【摘要】 采用Visual Basic 6.0编写了Bi-Cd双金属体系步冷曲线的教学演示程序。程序结合物理化学相关数据,描述了不同条件下Bi-Cd体系的步冷曲线。在程序中,通过调节的金属质量比例和演示程序速度,可以详细分析热分析方法中体系Bi-Cd体系相与温度的变化,为教学提供了直观生动,可交互控制的演示环境。更多还原

【Abstract】 A program demonstrating cooling curves of Bi-Cd binary system is compiled by Visual Basic 6.0.On the basis the corresponding experiment date in physical chemistry,the program can illustrate the cooling curves of the Bi-Cd binary system under specific conditions.In the program,the ratio of Bi-Cd and the demonstrating speed can be adjusted to analyze the variations of Bi-Cd’s phases and temperature in detail,which offers an intuitive,vivid and easy-operating environment for the teaching.更多还原