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1、中央广播电视大学六盘水分校毕业论文专业年级学生姓名学号论文题目指导教师完成时间=√(δA1)2+(δA2)2+...(ΔAn)2:detectionsystemsystemerrorδδb-A1...ΔunitsallowBasicerroroftheinstrumentwithintheAn-System5.1.12.2.2systemcheckpointshallnotbelessthanthree,spanofthedesign,respectively,and0%,and100%.5.1.12.2.3alarmdetectionsystemshouldbeinoperation
2、tocheckthealarmfunctionontheCRTscreen,ordecreasinginputsignaltoconfirmalarmvaluesmatchwiththedesignvalues,alarmmovementisnormal,whetherthesirenrings,aswellasthetotallookofalarmalarmmessagesdisplayedonthescreen.5.1.12.3controlsystemoperationmanualregulatoroutputissettoontheCRTscreen,output4~20mAD
3、Csignalsbyhand,checkthefullstrokeoftheactuatorfromthestartpointtotheendpointshouldbegoodandfastaction,precisionpassandconfirmflowchartsonthescreenchangeincolorofthecorrespondingvalve.5.1.12.4alarmsystemtestinsimulatedfailure,observethestatusLEDindicatesalarmdisccorrectly,ringingalarmbells,flutei
4、snormal.5.1.12.5commissioningofinterlockprotectionsystemmaybeachievedthroughfalsemoves.So-calledfalsemoveistocutofftheunitpowerpowercase,withallinstrumentswithinthesystemtosimulatedrivingconditions,contactorclosingopening,stopinandreleasesimulationofmechanicalequipment.Onepossiblefailuresinasimu
5、lateddriving,checktheentiresystemofmechanicalequipmentandtheonoffvalveactionsignals,soundandlightsignals,movementtimemeetsthedesignrequirements,testcompletedcircuittodrivetheStateoftherecoverysystem.5.1.12.6instrumentsystems,interlockingafterthe【论文摘要】盈利能力自财务报表一出现开始就是财务分析的重点,对于盈利能力的分析结果是企业获得投资的一个
6、重要信息,投资者对于上市公司的盈利能力分析十分重视。万科地产作为我国地产界的龙头企业,其盈利能力的分析在很大程度上影响着管理者的决策。万科地产自上市以来,其盈利能力基本稳定但是其成长能力存在一定的不稳定性。本文主要是通过对企业盈利能力以及其相关概念进行了分析,同时对于万科地产盈利能力指标进行了概述,通过对万科地产的相关数据进行计算分析,找到目前万科地产存在的盈利问题,进而提出自己对于改进万科地产盈利能力的相关的建议。【关键词】万科地产;盈利能力;指标=√(δA1)2+(δA2)2+...(ΔAn)2:detectionsystemsystemerrorδδb-A1...Δunitsal
7、lowBasicerroroftheinstrumentwithintheAn-System5.1.12.2.2systemcheckpointshallnotbelessthanthree,spanofthedesign,respectively,and0%,and100%.5.1.12.2.3alarmdetectionsystemshouldbeinoperationtocheckthealarmfunctionontheCRTscree