! ! ! "#$%&'(%)*
+,-./01"#$-23456789:;'<=>?
+,-@AB-CD3EFGHIJ
+,-KLM(NOP=>QRSTUV-"W"#$XYZ[6\*5G],
^M(N=>Q_UV-"#$1`a./0bYZG7cdXe[6\*5G]
fg[6h"#$-i1jkXN&2l3mnop[6\*5G]fg[6\N
q3r/r-stuvw3ex[67yXz{|\*5G]
"#$2XN}~3•€•-u‚N$ƒ„…†NPCB)k3‡ˆ[6\
*71*‰Š‹Œ•Ž3)•h•‘XN’“-CDb”•G7–L-+,
—˜™šBbN./0›b&œ7•ž-Ÿ ¡1¢£5|h]
=>Q¤¥P¦N+,-§¨©ª«¬-®¯°-}—˜±²XN+,-³´(
-"#$®`a./0-µ¶)YZb·¸G7>‰¹º\£5|h]Š»-¼½
±¾%Nfg-µ¶[b¿ÀG7Á13ÂãNQ6%ÄÅ)IJbEF|5|
hXNYZbÆÇ[È7Á13%)½5Èj(|h]"#$234567•€•
-ÉÊ'<-ËÌXNÍkÎÏ2)•Ð("#$2-ÑÒ-ÓÔ¡1¢£5|h]
+,-&ÕÖ×Ð3ØÙ|\N"#$2%N./021|\ÚÛ30Ü#ÝÞ
[6\*5G]ßV3àá[6\*72bN&'âã-Ó*äå-&'bæ¼G
7çè./0Ž•N&'âã-•*äå3*7éb&œ7"#$3êë7Á1%N
Á6•-2b&œ7ìíbu‚NPCB)k-8îïðNñ"òóWôNÜôõô
)k-•€•-ö÷ø3[•GÁ13)½5G]
BlueVoice.org (%N+,-ùú(YZ[6&l1|\àá[6\*7"#$
2-Ÿûb‘ü|\*5G]5hNýhþ%N‡ˆ'<-ÿÜ#b!"#.G7
hº3N./01"#$-2b&œ7ìí-$%&ô'#-Ÿû())•\*5
G]Á6•-Ÿû%N+,-*+,=>?-;Bhþ1./-0N+,-ü1(
‘ü[6\*5G]
¤¥¥2P3BlueVoice.org X‘ü|hŠ»-Ÿû(%N3ôƒ…"#$
-2Ž•N7.20ppm -u‚XŸe[65|h 4 +,-CDÂ5-ŠÅc6
7>½(R28(09•\*5G]!
1
www.bluevoice.org
© BlueVoice.org
+,-:;u<(f67é3%N=>0.63 4 1.41 pg?@AB0†C-u‚X4
56\*5G]¤¥¥DPRRE3BlueVoice.org X‘ü|h+,-ùú-’F
(àá[6húG-u<(f6hé-Ÿû(%NR¥H›-鎕0.02 – 0.49
ppm-u‚XŸe[65|h]Á6•%c67(GXNùú(fg[6\&[6
\*7"#$1`a./0-‡ˆÿÜ#bÙI|\*5Èj]J5½Nùú‹K
-é%&œ\(Ö×(GXN"#$1./0-2%NQ‰(%)*1*‰Á1(
G]
"#$234567u‚€•
h1ëÓ€•-u‚LÉ((Nì¦3MNOPNQ$NRSNTUNVLWXYNZëNV[b\£]ÁGÁ1XŒ•Ž3)•\*5G]u‚%Nn^Ž•
_e|`ÎNa'€bÊXc7-(N>½•€•-u‚%Nì¦1stde›3
fgUb\£]ÁGÁ1(c½5G]
"#$-‡ˆÿÜ#-hijkXN+,(5G5GlÎm6nh73J6\N
ùú-³o.p±q%Nr›sÕ-àábtuG7•Ðbvw|NÑÒxÅ-¼
½±¾1|\N"#$2búG-;y3zÝ|5|h]ùú-{/|/}(c7
~•€–•‚%N;y¡ƒ„[6h21pH-"#$23•€•-u‚X48[
6\*7Á1bm½N&ô'#bŸû[È5|h]
Q -Ç …N •€•-u‚ XŸe[6 hhºN†%úG -;y(‡&3e
