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ID:32027427
大小:1.65 MB
页数:49页
时间:2019-01-30
《陶瓷行业职业有害因素评价与其对肺功能的影响-研究》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、华中科技大学硕士学位论文EvaluationofoccupationalhazardsinceramicindustryandstudyontheireffectsonlungfunctionCandidateforMasterDegree:WanjunYiSupervisor:WeihongChenABSTRACTSectionIMeasurementandevaluationofoccupationalhazardsinceramicenterprisesObjective:Theobjectiveofthisse
2、ctionwas(1)toevaluatetheoccupationalhazardsattheworkplaceandthedistributioncharacteristicsbymonitoringintwoceramicenterprises;(2)toinvestigatethesituationoftheenterprise’soccupationalhealthprotection.Method:Theoccupationalhazardsdetermingwereconductedforcontinuo
3、us3daysateachfactory.Theitemsincludedtotaldustconcentration,respirabledustconcentration,freesilicapercent,industrialnoise,temperature,relativehumidity,WBGT,airpressure,thermalradiationandwindspeed.Result:Dustexposureexistedin18workplacesinfactoryA.Amongthem,thed
4、ustconcentrationsof10workplacesexceedednationallimit.Industrialnoiselevelsovernationallimitwereverycommonintheworkplaces.ThehighestWBGTwas5.6℃higherthanthenationalstandard.Atotalof12workplacesweredeterminedinfactoryB.Thedustconcentrationinoneworkplacewaslowertha
5、nnationallimit.Thedustconcentrationsinother11workplaceswerehigherthanlimit.Theindustrialnoiseofallthemonitoringpointswashigherthannationallimitofindustrialnoise.WBGTwerehigherthanthestandardlimitinallworksitesexceptfortherawmaterialsite.Conclusion:Theseresultssh
6、owedthatthemainoccupationalhazardsinaboveceramicfactorieswereindustrialdust,industrialnoiseandhightemperature.SectionIIDiscussionontheinfluencingfactorsforceramicworkers’lungfunctiondamageObjective:Theaimofthissectionwastoevaluatetheeffectofoccupationalhazardsin
7、ceramicindustryontheworkers’lungfunctiondamage.Atotalof992ceramic2华中科技大学硕士学位论文workerswereinvolvedinthestudy.Weanalyzedinfluencingfactorsforlungfunctioninjury.Method:Allsubjects’occupationalhistoryandhistoricaldustconcentrationsofceramicfactorywhichwereusedtoesta
8、blishJEMhadbeencollected.IndividualcumulativedustexposurewascalculatedonthebasisofoccupationalhistoryandJEM.Individualinformationwascollectedthroughthequestionnaire.P
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