A Complete Collection of 100000 Whys
Fav十万个为什么
为什么高压锅煮饭更快？
简单的摘要：高压锅煮饭更快的原因主要是锅内气压升高、水的沸点升高、以及传热效率提高。
1、高压锅通过密封和加热，使锅内气压升高，通常能达到1-1.5个大气压，这使水的沸点升高到120-130摄氏度，远高于常压下的100摄氏度，从而加快食物的烹饪速度。
2、水的沸点升高意味着锅内的水和蒸汽能够达到更高的温度，这使食物在更高温度下烹饪，化学反应速度加快，食物更快熟透。
3、高压锅的密闭环境减少了热量的散失，提高了传热效率，同时高压环境下的蒸汽对食物进行全面均匀的加热，进一步缩短了烹饪时间。
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