中文摘要：

钙氯化物和钠碳酸盐的水的答案的快混合导致了 vaterite 和方解石的水晶的形式在下面精力旺盛激动人心。然后， vaterite 在大约 180 min 以内被转变到纯方解石。水晶的形式都随试验性的时间增加成长了。扫描电子显微镜学(SEM ) ， Fourier 变换红外线的光谱学(英尺红外) ，和 X 光检查衍射光谱学(XRD ) 技术被采用描绘同样准备的样品。稳定的同样综合的方解石的热能力从 80 ～ 390 K 借助于断热的热量计被决定。方解石的热力学的功能关于温度在热力学的功能和测量的热能力的功能之中基于关系被导出。

英文摘要：

The fast mixing of aqueous solutions of calcium chloride and sodium carbonate resulted in crystalline forms of vaterite and calcite under vigorous stirring. Then, the vaterite was transformed to pure calcite within about 180 rain. The crystalline forms all grew with experimental time increase. Scanning electron microscopy （SEM）, Fourier transform infrared spectroscopy （FT-IR）, and X-ray diffraction spectroscopy （XRD） techniques were employed to characterize the as-prepared samples. The heat capacity of the stable as-synthesized calcite was determined by means of an adiabatic calorimeter from 80 to 390 K. The thermodynamic functions of the calcite were derived based on the relationships among the thermodynamic functions and the function of the measured heat capacity with respect to temperature.