<正>Polyvinyl alcohol (PVA) and polyvinylpyrrolidone (PVP) were firstly dissolved in distilled water of 90℃, and then mixed with citosan and glycerin by mechan
<正> In highly charged ions - C60 collisions, the fragmentation processes have been studied up to C9+60. For low charge state of Cq+60(g=1-4) the C2 evaporation