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1.
The Author considers the problems connected with the late Ⅳ-early Ⅲ millennium bc inNorth Eastern Italy that is the transition between the final aspects of the Square Mouth Pottery Cultureand the Chassey and later Lagozza traditions.Some considerations are also made about the first CopperAge Groups which made their appearance in the Po Valley during the mid Ⅲ millennium bc.  相似文献   

2.
INTRODUCTIONTOTHE"CAUSESANDCOUNTERMEASURESOFTHEDESERTIFICATIONINNORTHERNCHINA"Thebook"CausesCountermeasuresoftheDesertificati...  相似文献   

3.
RIASSUNTO-Aspetti dell'etnoarcheologia e lo sfruttamento delle zone montane.L'Autore prende inconsiderazione due diverse aree geografiche,parte dell'arco alpino centro-orientale e quello dei Carpazi,in cui sono state svolte ricerche sia archeologiche che etnoarcheologiche sui modelli d'insediamento attualein aree montane.Viene in particolare sottolineata l'importanza dello studio emologico per una migliorericostruzione dei modelli di vita delle popolazioni preistoriche portando svariati esempi presi principalmentenei Balcani meridionali.  相似文献   

4.
THEFUNCTIONOFLAKESANDTHEMANAGEMENTOFFLOODDISASTER¥SunShuncai;ZhangChenandYuXiubo(NanjingInstituteofGeographyandLimnololgy,Chi...  相似文献   

5.
TheWesternAreaofChinaisabundantinnaturalresourceswhilefragileineco environ ment .Ithasthelargestconcentrationofpoverty strickenpopulationintheunder developedar eas.Itisalsotheveryborderareaswithmoreneighboringcountries,themajorityofnationalminoritiesandt…  相似文献   

6.
THEWEATHERFORECASTOFTHERAINSTORMALONGTHEHUAIHEANDYANGTZERIVERSIN1991ANDTHEMEASURESFORDISASTER REDUCTIONJiaoPeijin;(焦侧佩金)andRe...  相似文献   

7.
DustdevilisafamiliarweatherphenomenoninthedryanddesertareasinNorthChina,asaformofair carriedsoilmovement.Itisverydestructivetotheeco environment.Recentstudyhasindicatedthatalthoughthenumberofdaysofdustdevilattackstendstodecrease,strongandextraordinarily…  相似文献   

8.
THEEFFECTSOFWATERLOGGINGCALAMITYONTHERICEOUTPUTINTHEAREAOFMIDDLEANDLOWERREACHESOFTHEYANGTZERIVERSongLianchun;HuangChaoyinandW...  相似文献   

9.
FunctionalfeaturesoftheecosystemintheprimitivesubtropicalkarstmountainareaandtheirdegradationundertheinfluenceofhumanactivitiesInthepast 50years ,humanactivitieshavebroughtaboutthefollowinggreatchangesintheecosystemofthesubtropicalkarstmountainarea :(1 )FromtheinvestigationandanalysisofMaolanKarstNaturalConservationDistrictinGuizhouandNonggangKarstNaturalConservationDistrictinGuangxi,andtheresearchesonthechangesinthenaturalandgeographicalenvironmentinthekarstmountainareainRenhuaiCity ,Gu…  相似文献   

10.
TALKINGABOUTTHEPREVENTIONOFFLOODANDWATERLOGGINGDISASTERINTHEVIEWOFSYSTEMATOLOGY¥WangZhengzhou(ZhejiangAgricultutalUniversity)...  相似文献   

11.
Chinaisagreatagriculturalcountry .Ithasagreatpopulation ,andalsoalargedemandongrain .Agricultureistheimportantfoundationofnationaleconomy .Foralongperiodoftime ,Chinahasinsistedonbaseofagriculture ,andreformedtheruralproductiverelations ,continuouslyimprovedthebasicproductionconditionsofagriculture ,fastenedtheprogressofagriculturalscienceandtechnol ogy ,increasedtheagriculturalinput,hadtheagriculturegainednoticeableachievements.Ithasfedthepopulationthattakesthe 2 2 %ofworld’spopulationbythe…  相似文献   

12.
THERESULTSOFDISASTERRESISTANTANDRELIEFIN1995WangXioshanTotalLossCausedbyDisasterReached186.3BillionYuanIn1995,naturaldisaster...  相似文献   

13.
THEANALYSISOFCONCEPT,CHARACTERISTICSANDMANAGEMENTMEASURESOFCITYDISASTERZhangXiandongandShenYongfang(EconomicManagementCollege...  相似文献   

14.
ONTHESTATUSANDROLEOFPROTECTIONOFFOREST-FIREDISASTERCaoGuanwu(Anti-fireOfficeofHenanProvince)Nation-widespeaking,Henanisaprovi...  相似文献   

15.
THE CURRENT STATUS,PROBLEMS AND COUNTERMEASURES REGARDING THE INSTABILITY OF BIG CITIESXuWaiyaandChenDauni(TheInstituteofHydr...  相似文献   

16.
Tibetisoftenimaginedasa“pureland”withoutpollutionandfreefromanyeco envi ronmentalproblems .Unfortunately ,thefactisquitetheopposite ,asaresultofblind ,exces siveexploitationduetotheinadequacyofknowledgeonthefragilityoftheecologicalenviron mentinthefrigidhi…  相似文献   

17.
Thetemperatureiscrucialenvironmentalconditionforcrop'sgrowthandtoohighortoolowtemperatureisharmfultocrop'sgrowth.Guangxiliesinthetransitionbeltbetweensubtropicalareaandtropicalareawheretherearefavourableconditionsforplantingcropsandfruitsofsubtropicalandtropicalareas.Especially,inrecentyearswiththeeconomicdevelop mentofcountryandlargelyplantingoffruitsandanti seasonalvegetables,Guangxihasbecomemainfruits producingareaandcrops producingareaintropicalandsubtropicalareas.Thein vadingofcoldwaveinw…  相似文献   

18.
Typhoongenerallyalsocalledtropicalcycloneisformedovertropicaloceans,revolvingintensivelyrounditscentralaxesandmovingforwards.Theinternationalclassifiedstandardandnamesareasfollows:TD—TropicalDepression.ThewindforceatthecenterofTDisaboutscale 6~ 7;TS—TropicalStorm.ThewindforceatthecenterofTSisaboutscale 8~ 9;STS—SevereTropicalStorm.ThewindforceatthecenterofSTSisaboutscale 1 0~ 1 1;TY—TyphoonalsocalledHurricane.ThewindforceatthecenterofTYislargerthanscale1 2.Inthispaper,howeve…  相似文献   

19.
PREFAZIONEDopo i miei primi lavori sulla distribuzione degli uccelli in Italia,che hanno avuto principalmente lo scopo di iniziare ed indi di affinare ungenere di discorso fino a quel momento piuttosto trascurato nel nostro Paese,ho deciso di riunire nuovamente tutti i dati attendibili noti,avuti o perso-nalmente raccolti e di esporli ora con maggior dettaglio e rigore,raffrontan-doli spesso ad una situazione storica significativa e di essenziale importanza.  相似文献   

20.
ASYNOPSISONTHEWORKOFCOMPREHENSIVEEARTHQUAKEPREVENTIONANDHAZARDREDUCTIONANDTHEDEVELOPINGGOVERNMENTALFUNCTIONINSHAANXIPROVINCEW...  相似文献   

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