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1、XX年的机关后勤工作在区委、区政府的正确领导下，以邓小平理论和“三个代表”重要思想为指导，深入贯彻中央、省、市、区有关会议精神，全面落实科学发展观福岛核电站英文演讲稿 篇一：福岛核事故分析-英文 HowIsJapan'sNuclearDisasterDifferent 王小亮学号：班级： Abstract：TherearesomekeydifferencesthatsetthecurrentFukushimasituationapartfromthe1979ThreeMileIslandemergencyandthe1986Chernobylnucle
2、ardisaster. Intermsofreactortype,Japan'sFukushimaDaiichinuclearpowercomplexismadeupofsixboiling-waterreactors,orBWRs—atypeof"LightWaterReactor."WhereastheThreeMileIslandusedanothertypeofLightWaterReactorknownasa pressurized-waterreactor,orPWR.InaPWR,thewateriskeptunderpressure.Thi
3、smeansthetemperaturecanbehigherthantheboilingpointofwaterwithout generatingasignificantamountsteam(alessefficientcoolant).Sothereactorcoreoperatesatahighertemperatureinthesesystems,andheatcanbetransferredmoreefficiently.Boiling-waterreactorsoperateatlowertemperatures,andtheytendtob
4、e按照“三个贴近”的要求，紧紧围绕全区中心工作，深入开展“平安区”、“充分就业区”创建活动，着力提高市民素质，弘扬城市文明精神，为实现全区城市统筹XX年的机关后勤工作在区委、区政府的正确领导下，以邓小平理论和“三个代表”重要思想为指导，深入贯彻中央、省、市、区有关会议精神，全面落实科学发展观simpler,withfewerparts.Chernobyl'sreactorswereatypecalledRBMK,whichalsousedwaterforthecoolant.ButunliketheLightWaterReactors,theRMBKusedg
5、raphiteasamoderator. Asamatteroffact,BWRorPWRtechnologiesareequallysafe.Bothtypesof reactorshaveakindofself-regulationor"negativefeedback"loop:Asthereactorgetshotter,thefissionreactionslowsdown,decreasingpower.TheRMBKdesign,ontheotherhand,"couldgointopositivefeedback,"wherehighert
6、emperaturebegetsmorepower,whichinturnincreasesthetemperature,andsoon. Intheaspectofaccidentcauses,thetsunamiappearstobetheimmediateculpritintheFukushimadisaster,sincetheplantsshutdownastheyweredesignedtodofollowingtheearthquake.Whilethe"operatorerror"wasthefundamentalcauseoftheThre
7、eMileIslanddisasteraccident,becauseemergencycoolingsystemswereshutdown,withdirectconsequences.AttheChernobylreactorinUkraine,an"ill-conceived,badlyexecutedsafetytest"initiatedthedisaster.Asuddensurgeofpowertriggeredasteam按照“三个贴近”的要求，紧紧围绕全区中心工作，深入开展“平安区”、“充分就业区”创建活动，着力提高市民素质，弘扬城市文明精神
8、，为实现全区城市统筹XX年的机关后勤工
