... Journal of Water and Environment Technology, Vol.3, No.1, 2005 - 29 -The effect of inactivation for C.parvum by Pulse lamp. T. IWASAKI※1,S. KINISHITA※1,M. ... kinds of UV lamps. As a result, higher capability of the pulsed lamp was demonstrated in the high UV dose area, compared to other UV lamps. The difference between inactivation efficiencies by ... medium pressure mercury lamp when evaluating by excystation method. Moreover, sensitivity of cryptosporidium parvum to UV irradiation was in the order of the cell culture method, the mouse infection...