钴是银白色的金属。钴在常温下不和水作用,在潮湿的空气中也很稳定。在空气中加热至300℃以上时氧化生成CoO,在白热时燃烧成Co3O4。
... metallic clothing welder 金属针布焊接器 metallic cobalt 金属钴 metallic cotton print 金属线印花布 ...
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维生素b12也被称为维生素b12,因为它含有的金属钴。
Vitamin B12 is also called cobalamin because it contains the metal cobalt.
介绍了用热的浓硫酸处理废硬质合金,回收金属钴和碳化钨的方法。
This article reports on a method of retrieving cobalt metal and tungsten carbide from hard alloy scrap by the sulphate method.
本标准溶液以金属钴海绵在超净实验室中准确配制并分装于20毫升安瓿中。
This standard solution was accurately prepared in super-clean laboratory with spec-pure cobalt sponge and sub-packed in 20 ml ampoules.
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