学科分类
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15 个结果
  • 简介:Objective:Population-basedcancerregistrationdatain2012fromallavailablecancerregistriesinHenanprovincewerecollectedbyHenanOfficeforCancerResearchandControl.ThenumbersofnewcancercasesandcancerdeathsinHenanprovincewithcompiledcancerincidenceandmortalityrateswereestimated.Methods:In2015,allregistries'datainHenanprovincewerequalifiedforthenationalcancerregistryannualreportin2012.Thepooleddatawerestratifiedbyarea(urban/rural),gender,agegroup(0,1-4,5-9,10-14,…,85+)andcancertype.Newcancercasesanddeathswereestimatedusingage-specificratesandcorrespondingpopulationofHenanprovincein2012.TheChinesecensusdatain2000andSegi'spopulationwereappliedforage-standardizedrates.Alltherateswereexpressedper100,000person-years.Results:Qualified19cancerregistries(4urbanand15ruralregistries)covered16,082,688populationsofHenanprovincein2012.Thepercentageofcaseswithmorphologicallyverified(MV%)anddeathcertificateonlycases(DCO%)were69.84%and2.30%,respectively,andthemortalitytoincidencerateratio(M/I)was0.64.Itwasestimatedthattherewere248,510newcancercasesand158,630cancerdeathsinHenanprovincein2012.Theincidenceratewas266.17/100,000(288.61/100,000inmalesand241.86/100,000infemales),theage-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were208.95/100,000and206.41/100,000withthecumulativeincidencerate(0-74yearsold)of24.30%.Thecrudeincidencerateinurbanareaswashigherthanthatinruralareas.However,afteradjustedbyage,thecancerincidencerateinruralwashigherthanthatinurbanareas.ThecrudemortalityofallcancersinHenanprovincewas169.90/100,000(201.23/100,000inmalesand135.95/100,000infemales).Theage-standardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)were131.20/100,000and130.80/100,000,respect

  • 标签: 癌症发病率 死亡率 河南省 人口估计 农村地区 城市地区
  • 简介:Objective:Population-basedcancerregistrationdatain2012fromallavailablecancerregistriesinGansuprovincewerecollectedbytheCentralCancerRegistryofGansu.ThenumbersofnewcancercasesandcancerdeathsinGansuprovincewithcompiledcancerincidenceandmortalityrateswereestimated.Methods:In2015,datafrom7registriesinGansuprovincewerequalified.Thepooleddatawerestratifiedbyarea(urban/rural),gender,agegroup(0,1-4,5-9,10-14,…,85+)andcancertype.Newcancercasesanddeathswereestimatedusingage-specificratesandcorrespondingpopulationofGansuprovincein2012.TheChinesecensusdatain2000andSegi'spopulationwereappliedforage-standardizedrates.Alltherateswereexpressedper100,000person-years.Results:Qualified7cancerregistries(3urbanand4ruralregistries)covered2,956,560populationsofGansuprovincein2012.Thepercentageofcasesmorphologicallyverified(MV%)anddeathcertificate-onlycases(DCO%)were72.41%and1.65%,respectively,andthemortalitytoincidencerateratio(M/I)was0.63.Itwasestimatedthattherewere575,600newcancercasesand331,300cancerdeathsinGansuprovincein2012.Theincidenceratewas223.29/100,000(244.14/100,000inmalesand201.50/100,000infemales),theage-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were208.95/100,000and206.41/100,000withthecumulativeincidencerate(0-74yearsold)of22.49%.Thecrudeincidencerateinurbanareaswasequaltothatinruralareas.However,afteradjustedbyage,thecancerincidencerateinurbanwasthesameasthatofruralareas.ThecrudemortalityinGansuprovincewas128.54/100,000(135.04/100,000inmalesand124.43/100,000infemales),theage-standardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)were109.54/100,000and108.44/100,000,respectively,andthecumulativemortalityrate(0-74yearsold)was12.91%.Thecrudecancer

