$B6&F18&5fJs9p=q(B


$B8&5f6hJ,(B $B0lHL8&5f(B

$B8&5f2]Bj(B

 $BBg5$Cf$GE,MQ$7F@$k@c7k>=$N7A$H@.D9>r7o%@%$%"%0%i%`$N3NN)!J1tD>2aNd5Q1@IwF6
$B?75,!&7QB3$NJL(B $B7QB3!J(BR02$BG/EY$+$i!K(B
$B8&5fBeI= $BKL3$F;650iBg3X;%KZ9;(B
$B8&5fBeI=(B $BL>M@65
$B8&5fBeI=(B $B9b66MG:H(B

$B8&5fJ,C4!?=jB0!??&L>(B
$B!!(B
$B;a!!!!L>(B
$B=j!!!!B0(B
$B?&!!!!L>(B

1

 $B:4yu85(B $BKLBgDc298&(B

2

 $BLZB $BKLBgDc298&(B

3

 $B8E@n5A=c(B $BKLBgDc298&(B

$B8&5fL\E*(B $B!!8NCfC+1'5HO:KLBg65e$K@c7k>=$r@.D9$5$;$?$b$N$G!"Bg5$Cf$GMn2<$7$J$,$i@.D9$9$kE7A3@c7k>=$H$O@.D94D6->r7o!J29EY>l5Z$S?e>x5$>l!K$r0[$K$7$?!#K\?=@A$G;HMQ$9$k1tD>2aNd5Q1@IwF6$O@c7k>=$r0lE@$KIb$+$;$J$,$i@.D9$5$;F@$kE@$,B>$KN`$r8+$:!"E7A31@Fb$G$N@c7k>=$N<+M3Mn2<@.D92aDx$r:F8=$G$-$k!#K\8&5f$G$O!"9-$$29EYHO0O$G3n$D?eK0OB0J2<$GI9$KBP$9$k2aK0OBEY$rJQ$($F=$N@.D94D6->r7o$rL@$i$+$K$9$k!#$3$l$K$h$j!"Bg5$Cf$GE,MQ$7F@$k@c7k>=7A$H@.D94D6->r7o$r<($9%@%$%"%0%i%`$r40@.$5$;$k!#(B
$B!!!!(B
$B8&5fFbMF!&@.2L(B $B!!Dc29<<$NNdE`5!2~=$9);v$N$?$a!"$B!!E7A31@Fb$G2aK0OB?e>x5$NL$N>e8B$H$J$k?eK0OB>r7o2<$G$Nr7o$OEy29!"5$29HO0O(B-2$B!k(BC$B$+$i(B-20$B!k(BC$B!"@.D9;~4V(B10$BJ,$G$"$k!#u!&@p>u7k>=@.D90h$G$O(BTakahashi (2014)$B$GF@$i$l$F$$$k%G!<%?$r2C$($?!#:rG/EY$^$G$N?eK0OB0J2<$N>l9g$HF1MM$K5$29$H6&$K7k>=7A$,JQ2=$7!"?K$ND9$5$O(B1mm$B$rD6$(!"7B$O(B1.7mm$B$^$G@.D9$7$?!"E7A3$G8+$i$l$kE57?E*7k>=%5%$%:$KC#$7$F$$$k!#(B-14$B!nIU6a$G$O?eK0OB0J2<$G$OG'$a$i$l$J$+$C$?$B!!$^$?!"7k>=$NBg$-$5!J@.D9;~4V!K$,@c7k>=@.D97A$KM?$($k1F6A$rD4$Y$k$?$a$K!"@.D9;~4V$r(B15$BJ,G5;j(B20$BJ,$K?-$P$7$?u>d!"(B-14.2$B!k(BC$BIU6a$G$O@1O;2V$,@.D9$7$?!#Nc$($P!"@1O;2V$OI9$KBP$9$k2aK0OB?e>x5$NL(B0.13 g/m3$BDxEY!J?eK0OB$G$NF1?e>x5$NL$O(B0.22 g/m3$B!K$G$b@.D9$7$?!#e$G$N?7NdE`5!$NFC@-GD0.$K;~4V$rMW$7$?$?$a!"EyJ}7k>=$N@.D9$9$k(B-9$B!k(BC$BIU6a$G$N
$B!!!!(B
$B@.2L$H$J$kO@J8!&3X2qH/I=Ey(B

$B!!(B