简介：Ｃｏｍｐｒｅｈｅｎｓｉｖｅｉｎｄｉｃｅｓｏｆｅａｒｌｙｊｕｄｇｅｍｅｎｔｆｏｒｅａｒｔｈｑｕａｋｅｓｅｑｕｅｎｃｅｔｙｐｅｂｙｐａｔｅｒｎｒｅｃｏｇｎｉ┐ｔｉｏｎＣＵＩ－ＹＩＮＧＺＨＯＵ１）（周翠英），ＹＵ－ＸＩＡＺＨＡＮＧ２）（张宇霞），ＨＯＮＧ...

简介：TheSingaporeseimicnetworkandtheseismicityofSingaporearebrieflydescribed,thefourtremoreventsexperiencedbySingaporearediscussedandthegroundresponsesofdifferentstationsarecompared,Thetremorincidentstandingoperationprocedureisalsoprsented.

简介：

简介：Inthispaper,researchofaftershockmechanismsisreviewed,includingheterogeneityofmediumandstress,mechanicalloading,fluidintrusionandstresscorrosion,andratestatedependence.Previousstudieshaveindicatedthattheheterogeneityofmediaandstressisthebasicpremiseofaftershocksgenerated.Fromthepointviewofmechanics,transientcreepandafterslipcanexplainthedecayofaftershocksinashorttimeafteramainshockandtherelaxationofstresstendstointerpretthecharacteristicsoflong-termaftershocks.Fluidintrusionandstresscorrosioncontroltheevolutionprocessoftheaftershocksundercertainconditions.Theinteractionbetweenthefaultsperturbedbythemainshockalwaysexistsduringtheaftershockactivities.Allkindsofmodelsandthetheorieswanttocomplywiththetwobasicpower-lawrelationships---theG-RlawandOmorilawtosomeextent.

简介：Chinaisthecountrywiththemostearthquakesandthemostserioushazardsfromcontinentalearthquakesintheworld.Duringthe1960sand1970s,aseriesofstrongearthquakesattackedthecitiesandcountiesinChinacausinggreatdamageandmanycasualties.ThemoststrikingonewastheTangshanearthquake(Ms7.8)inJuly1976,inwhichover240,000peoplediedandalargeindustrialcitywasleveled.Publicdemandforearthquakeforecastingsurgedafterthisdisaster.Fromthemid-1960s,systemicresearchonearthquakeforecastinghasevolvedthroughoutthecountry,InthispaperthemainadvancesinearthquakepredictionresearchinChinahavebeensummarized.

简介：Thetectonicmovementathumanscalehasnotbeenfullyunderstoodyet,especiallyforactivetectonics,althoughitisthebasistostudynaturalhazardsandenvironmentalvariations.Manynationalandinternationalscientificplansrelatedcloselytoactivetectonicsresearchhavebeenmadeinthepasttenyears.Thispaperbrieflysummarizedthebackgroundoftheundertakingofactivetectonicsresearch,itsadvancesandexistingproblems,andthekeypointsinitsfuturestudiesarealsopointedout.TheemergingofnewtechnologiesliketheEarthObservingSystem,DigitalSeismologyandsoonprovidesunusualopportunitiesfortectonicresearch.Itisemphasized,however,thatcarefulanalysesandbuildingupofnewtheoreticalframearesillthekeyproblemsforstudiesofactivetectonics,especiallyforactivetectonicsinChina'scontinent.

简介：Beginningwiththeanalysisofthebehaviorofnaturalants,thispaperilluminatestheprincipleandmethodthat,byadoptingimagetextureenergyaspheromoneandfindingtheirwayonthetrackofthepheromone,artificialantshavetheabilitytoidentifyandrememberthroughsimilarmeasurementofpheromone.Basedonthequantityofexperiments,thispaperanalyzessomefactorsthatinfluencetheabilityofartificialantsanddrawssomeconclusionsaboutthelawofantperception.

