铁和一些镍，它们俩都是金属。
在所有大宗商品中，镍和铜尤其承压。
Among all commodities, nickel and copper are under particular stress.
他们选取一个铅原子，将其加速，让它与镍的原子碰撞。
They take an atom of lead, accelerate it, and have it collide with an atom of nickel.
这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。
These rings are indicative of the crystal structure of nickel and can be explained only by invoking wavelike properties of light.
铱存在于陨石和火山物质中，但在火山物质中同时包含高浓度的镍和铬。
Iridium occurs in meteorites and volcanic material, but in the latter case it is accompanied by elevated levels of nickel and chromium.
有个电池公司的人告诉我：“你根本不需要非用50磅的镍去做电池。”
"You don't need to carry 50 pounds of nickel, " one battery company man told me.
科学家们一直在努力寻找一种解决方案，将其与镍等昂贵金属混合使用。
Scientists have strived to find a solution by mixing it with expensive metals such as nickel.
一个加拿大公司试图以向当地溜冰场提供现金和两架冰层表面修理器为条件，买下魁北克的一座镍矿床。
A company in Canada tried to buy access to a nickel deposit in Quebec by offering cash and two ice resurfacers for the local rink.
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。
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.
选用镍/铁和铜/铁双金属对四氯乙烯（PCE）进行脱氯试验 。
Ni/Fe and Cu/Fe bimetal were used to dechlorinate tetrachloroethene(PCE).
之后留下的是海绵状金属镍。
玉米和镍则分别下跌20%和16%。
伦敦交易所镍、锡价格上扬。
无论无何镍、铅和锌涨价都会慢下来。
市场的镍就说明了这一点。
令人惊叹的镍不锈钢台面。
铜似乎十分敏感，可以想见镍应该也很敏感。
Copper seems to be very sensitive, and you would expect that nickel could be sensitive as well.
什么含镍比手机还多？
老式手机一般都采用镍镉电池。
相同的现象估计也会发生在铝、铅和镍的身上。
The same seems to be happening with aluminium, lead and nickel.
镍可用于生产电池。
镍可用于生产电池。
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