In the past two decades, software aging has been studied by both academic and industry communities. Many scholars focused on analytical methods or time series t
On April 7,CST announced that after two years’preparation,their Indian plant will be officially put into operation in June,whose main products are motorcycle t
In order to enhance the efficiency of spectrum utilization and reduce communication overhead in spectrum sharing process, we propose a two-stage dynamic spectru
NaY zeolite was modified with oxalic acid, and Ce(Ⅳ)Y(1) zeolite was obtained via liquid phase ion exchange between the modified NaY zeolite and cerium nitrate