简介：The22ndIASMeetingofSedimentologywasheldintheConventionCentreoftheGrandHotelAdriatic,inasmalltouristictownOpatija,locatedontheeasternAdriaticcoastwhereCentralEuropeandtheMediterraneanmeet.ItwasthesecondIASMeetingheldinCroatia--thefirstone,4thIASRegionalMeetingofSedimentology,washeldinSplitin1983.TheMeetinginOpatijawasorganizedbytheInstituteofGeology(Zagreb)andtheCroatianGeologicalSociety.ThesponsorwasMinistryofScienceandTechnologyoftheReoublicofCroatia.

简介：The2ndMid-EuropeanClayConference(MECC'04)washeldbetween20-24thSeptember2004,inMiskolc,Hungary.Theideatoholdcommonconferenceswasacceptedbythenationalclaygroupsoffourneighbouringcountries,Poland,Slovakia,HungaryandCroatia,duringtheEUROCLAYMeetinginCracow,Poland,in1999.Thefirstconferencewasheldin2001atStaráLesná,intheHighTatraMts.inSlovakia.

简介：ItwasagreatpleasuretobeinbeautifulFlorencewithover7,000geoscientstswhohadregistered.Iwasverymuchinvolvedintwosymposiaongeoethicsandgeoeducation.Theybothwentverywell,butitwasinterestingthatthegroupswhocameweresmall.Inourdiscussionapointofagreementwasthatwemustattackthegreatglobalproblemssuchasvastmalnutritionandthefactthatmostoftheworldpopulationhasproblemswithfoodandwaterresources,notgold!,

简介：TheanalysisofavailableNdisotopedatafromtheTanzaniaCratonplacesimportantconstraintsonthecrest-mantleseparationages,andeventsmarkingjuvenilecrustaladditionandcrustalrecycling.Ndmodelagesdatetheoldestcrustextractionto3.16GaintheTanzaniaCraton,althougharockrecordofsuchantiquityisyettobefoundthere.Themostsignificantperiodofjuvenilecrustaladditionaswellascrustalrecyclingis2.7-2.6Ga.TheNdisotopesofmariesamplesshowthatchemicalheterogeneityexistedinthemantlebeneaththeTanzaniaCraton,withsomesamplesoriginatingfromsignificantlydepletedmantle,andmostsamplesoriginatingfromthemixtureofprimitivemantleanddepletedmantle.TheNdisotopesectionrevealssignificantdifferencesinNdisotopesbetweenthenortheratonandcentralcraton;comparedtothenorthcraton,thecentralcratonyieldsaNdmodelagethatisapproximately100Maolder,anditsεNd(t)valuesaremorenegative,indicatingthatthetwopartsofthecratonhavedifferentmantlesourceregions.DifferenttypesofgranitoidsaredistributedintheTanzaniaCraton,suchashigh-Kandlow-Algranite,ealc-alkalinegranite,peraluminousgraniteandtransitionaltypesoftonalite-trondhjemite-granodiorites(TTGs).Mostofthegranitoidsformedlaterthanthemarierocksinsyn-collisionandpostcollisionevents.

简介：Sm-NdandRb-Srwhole-rockisochrondatingofthesamplesofcumulatedgabbro,diabaseandandesiticporphyritefromtheArmantaiophiolite,Xinjiang,yieldedtheagesof561±41(Ma(εNd(t)=6.1)and392±17Ma(87Sr/86Sr)i=0.7041],whichstandfortheagesofcreationandlatermetamorphismoftheophiolites,respectively,ThecreationenvironmentoftheArmantaiophiolitesseemstoaback-arcbasincausedbythesouthwardsubductionofthetheArmantaiophiloitesseemstoaback-arcbasincausedbythesouthwardsubductionofthepalaeo-AsiaOcean.

