78page

6. +-d= E-d6fr. ar-Lltrl-. (zt) g-€ 51= s.a"rxl= ^i+6}q +=Cg s€aJul. ql a3rigig s-€9 Eil"F"J"l Azl *zl4:+.Hg + Al "J= + 9'l trl-. (.1) e.^l+E Fg ^I+6Iq +€g a=.6I+. 7 . a_01= rll+6l-:r E ^lElrl-. (4 =Hl€ E.q ?€g 300-3s0"C _tr_ z}g+r}. (,.r) "l €al= u}-_E_z ?qs- 4uE-= Eq +€ +sE *=+. E) =q ?€+ B4al,z aEl€ d_ =q 4l zl€. $s_a1a €il+trI. s. ?-d= -sr.Pl-Lltrl. vt +€+ql olE-ag ql ol(air)_tr_ (tD ^J€ +€g 2B "lt"l ==-q q +g EteC€- I+q_l6IH^l H) 6+E gA+=4. FJ qa ++s+ 9l%Ig. €ilp]trI. FD +"J =El= +trI. s. 5al 5EE -Ll-tr|. E9 trI. '*"JAE _g "J-== ! lal +=+. (uH7 *=) loao aoooo aoooo aooao oooao aooao oqoao oooao cooao aooa. aooao oo6a. od ooo oo06 aooa. oooao aooao oq6do oeoao oa6ao oo6ao aooao ao6d6 aq6d6 60 oa. oooa6 600ao aooro aqoro a.oe aooao dooa6 ao6ao d66ao a.646 ae6t. ao -1c-l 1 gI lEl -5J JEt ' L:€tr_: .l o e-=9i'3, -70 -