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【英文标准名称】:StandardPracticeforVerifyingtheConsistencyofAE-SensorResponseUsinganAcrylicRod
【原文标准名称】:丙烯酸棒测定声发射传感器响应一致性的标准实施规程
【标准号】:ASTME2075/E2075M-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:(Practice)
【标准水平】:()
【中文主题词】:声发射传感器;传感器检查;传感器一致性检查;传感器响应;传感器试验;传感器校准;声发射测试;丙烯酸传感器棒;一致性;
【英文主题词】:acousticemissionsensors;AE;sensorcheck;sensorconsistencycheck;sensorresponse;sensortest;sensorverification;Acousticemission(AE)testing;Acrylicsensorrod;Consistency
【摘要】:Degradationinsensorperformancecanoccurduetodropping,mechanicalshockwhilemountedontheteststructure,temperaturecycles,andsoforth.Itisnecessaryanddesirabletohaveasimplemeasurementprocedurethatwillchecktheconsistencyofsensorresponse,whileholdingallothervariablesconstant.Whiletestblocksofmanydifferentkindshavebeenusedforthispurposeformanyyears,anacrylicpolymerrodoffersthebestall-aroundcombinationofsuitableacousticproperties,practicalconvenience,easeofprocurementandlowcost.Becausetheacousticpropertiesoftheacrylicrodareknowntodependontemperature,thispracticerequiresthattherod,sensors,andcouplantbestabilizedatthesameworkingtemperature,priortoverifyingthesensors.Attentionshouldbepaidtostorageconditionsfortheacrylicpolymerrod.Forexample,itshouldnotbeleftinafreezingorhotenvironmentovernight,unlessitisgiventimefortemperaturestabilizationbeforeuse.Properlyappliedandwithproperrecordkeeping,thispracticecanbeusedinmanyways.Theuserorganizationmustdeterminethecontextforitsuse,theacceptancestandardsandtheactionstobetakenbasedontheleadbreakresults.Thefollowingusesaresuggested:Todeterminewhenasensorisnolongersuitableforuse.Tochecksensorsthathavebeenexposedtohigh-riskconditions,suchasdropping,overheating,andsoforth.Togetanearlywarningofsensordegradationovertime.Thiscanleadtoidentifyingconditionsofuse,whicharedamagingsensors,andthus,tobetterequipmentcareandlowerreplacementcosts.Toobtainmatchedsetsofsensors,preamplifiers,instrumentationchannels,oracombinationthereof,formoreuniformperformanceofthetotalsystem.Tosavetimeandmoney,byeliminatingtheinstallationofbadsensors.Toverifysensorsquicklybutconsistentlyinthefieldandtoassisttrouble-shootingwhenachanneldoesnotpassaperformancecheck.Alltheaboveusesarerecommendedforconsideration.Thepurposeofthispracticeisnottocallouthowtheseusesaretobeimplemented,butonlytostatehowthetestitselfistobeperformedsothattheresultsobtainedwillbeaccurateandreliable.1.1Thispracticeisusedforroutinelycheckingthesensitivityofacousticemission(AE)sensors.Itisintendedtoprovideareliable,preciselyspecifiedwayofcomparingasetofsensors,ortellingwhetheranindividualsensor''ssensitivityhasdegradedduringitsservicelife,orboth.1.2Thispracticeisnotax201C;calibrationx201D;nordoesitgivefrequencyresponseinformation.1.3Units8212;ThevaluesstatedinSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:L31
【国际标准分类号】:19_100
【页数】:4P.;A4
【正文语种】:


【英文标准名称】:Ergonomicrequirementsforofficeworkwithvisualdisplayterminals(VDTs)-Part10:Dialogueprinciples
【原文标准名称】:办公用视觉显示终端(VDTs)的人类工效学要求第10部分:对话原理
【标准号】:ISO9241-10-1996
【标准状态】:作废
【国别】:国际
【发布日期】:1996-05
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC159
【标准类型】:()
【标准水平】:()
【中文主题词】:直观显示装置;用户界面;办公地点;对话设计;目视显示工作站;文本处理;办公室设备;定义;电子数据处理;人类工效学
【英文主题词】:
【摘要】:Givesergonomicprinciplesformulatedingeneralterms;theyarepresentedwithoutreferencetosituationsofuse,application,environmentortechnology.Theseprinciplesareintendedtobeusedinspecifications,designandevaluationofdialoguesforofficeworkwithvisualdisplayterminals(VDTs).
【中国标准分类号】:A25
【国际标准分类号】:13_180;35_080;35_240_20
【页数】:11P;A4
【正文语种】:英语