[6h"#$2bˆ8ɉŠ'‹1Œ?5|h]
~•‚%NúG(fg[6h"#$2b;y-•„hþ3Žë7¼½±¾3•
|\•‘b’ºhÙ•“¬b”¢|5|h]~•‚%NúG-•½–(YZ[6N
úG-ßV(àá[6h—ôƒ…./0-2-&ô'#Ž•˜•3•€•-u‚
1™!#u‚XŸe[6hÁ1bNpš11(3›JÞ\NQ6bœ•|5|h]
—ôƒ…./0%NÅa-"#$›(G]Q - & ô' #? Ÿ n CŽ •% N
žaSŸ -¡¢£¤¥7( c70.4ppm b108(¦ë7€•-u‚X Ÿe
[ 6N ~• ‚1(‰–ì -{/|/ }%NQ-Ç…3 W§#.b¨Þh 1
©œ5|h]™!#u‚€•%NžaSŸ -Ö×70.3ppmb10.338(¦ë\
*5|h]"#$2-ª-&ô'#%Nu‚-c67b168N5hN™!#u‚
-c67b128(¦ë\*5|h]
«,Å;-¬-®a¯°3>71N–L-"#$2Ž•%Nu±-u‚‡ˆ²
9-³3Ÿû[6hé´›>½(•€•-Ç…Xeh1µ‰Á1(G]¬-®a
¯°%Nh1ëÓ€•-™!#u‚((N¶·¸¹Xº»5h%¼½[67¾6
Xc7Á1bŒ•Ž3|hu±U(¿À|hÁÂB-ÃÄ,-ÅÆ(8Ç(G]
ùú(mnop[6h—ôƒ…./0-yP¦3nh•\‘ü[6hŸû(%N
Q-2È-×\XN+,—˜-¢º7ŠÅc670.4ppmb%7Ž3¦ëN–L
-2Ž•%N11ppm-u‚12.6ppm-PCBXŸe[65|h]+,—˜-¢º7
PCB-0É•%N0.5ppm(G]!
2
www.bluevoice.org
© BlueVoice.org
ùú-ÅÊkjËjÌjÍ#ÎNòj.Ï(%N—ôƒ…./03ÐÑ€•u‚X48[6\*7Á1XÒŒ|hÓNQ-àábL¸|5|h]³o.p±
qXÔ8G7{-ª-kjËjÌjÍ#Î(%N8É)—ôƒ…./0-2-à
ábÕÞ\*5G]úG-;y(%NÖÓ-"#$2-¨•63ט£()ÎN
´“%N5G5GÁ-ØÙ£sÕb&œ)Î)•\*7>‰(G]
KsÚ*ÛÅ;-ÅÆBNÜÝÞ߯°%N’“3àá[6\*7"#$2XN
+,—˜X¢º7u‚-Â570.4ppm b¦ë7Á1XÚÛ3c7Á1bŒ•Ž
3|hàí)ÅÆbeá|\*5G]†XŸe|hŠ•€•7%N3ôƒ…"#
$Ž•Ÿe[6hâããääå(G]Üݯ°%Nˆ"#$%&'(%)*‹1˵|N
"#$2-àá3•G7æûb+,—˜3Òç|5|h]
Üݯ°%N–L-"#$-^è-@A%NˆéÊu‚LÉ‹b\£]ÁG¾
6Xc71BlueVoice.org 3©œ5|h]†%NÁ6•-sÕ%êþ3ëìíŽ
•¼½îÎœ£ï1ðñ|\*5G]
sò'348[67•€•-u‚-óô%Nõ|\+,3É¢[6\*7nÞ
(%c½5Èj]Á6%ö÷£)øù(G]|Ž|NÁ-óô%N"#$2-@
AB31•\ú8(zû[6\*5G]
&ôü0ôWkA-^-*N/"jôýþ"ÿÏj¯°%Nˆ–L-:;'<
%N!"#lXc½Nu‚1$N$ƒ„…†5h%r#„h…†-±¾qnÈ%N
u‚ïÞ>½([•3ÐÑbEFG¾6Xc7‹1%ñ|\*5G]?ùú-"
#$2-@ABŽ•%N–L-ìí3Ë&Ê'<ï1'ë•6\*7$ƒ„…†
XNÐÑ)5(3•€•(Ÿe[65|h)]5hNp¯°%Nfg-CD3™
âG7u‚€•b”•|\*5G]
2ppm-$%-u‚€•%NfgË#-ÐÑÊb¤83|NfgË#(¿
ÀG7ÐÑÊb_83|5G]!
