Xsr55

!
29"!
5#Vol29NO.
5+,-).
)JChongqingTechnolBusinessUniv(NatSciEd)2012!
5"May.
2012!
"#$:1672-058X(2012)05-0105-06áRUJ3GèL3éD1,ê}÷1,2,+D1,/g1(1.
&'*+=n&'/++4,&'400044;2.
&'*+`z3+0q&l,&'400044)89:*:2011-10-20;;@:&'5/8,;H9(CSTC2009DA001A08).
ABCD:D(1986),B,&'5¨G,MN#,IJ°~、exMN.
EF:@)Gì,oZ1DC8m;FG4%ìJC0C3G.
D6s}{-÷DVmZC{qr85",ìùú+C0;J-V\UMb,ZíC68.
3>_0@)0bc`>6C4x5D,Hax5,X*;7iqr+v-÷.
@.
GHI:+v@;;;0;5;JKLM$:X928.
02!
NOPQ:A2005!
§`[¨S35%,G80%,úR1009,R309[1].
*à±áYpGR5.
Y:[%uxw,《`a》,DB^*J0(14òX)r|(:2010!
JYGVWf1403、2433G.
*}:nJpt、-p4R,d}.
1êF7+U7GèMCz!
§`J、!
4|20%[2],~&UexRDMT,upu.
1.
1TL§`a[°dl:(1)§,;`5`pT.
exDu05L,z!
\úexQ;(2)%&$0;].
PH!
n"`[#f5.
158t,DN]13.
5%.
+dl:(1)+=h)\.
JjuX÷mnflc.
0#Z0ex、ìRv.
Qv5exwx.
60129-.
:Z-Jl.
+:(1)w#[;(2)O、8f]^f.
G°MNfnh,Jp.
1b^m5,E`úJGVWN90.
1%Y86.
4%[10].
2.
1-#X÷x-")\"§;Xsr.
JpG°ìs:@.
bCmKdR.
Jji:_RcjRKd@p%jgfX|JRü.
G°éì,:[、[3、lv|、.
h·S_ú(Gossen)es:R_JkQhTwBéJ%}{G°ùü(fo%.
(2)mnJn+1G°%1),m.
2.
2.
15'u5ó·Z*[12,13].
m¤MN1J+`G0+m5u;mGG0,]`ú.
(1)9Jf0GEWf.
G0,Gf:Z1i=a1iX,i=1,2@a11>a12;XGZ2i=a2iX.
G0,GQlZ3i=Z1i+Z2i=(a1i+a2i)X;i=1,2.
G0,G[&i=2i=1bi=1,i=1,2(2).
(2)9+Vm-0!
c.
Qf}.
,+0J2í,MN/ùmnVWVv/6ü[14].
*df:①woS_;②+a^0,Ja^[15].
9+I0GXi=Xi(Ii),i=1,2(3).
(3)G°+P7:lPE.
minTCi=Z3i+Ii=Ii+(a1i+a2i)Xi(Ii)mIRsx:TC/Ii=0;X′i(Ii)=-1a1i+a2i701,5.
67,V:89:;*E@HAsIi,I1≠I2(4).
K2eK3GdeK4eó(4)F:pìZsa21=a22.
U±$Z-:@a′21=a′22,a′2i>a2i(5).
G_:X′=b1(X′1-X1)+b2(X′2-X2);O]+:I′=b1(I′1-I1)+b2(I′2-I2).
K5eóK6eó(5)}h·ì5RòGZ*:ò:①ùVT(R_).
②&$fpD(h·ps).
GZpT,Z-,GZhh·0Gd2c(GjRvh).
a12+a″21.
lW&v2Lz(6).
G_:X″=b2(X″2-X2);O]+:I″=b2(I″2-I2).
AX′=X″,NO]+I′,I″:b1(I1′-I1)+b2(I′2-I2)=b2(I″2-I2);Xi=Xi(Ii);X′i(Ii)=-1(a1i+a2i);,-o,3i:I′>I″,X′/I′4R5Z1.
V9[J].
&'()*++z:U/+{,2010,6(3):250254[7]d:,eh.
R!
ex+[M].
4{.
@,§,I,,Y.
¨:rG*+[{,2006:213215[8].
54R=[°|o[J].
@HAEconomicsAnalysisandSuggestionforGovernmentalInterventioninCoalMineAccidentsTreatmentSHENLi1,XIEXiaojia1,2,FENGFawei1,ZHANJiangshu1(1.
SchoolofResourcesandEnvironmentScience,ChongqingUniversity,Chongqing400044,China;2.
NationalKeyLaboratoryforCoalDisasteralleviationDynamicsandControl,ChongqingUniversity,Chongqing400044,China)Abstract:Fromeconomicsangle,thispaperanalyzesthenecessityandrationalityofgovernmentalinterventionwithimplementationofaccidentspenaltyandcompensationfortheinjuredandthedead,discussessomesuggestionsfortheimprovementofthegovernmentalinterventionaction,holdsthatthisgovernmentalinterventioneffectivelysolvesmicroeconomicsmarketfailurebroughtbyproductionexternalityandthatmarketitselfregulationroleisbroughtintoplaybyrationallysettinguppenaltyandcompensation"price",andintroducesregulationcoefficientsandtherelatedlawsandregulationstorealizetheorganiccombinationofgovernmentalinterventionwithmarketitselfregulation.
Onthebasisofthis,economicsutilityequilibriumlawisusedtochangegovernmentguidedsinglepricingintodynamicgradientpricingtomakeaccidentstreatmentconsiderbothfairnessandefficiency,meanwhile,transferpaymentisusedtoimprovesafetysituation.
Keywords:safetyeconomy;accidentstreatment;governmentintervention;utilityequilibrium;pricediscrimination;transferpaymentyz#{:櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍(m104n)ResearchProgressintheApplicationofMicroalgaetoω3PolyunsaturatedFattyAcidsProductionSUXiang1,ZHOUXiaoqin1,WANGTao1,GUOXiang2(1.
SchoolofEnvironmentandBioengineering,ChongqingTechnologyandBusinessUniversity,Chongqing400067,China;2.
SchoolofChemistryandChemicalEngineering,SouthwestUniversity,Chongqing400715,China)Abstract:Thispaperintroducestherelatedconceptsofω3polyunsaturatedfattyacidsandtheresearchprogressintheapplicationofmicroalgaetoω3polyunsaturatedfattyacidsproductionathomeandabroad,discussesthemainsynthesispathsforω3polyunsaturatedfattyacidsinmicroalgaecells,compositionandcontentsofEPAandDHA,strainscreening,cultivationmethodformicroalgae,theextractionofEPAandDHAandsoon,andfinallygivessuggestionsforoptimizingthetechnologyfortheapplicationofmicroalgaetoω3polyunsaturatedfattyacidsproduction.
Keywords:ω3polyunsaturatedfattyacids;microalgae;EPA;DHA;screening;cultivation;extractionyz#{:01129-