简介：北方中国古地台(NCC)的北边缘的中间的片断在Damiao-Changshaoying区域主要由变形太古代的Dantazi建筑群，PaleoproterozoicHongqiyingzi复杂andunmetamorphosedgabbro-anorthosite-meta-alkaline花岗石，以及变形迟了的Paleozoicmafic组成到granitoid岩石。～2.49GaDantazi复杂comprisesdioritic-trondhjemitic-granodoritic-monzogranitic片麻岩在角闪岩变形了到granulitefacies。石油化学的特征表明大多数岩石属于媒介--tohigh钾计算碱的系列，和显示Mg~#不到40，衰退权利的REE模式没有到在使primitivemantle正常化的蜘蛛图的显然积极的Eu异例，显然否定的Th，Nb，Ta和Ti异例，到-0.03,和弄空的披风的ε_(Nd)(t)=+0.65为agesT_(DM)=2.78-2.71Ga建模。在岩石成因论的学习显示岩石从从在一个大陆人边缘背景的再循环的外壳的mafic岩石的部分融化从弄空的披风和granitoid岩浆在mafic岩浆之间混合的magmatic被形成。2.44-2.41GaHongqiyingzi建筑群被变形mafic-granodioritic-monzogranitic片麻岩统治，显示到Dantazi建筑群的类似的石油化学的特征，对高钾也就是中等计算碱的系列，和mafic岩石在LILE，否定Th，Nb，Ta，Zr异例和积极Panomalies显示出明显的变化。并且另外的granitiod样品也展出否定Th，Nb，Ta，P和Ti异例。在Hongqiyingzi复杂表演的Allrocks没有Eu的衰退权利的REE模式异例。有ε_(Nd)的Themetamorphicmafic岩石(t)=-1.64不能是有granitoids的一个相同magmatic系列有(t)+3.19珍视到+1.94和2.55-2.52Ga的T_(DM)年龄的ε_(Nd)。Thesegranitic岩石从在一个弧形列岛的外壳的mafic岩石设置的少年的部分融化从弄空的披风和岩浆从在mafic岩浆之间的混血儿发源。11妈LatePaleozoic变形mafic摇的所有～3和相关花岗石的岩石显示出一个中等钾的calc-alkalinemagmatic进化系列，由高Mg~#，显然否定的Th�

简介：Guandishangranitoids与不同规模主要由各种各样的granitoid侵入组成包括Huijiazhuang侵入，Shizhuang侵入和Hengjian侵入，它在1906妈和1848妈之间被形成。根据地质并且petrologicalcharacteristics，这些granitoids能被分类进二个组：更早的gneissicgranodiorites和monzogranites，和以后巨大的leuco-monzogranites。他们的geochemical和Ndisotopic特征显示他们能作为剩余阶段与大陆人弧材料的一种亲密关系，并且与石榴石，辉石，角闪石和斜长石从复杂部分融化ofsupracrustal岩石被导出，例如沙的页岩和泥质岩。黑云母，长石和另外的矿物质在岩浆进化期间是最可能的fractionated。他们的来源可以与大陆人弧有一种亲密关系，并且granitoids能从主要syn-collisionaltolate-orogenic被导出构造环境，它可能与在在北方中国古地台的东方、西方的大陆块之间的最后的合并有关。

简介：介绍了一种仅用销模Nd:YAG振荡器进行的卫星激光测距实验。此类振荡器的倍频输出可达5－10mJ(532nm），脉宽50－100ps。整个振荡器仅采用一支氙灯和一支Nd：YAG棒，体积紧凑、小巧，重量仅32kg。接收望远镜口径为60cm，单光子雪崩二极管接收器。本系统对8000km远的Lageos-1,Lageos-2两颗卫星进行了成功的测距。

简介：

简介：WhileattendanceatpreviousIGC'swasremarkable,themorethan7,000earthscientists,exhibitorsandguestswhometinFlorenceforthe32^ndInternationalGeologicalCongresssetanall-timerecordasthehighestnumberofparticipants.Theycamefrom120countriesand75%werenotItalian.Thisproportionofforeignattendeeswasthelargestever;inlinewithatrendofincreasingnonlocalparticipation,ittestifiestothevitalityandinternationalcharacteroftheIGCs.

