70page

58 ^1125t AfEElel ,sEH-= q ^J4 r^JE z1#oil H zl Au-Ag, Cu-Ni, Au-Pt f,o'l F + /Ft t c (a) C (d) trB z-421E (r)e+ ?ol 9q, oJe+ ,J3 t4s= c (b) T1 T2 T3 T4 Ts c (e) (f) MM1 v rtr ^lPoll Ll ^l E Ef e[ -gl'3 o1 Nl N 9J88EH -z,\] o -- 'l ].-: r- et4. A rl ral 2-42 r.Eillg EEEsloll rrl= e48zl rAfel ^l+o1lLi^l =d trfl 2-431E (a)9 zlfqlHzl +dql^l x=CE -J+ql E]l6Lq !-H ol B?ol q r- 3E. Tloil^'l M++4 N++E 2^Jstr_ E4"Jrll 6lH a_ .J+e_l z1+qlHzlE -fBql^] YJ+^l oJ F'o] €4. g ol EI#ol "J"J M,ol 4E aCrI N,olE|= eCE Z M Mt x N1 N (a) ral 2-43 -Et=E E€oll tll -Lf