laughing gas        
[das] 笑气。氧氮。氧亚氮 N2O
Nitrous Oxide, laughing gas, dinitrogen oxide

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[das] 笑气。氧氮。氧亚氮 N2O
常温气体,甜味, 使狂笑, 种氧剂, 助燃性室温稳, 300℃解, 溶, 乙醇,乙醚浓硫酸 熔点:-90.8℃ 沸点:-88.49℃ 蒸汽压:101.3千帕(-88.5℃)506.6千帕(-58℃) 临界温:36.5℃ 临界压:7265千帕 受温爆炸危险, 助燃性
Nitrous Oxide, laughing gas, dinitrogen oxide