  • 标签: 癌症发病率 死亡率 甘肃省 人口估计 农村地区 城市地区
  • 简介:Objective:Population-basedcancerregistrationdatain2012fromallavailablecancerregistriesinShandongprovincewerecollectedbyShandongCenterforDiseaseControlandPrevention(SDCDC).SDCDCestimatedthenumbersofnewcancercasesandcancerdeathsinShandongprovincewithcompiledcancerincidenceandmortalityrates.Methods:In2015,therewere21cancerregistriessubmitteddataofcancerincidenceanddeathsoccurredin2012.AllthedatawerecheckedandevaluatedbasedontheNationalCentralCancerRegistry(NCCR)criteriaofdataquality.Qualifieddatafrom15registrieswereusedforcancerstatisticsanalysisasprovincialestimation.Thepooleddatawerestratifiedbyarea(urban/rural),gender,agegroup(0,1-4,5-9,10-14,…,85+years)andcancertype.Newcancercasesanddeathswereestimatedusingage-specificratesandcorrespondingprovincialpopulationin2012.TheChinesecensusdatain2000andSegi'spopulationwereappliedforage-standardizedrates.Alltherateswereexpressedper100,000person-year.Results:Qualified15cancerregistries(4urbanand11ruralregistries)covered17,189,988populations(7,486,039inurbanand9,703,949inruralareas).Thepercentageofcasesmorphologicallyverified(MV%)anddeathcertificate-onlycases(DCO%)were66.12%and2.93%,respectively,andthemortalitytoincidencerateratio(M/I)was0.60.Atotalof253,060newcancercasesand157,750cancerdeathswereestimatedinShandongprovincein2012.Theincidenceratewas263.86/100,000(303.29/100,000inmales,223.23/100,000infemales),theage-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were192.42/100,000and189.50/100,000withthecumulativeincidencerate(0-74yearsold)of22.07%.Thecancerincidence,ASIRCandASIRWinurbanareaswere267.64/100,000,195.27/100,000and192.02/100,000comparedto262.32/100,000,191.26/100,000and188.48/100,000inruralareas,respectively.Thecancermortalitywas164.47/100,

  • 标签: 癌症发病率 死亡率 山东省 疾病预防控制中心 人口估计 农村地区
  • 简介:Objective:Toestimatethecancerincidenceandmortalityin2012inGuangdongprovincebyanalyzingthecancerdataofselectedpopulation-basedcancerregistriesinGuangdongprovincein2012.Methods:Eightofninepopulation-basedcancerregistriessubmittedcancerdatatotheGuangdongProvincialCentreforDiseaseControlandPrevention(GuangdongCDC),whosedatametthedataqualitycriteriawereincludedforanalysis.Thestatisticsofselectedregistries,stratifiedbyareas,gender,ageandcancertypes,wereusedtoestimatethecancerincidenceandmortalityin2012inGuangdongprovinceaccordingtothepopulationdatainGuangdongprovince.Segi'spopulationandthenationalcensuspopulationin2000wereusedforcalculatingtheage-standardizedrates(ASR).Results:Atotalof15,084,942people,accountedfor17.47%ofallpopulationinGuangdongprovince,werecoveredin8selectedpopulation-basedcancerregistriesin2012.Thepercentageofcasesmorphologicallyverified(MV%)andthepercentageofdeathcertificate-onlycases(DCO%)were72.84%and0.87%,respectively,andthemortality/incidence(M/I)ratiowas0.56.Itwasestimatedthattherewere211,300newcancercasesand117,300cancerdeaths.Theincidencecruderate(CR),theASRbyChinesestandardpopulation(ASRC)andbyworldstandardpopulation(ASRW),andtheaccumulatedrate(AR)(0-74years)were250.20/100,000(265.39/100,000inmales,234.29/100,000infemales),207.04/100,000,201.34/100,000and22.91%,respectively,inGuangdongprovincein2012.TheincidenceCRandASRCwere267.25/100,000and221.43/100,000inurbanareas,and215.51/100,000and178.77/100,000inruralareas,respectively.ThedeathCR,ASRC,ASRWandAR(0-74years)were148.44/100,000(190.95/100,000inmales,105.06/100,000infemales),103.73/100,000,102.44/100,000and11.68%,respectively,inGuangdongprovincein2012.ThedeathCRandASRCwere164.57/100,000and105.46/100,000inurbanareas,and124.63/100,000and99.97/100,000inruralareas,respectivel