简介：Hydrothermalchimneyisaproductofhydrothermalactivityontheseabed.ChimneysamplesdredgedfromJadehydrothermalareainIzenadepressionoftheOkinawaTrough,arecharacterizedbyrelativelyenrichedlightrareearthelements(LREE)andstronglypositiveEuanomalies.87Sr/86Srand143Nd/144Ndofthesesamplesareexactlybetweenthoseofseawaterandofacidicpumice,averagedat0.708928and0.512292,respectively.ThesecharacteristicsimplythatthemainsourceofhydrothermalsulfideatJadeareaispossiblytheundersurfaceacidicrocks.Themineralizingmechanismcanbesummarizedasfollows:LargeamountofmineralizedmaterialwouldbeleachedoutandLREEenrichedhydrothermalsolutionwouldbesubsequentlyproducedasaresultofthermo-chemicalexchangereactionbetweenacidicvolcanicrocksandheatedseawaterthatpenetratedinadvancefromupperwatermass.ThespurtingoutfromtheseabedandquicklycrystallizingintheseawaterofhydrothermalsolutionareresponsiblefortheformationofCu-Znsulfideandbarite-amorphousSiO2mineralsthatarecharacterizedbyenrichedLREEandpositivelystrongEuanomalies.

简介：Lanzhou,China,Sept.22-25th,2001(Firstcircularannouncement)Jointlyorganizedby:IALE-China;IALE-AustraliaColdandAridRegionsEnvironmental&EngineeringResearchInstitute,CASProgrammeCommittee:RichardHobbs(Australia),XiaoDuning(China)NobukazuNakagoshi(Japan),Sun-KeeHong(Korea),ParidaKuneepong(Thailand),ElenaKlimina(Russia),KalpanaBhakuni,(India),ZhanZhiyong(HongKong,China),Chun-YenChang(Taibei,China)ObjectivesandTopics:ATheoreticalaspectsandquantitativeapproaches(Landscapepatternandprocesses,Landscapemodeling,GISandRemotesensing).BLandscapechangeanddrivingforces(Monitoringoflandscapechanges,Humanactivityandlanduse,Cultureandlandscape).CLandscapemanagementandreconstruction(Ecologicalrestorationofnaturalareas,Landscapeplanninginruralareas,Ecologicalriskandsecurityassessmentforcatchments,Ecologicalengineeringinagriculturallandscapes).DEnvironmentprotectionandecologicaldevelopmentinwesternChina(Managementofoasislandscape,desertlandscapeanddesertificationcontrol,Biodiversityconservation,landscapeResourcesandtourism).EUrbanlandscapeecologyPreliminaryconferenceprogram:September22,arrivalinLanzhou,Registration.September23,plenarysessions;September24,in-conferenceexcursion(Lanzhoucity)September25,parallelsessionsWorkinglanguage:EnglishPostconferenceexcursions:September26-29,2001No.1SilkRoadandAridRegionLandscape:Desert,Oasis,andDunhuang.No.2Qinghai-Xizang(Tibet)Plateau,Meadow,SaltLakeandQinghaiLake,CoolDesertNo.3WorldNaturalHeritege:Jiuzhaigou,SichuanProvince(ForestandWaterfall)Callforpapers:Participantsintendingtopresentapaperoraposterduringtheconferencearerequestedtosendanabstract(nolongerthan500words)asemailorTXTformatattachmenttotheconferencesecretary(Landscape2001@sina.com).Or,youcansendthehardcopyto:Dr.CAOYu,InstituteofAppliedEcology,CAS,P.O.Box417,S

