每加入二个钇离子就建立一个氧离子空位，ZrO2的点缺陷浓度主要取决于添加剂的加入量，ZrO2的离子导电就是通过ZrO2内的氧离子的迁移来实现的。这种陶瓷材料对氧具有高度的敏感性，选择性很好，用它做成的氧探头（又称氧传感器）广泛应用于工业炉和环境保护。Chinese dumpling is a delicious food.You can make avariety of chinese dumplings using different filling based on your taste and how various ingredients mixed togetheer by you .