IEC 60966-3-2003 射频同轴电缆组件.第3部分:半柔软同轴电缆组件分规范
作者:标准资料网 时间:2024-05-15 10:45:14 浏览:9921
来源:标准资料网
【英文标准名称】:Radiofrequencyandcoaxialcableassemblies-Part3:Sectionalspecificationforsemi-flexiblecoaxialcableassemblies
【原文标准名称】:射频同轴电缆组件.第3部分:半柔软同轴电缆组件分规范
【标准号】:IEC60966-3-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC46A
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);试验;设计;环境试验;电气工程;电缆;电缆;现成的;分规范;定义;射频电缆;柔性;规范;通信电缆;同轴电缆
【英文主题词】:Cables;Checklists;Coaxialcables;Communicationcables;Definition;Definitions;Degreeofsharpness;Design;Electriccables;Electricplugs;Electricalengineering;Environmentaltesting;Flexible;Radiofrequencycables;Ready-made;Sectionalspecification;Specification;Specification(approval);Testgroup;Testing;Vibrationtests
【摘要】:Relatestosemi-flexiblecoaxialcableassembliesoperatinginthetransverseelectromagneticmode(TEM).Establishesuniformrequirementsfortestingtheelectrical,mechanicalandenvironmentalpropertiesofsemi-flexiblecoaxialcableassembliescompo
【中国标准分类号】:L26
【国际标准分类号】:33_120_10
【页数】:46P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforCalculatingInSituEquivalentElasticModuliofPavementMaterialsUsingLayeredElasticTheory
【原文标准名称】:使用多层弹性理论计算筑路材料原位相等弹性模量的标准指南
【标准号】:ASTMD5858-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:E17.41
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:backcalculation;deflectionbasin;layeredelastictheory;NDT(nondestructivedeflectiontesting);pavementmoduli;Backcalculation;Deflection--pavementsurfaces/applications;Deflectionbasin;Elasticmodulus;Layeredelastictheory;Nondestructiv
【摘要】:Thisguideisintendedtopresenttheelementsofanapproachforestimatinglayermodulifromdeflectionmeasurementsthatmaythenbeusedforpavementevaluationoroverlaydesign.Tocharacterizethematerialsinthelayersofapavementstructure,onefundamentalinputparametermeasuredinthelaboratoryandusedbysomeoverlaydesignproceduresistheresilientmodulus.Deflectionanalysisprovidesatechniquethatmaybeusedtoestimatetheinsituequivalentlayerelasticmoduliofapavementstructureasopposedtomeasuringtheresilientmoduliinthelaboratoryofsmallandsometimesdisturbedsamples.Formanyoverlaydesignproceduresthatarebasedonlayeredelastictheory,theresilientmodulusisapproximatedbythisequivalentlayerelasticmodulus,becausetheequivalentmodulusisdeterminedasanaveragevalueforthetotallayerattheinsitustressconditionsofanactualpavement.Itshouldbeemphasizedthatlayermodulicalculatedwiththisprocedureareforaspecificloadingconditionandfortheenvironmentalconditionsatthetimeoftesting.Forthesemodulitobeusedinpavementevaluationsandoverlaydesign,adjustmentstoareferencetemperature,season,anddesignloadmayberequired.Theseadjustmentsarenotapartofthisguide.Theunderlyingassumptionusedinthesolutionisthatarepresentativesetoflayermoduliexistsfortheparticularloadingcondition(magnitudeandarea)andtemperaturecondition,suchthatthetheoreticalorcalculateddeflectionbasin(usingquasi-staticlayeredelastictheoryandtheassumedstaticloadcharacteristicsoftheNDTdevice)closelyapproximatesthemeasureddeflectionbasin.Inreality,dependingonthetoleranceallowedintheprocedureandtherelativenumberoflayerscomparedtothenumberofdeflectionsensors,severalcombinationsofmodulimaycausethetwobasinstox201C;matchx201D;(orbewithintolerance)reasonablywell.Acertaindegreeofengineeringjudgementisnecessarytoevaluatethesealternativesolutionsandselectthemostapplicablecombinationoreliminateunreasonablesolutions,orboth.Therehavebeenseveralstudiesthatcomparedtheresultsofvarioustypesofequipmentandanalysismethods;unfortunately,considerablevariabilityhasbeennoted.Atthistime,noprecisionestimatehasbeenobtainedfromastatistically-designedseriesoftestswithdifferentx201C;knownx201D;materialsandlayerthicknesses.Thebackcalculatedresultsdovarysignificantlywiththevariousassumptionsusedinanalysistoemulatetheactualconditionaswellaswiththetechniquesusedtoproduceandmeasurethedeflections.Sincetheguidedealswithacomputerizedanalyticalmethod,therepeatabilityisexcellentiftheinputdataandparametersremainthesame.Thebiasoftheprocedurecannotbeestablishedatthistime.Theidentityofthex201C;truex201D;insitumodulus,basedonresilientmodulustestingorsomeotherfieldorlaboratorytest,needstobestandardizedbeforethebiasofthemethodcanbeestablished.1.1Thisguidecoverstheconceptsforcalculatingtheinsituequivalentlayerelasticmodulicanbeusedforpavementevaluation,rehabilitationandoverlaydesign.Theresultingequivalentelasticmodulicalculatedfromthedeflectiondataaremethod-dependentandrepresentthestiffnessesofthelayersunderaspecificnondestructivedeflectiontesting(NDT)deviceatthatparticulartestloadandfrequency,temperature,andotherenvironmentalandsite-specificconditions.Adjustmentsfordes......
【中国标准分类号】:Q20
【国际标准分类号】:
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Sterilizationofhealthcareproducts-Biologicalindicators-Guidancefortheselection,use,andinterpretationofresults
【原文标准名称】:保健产品的灭菌.生物指示物.选择、使用和检验结果解释指南
【标准号】:ANSI/AAMI/ISO14161-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:生物指示剂;定义;指导手册;保健;解释重点;解释;医疗器械;医疗设备;医疗产品;医学科学;医疗技术学;个人保健;产品;公共卫生;结果;选择;规范(验收);灭菌;示踪法;使用
【英文主题词】:Bio-indicators;Definitions;Guidebooks;Healthprotection;Indicators;Interpretationkey;Interpretations;Medicaldevices;Medicalequipment;Medicalproducts;Medicalsciences;Medicaltechnology;Personalhealth;Products;Publichealth;Results;Selection;Specification(approval);Sterilization(hygiene);Tracermethods;Use
【摘要】:Providesguidancefortheselection,use,andinterpretationofresultsfromtheapplicationofbiologicalindicatorsinthedevelopment,validation,androutinemonitoringofsterilizationprocesses.
【中国标准分类号】:C30
【国际标准分类号】:11_080_20
【页数】:
【正文语种】:英语
