The ambiguity function (AF) is proposed to represent the ultrasonic signal for its modulus’ independence of time shift and frequency shift, which avoids the ef
Based on the Ricatti technique, the methodology for preventing the limit cycle accomplished by adding a control function to the original equation of wing rock m
In order to investigate the difference of phtotocatalytic properties of TiO2 samples prepared in different pH conditions,TiO2 nanoparticles were prepared in aci