XRD analys es show that these two samples are calcium zincate crystals. Shapes of cal ciu m zincate crystals result from different prior growth direction of crystal in th e preparation process of calcium zincate.

• XRD分析表明两种化学反应方法制备的样品均为锌酸钙晶体 ,由于制备过程中晶体优先生长方向不同而具有不同的形状。