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![Liquid nitrogen - Wikipedia, the free encyclopedia](https://www.iarticlesnet.com/pub/img/site/s_15.jpeg)
Liquid nitrogen - Wikipedia, the free encyclopedia
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日期:2024-08-14
Liquid nitrogen is nitrogen in a liquid state at an extremely low temperature. It is produced industrially by fractional distillation of liquid air. Liquid nitrogen is a colorless clear liquid with density of 0.807 g/ml at its boiling point and a dielectr...看更多