【正】 On October 25th,2008 Changchun Dacheng Group commenced the production of its 200000 t/a c0rn-based Chemical alcohol project.The project uses corn as raw
Tail buffeting at high angle of attack causes distinct fatigue problem on tail structure of twin tail fighters.In this study,a piezoelectric active control expe
Nanning Chemical Industry Co.,Ltd.(Nanning Chemical,SH:600301) is an important producer of basic chemical raw materials in China.It is located in Nanning of Gu
Water demand increases continuously with an increasing population and economic development. As a result, the difference between water supply and demand becomes