Analysis of near-bed sediment motion;

Influence on infiltration ditch water intake from the change of river bed condition;

This paper researched the program design method to control the pages of man-machine interface according to the control forms of automatic cone face grinder.

Based on the state-of-the-art of structural analysis of machine tool, considering the lower of process precision of surface grinder, the static and dynamic analysis were performed to components and complete of grinder, using ANSYS FEA software, improvement projects were proposed, also the optimization was carried out and has validated the feasibility of improvement projects.

Improvement on electric lines of M7475B surface-grinding machine;

Application of hellow cylindrical roller bearing in surface-grinding machine;

The paper presents the practice in enlarging the hearth area of the oxygen enrichment closed-top blast furnace from 12.