The good catalytic effects indicate these flower-like nickel 3d nanocrystals are likely to be applied as a better catalyst in the future.

良好的催化性能表明，这种镍三维纳米结构将来很可能成为一种优异的催化剂。

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Basic principles and methods in applicable blur maths were applied to evaluate the hazards of the major productive toxicants like nickel, cobalt, copper, vitriol fog, SO_2 and chlorine.

应用模糊数学的基本原理和方法，对冶炼厂镍、钴、铜、硫酸雾、二氧化硫、氯气等主要生产性毒物的危害进行综合评价。

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Like the base metals of copper, aluminium, zinc and nickel, speciality metals are driven by industrial activity.

与铜、铝、锌和镍等贱金属一样，特种金属也受到工业活动的推动。

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Instead, a low-energy nuclear reactor (LENR) uses common, stable elements like nickel, carbon, and hydrogen to produce stable products like copper or nitrogen, along with heat and electricity.

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Over millions of years this created an oxygen-rich atmosphere that rapidly removed electrons from minerals near the surface, creating rust out of iron and forming thousands of new minerals from other metals like nickel, copper and uranium.

ECONOMIST: Minerals

It confines itself to resources like gas, nickel and timber, for which market prices exist.

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