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1.
王克林 《中国地理科学(英文版)》1998,(3)
I.INTRODUCTIONItisgeneralyacceptedthatthedegradationofrenewableresourcesandfragileenvironmentsindevelopingcountriesisbecomin... 相似文献
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I.INTRODUCTIONUptothepresent,severaltheoreticalandimportantpracticalproblemshavebeensolvedinkarstgeomorphology.However,alongw... 相似文献
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REANALYSIS OF PRINCIPAL COMPONENT ANALYSIS TO RESUME PAST VEGETATION AND ENVIRONMENT——Taking Fenzhuang Profile in Beijing as an Example 总被引:1,自引:0,他引:1
张佳华 《中国地理科学(英文版)》1998,(3)
I.INTRODUCTIONAtpresent,globalclimatechangehavebeenwidelypaidatentiontointernationaly.Climaticandenvironmentalchangesfromloc... 相似文献
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DEGRADATION OF NATURAL RESOURCES BY ENVIRONMENTAL POLLUTION——A Comparative Study Between Huizhou City and Zhaoqing City 总被引:2,自引:0,他引:2
1 INTRODUCTIONBothresourceandenvironmentarerelativeconceptions,whicharerelativetothesystemstheyreferto.Theenvironmentofacertainarea(oracertainbusiness)ispossiblytheresourcesofthesurroundingareas(oranotherbusiness).Theatmosphere,waterbodiesandsoilont… 相似文献
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1INTRODUCTIONNoonecandoubtthatoneofthemostexcitingsoundsinnineteenthcenturyAmericawasthewhistleofalocomotive.ThroughoutthewholecenturyespeciallyinthesecondhalfrailroadsplayedadramaticroleintransformingtheAmericanwestfromabarrenlandintoapopulatedone… 相似文献
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I.INTRODUCTIONThereisaclosecorelationbetweenthelocationofalandparcelanditsvalue.Arealestateexpertoncestatedthatthefactorsdete... 相似文献
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林昱 《中国海洋湖沼学报》2000,(2)
INTRODUCTIONRedtidesoccurredinXiamenHarborin1986and1987.Thelocalmarinescientistscloselyobservedtheseredtidesandobtainedmuchusefuldata(Zhangetal.,1988;Du,1989;Zhuang,1991;Chengetal.,1993).Butsimultaneoustransientwatermovementalwaysmadeitdifficulttoinvestigatetheseredti… 相似文献
8.
JimPooler 《中国地理科学(英文版)》1998,8(3):212-224
I.INTRODUCTIONAcommonviewpointinthespatialinteractionliteratureisthatitisnecesarytoacknowledgespatialstructureefectsand/orde... 相似文献
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INTRODUCTIONTheproxyofstableoxygenisotopeinlakecarbonateisidealforthereconstructionofpastcli mate (Gasseetal.,1 991 ;Wu ,1 996;Zhangetal.,1 994 ) .Asidefrombeingimpactedbylake watertemperature ,thevalueofδ18Oinlakecarbonateisalsocontrolledbythatofambientlakewa ter.High… 相似文献
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FACTORS AFFECTING SOIL RESPIRATION IN REFERENCE WITH TEMPERATURE'S ROLE IN THE GLOBAL SCALE 总被引:6,自引:1,他引:5
I.INTRODUCTIONSoilrespirationisCO2evolutionprocessfromsoiltoatmosphere.Itismainlyproducedbyoxidizingorganicmaterbymicroorgan... 相似文献
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I.INTRODUCTIONWiththerapiddevelopmentofnationaleconomyandthegrowthofthepopulationsincethe1990s,therecomesnewdemandsforexploit... 相似文献
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Web GIS: Implementation issues 总被引:1,自引:0,他引:1
1 INTRODUCTIONWiththerapidexpansionanddevelopmentofIn ternetandWWW (WorldWideWeborWeb) ,WebGIS (WebGeographicalInformationSystem )isbe comingevermorepopularandasaresultnumeroussiteshaveaddedGIScapabilityontheirWebsites(BOSTONetal .,1994 ;PUTZ ,1994 ;SHIFFER ,1995;SOVI… 相似文献
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INTRODUCTIONItiswellestablishedthatinmammals,growthhormone (GH)elicitsitsgrowth promotingac tionindirectlythroughtheinsulin likegrowthfactor I(IGF I)producedmainlyintheliver.Asforteleostfishes,Inuietal.(1 985 )reportedstimulatinginvivoandinvitroeffectsofovineGH… 相似文献
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United international central city: A new spatial organization model in tumen river economy development zone 总被引:1,自引:0,他引:1
张平宇 《中国地理科学(英文版)》1998,8(4):370-376
I.INTRODUCTIONSince1980,NortheastAsiahasexperiencedarapidregionaleconomicunificationagainsteconomicglobalization.TheTumenRive... 相似文献
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阎百兴 《中国地理科学(英文版)》1998,8(4):352-361
I.INTRODUCTIONMostvolcanoesaredistributedinnortheastofChina.Thevolcaniceruptionscanchangethegeneralmorphologicconfigurationof... 相似文献
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1 ADVANCINGOFTHEQUESTIONANDCONSTRUCTIONBACKGROUNDOFSUZHOUINDUSTRYGARDENPerroxgavespecialattentiontotheeffectofimportantitemsandconstructionofinfrastructurewhenhediscussedtheproductionofgrowthpole(Li,1988).Lotsofdomesticscholarshavealsoprobedintothi… 相似文献
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1INTRODUCTIONTheremarkablesocialandeconomicchangeinthePearlRiverZhujiangDeltaPRDsincethelate1970shasmadeitafocalpointinreformeraacademiccircles.ManystudieshavebeendoneonthePRDitsregionaleconomicdevelopmentandrestructuringLIN1997LINetal.1995… 相似文献
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The flux of land-based source pollutants from tumen river system entering the sea of Japan 总被引:1,自引:0,他引:1
I.INTRODUCTION“Agenda21”recognizestheimportanceoflandbasedsourcepolutantstomarinepolution.Coastalwaterisofgreatsignificance... 相似文献
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INTRODUCTIONKnowledgeofmarineCymothoidaeofChinesewatersispoor,exceptforthecontributionsofYu( 1 93 5)andShen ( 1 940 )intheearly 2 0thcenturyandYuandLi( 2 0 0 2 ) .AmongNerocilaisopodspecimensdepositedintheInstituteofOceanology,ChineseAcademyofSciences (IOCAS) ,wasaform (c… 相似文献
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RESEARCH ON DISTURBED MECHANISM OF THERMAL NOISES OF THE SURFACE IN ABRUPT GEOTHERMAL ANOMALY 总被引:3,自引:2,他引:1
1INTRODUCTIONGeothermalanomalyisaphenomenonthatunder-groundtemperatureandgeothermalgradientincreasesmuchmoreintheareathanitssurroundingsXIA1979.Thisisanormalglobalphysicalphenomenonintheactiveandthelatentvolcanicarea.Duringthewarningsignperiodofan… 相似文献