  • 标签: 癌症发病率 广东省 死亡率 疾病预防控制中心 人口数据 质量标准
  • 简介:Objective:ThisstudyestimatesthenumbersofnewcancercasesandcancerdeathsinHebeiprovinceusingincidenceandmortalitydatafrom9population-basedcancerregistriesin2012.Methods:Thedataofnewdiagnosedcancercasesandcancerdeathsin2012werecollectedfrom9population-basedcancerregistriesofHebeiprovincein2015.AllthedatamettheNationalCentralCancerRegistryofChina(NCCR)criteriaofdataquality.Thepooleddataanalysiswasstratifiedbyareas(urban/rural),gender,agegroup(0,1-4,5-9,10-14,…,85+)andcancertype.NewcancercasesanddeathsinHebeiprovincewereestimatedusingage-specificratesandcorrespondingprovincialpopulationin2012.The10mostcommoncancersindifferentgroupsandthecumulativerateswerecalculated.Chinesepopulationcensusin2000andSegi'spopulationwereusedforage-standardizedincidence/mortalityrates.Results:Allcancerregistriescovered4,986,847populations,6.84%ofHebeiprovincialpopulation(2,098,547inurbanand2,888,300inruralareas).Thepercentageofcasesmorphologicallyverified(MV%)anddeathcertificate-onlycases(DCO%)were76.40%and4.72%,respectively.Themortalitytoincidencerateratio(M/I)was0.64.In2012,itisestimatedthattherewereabout187,900newdiagnosedcancercasesand119,800cancerdeathsinHebeiprovince.Theincidencerateofcancerwas258.12/100,000(275.75/100,000inmales,239.78/100,000infemales),andtheage-standardizedincidenceratesbyChinesestandardpopulation(ASIRC)andbyworldstandardpopulation(ASIRW)were210.65/100,000and208.50/100,000,withthecumulativeincidencerates(0-74yearsold)of24.46%.ThecancerincidenceandASIRCwere256.99/100,000and211.32/100,000inurbanareasand258.94/100,000and209.99/100,000inruralareas,respectively.Thecancermortalityratewas164.63/100,000(201.85/100,000inmales,125.92/100,000infemales).AgestandardizedmortalityratesbyChinesestandardpopulation(ASMRC)andbyworldstandardpopulation(ASMRW)w

  • 标签: 癌症发病率 人口估计 死亡率 河北省 死亡病例 农村地区
  • 简介:TheexcitingsourceoftheactivesourcerepeatedmonitoringislocatedintheXiliushuiReservoirinZhangye,GansuProvince.ThesystembeganoperatingnormallyonJuly9,2015,andwehadcompletedaperiodof40daysofcontinuousexcitationexperimentbeforeNovember10,2015.Ourresultsrevealthattheairgunsourcehasgoodconsistencyandrepeatability,andthedetectivesystemofactivesourcecanrecordsignalclearly.Theconstructionofactivesourcerepeatedexplorationprojectshasachievedsomeresults,whichcanprovidevaluableexperiencefortheresearchofactivesourcerepeatedexploration.TheobservationdataweobtainedmakesitpossibletofollowthetemporalandspatialvariationsofthedeepstructureoftheQilianMountainareas.

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  • 简介:Inthisarticle,werelocatedtheseismicsourcelocationoftheearthquakesintheMuliareaofSichuan,invertedthefocalmechanismofthelargerearthquakesandanalyzedtherelationshipbetweenthewaterleveloftheJinpingreservoirandthefrequencyoftheearthquakeswarm.Theresultsshowthat:(1)Theepicentersoftherelocatedsmallearthquakeswarmsaredistributedinaseismiczone,andtheearthquakefocaldepthswereintherangeof0-12km.(2)Byanalyzingtheearthquakeswarmspatialdistribution,wefoundthattheswarmsweregeneratedbyonebranchfaultonthewestofXiaojinhefault.(3)Thefocalmechanismofthethreeearthquakeswithmagnitudegreaterthan4.0issignificantlydifferent,withtheshallowsourcethrusteventsaffectedbyverticalstress,andthestrike-slipeventsarerelatedtoregionalstresstectonicactivity.