简介：WudalianchivolcanicrocksarethemosttypicalCenozoicpotassicvolcanicrocksineastenChina.Compositionalcomparisonsbetweenwholerocksandglassesofvariousoccurrencesindicatethatthemagmatendstobecomerichinsilicaandalkalisasaresultofcrystaldifferentiationinthecourseofevolu-tion.TheyareuniqueinisotopiccompositionwithmoreradiogenicSrbutlessradiogenicPb.^87Sr/^86Srishigherand^143Nd/^144Ndislowerthantheundifferentiatedglobalvalues.Incomparisontocontinentalpot-ashvolcanicrocks,Pbisotopesareapparentlylower.Thesevariousthreadsofevidenceindicatethattherockswerederivedfromaprimaryenrichedmantlewhichhadnotbeensubjectedtoreworkingandshowsnosignofincorporationofcrustalmaterial.ThecorrelationbetweenPbandSrsuggeststheregionalheterogeneityintheuppermantleintermsofchemicalcomposition.

简介：摘要：本方法主要针对室内建筑大空腔环境下球幕影院中声学扩散体在安装中对于安装精准性的问题。利用BIM 技术结合ODEON测试模拟相结合的方式完成对声学T3混响、C8清晰度、SPL声压级、EDT早期衰减参数构建精确物理模型及仿真数据。从而指导并且定位安装声学扩散体。帮助施工人员快速准确地预测和计算整个室内场景中的声学性能，从而更好地进行声学方案设计和优化。

简介：ReportedinthispaperaretheNdisotopiccompositionsofthepre-SinianandSinian-CambriansedimentaryrocksintheXiushuiarea,JiangxiProvince.SignificantdifferencesarenoticedbetweenthemintheirNdisotopicdompositions.Asforthepre-Sinianlightlymetmorphozedsedimentaryrocks,^143Nd/^144Nd=0.512000-0.512214,CNd(T)=-8.04-9.99,andTDM=18332426MaaresuggestedfortheSinian-Cambriansedimentaryrocks.ThesedifferenceswouldreflectthediversityofmaterialsourceforthesedimentaryrocksdepositedbeforeandaftertheSinianperiod.Mantlematerialap-pearstohavebeeninvolvedintheformationofthepre-Siniansedimentaryrockswhilethepost-Siniansedimentaryrocksarecomposedmainlyofrecycleddetritusfromthecontinentalcrust.

简介：Themajorelements,traceelements,K-ArageandSr-Nd-PbisotopicsystemsoftheCenozoicvolcanicrocksinDaheishanIslandandCishan,Penglai,ShandongProvincearemeasured.Thevolcanicrocks(olivine-nepheliniteandnepheline-basanite)inDaheishanIslanderuptedperiodicallyinanintervalof0.32Ma,from8.72Ma,8.39Ma,8.08Mato7.73Ma.ThevolcanicrocksareallrichinlightREEs.TheyaresimilartotheOIB-typealkalibasaltinthetraceelementsnormalizedmodelbyprimordialmantle:richinhighfieldelementssuchasNbandTa,andimcompatibleelementssuchasCs,Rb,Ba,Th,U.ThevolcanicrocksshowadepletionofKandRbelements.Itissuggestedbythetraceelementsthattheolivine-nepheliniteinDaheishanIslandisoriginatedfromdeepresourcesunderthecontinentalmantle.εNd(0)valuesofthevolcanicrocksinDaheishanIslandandCisbanare5.31～8.51and7.33respectively,suggestingthatthevolcanicrocksarefromthedepletedmantleresources,whichhavehigherSm/NdratiosthantheCHUR.143Nd/144NdratiosofDaheishanIslandolivine-nepheliniteandCishanalkalibasaltsare0.512910～0.513074and0.513014respectively.The87Sr/86SrofDaheishanIslandvolcanicrocksarelowerthanthatofCishan,0.703427～0.703482and0.703895respectively.TheDaheishanIslandolivinenephelinitehasthePbisotopicvaluesasfollows:206Pb/204pb=18.0289～17.9728,207Pb/204pb=15.4358～15.4022and208Pb/204Pb=38.0876～37.9975,lowerthanthoseofCishanbasanite.TheCishanbasanitehas206Pb/204pb=18.2401,207Pb/204Pb=15.5645and208Pb/204pb=38.535.Theauthorssuggestthattheolivine-nepheliniteinDaheishanIslandissimilartotheE-typeMORBorHawaiiOIB,andthealkalibasaltsinCishansimilartotheKerguelenOIB.ThedominantmantlecomponentsofDM+PREMAandperhapsDM(Dupaltype)arethedominantmantlecomponentsforvolcanicrocksinDaheishanIslandandCishan.ThePREMAcomponentplaysanimportantrole.

