Addition reaction mechanism of phosphorus trichloide and carbonyl compounds is discussed briefly here according to Lewis theory.

Design of open CNC system based on personal computer;

Design of Z-scan automated detection system based on single-chip microcomputer and personal computer;

Design of Serial Communication Protocols between Personal Computer and SCM;

Application of Communication between PC Computer and Multiple Microprocessors based on VB6;

Dealing with this problem and taking SZL 9900 Comprehensive Mud Logging Unit as an example,the paper states the feasibility of using PC computer to replace the graphic terminal device,introduces software selection and installation,hardware configuration and process of enter.

For processing of long NC programs in the practical production,this paper puts forward a more economical solving method that using the old PC computer,communication with NC devices through serial ports can achieve the purpose of the real_time and on_line operation.

The design of a synchronous clock PC card is introduced in the paper.

PC card and program control system have been developed.

The design of a synchronous clock PC card is introduced.

This text depicts a series of PC-Based NC machines that developed by PA system,which win high public praise in application.

This paper is according to the PC-BASED system structure, using total distributed control fashion, adopting HF2510A and TSFAL-560 power module, with the ICP’s I-7000 series distribute collecting module and RS485/232 connecting circuit to carry out the data collect and the data deliver function , developing the procedure under the Configuration Software.