./0›-(g1)g348[67*ñ[6hŠ•€•-$ƒ„…†%N—ô
ƒ…./0-â+,1â-.!/01234!0(G]!
!
âãú5Ž•’V[6h+,ì-$%-u‚€•-Ÿû(%N6-.7-eò89
:-+,;ÊXNžaSŸ X¢ºh¡¢£<6=¦æ¼>??@ABCb¦ë7™
!#u‚3[•[6\*hÁ1bDE|5|h]FÖG=>?Q-ªN/HjI
#ýòJýK#kýrôƒý&"LôkM!
!
ÖG•%NâNNNPŽ•-ãã-P-¦NNú5-p%ß1`;yŽ•’V|hOPP.
ì-$%&ô'#b1½NP9NÊQN&œhé->1H›NìRËjÌ1$0
jSôB3™|\T*bVº5|h]UV-Ç…Nu‚€•%Né´›-æ¼3
W|Ιâ|\*7Á1XŒ•Ž3[65|h]!
!
3
www.bluevoice.org
© BlueVoice.org
+,žaSŸ %Nu‚ãX,ääå=>?™!#u‚ãX+ääå-Â5b1¢|\*5
G]°Y-§¨©ªZ%N™!#u‚-Ö×€•bãXâääå1¤¢|\*5G]!
!
ùú-{[%NúG-"#$fgòo%N"#$2-u‚483J*\œ•[
6hT*3•G7\]Ù^3>•\NâããS°ƒ#-ºPb_•h1˵|5|
h]"#$1./0-2%N*5ï3àá[6\=½N+,—˜Ž•`ab¨Þ
\NbcB-c÷bd*N"#$1./0fgXÕÞ•6\*5G]+,ì3%N
u‚3‡ˆ[6hébæ¼|hÁ1Ž•N¤Uìe0-ìíX¿À5h%Uf3
)•hu±U-gh-iŒ)MNXc½5G]!
!
u‚%N"#$1./0-2348[67j–-Éð(%c½5Èj]./0
1"#$-2%Nkk@®.l#mô)k-YnoN?pq)k-?qr?sa'€bʵtÊ8'<CN=>?ö÷ø3>•\••3‡ˆ[6\*5G]!
!
ž aS Ÿ u•ý&Õv aw/|% NxyL-;Ê3 ¤zE3R9e0
3ôƒ…"#$-2b&œ)*>‰3ðñ|\*5G]!
!
! !
µtÊ8'<4+,-{•:3™â|\*7|!
! !
?pqNñ"òóWôN?qk})k-8îïðoN=>?Q-ªÄÎ-µtÊ8î
‡ˆ'<%NLkÎlèô®ª-~#•ôbv€G7Á1Xm•6\*5G]Q
6•%N^U•ŽÎ‚:;'<1(Œƒ6\*5G]Ä>-éN„3./0®"
#$-2b&œ7+,ì%N•€•-Á6•-^U•ŽÎ‚:;'<3[•[6
7•ù1)½5G]…Ê%N;Ê:[6N;Ê%N†‡-ÿÜ#>½(•*Lk
Îlèô®LkÎlèôv€'<bˆ×|5G]!
!
-ãã‰PŠEN+,--;BB#j'%N+,;Ê-‹eŽ•?pq‡ˆXË›[
6hÁ1bË•|5|h]-;BB#j'-Ë•3>71N'ë•67ìn¡æ¼#jÎ%Né-@AŽ•(c71*‰Á1(G]æŒÅ;-ù•Ž–a••
%Nˆé-æ¼XNì¦-‡ˆ‘’-Í1Jï1'ë•67‹1˵|\*5G]
&'âã-“”(c7"#$%Ni1jk-é>½(Ž)½•€•3‡ˆ[6\
*7Á1bö•G7œ£(G]!
