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为了能快速、精确地绘制出满意的三元体系的平衡相图,作者应用Inprise公司的快速开发工具Delphi 5设计实现了解决该问题的计算机绘图程序。程序具有较高的自动化程度,在相图区具有动态组成提示功能,对两相曲线可选用多项式拟合或样条函数平滑拟合,并可进行分段处理,能自动确定结线之间的最佳交点,从而确定有无新的化合物生成。应用本程序绘制了几种不同类型三元体系的平衡相图。实例运行结果表明,该程序使用方便、灵活、作图快速,图形效果满意。
In order to quickly and accurately plot the equilibrium phase diagram of a satisfactory ternary system, the author designed and implemented a computer graphics program to solve the problem by using Inprise’s rapid development tool Delphi 5. Program with a high degree of automation, the phase diagram area with a dynamic composition prompted the two-phase curve can be used polynomial fitting or spline function smooth fit, and can be sub-processing, can automatically determine the connection between The best point of intersection to determine whether new compound generation. Application of this program has drawn several different types of ternary system balance phase diagram. The results of running examples show that the program is easy to use, flexible, fast drawing, satisfactory graphics.