论我国目前次生环境资源问题的产生原因

OntheCausesoftheProductionofSecondaryEnvironmentandResourceProblemsinPresent-deyChina(,430072):,.:;;;:X37:C:10065776(1999)02003003Abstract:ThestatusquoanddevelopmenttendecyofChinaspresent-daysecondaryenvironmentandresourceproblemsisquiteworrisome.Inthispaper,theauthormakesacomprehensivestudyonthecausesfortheproductionofChinassecondaryenvironmentandresourceproblemsfromtheaspectsofstatebehavior,economytechnology,marketandsocietybycombiningthehistoryandstatusquoofourcoumtryKeywords:Environmentandresource;Resourceproblems;Environmentproblems;Man-madecauses1,,.,:1.1:.:,,;,,.,70%,:,;,,;(),,.1.2,:1953,19859.6,14;199030%90%,30%[1].,,.,,:,,28,,15.,.2,,,.2.1,.:,,,.,1998.,.,,,,,,(),.,,,,,,,,,1421999,,,,.80%,,,.,,.,3.,,,,,,.,,,,,,,.,,,,,.,,,.,,,,.,.,313:,,..,.,.:,;,,.,,.2.2,,,,,;,,,;,,,,.,(,),,,,.,,.19967,.,(),(,,);,,,,,,,,.142:312.3:,,.,,,,.,,;(),,.,,,,.,4,,.2.4:1992,.,,.,,;(),,4000.,,,,,.:[1].[J].,1995,(7):39.(:1999-03-29)(25)1Cr3+(mg/L)(min)5101520251(20)0.050.0040.0080.1230.1892(25)0.200.0600.0800.1200.2303(30)0.830.1200.1400.2800.3404(35)1.200.3200.4300.7401.320:40,10min,(0.5mg/L),,KCL,.2,,,,.,,,20003000mg/L,,.:(1),Span80KCL,Span,,.KCL,,,Span80KCL.(2),,,,,,.2Cr3+(mg/L)(min)5101520253010.860.400.771.635.5313.6020.730.320.651.454.3611.7130.920.260.581.165.4010.14:1000mL,152mg/L,H2SO4pH=2.0TBP-Span80,,,,.:[1].[J].,1994,(2):135.[2].[J].,1989,(2):126.(:1999-03-06)321999