Page 45 - การใช้ฐานข้อมูลวารสารอิเล็กทรอนิกส์ ScienceDirect
P. 45
U'.i~t~'Ufl1ll.J\Pltl..:Jf11'.i 'U'.i~~'UlJlf1'Yl~~ ( X = 4.50)
..,
!11
d
,
-
d
.I
Jl'U 'IJ tl l,!'111'.ifflrn rn f1'YI '.itl'U f1t'l' ScienceDirect \Pl tl tu trn ~ u '.i~ t~'Ut 'V'llJ fl111Jt '.i1tl'Ut\Pltl'.i 1i."
Q
"'
A
... I
,1
,
.ei.
d
.C::.
d
d
111 ... f
.t ~
•
tH'1f1'Yl'.itl'Uf1t'l''Ylf1U'.i~t~'U A~tl'.i1l.J 'U'.i~~'IJlJlf) ( X = 3.98) U'.i~t~'Ufl111J\Pltl..:Jf11'.i 'l-11--ftlt'l'l.J~lJi'--
d
"'d
d
"'d'
"'
-
,!II
<,
.
-
.I
!II
,
.I
""
"'
q
q
'Uf1rl'f1lll/tll'11'.itl \Pl tl..:Jf11'.i 'l-1 '1--ftlt'l'lJ~'V'l\lll'UlU'1~u'.i'IJu'.i..:J'IJ'.if11'.iil'l'U'U tllJ'1 1l'P'•
"'
"'
!ii
"'
,
!ii
!II
• I"' • I
"'
4
fl 11 "~ fl..:J fll':i'W \lllU ltrn::aJ f 1JiJ1 ..:J1J1fll':i ! lU'Ufll,j i;'1
1 u'.i~t~'U fill uty'l--flf11'.i 'lf.fl11:lltl..:Jf1t)ll 'Uf11'.it'l''Ufl'W'Utll,!'1 ( x = 2.45 )
d
"I
-
!ii
!II
"I .?1
.I
1
.,
,!ii "'
"'
1 'U'.i~~'IJ'UtltllJ
t'V'ltl..:J 1 U'.i~t~'U fill f11'.i~l1'U t'l-1'1~'\JtllJ\;1 t~'lfl (x = 3.67) t'1'1'UU'.i~t~'W'Yl'Vl'IJUtl.l'l-11
.. .,
,
"I
"J!il!il
!ii
.?1
d
"'
!ii
"'
d
.I
"'
.I
..,
q
cu
...,
u
i1'U'Utl1J'1'YlniJ'.i~t~'U i~t1'.i11Ji'U'.i~~'UiJ1unm..:i ( ~ = 2.90 ) iJ'.i~t~'U~'V'l'Uilrum1u'.i~~'Umnii
"'
q
.,
'U f1rl'f11:ll/tl11ll'.itl 'YI 'lf'IJ'.i f11'.ii l'U'Utll.J'111'.it'1'1'.itlt'1 f1'Yl'.itl'U f1t'l' ScienceDirect 'V'l'Uutl.l'l--flf11'.i 'lf
.Ct,
Q./
.ei.
,I d, j/
'j}
.:f
, !ii
ti
.ei. d
21
if t)!'11lfll'i 1,i' f lU'Ufll,jtl
ftlm~tl\Pll~~ (i = 2.95)
ri1uiJ'.i~t~'U '.ilfllrn nmrn tlrn~llvitr ..:i~tl ('U'Ylm1111;1~ 50 'Ul'YI)
iir11111w..:i'V'l01,i'.i~~'UiJ1u nm..:iii
' ' ,,
"'
"'
t'1'11Jl'.itlt'l''Ufl'U'\Jtll.J'1 t~1llf1flW~/fllfl1'lfl 'Yl'V'lf1 tt'1~f11'.it'l''Ufl'W'UtllJ'1 t~\Pl'1tl~ 24 'lf1 tl.J..:J \Plll.J'11~'1J
O<V
"'"'
">
b]!IJ
"1!1/!IJ
.:-.,
b]!IJ
"1!1/!IJ
"'
iJ '.i~t~u ~iifl 111JW..:J'V'l 0 h'.i~~'Umn~iiri 1m ~ viY ..:itY~ fitl m11J11u iY1Jt1'UfN'Utll.l'1 '.itl..:J'1..:JlJlfitlf11'.i
"' .
