国上清充大￥ Recovery SHEAMGHAI DUD TONO UHTVEREETTY Recovery kinetics 。Type I kinetics: dXr-_C XR=c2-c Int dtt In the early stages of recovery(t->0)when Xg>Xo or at the end of recovery (t-→o)when X.→0 ·Type2 kinetics: For m>1 XR--CXR X君m--Xm-=(m-1)ct d For m=1 In(XR)-In(Xo)=ct Institute of Forming Technology Equipment 15Recovery Institute of Forming Technology & Equipment 15 Recovery kinetics R 1 dX c dt t   • Type Ⅰ kinetics: 2 1 ln X cct R   In the early stages of recovery (t→0) when XR→X0 or at the end of recovery (t→∞) when XR→0 • Type 2 kinetics: 1 R m R dX c X dt   For m>1       1 1 0 1 1 m m XR X m ct     For m = 1 ln ln  XR    X ct 0 1  