它是一种无定形的无色或白色粉末。
催化剂的活性中心位于胶粒表面，催化剂颗粒是无定形的。
The active center lay on the surface of the colloidal particle. The particles were amorphous.
含淀粉的细胞可能也含有无定形的蛋白质即谷蛋白——俗称面筋。
The starch - containing cells may also contain amorphous protein known as gluten.
应用推荐