Traditional Development and Evolution to the Poetic Styles of Yong Shi Poem——Discussion on Zuo Si s Eight Pieces of Yong Shi Poems;

On the Hermit Ideas of Zuo Si and Their Cultural Significance;

The Pains of Zuo Si and His Disengagement Ways;

Research of the Writing Time of Zuosi's On History

Brief Discussion on the Writing Time of Zuosi′s History-intoned Poems

Consideration on the Bohai Sea Oil Spill Emergency Response Exercise 2007;

The considerations of the gold mining enterprises developing economic benefit audit;

Analysis and Consideration of the Problems in GSP Certification in China;

Rethinking Safety of Coal Enterprises;

Coal resources of some of the problems in the integration of thinking;

Thinking on Public Security Education;