•
( x = 3.57 )
iJ'.i~t~u1u'.i~~'Umntrn~iJ1un1;11..:i i~t1'.i11JV1niJ'.i~t~uiim111w..:i'V'lt111l 1u'.i~~'Umn
'Uf1rl'f11:ll/tl11ll'.itl 'VM'V'ltl 1lf11'.i 'lf'IJ'.if11'.ijl'U'Utll,J'111'.it'1'1'.itlt'1f1'Yl'.itl'Uf1ff ScienceDirect l'Jf1
.Cl!,
Q
ti
,I
°"' .:t
1 'j}
4
9J
.ei. d
1
11111 iJVM vrn 'ii 'll ,Mm, ,r ! rn 'll mJ i;'1
1 !ii
!II
1
"'
"'
"'
"'
'U tllJ '1 t'l'l'l-1 '.i'IJ 'Yll 1 '1 ti '.i tl ..:J '1..:J lJ lt 'V'l tl t'l''Ufl 'U 'U tl lJ '1 t'l'l'l-1 '.i 'Ut\Pl '.i tllJ f11'.i t '.i tl'U f11'.i t'l'tl 'U U '1 ~ 'l-1 lfl111J'.i t 'V'l lJ t\PllJ
Q
QQI
CJ
QJ
~
j/.c:::..
o
d
.d.
j/
o
~
j/
o
j/
'
'
U'1~t'V'ltl'Yl111ltl tl11ll'.itlt'1'1'U my 'lfjl'U'Utll,J'1t'V'ltlt'l''Ufl'U
'Yll'.iltl..:Jl'U '.itl..:J'1 ..:JlJlt'V'ltl'l-1 lf1111Jit'V'llJt\PllJ
QJ
'j/ Q
j/
,I I 1 •, j/
o
Q
j/
0
Q
~
.dt
.dt
~
'
'
'U
...,
cu
u
fl tllJ'W1t\Pltl{~mfl 1'lfl/fl w~ ,r f1fff11:l1'11'W 1 ,rnn -ff irn 'U tllJ '1 tvtmrmi'u 'U 'e)lJj;j ffl'l-11'1JV111'YltllU'V'l'U1i
"'
.,
t'l'tll'U 'YI 'YI 1 'lf tfl'.i tl ..:J fl tllJ'V'l 1t\Pl tl '.it 'V'l tl t'l''Ufl 'U 'U tllJ '1 'Yl..:J 'U f1rl'f1lJ lU '1 ~ tll '11'.i ti t'1'1 'U '!HU 'lf t fl'.itl..:J
.
\Pl 'U t tl ..:J
.ei
rl ' 1 '1 !ii
j/
,,i
d d ,, .dt
rl .dt ~ ,,
t
Q.I ~
'V
...,
...,
'U
'V
cu
u
'V'l'IJ11t'1'1'U 11-HlJ'Yl..:J'W f1rl'f11:l1U'1~tl11ll'.itlt'.i tl'U '.ifll'.i 1 'lfil'U'\JtllJ'1~1tl
1li f11'.i t '.i tl'U'.i f11'.i 1 'lfil'U'UtllJ'1
It Q.I
I
C\d.
I
,l-=t,
it:!i
j/
j}
j/
'j}
'j}
'j}
j/
d
.,
ll 'IJ rn~ 11 ,r nffnm/01 '11'.i u ri-rn 11--ttu\Pl tl 'IJ 1l'lftl'IJ i .ff 11'.i tYl'.i ~tg f1'Yl'.itlU mf m n n1111'.i mm 'IJ'IJ'WlJ'Vi
"'
"'
'lf1 llJ..:J\Pltlm..:J '.itl..:J'1..:JlJ11'lft1'11t'l''Ufl'U'Utl1J'1iJ'.i~lJlW 1 'In tlJ..:J '1f1lJW~'UtllJ'1'Ylt'l''Ufl'U t~t1J'Ultlf1t'1'1'.i
Q.I
,,
~'j}j/
v
d~""l"~
~~
, t
~
"'
12.00 - 16.00 'U. \PlllJ'11~'1J 'U f1rl'f11:ll/tl11ll'.HJ t'1'1'UlJlf1'HlfJ'1~ 38.30 'lft1'11t'l''Ufl'U 'IHllJ'1lJlf1f111 l
Q./
Q.I
I
j/
I
.:f
j/
O
,/
.t!t
~
1"
15 fl1..:J 'lf1..:Jt1'11 16.00 - 22.00 'U. iiJui1..:it1mviiirrn·1.ff11wumJ'1lJlf1ll~~ 'HN'1..:JlntiJui1..:it1m
1
'
'
,,
38