白色漏斗形内心火山口。
Air travelers haven't been so lucky: the ash has grounded hundreds of flights around the region.
航空旅客则没有这么幸运了：大量尘埃使得这一区域的几百个航班延误。
We can see the ash plume from the event sweeping east just north of the United Kingdom en route to Norway.
从上图可以看到，这些火山灰在天空中从英国的北部一直向东覆盖到了挪威。
We can see the ash plume from the event sweeping east just north of the United Kingdom en route to Norway.
从上图可以看到，这些火山灰在天空中从英国的北部一直向东覆盖到了挪威。
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