简介：Inapreliminaryinvestigation,RandomAmplifiedPolymorphicDNA(RAPD)analysisandpartialmitochondrialND2genesequencingwereconductedtostudythegeneticvariationoftheIndianmackerel,Rastrelligerkanagurtaalonga450kmstretchofitsdistributiononthewestcoastofPeninsularMalaysia.Atotalof53individualsfrom6populationswereanalyzedusing4RAPDprimersandasub-sampleof15individualswaschosenforsequencingofpartialND2gene.Comparisonbetweenthe2markersrevealedgeneticstructuringintheRAPDresultsbutgenetichomogeneityforND2gene.Basedontheformertheremaybeatleast2geneticallydifferentiatedgroupsofRastrelligerkanagurtaalongthisstretch.

简介：摘要：音乐在电影中有着举足轻重的地位，好的电影音乐不但能刻画人物的性格、升华电影主题思想，更能引起观众情感的共鸣，展现出它独特的魅力。

简介：Severalpre-andpost-congressfieldtripswereorganizedinconnectionwiththe32ndInternationalGeologicalCongressheldinFlorence,Italy,duringAugust,2004.Oneofthese,thePrestigeFieldTrip(PR01--AtraversethroughCentralAsiaranges,fromtheIndianplatetotheKarakorum)lastedfor16daysfrom21Juneto6July.M.GaetanioftheUniversityofMilan(Italy)actedasLeaderandoverallOrganizer,withA.Zanchi(Univ.Milano-Bicocca),M.Q.Jan(Univ.ofPeshawar,Pakistan)andM.N.Chaudhry(PunjabUniversity,Pakistan)asAssociateLeaders.LocallogisticsweretakencareofbytheAdventureTours,Pakistan.

简介：南方Qinling构造的带(SQTB)在Shangzhou-Danfeng和Mianxian-Lueyang缝术之间被定位。在它的中间的片断有很多早中生代granitoidplutons，包括在在西南的东北，在中央部分的Huayang-Wulong-Laochenggranitoidplutons，在西北的Xibagranitoidpluton和Guangtoushan-Liubagranitoidplutons的Dongjiangkou-Zhashuigranitoidplutons。这些Indonisiangranitoids包含各种各样的规模mafic被外国领地包围的土地的一个团，它与他们的主人granitoids显示出有时清楚的边界和有时过渡的边界。这些granitoids也从low-Ktholeiite系列展出metaluminous到peraluminous系列，通常更高的Mg#和大量石油化学，通过mid-K和high-K，到shoshonite系列的计算碱的系列和支配的样品被归因于mid-K和high-K计算碱的系列。在Sr-Nd同位素的systematics和石油化学的详细分析表明可以有Indonisiangranitoidplutons的地区性起始的granitoid岩浆，包括Dongjiangkou-Zhashui，Huayang-Wulong-Laocheng，Xiba，和Guangtoushan-Liubagranitoidplutons，它被岩浆的混血儿在各种各样的度生产，并且起始的岩浆在SQTB从披风和更低的大陆人外壳(LCC)来源被导出。起始的granitoid岩浆进一步在他们的炮兵阵地期间与上面的外壳的材料从LCC，结晶化分别，和吸收做了与岩浆混合的岩浆在SQTB生产这些granitoidplutons。这些magmatism过程是最可能的发生在大陆下面边缘的弧和syn碰撞到碰撞以后的构造背景。