  • 标签: 小震群 四川省 活动特征 木里 地震空间分布 震源机制
  • 简介:MomenttensorsolutionswereretrievedfortheearthquakeswarmthatoccurredduringNovemberandDecember2010intheBoshanminingarea,ShandongProvince,China.Theresultsshowedthatthedouble-couplecomponentsinthesourcemechanismswerehigheratthebeginningoftheswarmandconsistedmainlyofshearfaultingcontrolledbytectonicstress.Thesubsequenteventshadsignificantnon-double-couplecomponents,indicatingtensilefaulting.Thedouble-couplecomponentspredominatelypresentedasnormalfaultingandthePaxeswereorientatedalmostvertically.Theslipvectorsoftheswarmeventswererelativelystable.Withreferencetothetectonicfeaturesneartheepicenter,weconcludedthattheswarmwasaresultofsubordinatefaultmotionrelatedtotheWangmuMountainfaultandthathigh-pressureporefluidsplayedacrucialroleintheactivityoftheearthquakeswarm.

  • 标签: 波形反演 地震群 山东省 矿区 异常 构造特征
  • 简介:福雷斯特植被碳模式为评估碳排放和累积是重要的。许多方法被用来然而,在以前的研究模仿森林植被碳存货的模式无常显然在不同方法的结果之间存在,甚至在不同研究的一样的方法的估计。三个以前的方法,包括空气植被相互作用模型2(AVIM2),Kriging,卫星数据基于的途径(SBA),和一个新方法,当模特儿的高精确性表面(HASM),被用来在中国在江西省模仿森林植被碳股票模式。交叉验证被用来评估方法。省的规模上的四个方法的无常和适用性被分析并且讨论。结果分别地证明HASM有最高的精确性,它在50.66%,33.37%和28.58%改善了,与AVIM2,Kriging和SBA相比。森林生物资源碳存货的模拟的无常主要从为错误,采样错误和森林区域的统计错误建模被导出。全部的森林碳存货,碳密度和江西的森林区域是288.62Tg,3.06kg/m2和94.32湡穩瑡潩n

  • 标签: 森林碳存货 HASM AVIM2 KRIGING 卫星数据基于途径(SBA )
  • 简介:Thehazardassessmentofpotentialearthquake-inducedlandslidesisanimportantaspectofthestudyofearthquake-inducedlandslides.Inthisstudy,weassessedthehazardofpotentialearthquake-inducedlandslidesinHuaxianCountywithanewhazardassessmentmethod.ThismethodisbasedonprobabilisticseismichazardanalysisandtheNewmarkcumulativedisplacementassessmentmodel.Themodelconsidersacomprehensivesuiteofinformation,includingtheseismicactivitiesandengineeringgeologicalconditionsinthestudyarea,andsimulatestheuncertaintyoftheintensityparametersoftheengineeringgeologicalrockgroupsusingtheMonteCarlomethod.Unlikepreviousassessmentstudiesongroundmotionswithagivenexceedanceprobabilitylevel,thehazardofearthquake-inducedlandslidesobtainedbythemethodpresentedinthisstudyallowsforthepossibilityofearthquake-inducedlandslidesindifferentpartsofthestudyareainthefuture.Theassessmentofthehazardofearthquake-inducedlandslidesinthisstudyshowedgoodagreementwiththehistoricaldistributionofearthquake-inducedlandslides.Thisindicatesthattheassessmentproperlyreflectsthemacroscopicrulesforthedevelopmentofearthquake-inducedlandslidesinthestudyarea,andcanprovideareferenceframeworkforthemanagementoftheriskofearthquakeinducedlandslidesandlandplanning.

  • 标签: 地震滑坡 灾害危险性 评价方法 滑县 概率地震危险性分析 危险性评估
  • 简介:Centralvillageselectionisthepriorityofsmalltownconstruction.Dependingonthedevelopmentpotentialanalysis,classificationanalysis,andquantitativeandqualitativeanalysis,thisarticlesystematicallyproposesthespecificmethodsofcentralvillageselectionandalsoconstructstheindicatorsystemusedincentralvillageselectioninsmalltownsofwesternunderdevelopedregioninChina.ThearticlealsoputsforwardideasandmethodsforselectionofcentralvillageinthewesternunderdevelopedregionthroughanempiricalresearchonLidianTown,JingningCounty,GansuProvince.Inthefinalpart,suggestionsandrecommendationsonhowtodevelopcentralvillageforLidianTownaremade.

