min-1.ml-1 respectively,TLP,HPI and PPI calculated by HAP,PVP were 1.5573 + 0.42ml. min-1.ml-1,22.41% + 8.31% and 77.59%+ 8.31% respectively,the resultes had not obvious difference compared with that of maximum slope method.

• ml一‘、1.；2054士0