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液氮每公升的重量是多少
更新时间: 2020-07-04 00:00:00  

液氮每公升的重量约为0.808千克。液氮的相对密度0.808千克每升,在常压下,液氮温度为负196摄氏度;1立方米的液氮可以膨胀至696立方米21摄氏度的纯气态氮。液氮是惰性的,无色,无臭,无腐蚀性,不可燃,温度极低。氮构成了大气的大部分。氮是不活泼的,不支持燃烧。汽化时大量吸热接触造成冻伤。

关键词: 液氮 公升 重量 多少

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