AP1000术语翻译

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1、Term术语Definitions定义解说Activeequipment有源设备Equipmentwhichshallperformamechanicalmotionaspartofitssafety-relatedfunction.作为安全相关功能的一部分，进行机械运动的设备。Aging老化Theeffectofoperation,environmentalandsystemconditionsonequipmentduringaperiodoftimeupto,butnotincludingdesignbasisevents,orthe

2、processofsimulatingtheseevents.经过一段时间的使用，设备在环境整体影响下的变化，不包括设备本身基本设计方面的变化。Component组件Discreteitemsfromwhichtheequipmentisassembled.组装成设备的离散型零件。CutoffFrequency截止频率；切截频率Thefrequencyintheresponsespectrumwherethezeroperiodaccelerationasymptotebegins.Thisisthefrequencybeyondwhich

3、singledegreeoffreedomoscillatorsexhibitnoamplificationofmotion,andindicatestheupperlimitofthefrequencycontentofthewaveformbeinganalyzed.频率响应谱中的零期渐近开始加速。截止频率是单个自由振荡器在没有继续提速征兆情况下的频数，代表了受分析的波形曲线的上限频率。Damping阻尼器Anenergydissipationmechanismthatreducestheamplificationandbroadens

4、thevibratoryresponseintheregionofresponse.Dampingisusuallyexpressedasapercentageofcriticaldamping.Criticaldampingisdefinedastheleastamountofviscousdampingthatcausesasingledegree-of-freedomsystemtoreturntoitsoriginalpositionwithoutoscillationafterinitialdisturbance.一种耗减运动能量

5、的装置，通过降低扩增和拓宽振动响应区域来吸能减震。阻尼器的值域通常用临界阻尼的百分比表示。在第一次受力后，来自阻尼器的阻力使振动物流刚能不作周期性振动便能最快地回到平衡职位的情况，称为临界阻尼。DesignBasisAccident(DBA)设计基准事故Thoseplantconditionsresultingfromvariouspostulatedequipmentandpipingfailuresduringwhichsafety-relatedequipmentshalloperatewithoutimpairmentofthesa

6、fety-relatedfunctioninaharshenvironment.Adesignbasisaccidentisasubsetofadesignbasisevent.在恶劣的环境中，由于各种设备和管道的非安全设计及操作引发的工厂事故工况。设计基准事故是设计基准事变的一种。DesignBasisEvent(DBE)设计基准事件Anyoftheeventsspecifiedinthestation’ssafetyanalysisthatareusedtoestablishtheacceptableperformanceforsafe

7、ty-relatedfunctions:eventsincludeanticipatedtransients,designbasisaccidents,externalevents,andnaturalphenomena.在工厂安全备注中强调的所有状况，用于建立安全功能作业的典范，包括预期瞬变、设计基准事故、外部事故和其他客观自然条件。DesignLife设计寿命Thetimeduringwhichsatisfactoryperformancecanbeexpectedforaspecificsetofserviceconditions.T

8、hedesignlifeisestablishedfromapplicableindustry/vendordatatomeettheequipmentperformancere