人们日常生活实践证明:在煮鸡蛋时,如果是先把生鸡蛋放入凉水中浸泡一刻钟左右,再放入锅中煮,这样煮出的鸡蛋,蛋壳不但容易剥,而且煮熟后的蛋壳也不易破裂。另外,还可采用在水中适量放点食盐来煮蛋,同样可以达到以上效果。这是因为,加盐后的水浓度变大,在煮的过程中,蛋清里部分 People’s daily life practice proves that: When boiled eggs, if you first put raw eggs into cold water for about a quarter of a minute or so, then cook them in a pot, so that the boiled eggs and shells are not only easy to peel, but also cooked. The eggshell is also not easily broken. In addition, you can also use the amount of salt in the water to boil eggs, the same effect can be achieved. This is because the concentration of water after salt addition becomes large. During the cooking process, the portion of egg white is