微型计算机DB-BASIC系统在物理化学中的应用

<正>本文介绍的DB-BASIC系统是由dBASE-Ⅱ数据库与BASIC-80语言系统连接而成,可以满足物理化学或其他学科中既需要储存大量数据与信息,又要能方便地调出并进行复杂数学运算的要求。 将此系统试用于化学热力学,编制了两组应用文件,以计算不同温度下的化学反应平衡常数和非理想气体的状态变量(用van der Waals方程)。所需标准热力学数据均从数据库文件中调用,计算结果与手工计算相符,全部程序在紫金Ⅱ(Apple兼型容)微型计算机上通过。受8位微机所限,运算速度稍慢,数据库文件的容量较小。

A MICROCOMPUTER DB-BASIC SYSTEM AND ITS APPLICATION TO PHYSICAL CHEMISTRY

In this paper, the microcomputer DB-BASIC system is constituted by connecting BASIC-80 language software to dBASEⅡdatabase system. It can be used both in storing a large amount of data and in tranferring them from one system to another.In applying this system to chemical thermodynamics, two groups of utility files have been presented to calculate the equilibrium constants in different temperature or state variants of non-ideal gas. The values of standard thermodynamics are selected from database. The same result can be obtained either by the computer or artificiality