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  • 简介:TheHuashixiaareaintheMadoiCounty,QinghaiProvince,westernChinaisoneofthemostimportantareasforthestudiesoftheformationandevolutionoftheA’nyemaqenmélangezoneduetothewellexposed,relativelycompletetectonostratigraphicsuccessions.However,thetimingandevolutionaryprocessoftheA’nyemaqenpaleo-oceanhaslongbeenpoorlyunderstood.Recently,weobtainedabundantradiolariansfromthesiliceousrocksoftheMaerzhengFormationofthismélangezoneinHuashixia.Total19speciesin10radiolariangenerahavebeenidentified.TheybelongmainlytotheAlbaillellaria,Spumellaria,Entactinaria,andLatentifistularia.Fourradiolarianassemblagezonesareestablished,including:thePseudoalbaillellarhombothoracata,Pseudoalbaillellascalprata,Ruzhencevispongusuralicus,andFollicucullusbipartitus-Follicucullussp.cf.F.ventricosuszones.RadiolarianfaunalcorrelationssuggestalateArtinskian–earlyKungurianageandlateCapitanian–earlyWuchiapingianageforthefirsttwozonesfromthelowerpartandthelasttwozonesfromtheupperpartsoftheMaerzhengFormation,respectively.AllradiolariansaretypicalofdeepwaterelementslivingindeepoceansinlowlatitudesduringthePermian.Previously,theradiolariansofEarlyCarboniferoustoEarlyPermianageandfusulinidsofEarly–MiddlePermianagehavealsobeenreportedfromtheA’nyemaqenmélangesuccessions.ThecombinationofthenewlyfoundradiolarianswiththepreviouslyreportedfaunalandmicrofloralassemblagesaswellasradiometricagesobtainedfromthesamestratigraphicunitsindicatesthattheA’nyemaqenpaleo-oceanmayhaveopenedinitiallyduringtheEarlyCarboniferous,expandedfromtheEarly–MiddlePermian,reacheditsacmeintheearlyLatePermian,shrunkduringthelatestPermiantoEarlyTriassic,andeventuallywasclosedintheMiddleTriassic.

  • 标签: 放射虫硅质岩 阿尼玛卿 中国西部 二叠纪 花石峡 玛多县
  • 简介:Background:Around2000plantspeciesoccurnaturallyinLorestanProvinceofwhich250speciesaremedicinalandmyrtleisoneofthem.Myrtleisashrubwhoseleavesandfruitshavemedicinalvalueandthus,ifmanagedandharvestedproperly,couldproducesustainedeconomicbenefits.Inrecentyears,however,overhalfofthemyrtlesiteareaswasdestroyed,duetoinappropriatemanagementandexcessiveharvestingpractices.Thus,comingupwithapracticalharvestingapproachalongwithidentifyingthosefactorsdamagingthesites,seemstobeverycrucial.Methods:Inourinvestigation,wecalculatedtheconservationvalueperhectareofmyrtleintheDoorehforestareainLorestanProvince.UsingtheContingentValuation(CV)andDoubleBoundedDichotomousChoice(DBDC)methods,wedeterminedthewillingnesstopay(WTP)formyrtleconservation.TheWTPwasestimatedwithalogitmodelforwhichindiceswereobtainedbasedonamaximumprecisioncriterion.Results:Theresultsshowedthat86.67percentofpeoplewerewillingtopayfortheconservationofthesemyrtlesites.AveragemonthlyWTPperfamilywascalculatedas$0.79.TheannualconservationvalueintermsofWTPforthepreservationofthemyrtlesitesinDoorehwasestimatedas$102,525.Amongthevariablesofthemodelpresented,educationhadapositiveimpact,whiletheamountproposedforpaymentandfamilysizehadanegativeimpactontheWTP.Conclusions:Ourestimateofthevalueofmyrtleconservationshouldprovidejustificationforpolicymakersanddecisionmakingbodiesofnaturalresourcestoimplementpoliciesinordertoconservethenaturalsitesofthisspeciesmoreeffectively.

