In order to meet the requirement of the new regional aircraft electric power system(EPS) independent test,a simulator is designed to be used to simulate the relative interface function among the avionics system,engine system and the EPS.

This paper has probed into the technology of 8051 SCM and LCD HD44780 and its application in the controlling system of latest-twisting machine, and realized program design by SCM C language.

Analysis on the movement of the new thread-taking-up mechanism in computerized embroidery machine;

According to soft shaft bottom,serious drift deformation in Zhaojiazhai coal mine,based on the analysis of failure mechanism of drift surrounding rock,new type support technology was adopted which involves 36 u-shape steel,grouting behind the wall and under the drift and structural compensation support.