Our modern world is one in which we find our lives shaped increasingly by appurtenances of plastic and metal, concrete and glass, and-apparently too-rare earths.
我们生活的现代世界是这样一个世界,我们的生活越来越多地由塑料和金属附属物,混凝土和玻璃,尤其是稀土所塑造。
Companies that buy these rare earths, including a few in Japan and the West, turn them into refined metal powders.
西方和一些日本公司买下这些提炼品,然后再把它们制成金属粉末。
The half-wave potentials of the first and second oxidations and first reduction for double-deckers of the tervalent rare earths are dependent on the size of the metal center.
还可以观察到第一和第二氧化过程的半波电位与中心金属的离子半径呈线性关系。
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