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cobalt
A tough, lustrous, nickel-white or silvery-gray, metallic element. Symbol, Co. Occurs in the minerals cobaltite, smaltite, and erythrite; often associated with nickel, silver, lead, copper, and iron ores, from which it is most frequently obtained as a byproduct. Its alloys have unusual magnetic strength and are used for high-speed, heavy-duty, hightemperature cutting tools, and for dies, in jet turbines and gas turbine generators. Its salts are used in porcelain, glass, pottery, tiles, and enamels to produce brilliant blue colors.
- 词性: noun
- 行业/领域: 采矿
- 类别 一般矿业; Mineral mining
- Government Agency: USBM
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创建者
- ed.young
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(Milwaukee, United States)