黑药和镁的混合物具有离析的倾向.Mixture of black powder and magnesium have a tendency to segregate.这能离析为旋光异构体 吗 ?Can it be resolved into optical isomers?看物质能否由于沸腾和冻结而离析为组成该物质的元素.See whether the material can be separated into its element...
The walls had been painted an eggshell white.墙面用蛋壳漆刷成了白色。The processing of calcium acetate from eggshell was studied.以鸡蛋壳为原料,研究制备醋酸钙的工艺技术.Over time, the protein in the eggshell breaks down into its constituent amino acid...