A model-free adaptive control method is proposed for the spacecrafts whose dynamical parameters change over time and cannot be acquired accurately. The algorith
This study was conducted to evaluate the degradation of phenolic compounds by one strain isolated from coal gasification wastewater( CGW). 16S rRNA gene sequenc
Sixty sediment samples were collected from the main Songhua River in three years. Twelve polybrominated diphenyl ether( PBDE) congeners( BDE17,28,47,66,99,100,1