BS ISO 13653-1997 光学和光学仪器.一般光学试验方法.成像区相关辐照度的测量
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【英文标准名称】:Opticsandopticalinstruments-Generalopticaltestmethods-Measurementofrelativeirradianceintheimagefield
【原文标准名称】:光学和光学仪器.一般光学试验方法.成像区相关辐照度的测量
【标准号】:BSISO13653-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:名称与符号;光学测量;试样;光学;材料的光学性质;试验设备;光学仪器;图解表示法;眼科设备;眼科学;辐射通量密度
【英文主题词】:Definition;Definitions;Evaluations;Imageplane;Irradiance;Measurement;Measuringtechniques;Opticalequipment;Opticalinstruments;Opticalmeasurement;Opticalpropertiesofmaterials;Opticalsystems;Optics;Quality;Radiantfluxdensity;Radiationmeasurement;Testing
【摘要】:ThisInternationalStandardisapplicabletoopticalimagingsystemsintheopticalspectralregionfromλ=100nmtoλ=1μm.Theoreticalreflectionsandthecomparisonwiththecalculationapplyonlytoopticalsystems.Theseneednot,however,berotationallysymmetric;anamorphicsystems,forexample,areincluded.Telescopicsystemsarealsoincluded.ThetitleofthisInternationalStandardreferstotherelativeirradianceintheimagefield,butthisstandardisalsoapplicabletodeterminationoftherelativeradiantpower.NOTE—Fortelescopicsystemsitwillbesuitabletostateonlytheradiantpower;formostimagingsystems,theconversionfromradiantpowertoirradiancewillbeeasy.Asfarasmeasurementsareconcerned,thisInternationalStandardcanalsobeappliedtoelectro-opticalsystems.Thetwomethodsdescribeddifferparticularlyintheinfluenceofveilingglare.
【中国标准分类号】:N30
【国际标准分类号】:37_020
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:ElectromagneticcompatibilityandRadiospectrumMatters(ERM)-ElectroMagneticCompatibility(EMC)standardformarineradioequipmentandservices-Part2:specificconditionsforVHFradiotelephonetransmittersandreceivers(V1.2.1).
【原文标准名称】:电磁兼容性和无线电频谱情况(ERM).无线电设备和辅助设备的电磁兼容性标准.第2部分:VHF无线电话发射机和接收机的特殊条件
【标准号】:NFZ84-843-2-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-10-01
【实施或试行日期】:2004-10-20
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Communicationtechnology;Electromagneticcompatibility;EMC;Emission;ETSI;Informationprocessing;Interferingemissions;Marineradio;Radiosystems;Radiotelephones;Receivers;Regulations;Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Telephonenetworks;Transmitters;VHF;Watertransport
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_01;33_100_10
【页数】:14P.;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforMeasuringCompressivePropertiesofThermalInsulations
【原文标准名称】:测量隔热材料压缩特性的标准试验方法
【标准号】:ASTMC165-2007
【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】:C16.32
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:抗压强度;测量技术;特性;材料强度;隔热
【英文主题词】:blanket-type;block-type;board-type;compressiontesting;compressiveresistance;deformation;modulusofelasticity;thermalinsulation;thermalinsulationmaterials
【摘要】:InprovidingProceduresAandB,itisrecognizedthatdifferenttypesofthermalinsulationwillexhibitsignificantlydifferentbehaviorundercompressiveload.Datamustusuallybeobtainedfromacompleteload-deformationcurve,andtheusefulworkingrangenormallycorrespondstoonlyaportionofthecurve.Theuseriscautionedagainstuseoftheproductintherangebeyondwhichtheproductispermanentlydamagedorpropertiesareadverselyaffected.Load-deformationcurvesprovideusefuldataforresearchanddevelopment,qualitycontrol,specificationacceptanceorrejection,andforotherspecialpurposes.Standardloadingratesshallnotbeusedarbitrarilyforallpurposes;theeffectsofimpact,creep,fatigue,andrepeatedcyclingmustbeconsidered.Allload-deformationdatashallbereviewedcarefullyforapplicabilitypriortoacceptanceforuseinengineeringdesignsdifferingwidelyinload,loadapplicationrate,andmaterialdimensionsinvolved.1.1Thistestmethodcoverstwoproceduresfordeterminingthecompressiveresistanceofthermalinsulations.1.1.1ProcedureAcoversthermalinsulationshavinganapproximatestraight-lineportionofaload-deformationcurve,withorwithoutanidentifiableyieldpointasshowninFigs.1and2.Suchbehavioristypicalofmostrigidboardorblock-typeinsulations.1.1.2ProcedureBcoversthermalinsulationsthatbecomeincreasinglymorestiffasloadisincreased,asshowninFig.3.Suchbehavioristypicaloffibrousbattandblanketinsulationsthathavebeencompressedpreviouslytoatleastthesamedeformationbycompressionpackagingormechanicalsoftening.1.2ItisrecognizedthattheclassificationofmaterialsunderProceduresAandBshallnotholdinallcases.Forexample,somebattorblanketmaterialsthathavenotbeencompressionpackagedwillexhibitbehaviormoretypicalofProcedureAfortheirfirstloadings.Also,somehigherdensityfibrousinsulationboardsthathavebeenprecompressedwillexhibitload-deformationcurvesmoretypicalofProcedureB.Therewillalsobethermalinsulationswithload-deformationcurvesthatfollownoneofthethreetypesshownhere;thatis,curveswithnostraight-lineportion,curveswithcompactionareas,andcurvesthatchangefromnegativetopositiveslope.1.3Thistestmethoddoesnotcoverreflectiveorloosefillinsulations.1.4Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:91_100_60
【页数】:5P.;A4
【正文语种】: