DIN ETS 300296-1995 无线电设备和系统.区域移动服务.带主要用于模拟语言传送的内装天线的无线电设备的技术参数和检验条件
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【英文标准名称】:RadioEquipmentandSystems(RES)-Landmobileservice-Technicalcharacteristicsandtestconditionsforradioequipmentusingintegralantennasintendedprimarilyforanaloguespeech;EnglishversionETS300296:1994
【原文标准名称】:无线电设备和系统.区域移动服务.带主要用于模拟语言传送的内装天线的无线电设备的技术参数和检验条件
【标准号】:DINETS300296-1995
【标准状态】:作废
【国别】:德国
【发布日期】:1995-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传送;移动无线电通信系统;地面移动服务设施;语音传输;无线电工程;电信;试验条件;参数;无线电设备;模拟信号;无线电天线
【英文主题词】:land-mobileservices;datatransfer;radioengineering;telecommunication;testingconditions;mobileradiosystems;parameters;radioantennae;analoguesignals;radioequipment;speechtransmission
【摘要】:
【中国标准分类号】:M36
【国际标准分类号】:33_060_50
【页数】:75P;A4
【正文语种】:德语
【英文标准名称】:Non-destructivetesting-Terminology-Part11:TermsusedinX-raydiffractionfrompolycrystallineandamorphousmaterials.
【原文标准名称】:无损检测.术语.第11部分:多结晶和非结晶材料中X射线衍射用术语
【标准号】:NFA09-020-11-2007
【标准状态】:现行
【国别】:法国
【发布日期】:2007-08-01
【实施或试行日期】:2007-08-04
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:非结晶的;定义;英语;法语;德语;结晶内的;材料测试;多语种的;无损的;无损检测;X光线照相术测试;术语;测试;词汇;X射线;X射线衍射;X射线衍射分析
【英文主题词】:
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:01_040_19;19_100
【页数】:66P;A4
【正文语种】:其他
【英文标准名称】:StandardGuideforAcousticEmissionExaminationofSmallParts
【原文标准名称】:小部件声发射检验的标准指南
【标准号】:ASTME1932-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:声学测量;声学;噪声发射;无损检验;小部件
【英文主题词】:acousticemission;materialscharacterization;nondestructiveevaluation;nondestructivetesting;productionqualitycontrol;smallparts
【摘要】:ThepurposeoftheAEexaminationistoanalyzehowanexaminationobjectiswithstandingtheappliedload,orifitissufferingfromsomelatentdamage.Consequentlytheemissionactivitymustbeevaluatedinrelationtotheappliedload.Theappliedload(ontheexaminationobject)mayincludemechanicalforces(tension,compressionortorsional),internalpressureandthermalgradients.Itmaybeshorttolong,randomorcyclic.Theappliedloadmaybecontrolledbytheexaminerormayalreadyexistaspartoftheprocess.IneithercasetheappliedloadismeasuredalongwiththeAEactivity.Possibleapplicationsincludethedeterminationofpartintegrity,qualitycontrolassessmentofproductionprocessesonasampledor100%inspectionbasis,in-processexaminationduringaperiodofappliedloadofafabricationprocess(forexample,spotwelding,bonding,soldering,pressing,etc.),proof-testingafterfabrication,monitoringax201C;regionofinterestx201D;(orconcern)ofastructure(forexample,bridgejointorrepair,vessel,pipe),andrex2013;examinationafterintervalsofservice.1.1Thisguidecoverstechniquesforconductingacousticemission(AE)examinationsofsmallparts.Itisconfinedtoexaminationobjects(ordefinedregionsoflargerobjects)wherethereislowAEsignalattenuationthroughouttheexaminationregion.Thiseliminatestheconsiderationofcomplexattenuationfactorcorrectionsandmultiplesensorandarrayplacementsbasedonovercomingsignallossesoverdistances.1.2TheguideassumesatypicalAEexaminationasonewherethereisacontrolledormeasuredstressactinguponthepartbeingmonitoredbyAE.Particularemphasisisplacedonsensorandsystemselection,sensorplacements,stressingconsiderations,noisereduction/rejectiontechniques,spatialfiltering,locationdetermination,useofguardsensors,collectionofAEdata,AEdataanalysisandreport.ThepurposeoftheAEexaminationistoanalyzehowanobjectunderevaluationiswithstandingtheappliedload.1.3Possibleapplicationsofthisguideincludesmaterialscharacterization,qualitycontrolofproductionprocesses,prooftestingafterfabrication,evaluatingregionsofinterestoflargerstructuresandretestingafterintervalsofservice.Theappliedloadmayincludemechanicalforces(tension,compressionortorsional)internalpressureandthermalgradients.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:5P.;A4
【正文语种】:
