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鸡蛋为什么一煮就破壳

更新时间: 2020-09-26 00:00:00     

蛋壳内的气体受热迅速膨胀产生了巨大压力导致蛋壳破裂。鸡蛋内有一个气室,为胚胎发育提供一些氧气。如果鸡蛋迅速受热,气体将膨胀而不能及时排出,从而涨破蛋壳。所以煮鸡蛋应凉水下锅,中火或小火煮。这样膨胀的气体可以慢慢从蛋壳的孔中排出,鸡蛋就不至于破裂。

关键词: 鸡蛋 为什么 破壳

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