简介：与地区性的人口生长，社会经济的开发，越来越多的注意在国际河里在水资源的发展期间在分享的水分配和transboundaryeco-securityconservation上对问题被给予了。在这篇论文，在亚洲的不同分区的transboundary水上的存在主要问题transboundary例如水缺乏，浇污染，易碎的eco环境被讨论。然后，在下一研究要担心的关键科学问题根据新研究方向的分析进行，焦点领域被提起：(1)unpredicted逻辑和水系统，和他们分享的分配上的影响由全球变化浇的水疗院变化；(2)在国际、国家的水的研究上在国际河里国际合作当模特儿法律或规定，政策，相对经验和案例研究；(3)国际水路系统的环境流动，有效水分，和全面函数和值上的quantificational评价；(4)在规则和原则下面的transboundaryaquaticbio差异维护，transboundary污染管理和处理上的研究由河边的国家接受了；(5)在“为使用的支付”的规则在transboundary上发出赔偿，“为伤害的支付”和“为利益的赔偿”；(6)使用推进了3Stechniques支持综合分水岭发展和管理；等等。

简介：TheWorldAssociationofSedimentationandErosionResearch(WASER)establishedtheAwardfordistinguishedcontributionstosedimentresearchin2004.ThisawardistoprovideinternationalrecognitionfordistinguishedcontributionstothesedimentstudiesthroughoriginalandilluminatingresearchpaperspublishedintheInternationalJournalofSedimentResearch.Sevenpaperspublishedin2004-2009havebeenawardedthedistinguishedcontributionsawardin2007and2010.Aselectioncommittee,consistsof7scientistsfrom6counties,wasestablishin2012,whichscreened125paperpublishedinInternationalJournalofSedimentResearchduring2010-2012.Copiesof15papersintheshortlistweresenttomembersofthecommitteeandeachmemberwasrequestedtorecommend3papersfortheaward.ThevotingforthedistinguishedcontributionsawardstartedfromNovember1,2012viaemail.Allmembersoftheselectioncommitteehavereadthepapersandvotedfortheawardbasedonscientificmeritsofthesepapers.UptoJanuary10,2013,allthesevenmembershavesentbacktheirvotes,andtheresultsarethereforevalid.Thefollowing

简介：ThewetlandtourisminChinahasbeenoneofthemostpopulartourismsasitsfastgrowthinChinainrecentyears.Thesignificanceofthewetlandtourismresearchforthelocalsustainabledevelopmentwasnoticedandhavesummarizedthisreviewin3aspects:resources,includingassessment,resourcesandproductsdevelopment;planning,includingtheorientationofwetlandtourism,thelandscapeplanningandapplicationofscienceandtechnology;andmanagement,includingtourismcapacity,environmentalevaluation,theecologicalcompensationandthepublicparticipation.ThewetlandtourismresearchinChinaisinsufficientinthefollowingfields:thedepthofextensivestudies,theapplicationofmathematics,theobjectiveplanningandtheevaluationofecologicalinfluence.Whatshouldbemorenoticedinthefutureresearchisthatitisconsideredaslandscapeecology,landscapeplanningandtherelevantwetland-structurecontrolling,theenvironmentandlandscapepatternchangecausedbytourism,tourismriskevaluation,theeconomicsandsociologyresearchinwetlandtourism.

简介：Theinfluenceofdiffuserparameters,includingtheriserspacing,portnumberinariser,injectionangle,portarrangement,etc.,onthesurfaceinitialdilutionisexperimentallyinvestigated.Therelativedensitydifferencebetweentheeffluentandtheseawaterinthemodelisthesameasthatintheprototype,andtheeffectofthecrosscurrentissimulatedbyaninversemodeltechnique.Basedontheresultanalysis,thearrangementwithmoreportsinariserandlargerriserspacingissuggestedtosaveconstructioncost.TherelationshipbetweentheReynoldsnumberbasedontheportdiameterandvelocity,andthesurfaceinitialdilutionisalsoexplored,andthecriticalReynoldsnumberisproposed.

