学科分类
/ 1
4 个结果
  • 简介:ADVANCESINTHEMONTHLY,SEASONALANDYEARLYLONG-RANGENUMERICALWEATHERPREDICTION¥ZhengQinglin(郑关林)ADVANCESINTHEMONTHLY,SEASONALANDY...

  • 标签:
  • 简介:DetailedanalysesofthemonitoreddataprovidedbytheYantaiOceanAdministrationOfficebetween1989and1996showthat,thefluctuationregularitiesofcontentoftheinorganicphosphorusareasfollows:thecontentofinorganicphosphorusfluctuatedneartheclass-1standardlinebasicallyfrom1989to1993,tendedtoincreaserapidlyfrom1993,andincreasedcontinuously,causingwaterqualitytobedeterioratedfromtheclass-2toclass-3standardby19%.Causesforincrementofthecontentofinorganicphosphorusarealsoanalyzed.Theresultsshowthat,thefluxofphosphorusenteringYantainearshoreseaareaincreasesatanannualrateof16.5percent,inwhichtheincrementratesofthephosphoruscontainedinwashingpowderandinphosphatefertilizerare12.9and17.5percentrespectively.Bothofthemkeptapositiveinterrelationshipwiththeirfluxesintothesea.Inaddition,themigrationandregenerationmechanismofthephosphoruswithinthenearshoreareaalsoleadtotheinorganic

  • 标签: the NEARSHORE area of Yantai INORGANIC