NF C97-301-1990 音响系统设备.总则
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来源:标准资料网
【英文标准名称】:Soundsystemequipment.General.
【原文标准名称】:音响系统设备.总则
【标准号】:NFC97-301-1990
【标准状态】:现行
【国别】:法国
【发布日期】:1990-06-01
【实施或试行日期】:1990-06-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:M72
【国际标准分类号】:33_160_30
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:Blankdetailspecification:Fixedpolypropylenfilmdielectricmetalfoild.c.capacitors-AssessmentlevelE;GermanversionEN131801:1997
【原文标准名称】:空白详细规范.固定式直流聚丙烯薄膜介质金属箔电容器.评定等级E
【标准号】:DINEN131801-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-10
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:L11
【国际标准分类号】:31_060_30
【页数】:9P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDeterminingInSituModulusofDeformationofRockMassUsingFlexiblePlateLoadingMethod
【原文标准名称】:用挠性板负荷法测定岩石质量现场变形模数的标准试验方法
【标准号】:ASTMD4395-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D18.12
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adit;deformation;displacement;fieldtesting;flexibleplateloadingmethod;fracturetesting;loadingtests;modulusofdeformation;pressuretesting;rock;stress;undergroundenvironments;Stress--rock;Undergroundenvironments;Adit;Defo
【摘要】:Resultsofthistypeoftestmethodareusedtopredictdisplacementsinrockmasscausedbyloadsfromastructureorfromundergroundconstruction.Itisoneofseveralteststhatshouldbeperformed.Theresultinginsitumodulusiscommonlylessthantheelasticmodulusdeterminedinthelaboratory.Themodulusisdeterminedusinganelasticsolutionforauniformlydistributedload(uniformstress)overacircularareaactingonasemi-infiniteelasticmedium.Thistestmethodisnormallyperformedatambienttemperature,butequipmentcanbemodifiedorsubstitutedforoperationsatothertemperatures.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection,etc.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversthepreparation,equipment,testprocedure,anddatareductionfordetermininginsitumodulusofdeformationofarockmassusingtheflexibleplateloadingmethod.1.2Thistestmethodisdesignedtobeconductedinanaditorsmallundergroundchamber;however,withsuitablemodificationsitcouldbeconductedatthesurface.1.3Thistestmethodisusuallyconductedparallelorperpendiculartotheanticipatedaxisofthrust,asdictatedbythedesignload.1.4Time-dependenttestsnotcoveredbythisstandardcanbeperformedbutaretobereportedinanotherstandard.1.5AllobservedandcalculatedvaluesshallconformtotheguidelinesforsignificantdigitsandroundingestablishedinPracticeD6026.1.5.1Themethodusedtospecifiyhowdataarecollected,calculated,orrecordedinthisstandardisnotdirectlyrelatedtotheaccuracytowhichthedatacanbeappliedindesignorotheruses,orboth.Howoneappliestheresultsobtainedusingthisstandardisbeyonditsscope.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thereferencesappendedtothisstandardcontainfurtherinformationonthistestmethod.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionstatements,seeSection8.
【中国标准分类号】:P13
【国际标准分类号】:
【页数】:9P.;A4
【正文语种】:英语
