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本文研制了程序升温脱附（ＴｅｍｐｅｒａｔｕｒｅＰｒｏｇｒａｍＤｅｓｏｒｐｔｉｏｎ，ＴＰＤ）技术的联机系统，编写了ＴＰＤ信号和温度的实时采集及数据处理软件．本系统用ＩＢＭ－ＰＣ及兼容机作系统管理机，具有通用性强，便于应用和开发等特点．通过对Ａｌ２Ｏ３催化剂上吸附甲醇的表面性质研究应用表明：该联机系统采集的数据完整可靠，数据处理和显示打印灵活多样；软件采用弹出式菜单提示，操作方便；系统用中断方式实现多任务进程，提高了计算机的利用率．
In this paper, an on-line system of temperature programmed desorption (TPD) was developed and real-time acquisition and data processing software of TPD signal and temperature was prepared. The system uses IBM-PC and compatible machine as system management machine, with versatility, ease of application and development features. The research on the surface properties of methanol adsorbed on Al2O3 catalyst shows that the data collected by the on-line system is complete and reliable, and the data processing and display are flexible and diverse. The software uses the pop-up menu prompt and is easy to operate. The system realizes multitasking process by interrupt mode, Increased computer utilization.