海洋污染-英文演講稿課件_第1頁(yè)
海洋污染-英文演講稿課件_第2頁(yè)
海洋污染-英文演講稿課件_第3頁(yè)
海洋污染-英文演講稿課件_第4頁(yè)
海洋污染-英文演講稿課件_第5頁(yè)
已閱讀5頁(yè)，還剩23頁(yè)未讀， 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明：本文檔由用戶(hù)提供并上傳，收益歸屬內(nèi)容提供方，若內(nèi)容存在侵權(quán)，請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

海洋污染英文演講稿海洋污染英文演講稿1marinepolutioninChinateammembersmarinepolutioninChinateamm2

Theloseoflivingenvironment1.enclosingtideland,Marine、coastalprojectandwaterwaydredgingactivitiesarethecauses.thus,thenormalactivityofMarinelifeisSeriouslyinterfered,sometimesevenmakeMarinebiologicalhabitatcompletelyextincted.Andthedeclineinthenumberofmangroveisthebestexample.Theloseoflivingenvironmen3

overfishingandilleagallytrade2.becausealotofMarineanimalhasveryhighornamentalvalueorcanbetreatedasartcollection,andwithnutritionalvalue,peoplearedrivenbyintereststo

fishandevenillegallycatch.What'smore,Marinefishingvesselsincreaseddramatically,fishingsegmenthasimprovedsteadily.thesecauseseriousdestructionoftheresourcesandevenmakethemdieout.overfishingandilleagallytr4

alienspeciesinvasion3.withthedevelopmentofChina'soceantransportation,Thespreadofbreeding,andsoliciting,foreignMarinespecies'quantityincreasedsharplyresultingintheMarineecologicalsystemstructure'simbalance,functiondegradationlossofdiversity,whichmakesChineseoceanenvironmentfacesincreasingpressureofintrusion.alienspeciesinvasion3.5

Marineenvironmentpollution4.Oceanoilleak,Marinetransportation,variousland-sourcedpollutants(mainlycoastalindustrialwastewaterandlife

sewage)dischargedintothesea,aggravatingtheMarineenvironmentpollution,andtheMarineecologicalenvironmenthasdeteriorated.Marineenvironmentpollution46海洋污染-英文演講稿課件7海洋污染-英文演講稿課件8海洋污染-英文演講稿課件9ThefivewastewaterdischargedintotheoceanFirst,thelow-levelradioactivewastewaterTheso-calledlow-levelradioactivewastewaterisalitercontainedradioactivitylessthan10(-5)CuriewastewaterThesecond,containingtheeasilydegradableorganiccompoundsandheavymetalsinwastewaterEasilydegradableorganicmatter,microorganismsundernaturalconditionsisdifficultdescendingdecompositionoforganicmaterialoccursinthenaturalenvironmentcanbemaintainedindefinitelyanddisseminated,andthusaseriousimpactonthemarineenvironmentandecologicalThefivewastewaterdischarged10Third,medicalsewagecarryingpathogens,domesticsewageandindustrialwastewaterPathogens,infectiousagents,includingpathogens,diseaseeggs,viruses.Pathogenscansurviveinthewatercanenterthebodythroughthefoodchain,whichmakeyousickfourth,Industrialwastewatercontainingorganicmatterandnutrients,sewage.Wastewatercontainingorganicandnutrientsubstancesthatcontainprotein,fat,aminoacids,carbohydratesandotherozone-depletingorganicmatterandnitrogen,phosphorusandothernutrientsinwastewaterThird,medicalsewagecarrying11Fifth,theheatedwasteHeatedwastewateremissionsfromthermalpowerplants,nuclearpowerplants,petrochemical,nonferrousmetalsmeltingandotherindustrialprocessesinhigh-temperaturecoolingwater,ashwatertemperatureishigherthannormalseatemperatureswastewaterAlargenumberofnutrient-richhumansewage,industrialwastewater,agriculturalwastewateremissionseaof??redtideorganismswillusenutrientssuchasnitrogen,phosphorus,carbonfranticallybreedingandaccumulationinducedredtideoccurred.Fifth,theheatedwasteHeated12

