. 19(6), 9862002)To be *31, 30 134 20 002 9 002)he in is On is to be an in In is in , , in 0 8 of by , 71 of 8 .5 5 on in O2 It of is to be by It is a be to In to a or to 1987; 1990. IM be to of a be to et 1997. by IM of IM is of of 1995, of 0In of a of in t of be )It is to at is is of or in is is q. (2):(3)a of t0), in q. (3) of q. (4).(4) by q. (4) by of ) at t )D) be of in at a D2C) = 4 1 1()2 1()0 = 1)0l8 1()22n +1()2n= 0=81()2 1()2n= 0c 7. of on in , 25 . 19, 6)990 et of et 1976. an in at 5 6 (3) by D) in In is by of of of on of 1994of of is by is by ,673 K of of be in a or no is is in , in 0 8 of by , of 8 5 We on in O2 It of in s . K)g/m2/s)8 05 00 05 05 0118. of ,673 K a) b) 200291a as an to as or is S., A. K. M., “of 1976)T., E., J. F., P., P. R., “ 38, 1904 (1999)T., M. J. F., “ J. 78, 1787 (1995)T., M. J. F., “of on J. 15, 899 (1995)J., “ 2nd 1975)J. M., J. M., R. J. K. P., “ 26, 56 (1987)N. R., H., S. L., D. L. S. J., “on 32, 2849 (1993)R. M., “ J. 23, 237 (1987)K. F., “ 990)M. A. V. J., “ 2nd 5 (1994)E. C., L. J. P., “ I,636 (2001)P., R. B., H. D., J. J. H. K.,“ . 16, 111(1999)E., N. N., “in J. 4, 265(1991)M. J., T. G., I. K. K. P., “on . 12, 48 (1995)M., J. P. L., “16 616 (2001)P. G., “ (1963)T. S. R. M., “ J. 82, 1146 (1999)T., S., T. S., “ P. P. M et a l l . ( 43,1188 (1996)S., H., H., H., Y., ( “ 7, 243 (1991).