!
– ^— ˜Å ;-™´š› ò-;ýœ ì-*;••3> 6ƒN+,…ÊG (3 {) *••y%N [•3ž{ |\=½NÁ6% Nì¦-~#•ô b
ŽÎ‚G7:;'<X‘’(cŸ‰1*‰Á1(G]!
!
TUì-+,…ÊŽ•-• &ô'#-UV(N¡¢+ãP¦3N••yXâ-7
ž{|\*7Á1XÒŒ|5|h]âN‰ãP£-*;aŽ•-&ô'#%N=>
P.ããS-••XRå¤-• 3456\*5|h]âNOãP£3NQ-y%6P+ããS
3ž{|NâNNãP£3%N[•3¥þ\6.‰ããS3ž{|5|h]™´••%N
ì¦-~#•ôbv€G7§¨:;'<X••y-ž{-¦b§•\*7d¨Ê
Xc71˵|5|h]!
4
www.bluevoice.org
© BlueVoice.org
!
+,%Nö÷(=>©ªXŠ([*Y-Í1J(G]×n-ì«3•|\T¬
-e0-ìhþ-®qXNâN‰ãP-‰Xã‰7Ž•N-ããâP-âO7¡1¤8e03)
½5|h]Á-®q%N{•:3>•\xÅ[6\*5G]!
!
+,-ì«%¯9:|\*5G]ì«X°ƒ*±²b³´|\*7-%N+,
ì-©ªXµ?\*7Ž•(G]ì«`¶%N¡¢ŠÓ3•¥|5|h]+,ì«%N-ããâPø·(â¸-‰+ãSì(G]P¦®[¹XâN‰‰P3â7e•3•¥|N
âNNNP3%NãXâP73•¥|\*5G]+,¡-º“%zë\*5GXN+,ì
-ea¹X•X•\*7-(G]!
!
â.-e•-ì«-y%N-ããâP3»ÓŠÓ7-âO-OSì3•¥|5|h]âP
3nh•\âNSì-ž{(G]!
!
+,…Ê-Ó*••y%NÁ-øù1™âÊXc7Žk‰Ž¼éæûG7½Ò
Xc½5G]!
!
ùú(fg[6h—ôƒ…./0-2Ž•%-XPääå-?pqXŸe[65|h]
—˜X¢º7?pq-ŠÅc6>%NãX.ääå(G]?pq%Nì¦3)¾¿N•ÌÀ9N
ÁÂÙ^Ã×N&b\£]ÁG¾6Xc½5G]!
!
Ë &' <1 |\lÎÄÅ [6\*7 ñ"òóWô%N "#$1./0234567(‰Í1J-Éð(G]!
!
8îïð‡ˆ'-ÆÇ-(c7‘«¯°%N.ãB0†-./0®"#$-2&•%N.ãÈ0-ì31•\Nñ"òóWô<6R+æ¼>bÉ®G71*ñ|5
|h]‡ˆ•-Š(•*"#$-&ô'#-nÊŽRB0†-ËÌ%N<6>b
_8¦¡G7Á13)½5G]Q6•%Nì¦-aÍÎÊ£)ËÏ3IJ|N[
•3ÁÂÐ-º»NѱҾ¿N¶·Ð¾¿N•Ó^ÔÕNÖ×Ub\£]ÁG
d¨ÊXc½5G]!
!
òjkÎ0Sr(-YØfrÙ}|?BApC|/(N’F-./02Ž•<6R
+æ¼>bŠÅâ‰-8(¦ë7€•-ñ"òóWôXŸe[6hÁ1bN+,ÅÆBhþXË•|5|h]Á-ÅÆ%N+,-ÚÛ3c7Ü–u-Å;-‘«
Ý–¯°3>•\¹*•6NÅÆBhþ%NâNNNP1-ãããP»V3+,(àá[
6h+OH›-./01"#$-2bæû|5|h]!
!
"#$2Ž•%NŠ•€•-ñ"òóWôXŸe[65|h]Kù=t-„ô
../0%N¤Þß3•€•(|h]Œàá-„ô../0-Á-:;'<-4
8>%Nâã£3Ó7(|h]!
!
