BS 88-2.2-1988 不超过1000V交流和1500V直流低压熔断器盒.第2部分:专职人员使用的熔断器(主要是工业用熔断器)规范.第2节:带栓接链的熔断器补充要求
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【英文标准名称】:Cartridgefusesforvoltagesuptoandincluding1000Va.c.and1500Vd.c.Specificationforfusesforusebyauthorizedpersons(mainlyforindustrialapplication)-Additionalrequirementsforfuseswithfuse-linksforboltedconnections
【原文标准名称】:不超过1000V交流和1500V直流低压熔断器盒.第2部分:专职人员使用的熔断器(主要是工业用熔断器)规范.第2节:带栓接链的熔断器补充要求
【标准号】:BS88-2.2-1988
【标准状态】:现行
【国别】:英国
【发布日期】:1988-10-31
【实施或试行日期】:1988-10-31
【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】:功率损耗;额定功率;温升;试验设备;管状熔断片;电气保护设备;电气试验;熔断器支持件;断路容量;尺寸;熔断器;熔断体;设计;螺栓连接;验证;额定电流;断流试验;性能试验;工业的
【英文主题词】:Boltedjoints;Breakingcapacity;Cartridgefuse-links;Design;Dimensions;Electricalprotectionequipment;Electricaltesting;Fuse-holders;Fuse-links;Fuses;Industrial;Interruptiontests;Performancetesting;Powerlosses;Ratedcurrent;Ratedpower;Temperaturerise;Testequipment;Verification
【摘要】:RequirementssupplementarytothoseofPart1andPart2:Section2.1.
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:20P.;A4
【正文语种】:英语
【英文标准名称】:Fluidpowersystemsandcomponents;Multiplelippackingsets;Methodsformeasuringstackheights
【原文标准名称】:流体传动系统和元件多层唇形密封组件测量叠合高度的方法
【标准号】:ISO3939-1977
【标准状态】:现行
【国别】:国际
【发布日期】:1977-03
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC131
【标准类型】:()
【标准水平】:()
【中文主题词】:液压传动;密封件;唇形密封件;包装件;测量;液压传动系统;堆置高度;液压填密密封件;气动设备;尺寸测量;液压设备
【英文主题词】:Dimensionalmeasurement;Hydraulicequipment;Hydraulicfluidpower;Hydraulictransmissionsystems;Hydraulic-packingseals;Lipseals;Measurement;Packages;Pneumaticequipment;Seals;Stackingheights
【摘要】:Specifiesmethodsformeasuringsealingdeviceshavingmorethanonesealintheset.Specifiesmethodsformeasuringstackheightinordertodeterminethatthesetsaretoanacceptabledimensionalstandard.Doesnotspecifythedimensionsforpackingsetsortheircomponents.Describesthreeacceptablemethods,andfigure1showsatypicalmeasuringdeviceforthemethods1and2,thefigures3and4showatypicalsetupforthemethods2and3,andfigure2showsatypicaldeviceforthemethod2.
【中国标准分类号】:J20;J22
【国际标准分类号】:23_100_60
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticefortheMeasurementoftheApparentAttenuationofLongitudinalUltrasonicWavesbyImmersionMethod
【原文标准名称】:用浸渍法测量纵向超声波的表面衰减的标准操作规程
【标准号】:ASTME664-1993(2005)
【标准状态】:现行
【国别】:
【发布日期】:1993
【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】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:超声波学;测量;衰减;试验;无损检验
【英文主题词】:apparentattenuation;attenuation;immersionmethod;nondestructiveexamination;ultrasonicexamination
【摘要】:Themeasurementofapparentattenuationinmaterialsisusefulinapplicationssuchasthecomparisonofheattreatmentsofdifferentlotsofmaterialortheassessmentofthedegradationofmaterialsduetoenvironment.Severaldifferentmodesofwavevibrationcanbepropagatedinsolids.Thispracticeisconcernedwiththeattenuationassociatedwithlongitudinalwavesintroducedintothespecimenbytheimmersionmethod.Thispracticeallowsforthecomparisonoftheapparentattenuationsofgeometricallysimilarspecimens.Forthedeterminationofapparentattenuation,theproceduresdescribedhereinarevalidonlyformeasurementsinthefarfieldoftheultrasonicbeam.1.1Thispracticedescribesaprocedureformeasuringtheapparentattenuationofultrasoundinmaterialsorcomponentswithflat,parallelsurfacesusingconventionalpulse-echoultrasonicflawdetectionequipmentinwhichreflectedindicationsaredisplayedinanA-scanpresentation.1.2Themeasurementprocedureisreadilyadaptableforthedeterminationofrelativeattenuationbetweenmaterials.Forabsolute(true)attenuationmeasurements,indicativeoftheintrinsicnatureofthematerial,itisnecessarytocorrectforspecimengeometry,soundbeamdivergence,instrumentation,andproceduraleffects.Theseresultscanbeobtainedwithmorespecializedultrasonicequipmentandtechniques.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_01
【页数】:3P.;A4
【正文语种】:
