安全工程专业英语 教学课件 作者 司鹄 UNIT FOURTEEN.ppt

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1、UNITFOURTEENHAZARDOUSCHEMICALANDITSIDENTICATION句子分析TheOccupationalSafetyandHealthAdministration(OSHA)definesahazardouschemicalasanychemicalwhichisaphysicalhazardorahealthhazard.Healthhazardmeansachemicalforwhichthereisevidencethatacute(immediate)orch

2、ronic(delayed)healtheffectsmayoccurinover-exposedpeople.Althoughsafetyhazardsrelatedtothephysicalcharacteristicsofachemicalcanbeobjectivelydefinedintermsoftestingrequirements(e.g.flammability),healthhazardsdefinitionsarelesspreciseandmoresubjective. 

3、Physicalhazardsmaymanifestasfires,explosions,excessivetemperatures,orthereleaseoflargevolumesofgasortoxicorflammablegasesorvapors.Althoughtheyareindividualaccidents,differentinthewayinwhichtheyhappenedandthechemicalsthatwereinvolved,theyhaveonecommon

4、feature:theywereuncontrolled,involvingfires,explosionsorthereleaseoftoxicsubstancesthateitherresultedinthedeathandinjuryoflargenumbersofpeopleinsideandoutsideofthefactoryorcausedextensivedamagetothepropertyandtheenvironmentIfthecloudwereignited,theef

5、fectsofcombustionwoulddependonmanyfactors,suchaswindspeedandtheextenttowhichthecloudwasdiluted.Anindustrialaccidentclassifiedasa`majorhazard'leadstotightercontrol,morespecificthanthatappliedinthenormalfactoryoperations.安全术语危险化学品重大危险源重大工业灾害有毒气体有害气体有毒物

6、质科技应用文的译法常用词语及其译法一、说明书常用句型及其译法常用词语及其译法二、合同常用句型及其译法常用词语及其译法三、协议常用句型及其译法