ÜjAôÎËÌ)k-./0sÕ%N+,žaSŸ X¢ºhñ"òóWôà
:q'-Â53>71Nì¦X@AG7-b6Ä(£)*ik3‡ˆ[6\*5
|h]F‘«-ãããM!
5
www.bluevoice.org
© BlueVoice.org
!
ÅÆBhþ%Nâã£Ä>-éb&œ7ìí%Nñ"òóWôä¢-¶·)¬
#l-ÐÑ3[•[6\=½N„3eå%NÐÑÊX•*1*‰Çæ3ç|5|
h]!
[W•ôèN‘«=>?Q-ªN+,-./02345678îïð‡ˆ'<=
>?u‚‡ˆ'<-çÎ-CD3•G7öÒÊ]
!
./02-89:;'<
+,%N./02-i1jkbNÅét1Kù=t(-lÎ\][6hêë;£)frŽ••Ê|\*5G]+,%NÁ6•-fgbìæûí«¬1Œj(
*5GXNö÷£3%N}`[6\*5G]q3ùú{())n6\*7î*ï
¾³N=>?+,-KL()n6\*7ðbd•h"W"#$fg-ñ£jò³
%N./0›-2-Ý{£)„‡ó3)•\*5G]
2003P-ô+õö?+,(¤Þß3àáLy-Ä*õöC-*Ú3>71N+
,-žaSŸ X‘ü|hyH›-./02-æû(%NÄy-&ô'#XNc
6(£)*ik-PCB®™!#u‚)k-89:;'<(‡ˆ[6\*hÁ1X
ÒŒ|5|h]Ÿû[6h&ô'#%N+,-KLM(fg[6h÷!./0¬
V-Ëøù1ú2Ž•ûV[65|h]žaSŸ -ÅÆB#j'%N5411ppm
-PCB€•=>?0.3741.3ppm-™!#u‚€•bN./0-ú2Ž•Ÿe|5
|h]žaSŸ -é´›3•G7¤¥0É%NPCBX0.5ppm=>?™!#u‚
X0.3ppm(G]
™!#u‚-¡¢£<6=¦æ¼>?PTWI)%N=>|\=¦nÊŽ16B0†
-./0-)g-sÕb@AG7Á13>•\¥Éb¦ë5G]
Á 65 (3 Ÿe[6hu ‚-Š•€ •%N./0-) g23456\*
h204ppm(NˆÖ׋ÿÜ#b4008(¦¡|\*5G]
+ ,- ÅÆ Bhþ%N+ ,ì-ñ" òóWôæ¼-6 àU%N鎕æ
¼[6\*7Á1bË•|\*5G]
ü(h./0-)gŽ•Ÿe[67@ýþ0sÿu‚C€•%NR&(éÊLÉb\
£]ÁG-3!U)ik-•€•(G]þ./0-"2-#ý$0?ÿu‚C1!
%ý$0?™!#u‚C-‡ˆÿÜ#%NQ6&6OXN,'1ý!â+X+1!.X,,'1ý!.X‰-!
/01234!0!(G]Á6•-ÿÜ#%N+,žaSŸ X¢ºh@ýþ0sãX,!/0!234!
0C-É÷bNQ6&6--81âO8¦¡|\*5|h]!!
!
.ããå0-ï:Ü(u‚-æ¼%Nì¦3ö•-LÉb\£]Á|N¿3¼7Á
1[ëc½5G]ü(h)gsÕ-@A%NéÊ(Ã×b\£]ÁG-3!U)
u‚>bƒ„|5G]!
!
6
www.bluevoice.org
© BlueVoice.org
! Š‹})*+,-)å3)4./!B)*304+0.4+-)!103)23s}B1ý"4Skýr™S$3,5b
=Χ¨©ª,nCX67~8ùú‹9(Vºh"#$ý./02bæû|h1
ÁŸN"#$234567:;<-ÿÜ#X•*Á1XUŽ½5|h]}B1ã‰ýâP
1ÇÝÞ•6h&ô'#?ŸnC%NþI—ôƒ…-21•D[6\*5|hXN
=>?@kÎ%NQ-2Xþôƒ…"#$Nk/"#$N5h%Ìñ0"#$k6Ž(c7Á1bD|\*5G]Q-:;<7%âA.â-!ääB(|h]5hN+
,-ŒéL(C•|h"#$2-&ô'#%NþI—ôƒ…(|hXNQ-:;
<7%âA-,+!ääB(|h]+,—˜%234567:;<-c67bãX.ääå1¢
º\*5G]J5½}B1Xæû|h0M-"#$2%ND•1(Á-Â5bÅû
3¦ë\*5G]5hNÿu‚7N™!#u‚7(Â57b09•\*5|h]!
