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用不同方法合成了纳米级链状CaCO3及微米级纺锤形、立方形、球形CaCO3粉体材料，并对各自的物理性质和结构进行了测定和表征．对不同形状CaCO3的形成机理进行了初步的探讨．
Nanometer chain-like CaCO3 and micron scale spindles, cubic and spherical CaCO3 powders were synthesized by different methods, and their physical properties and structures were determined and characterized. The formation mechanism of CaCO3 with different shapes was discussed.