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Tag: 喷射机制
为何喷罐里的气体能让你的手指冻僵?
Posted by:
sunxin
in
科普
3 months, 2 weeks ago
你是否曾在使用压缩空气罐(也称为气体清洁剂)清理电脑键盘时,发现罐子和喷出的气体在一段时间后会变得异常冰冷,甚至罐子上还贴有霜冻警告?这并非没有原因。
Tags:
喷罐
,
气体膨胀
,
冷却效应
,
1
,
1-二氟乙烷
,
压力液化
,
蒸发冷却
,
物理学原理
,
压力锅效应
,
喷射机制
,
安全使用指南
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