Some applications of M.O.theories to the chemistry of explosives(II) The estimation of the rate of nitration(Part 1) The applicability of CNDO/2 and MINDO/3 methods to the Hammett rule(*in Japanese)分子軌道法の火薬化学への応用(第2報) ニトロ化速度の予測(その1) CNDO/2法およびMINDO/3法のHammett則への適用性