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:1005-7854(2004)03-0013-031,2,1,3(11,100101;21,100039;31,100029):,,,,,19882000,:;;;:F40711;F40317:ASYSTEMATICEVALUATIONOFTECHNO2ECONOMICLEVELOFCOAL2MININGENTERPRISESINCHINAGANHong1,2,LIUYan2sui1,WANGJing3(11InstituteofGeographicalSciencesandNaturalResourcesResearch,CAS,Beijing100101,China;21GraduateSchooloftheChineseAcademyofSciences,Beijing100039,China;31LandUseKeyLab1,MinistryofLandandResources,Beijing100029,China)ABSTRACT:CoaloccupiesadominantplaceinthestructureofenergysourcesinChina,whichmaynotbechangedintheshorttime1Inanewperiod,theundergirdingofcoalsplaceinbasalenergysources,theconver2sionofproductionmodesandthesustainabledevelopmentofthecoal2miningindustryalsorequiretheelevationoftechno2economiclevelofthecoal2miningenterprisesinChina1Scientificevaluationisneededforobjectiveunder2standingofthetechno2economiclevelofthecoal2miningenterprisesinChina1Bysettingupanevaluationindexsystemandadoptingprincipalcomponentsmethod,wegettheevaluationvaluesoftechno2economiclevelofthecoal2miningenterprisesinChinafrom1988to20001Theresultwellshowsthegeneraltrendofwhichthetech2no2economiclevelofthepivotalstate2ownedcoal2miningenterprisesgoesupinthetimeseries1KEYWORDS:Coal2miningenterprises;Techno2economiclevel;Systemevaluation;Indexsystem:2004-04-16:(40271007):,1,19782002,12114%15910%,2/32030,50%1,,13320049MINING&METALLURGYVol.13,No.3September2004©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.10,;19902001,1122t/2178t/;65110%75143%,,,,;,2,198820002,,21121111,(),,,,,,,,,,,,21112(1),10,:(Z1,104t),(Z2,104t)Z3,%)(Z4,%)(Z5,t/)(Z6,t/)[Z7,t/()](Z8,%)(Z9,%)(Z10,%)(19902002)1Table1Techno2economicindexesanddataforpivotalstate2ownedcoal2miningenterprisesZ1Z2Z3Z4Z5Z6Z7Z8Z9Z10198843445704110115531171109251158139417816558102551531989458307046101165313811146514211490778177601945912819904802271361011953119112175171616040781086511063101199148060718610113511561125961093171267819068169681831992482546961101045019911330616671894279111721267113419934580368989193511911139871104195147819972114721261994468676362919751118115907169620563781407110272102199548228674110103531991178081623210047817371158721371996537257069918853185119238163621879781767119670188199752916689991855315521079912702290073127711437813219985034966489175531092118091511235147815373163721371999512716496917151170212581015212443878157731417210120005357477049166521662152611147227038771977414373129212,;,,212113,,,,pn,Xpn,Xpnei(i=1,2,,p),xj(j=1,2,,n),m(mn)WeiWe3iei(i=1,2,41©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,p)21212,xij(i=1,2,,p;j=1,2,,n),:yij=(xij- xj)/j; x=1ppi=1xij,j=1ppi=1(xij- xj)2,R=(rij)nn,,rij=1pps=1ysiysj(i,j=1,2,,n),Ri,i+1i(i=0,1,,n-1);i=(i1,i2,,in)T,pj=j/ni=1i,j=1,2,,n,i,Zi1Zi2Zim=11121n21222nm1m2mnyi1yi2yini=1,2,,pm(mn)mj=1j/nj=1je,e=0185,i:Fi=p1|Zi1|+p2|Zi2|++pm|Zim|,i=1,2,,p3(1),Z2Score,()(2),1/10i=1i+2/10i=1i+3/10i=1i=8713%85%,,8713%:F1=0187Z11-01053Z12-01934Z13+01014Z14+0196Z15+01969Z16+01988Z17-01378Z18+01882Z19+01865Z110F2=0131Z21+0161Z22+01056Z23+01841Z24+01128Z25+01038Z26-01042Z27-01496Z28-01348Z29-01223Z210F3=0109Z31+01669Z32-01112Z33-01171Z34+01061Z35+0108Z36+01088Z37+0164Z38+01067Z39-01214Z310(3):F=1/10i=1iF1+2/10i=1iF2+3/10i=1iF3(2)(3),(F),22,12Table2Evaluationvaluesoftechno2economiclevelofpivotalstate2ownedcoal2miningenterprises1988198919901991199219931994199519961997199819992000F-62177-49199-35128-25121-13106-9132-6100516524113421203111336177611751Fig11Thetrendoftechno2economiclevelofpivotalstate2ownedcoal2miningenterprises1,,19881997,199819991997,20001997;,1995,,,19954,(22)51,:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2Table2Techno2economicindexes/(m3kt-1)/(m-1)/(t-1)/(kgt-1)/(tm-1)113134555630147610525815755455015841605(1),,,235t,3,,,(2),(3),12,21,,1,(4),,01850.9g/cm3,01961.10g/cm3,(5)5%8%,,,;,,,,:11[M]1:,198712,1()[M]1:,1989131[A]1[C]11999141[A]1[C]119991(15);,,,,,,:1,1[J]1,2002,27(3):333-33612,1[M]1:,2000131[M]1:,19981(33)(3),:11[J]1,2000(3):30-32121[J]1(),2002(9):9-14131[J]1,2002(12):41-46141[J]1,1999(5):59-6115HeinrichGerhardW1Magneticseparation2flotationcen2trifuge1(CA)Patent:CA2317963,2002-02-2816T1[J]1,1994(3):1-8122©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.