Based on the forest management status quo of Chongtou forest farm of Qiubei county,the index system of forest sustainable management including 3 aspects and 25 indicators has been put forward.

Lin Chong:the Reposing of the Personality Pattern of Scholars;

Discourse Analysis of Heroes of the Marsh with Pragmatic Theories—A Case Study on the Utterances of Lin Chong;

Strengthening the safety management of the "three sorts of workers" on state-owned forest farms with man-centered princeple;

On the safety management of the “Three Sorts of Workers” on state owned forest farms in the new situation;

Based on the current situation of safe production management in forest farms, how to implement the Work Safety Law in stateowned forest farms and measures to improve the safe production management by law are discussed.

Application of the Beryllium-copper in the Punch for Die-casting;

Study on punching holes on thin steel sheet to be the same thickness as diametre with 70 steel punch;

This paper presented the characters of punching a little hole(D/t<1),and presented the punch had a very short use life by analyzing the invalidation type of punch,so that the punch can't meet the need in manufacture.