简介：

简介：Thisarticlediscussestheinteractionofanilineandoceanalgaebasedonthestandardappraisalmethodofchemicalmedicineforalgaetoxicity.Itisshowedbyexperimentalresultsthatanilinehasprettytoxiceffectsonalgae.Suspendedsubstancesinwatercanoffsetsomeeffectsofaniline.Italsodiscussesthedynamicconstantoffirstorderdegradationreactionrateofalgaeonanilinefromthepointofviewofchemicaldynamics.

简介：UNAVCOsupportsgeoscienceresearchat113USacademicMemberinstitutions,andanother104AssociateMemberinstitutionsincludeinternationaluniversities,laboratories,observatories,academiesofscience,andamuseum.ThisdiversemembershipsharesUNAVCO’spurposeathomeandabroad,givingUNAVCOglobalreachinadvancinggeodesy.Sincethemid-1980s,moderngeodesyhasevolvedintoacutting-edge,multi-facetedtoolboxwithremarkablydiverseresearchandreal-worldapplications,includingstudiesandobservationorforecastingofsolid-Earthhazards,thedynamicsoftheatmosphere,climate,near-Earthspaceenvironment,andofkeyenvironmentalparameterssuchaswaterstorage,soilmoisture,andseaandlake-levelchanges.UNAVCOoperatesfacilitiesonbehalfoftheU.S.NationalScienceFoundationtosupportinvestigatorswhousegeodetictoolsacrossalloftheseEarthandatmosphericdomains.UNAVCOhasbuiltanumberoflargedenseregionalnetworksofGPSstations,includingtheEarthScopePlateBoundaryObservatoryinNorthAmerica,theCOCONetCaribbeannetwork,TLALOCNetinMexico,GNETinGreenland,andANETinAntarctica.Goingforward,UNAVCOplanstofederatethePlateBoundaryObservatory(USA),TLALOCNet(Mexico),andCOCONet(Caribbean)GPSnetworksastheNetworkoftheAmericas,withupgradestostate-of-the-art,multi-sensor,multi-GNSSobservations.WhileUNAVCOcommunityscientistsactivelyengageinusingspaceandterrestrialgeodetictechniquestostudygeodynamicsatallscales,thisproliferationofcontinuousnetworksisthebasisforasuiteofrecentcontributionsthatfocusonimproveddailypositioningtosenseEarth’selasticresponseandotherperturbationstoloadingbyatmosphericandsurfacewater,oceans,andice.Day-to-dayandsub-dailyvariationsintheGPSverticalandhorizontalcorrelatetoincreasinglywell-understoodshort-termmassvariability,suchasmonsoonalfloodinginBangladesh,sub-dailychangesintidalloadingatcontinentscales,day-to-daysurfacewaterandicestorageinthewesternU.S