  • 标签: 条件价值评估法 保护价值 估计模型 桃金娘 森林地区 伊朗
  • 简介:TheultramaficdikesintheTarimlargeigneousprovince(TarimLIP),exposedintheXiaohaiziareainthenorthwesternTarimBasinofnorthwesternChina,haveporphyritictextures,andtheolivineandclinopyroxeneareasthemajorphenocrystphases.Thegroundmassthereinconsistsofclinopyroxene,plagioclaseandFe-Tioxides,withthecryptocrystallinetexture.TheolivinephenocrystsinonetypicalultramaficdikehaveFo(Mg/(Mg+Fe))numbersrangingfrom73to85,whicharenotinequilibriumwiththeolivine(Mg#of89)fromthehostrockcrystalized.Combinedwithmicroscopeobservation,boththeolivineandclinopyroxenephenocrystsaswellassomeFe-Tioxidesintheultramaficrockareaccountedascumulates.Theliquid(parentalmagma)compositionofSiO2of45.00wt.%–48.82wt.%,MgOof9.93wt.%–18.56wt.%,FeOof5.85wt.%–14.17wt.%,CaOof7.54wt.%–11.52wt.%,Al2O3of8.70wt.%–11.62wt.%andTiO2of0.00wt.%–3.43wt.%intheXiaohaiziultramaficrockwasestimatedbymassbalance,andtheresultsshowareasonableliquidproportioninthecumulate-bearingultramaficdike(ca.45%–60%inthewholerock).Theestimatedparentalmagmacompositioncorrespondstoameltingtemperatureof1300–1550oC,whichisequalorhigherthanthoseofanormalasthenospheremantle,supportingtheinvolvementofamantleplume.Combinedwithotherpreviousstudies,anevolutionmodelfortheformationprocessesoftheXiaohaiziultramaficdikeoftheTarimLIPisproposed.

  • 标签: 塔里木盆地 超镁铁质岩 中国西北部 大火成岩省 岩浆演化 熔化温度
  • 简介:WeperformedasystematictraceandrareearthelementanalysisforthebeddedFe-MncarbonaterocksrelatedtothestratiformAg-Pb-ZnmineralizationintheLengshuikengoredistrict,JiangxiProvince,SouthChina.ThreetypesofFe-Mncarbonatesaredistinguished,namely,themassive,breccia,andveintypes.Bothcarbonateandsilicatefractionsinthesamplesareanalyzedfortheirtraceandrareearthelementconcentrationsusingastepacid-leachingtechnique.OurresultsshowthatthecarbonatefractionsinthemassivetypesampleshavethelowestREEconcentrationsbutpronouncedpositiveEuandYanomalieswithEu/Eu*valuefrom1.3to6.2andY/Hovaluefrom40.1to59.5,andsimilarcharacteristicsarealsoshownforthesilicatefractionsinthemassivetypesamples(Eu/Eu*=1.0–6.7,Y/Ho=20.7–55.1).TheseREEcharacteristicsaresimilartothoseofSedextypemassivesulfidedepositsworldwide,andwesuggestthatthemassivetypeFe-Mncarbonaterockswerelikelyformedfromanexhalativevolcanic-hydrothermalfluidfeedingthedepressionbasinofavolcaniclake.Thehighconcentrationsofredox-sensitiveelementsandratiossuchasU/Th,V/CrandV/(V+Ni)indicateadysoxicenvironmentfortheFe-Mncarbonatedeposition.Incontrast,thebrecciatypeandveintypeFe-Mncarbonatesamplesshowdifferenttraceandrareearthelementfeaturesfromthoseofmassivetypesamples,andtheyaremoresimilartothevolcanicrocksandmagmatic-hydrothermalfluidsintheLengshuikengoredistrictandmayreflectstrongoverprintingfromvolcanicandsub-volcanicmagmatismrelatedtotheporphyrytypemineralizationinthedistrict.

  • 标签: 稀土元素特征 碳酸盐岩 微量元素 冷水坑 银铅锌 江西省