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1 利用鸡蛋蛋壳演示渗透作用轻轻敲击鸡蛋的两头 ,剥去部分蛋壳 ,使两侧各成一小孔 (气室一侧可大些 )。从气室对侧小孔倒去卵白、卵黄 ,然后用清水冲洗干净。从气室对侧的小孔向蛋壳内倒满饱和氯化钠溶液或浓蔗糖溶液 ,然后将气室的一头蛋壳置于盛清水的容器中。 3～ 5分钟后
1 Use the egg shell to demonstrate the penetration of lightly tapping the two ends of the egg, stripping off part of the eggshell, making a small hole on both sides (the side of the air chamber can be larger). Pour egg white and yolk from the contralateral hole of the air chamber, then rinse with clean water. Saturated sodium chloride solution or concentrated sucrose solution is poured into the shell from the opposite orifice of the chamber, and then an eggshell of the chamber is placed in a container of fresh water. After 3 to 5 minutes