Page 26 - ebook.msu.ac.th

9
?
H
?
?
8F12$:,:,_ Ba.B4CD% Gkf1B4CD%45.8.$&.4 8H/1A.i51%D)&&ƒ.+ D)&&/%(' D)&&bFA$ ก\n+Y@$+j54[A$.
'
)f
,
H
9
[
[
)
)f
)f
,
:$0$.^8[5A%A.4:$0Ba$]$.^B+^GD rkg%2[gB$6กb?.1/%2.5DG/.%11 4[A.1.14./. B+42[11B$6กก)1
?
)
H
kg
)
)f
/H. +%/%2. 4.กHD1 `.657)%4[:$.1 " &14.:)ก1D12[g29.B7b?.1$.%i5%51% rkg%D6XHj1+%/%2.1157)b
)f
n@ :$.1&151kg%1,4,A/H. B5\1ZX?BdH.&151kg%lCDA$0bD%iก?/ BG?.4.:X+GXH89.2)b56.b^?.ก)b:$.1&111Y+6
H
)f
\
D.ก.$A.%m a1ก$02)g%:$.1&111AกjaA1Gkf1 :$.1&111B51/.2[g114[B2:.$กp'i$% a%n+8$.%B@o1
)f
?
)
H
?
kg
)f
Cg
)
)
)f
5DB2:.$กp'Gkf157)%51% iA5D11G/.%A0/1 B:$.0q011&12)f%@/%a%n+B$6ก2[g11/. +%/%2.5D
)f
H
kg
)
k
[
?
H
)f
X
G/.% `.657)%&1B4CD%$?D6BD\+i7045.8.$&.4n+?D:6:&$Db&$)/n@A%B@o1`4,79.B1.j12[g114.กGkf1 a%
)f
k
)f
n+?B$[6กก)1/H. b?.1/)%2.5DG/.% A)f%iAH1)f14.z

ก"#%F;?K@6GF;)ก"#:RI%)A6$#"
f9
)
j1b$$+.5)/B4CD%7./.6A0/)1DDก $.p‚$j^?7.+2D%B57CD%B@o1B%,1A$.Y+6lCDBD.1.51กB@o1
H
)
Bก#Š' AD4.B%,12D%Bก,+DA&)+ G?.57/%@$0a.D6XH2[gB4CD%DFb7$.^_.1[ ak%n+?4[jbbDกn@6)%ก$F%B2:u
9
GD$)b:$0$.^2.1Bb[f6 D)e r[ก B8[f6/ Y8Œ8 4.a9.51H.6j5?iกH$.p‚$ B:CgD&/.480+/กj1ก.$i7กB@7[g61
)f
)
)
9
H
H
2.%ก$%B2:u n+8H%B%,1A$.j1$.&.A.%m A%iA De lk%Y8Œ8 4.a.51.6j15/B4CD%7./.6
H

F
?
H
C
)f
kg
[
?
?
A0/1DDกBq[6%B51D A%iA@{ :.(. "IEh B@o1A14. i70AD4.n+B@7[g61B@o1B5$6] = 8A.%&' &$%
H
)
8A.%&' < 8A.%&' =h 8A.%&' B5$[6]87k% i70B5$[6]b.2

R2>)FeA#JFก"#Fก+#()
C
?
,
)
,

B+4B4CD%45.8.$&.4 a+D6XHj15/B4CD%7./.6A0/1DDกBq[6%B51D rkg%n+iกHb$B/#2[g$.b8X%
)
)
Y&$.^2)f%54+ $/42)f%+,1i+1t€%r?.6i4H1f9.YG% AD4.B4CgD@{ :.(. "IEE 5/B4CD%7./n+lXกibH%DDกB@o1
?
)
H
I กD% &CD
5)/B4CD%7./.6B51CD 4[(X16'ก7.%D6XH2[gB4CD%51D%&.6
F
5)/B4CD%7./.6A0/)1DDกBq[6%B51CD 4[(X16'ก7.%D6XH2[gB4CD%Db7$.^_.1[
5)/B4CD%7./.6A0/)1DDก 4[(X16'ก7.%D6XH2[gB4CD% a9.@.()ก+
,-
5)/B4CD%7./ก7.% 4[(X16'ก7.%D6XH2[gB4CD%1&$$.^8[4.
H
AHD4. :.(. "IEI ($(. ==h) B@7[g61B@o15/B4CD%7./ก./ AD4.j1@{ :.(. "II" B@7[g61B@o1
)
\
?
[
4#Š7A0/1DDกBq[6%B51D i70B@o14#Š7D8.1 j1@{ :.(. "IIE i6กDDกB@o14#Š7$D6BD+j1@{
C
)
:.(. "I<<
)
H
AD4.B4CgD ".7. KLMN 4[e.10B@o1a%5/+ b$$+.B4CD%2[gGkf1D6XHก)bB4CD%45.8.$&.4B+,4 ก\
)
9
,
B@7[g61B@o1D.B`D i70B7,ก$0bbก.$8Cb8.6Y75A2.%ก.$@ก&$D% Ba.B4CD%&18F+2?.6 &CD :$0Ba$]$.^
?
,
B+^ (DFH1) B@7[g61A9.i51H%Ba?.B4CD%4.B@o1ZX?/H.$.^ก.$B4CD%

"<
!"#$#"%&'()&*"!"#+"& (./0/+01#2"))