简介：TherearethreetypesofshalegasresourcesinChina.Theresourcesarepresentinlargeamountsandarewidelydistributed.Marinefacies,transitionalfaciesandcontinentalfaciesresourceseachaccountforathird.Basedonresourcedistributions,therearemanywellspenetratedintotheSinian,Cambrian,Ordovieian,Silurian,Devonian,CarboniferousandPermianstrataoftheYangtzeplateanditsperiphery,theNorthChinaCratonandtheTarimBasin.ManyyearsofexplorationhaveindicatedthatthemarineSilurianLongmaxishalegasiswidelydistributedinsouthChinaandhasbeenindustrializedinitsproductionintheSiehuanbasin.TheshalegasfromtheCambrianNiutitangFormationandtheSinianDoushantuoFormationareimportantdiscoveriesinYichang,HubeiandZhenba,Shanxi.TherearealsoshalegasresourcesfoundwithintransitionalfaciesandcontinentalfaciesindifferentareasinChina.The"twoelementenrichmenttheory"hasbeensummarizedduringtheexplorationprocessofSilurianmarineshalegasintheSichuanBasin.Inaddition,horizontaldrillingandfracturingtechnologiesupto3500mindepthhavebeendeveloped.BasedontheunderstandingofshalegasaccumulationinacomplextectoniczoneoutsidetheSichnanbasin,apreliminarysummaryoftheformationofthe"conversefaultsynelinecontrolreservoir"and"paleoupliftcontrolreservoir"modelhasbeenconstructed.Thedominanttheoryof"Trinity"shalegasenrichmentandthehighyieldofthe"deepwaterLuPengxiangsedimentaryfaciesbelt,structuralpreservationconditionsandoverpressure"issummarized.Guidedbytheabovetheories.AnyelwellinGuizhouandEyangyelwellinHubeiweredrilled."Fourstorey"oilandshale"gasisfoundinthePermianQixiagroup,theSilurianShiniulanFormation,theLongmaxiFormationandtheOrdovicianBaotaFormationinAnyelwell.GoodshalegashasbeengoundintheCambrianNiutitangformationinianDoushantuoformationinEyangyelwell.Thispaperaimstosummarizeandreviewthemainprogress,theoreticaltech

简介：Wetlands,oneofthemostproductivesystemsinthebiosphereareauniqueecosystem.Theyoccurinlandscapesthatfavorthepondingorslowrunoffofsurfacewater,dischargeofgroundwater,orboth.Wetlandsarenotonlyimportantformaintainingplantandanimaldiversity,butalsoforbalancingglobalcarbonbudgetviasequestratingorreleasingCO2from/intoatmospheredependingontheirmanagement.Therefore,itisimperativetounderstandhowwetlandsformandfunction,thenwecanbettermanage,utilize,andprotecttheseuniqueecosystems.Hydriesoils,hydrophyticvegetation,andwetlandhydrologyarethethreemainparametersofwetlands.Theseparametersareinterrelatedwitheachotherwhichjointlyinfluencethedevelopmentandfunctionsofwetlandecosystems.Theobjectiveofthispaperwastoreportthecurrentunderstandingofwetlandsandprovidefutureresearchdirections.Thepaperwillfirstfocusonaspectsofhydrologyresearchinwetlands,andthenshifttosoilhydrosequenceandwetlandvegetationtobetterunderstandprocesses,structure,andfunctionofwetlands,andconcludewithsomepossiblefutureresearchdirections.

简介：Inthispaperthedevelopmentofthetechnologyofthelaserscanningissummarized.Theprinciplesoflaserrangescanningareintroduced.Basedonthelaserscanningtechnologyandmethods,whichareinvestigatedbytheauthorstosurveydepositvolume,asurveyingsystemisdevelopedandapracticalapplicationisperformed.Itisshownthatthelaser-scanningtechnologyhasobviousadvantagessuchasmeasurementprecision,automationandvisualizationofobserveddataincomparisonwiththetraditionalmethods.Asaresult,laborintensityisrelievedobviouslyandworkefficiencyispromoted.

简介：

简介：以便在实际侦察环境解决emitter识别问题，属性数学被介绍。属性集合和属性措施的基本概念和理论详细被描述。基于属性，措施在这篇论文被介绍的一个新属性识别方法。申请例子被给，它表明这个新方法精确、有效。而且，为认出emitter目的计算机摸拟;计算机模拟被选择，并且与通过模拟的古典统计模式识别相比。优秀试验性的结果证明这作为与存在统计模式识别技术相比是一个崭新的属性识别方法。

简介：ThestatusofdeepgeophysicalexplorationandresearchinChinaissummarizedinthispaper.Newachievementsinthestudyofthevelocitystructure,seismotectonicsandgeodynamicsofthecrustanduppermantlearealsobrieflydescibed.