!
!
+,‹9-./03›•67r„l"ƒÕ!
!
r„l"ƒÕ%NEF¸¹GH³ÊÿôË.<-¸¹±²XIJ|NKL±²
bMNG7„OXc½5G]./0›(%NÍ1JïÞ*ñXc½N+,s:*
(PQ|hâ-V-þ./0-^¤V3Nr„l"ƒÕX›•65|h])g%N
„3R60X•\=½N)¸¹SbXØT•\*5|h])gNfgNUgNV
gNW(3r„l"ƒ-IJX›•65|h]F•X=>?Q-ªN-a¬'*
;|/HjI#M!
+,%Npà-mjÿX’V[6h°YNLYNkS0ô$bYŽ3|-*(N
}~3•*®q(NZ&N)g&Nê[&XËa|\*5G]FT*ó\ö÷©
CP¦Ù]?âNNPCM!
!
!
`^!
!
_*\-ãã,P¤EP+!
þj3jƒœ`vaÅ;a!
! !
Ì&!ijb#÷^ckÎô!d!™!#u‚XNé´›1eué-ö÷£)‡
ˆ'<(c½N„3ËçL-Ã-¶·Ð3HIJb(h•G1m•6\*7Á1
Ž•Nþj3jƒœ`vaÅ;aN=>?+,NmôÌj.Nü"ljfX-î
™XNxyL3é´›bÄ>3æ¼|h‹gb(Jhi:-•„hþXNeaj
3u‚3[•[6hÁ13>•\NÃî¨Xžk|hd¨ÊXc7Žk‰Ž-l
m3¼½±¾5|h]Q|\N‹gŽ••„3•Ó^(u‚Xº)G71NQ•„-„¢-Ãî¨39nÃd¨)º»bŽë7Á1bË›|5|h]Á-ÅÆ
%Nü"ljfX(‘ü[6N`å-;/HjI#¤Eo3pq[65|h]!
!
Á-æû(%N•„hþ-u‚¿À%Nea³-rst&ô'#1‰-1â,³3ûV|h$%&ô'#Ž•-UVŽ•lm[65|h]Á-æû3%Nü"
ljfX-6âAã--ì-‹g1Q-•„hþXu{|5|h]eò³-‹g-$
%u‚€•%Ni1jk-FqN°Y;vÅÆ|/=>?§¨©ªZs}?1CXw
xG7¿ÀÉ•NRB0†yh½RÌ".lB0†b¦¡|\*5|h]!
7
www.bluevoice.org
© BlueVoice.org
!
ü"ljfX%NKÅét-z#…"j1r"k0ôƒ-¦3{||5G]Á
-X-·}%N³o1uò{RbLf3|\=½N~•B-&•3%Né´›1
./02-Å>æ¼X4565G]!
!
`å-;/HjI#3pq[6hM•-pWB•3>7¤Þß-æ€%NÁ¶·Ð-ê:XNfgî¨-¶·ÐAôÎlj#-žk3(™âG7Á1bË•
|\*5G]u‚¿ÀX•*ikN•„hþ%Nìn¡-•~)‚ð-„‡bƒ
©G7hº3½Ò)fg-•~)ê¬b³´G7¨WXN>½Ó•|5G]!
!
+,žaSŸ %Nu‚ãX,ääå=>?™!#u‚ãX+ääå-Â5b1¢|\*5
G]|Ž|)X•NÁ6•-Â5([ë(N./01"#$-sÕ3%8l[6
\*5Èj]-ããOPPE.+NL#„E‡©ª-|%NÁ6•-Â5X"#!
$1./038l[6)*Á1bNžaSŸ &ÕÖ×LÂ5wû…3ƒÄ|5
|h]!
8
www.bluevoice.org
© BlueVoice.org

四大压力让研究生陷群体困境