Measure：Sewagemarinedisposal

Oceandisposalofsewageisprohibitedoreffectivemeasurestolimitemissionsandfreedomofsewageshorerandomrow,concentratedpretreatmentofsewageworkssystem,transportationbypipelinetotheunderwaterdepthoftheocean,emissionsbythediffuser,sothatinassmallaspossiblewithinahighdegreeofdilution,toreducetheimpactontheenvironment.Thissewagemarinedisposalengineering,comparedwiththeconventionalsecondarytreatmentofsewage,saving1/2to1/3ofinvestmentininfrastructureandoperationandmanagementcosts,covering30to40percentreductioninbenefitsareenormous.Measure：Sewagemarinedisposa13

conclusionOvertheyears,theChinesepeople'sawarenessofresourceprotectionisweakandthelegalconceptisthin.Weoftendestructatfirstandprotectwhensituationisterrible,somanylandaquaticorganismsandmarinelifehavedisappearedfromoursight.AsaresultofKindsofreasons,theChinesemarinebiodiversityandthemarineenvironmentisstillisworrying.conclusionOvertheyears,the14海洋污染英文演講稿海洋污染英文演講稿15marinepolutioninChinateammembersmarinepolutioninChinateamm16

Theloseoflivingenvironment1.enclosingtideland,Marine、coastalprojectandwaterwaydredgingactivitiesarethecauses.thus,thenormalactivityofMarinelifeisSeriouslyinterfered,sometimesevenmakeMarinebiologicalhabitatcompletelyextincted.Andthedeclineinthenumberofmangroveisthebestexample.Theloseoflivingenvironmen17

overfishingandilleagallytrade2.becausealotofMarineanimalhasveryhighornamentalvalueorcanbetreatedasartcollection,andwithnutritionalvalue,peoplearedrivenbyintereststo

fishandevenillegallycatch.What'smore,Marinefishingvesselsincreaseddramatically,fishingsegmenthasimprovedsteadily.thesecauseseriousdestructionoftheresourcesandevenmakethemdieout.overfishingandilleagallytr18

alienspeciesinvasion3.withthedevelopmentofChina'soceantransportation,Thespreadofbreeding,andsoliciting,foreignMarinespecies'quantityincreasedsharplyresultingintheMarineecologicalsystemstructure'simbalance,functiondegradationlossofdiversity,whichmakesChineseoceanenvironmentfacesincreasingpressureofintrusion.alienspeciesinvasion3.19

Marineenvironmentpollution4.Oceanoilleak,Marinetransportation,variousland-sourcedpollutants(mainlycoastalindustrialwastewaterandlife

sewage)dischargedintothesea,aggravatingtheMarineenvironmentpollution,andtheMarineecologicalenvironmenthasdeteriorated.Marineenvironmentpollution420海洋污染-英文演講稿課件21海洋污染-英文演講稿課件22海洋污染-英文演講稿課件23ThefivewastewaterdischargedintotheoceanFirst,thelow-levelradioactivewastewaterTheso-calledlow-levelradioactivewastewaterisalitercontainedradioactivitylessthan10(-5)CuriewastewaterThesecond,containingtheeasilydegradableorganiccompoundsandheavymetalsinwastewaterEasilydegradableorganicmatter,microorganismsundernaturalconditionsisdifficultdescendingdecompositionoforganicmaterialoccursinthenaturalenvironmentcanbemaintainedindefinitelyanddisseminated,andthusaseriousimpactonthemarineenvironmentandecologicalThefivewastewaterdischarged24Third,medicalsewagecarryingpathogens,domesticsewageandindustrialwastewaterPathogens,infectiousagents,includingpathogens,diseaseeggs,viruses.Pathogenscansurviveinthewatercanenterthebodythroughthefoodchain,whichmakeyousickfourth,Industrialwastewatercontainingorganicmatterandnutrients,sewage.Wastewatercontainingorganicandnutrientsubstancesthatcontainprotein,fat,aminoacids,carbohydratesandotherozone-depletingorganicmatterandnitrogen,phosphorusandothernutrientsinwastewaterThird,medicalsewagecarrying25Fifth,theheatedwasteHeatedwastewateremissionsfromthermalpowerplants,nuclearpowerplants,petrochemical,nonferrousmetalsmeltingandotherindustrialprocessesinhigh-temperaturecoolingwater,ashwatertemperatureishigherthannormalseatemperatureswastewaterAlargenumberofnutrient-richhumansewage,industrialwastewater,agriculturalwastewateremissionseaof??redtideorganismswillusenutrientssuchasnitrogen,phosphorus,carbonfranticallybreedingandaccumulationinducedredtideoccurred.Fifth,theheatedwasteHeated26

Measure：Sewagemarinedisposal

Oceandisposalofsewageisprohibitedoreffectivemeasurestolimitemissionsandfreedomofsewageshorerandomrow,concentratedpretreatmentofsewageworks

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明，都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等，如果需要附件，請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶(hù)所有。
  • 3. 本站RAR壓縮包中若帶圖紙，網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽，若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間，僅對(duì)用戶(hù)上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理，對(duì)用戶(hù)上傳分享的文檔內(nèi)容本身不做任何修改或編輯，并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容，請(qǐng)與我們聯(lián)系，我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶(hù)因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。