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The best Side of XIN电子投注
kevinb494nsu3
27 days ago
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它是一种灰白色的过渡金属,质重、珍贵、有延展性和延展性�?它耐腐蚀,存在于不同的矿物中,通常存在于铜和镍中,也可以以金属形式存在�?它用于珠宝、电触点、实验室设备、汽车催化剂和填充物。 鉴于其化学惰性和高熔点,铂与铱合金用于制造实验室设备,例如燃烧板、坩埚、钳子、蒸发器等。 与空气接触,铂不会氧化,但考虑到与卤素、氰化物、铅、硫、硅等元素存在的条件,它会发生反应; 也在臭氧和某些熔融碱性氧化...
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