According to the practical examples of the jointed managemental reform for some small mines in the south suburban around Taiyuan City,the scheme for the reform of jointed management is worked out,the prospect is predicted,some problems of the reform are found and the countermeasures concerned are expounded in this articl

Classification and Management of Moso Bamboo Stands in Xiuning County;

This paper discusses the adjustment of electrical parameters,the state of machine operates after combined mill and the results of rebuild in the process of reform of combined mill medium mills and IGBT medium frequency furnace.