ANSI/AWS A5.23/A 5.23M-1997 埋弧焊用低合金钢电极和助熔剂规范

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【英文标准名称】:SpecificationforLow-AlloySteelElectrodesandFluxesforSubmergedArcWelding
【原文标准名称】:埋弧焊用低合金钢电极和助熔剂规范
【标准号】:ANSI/AWSA5.23/A5.23M-1997
【标准状态】:作废
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Arcwelding;Low-alloysteels;Weldingelectrodes;Weldingengineering
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:25_160_20
【页数】:
【正文语种】:英语


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【英文标准名称】:Electromagneticcompatibility(EMC)-Genericstandards-Immunityforresidential,commercialandlight-industrialenvironments
【原文标准名称】:电磁兼容性.通用标准.住宅区、商业区和轻工业区不敏感性
【标准号】:BSEN61000-6-1-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-10-23
【实施或试行日期】:2001-10-23
【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】:电磁兼容性;电磁场;电力系统干扰;电磁辐射;工作环境;乱真信号;无线电干扰;直流电流;低压电器;工业的;家用的;频率;电气试验;商业的;电力系统;性能试验;电子设备及元件;电气设备
【英文主题词】:Commercialenterprises;Definition;Definitions;Electricpowersystems;Electricalengineering;Electrically-operateddevices;Electromagneticcompatibility;Electronically-operateddevices;EMC;Emissions;Equipment;Frequencyranges;Genericspecification;Industries;Interferencerejections;Operation;Performanceinservice;Powersupplysystem;Residentialareas;Shops;Specification(approval);Testing;Testingconditions;Testingrequirements;Trade;Tradeareas
【摘要】:ThissectionofIEC61000-6forEMCimmunityrequirementsappliestoelectricalandelectronicapparatusintendedforuseinresidential,commercialandlight-industrialenvironments,asdescribedinclause4,forwhichnodedicatedproductorproduct-familyimmunitystandardexists.Immunityrequirementsinthefrequencyrange0Hzto400GHzarecovered.Wherearelevantdedicatedproductorproduct-familyEMCimmunitystandardexists,itshalltakeprecedenceoverallaspectsofthisgenericstandard.Thisstandardappliestoapparatusintendedtobedirectlyconnectedtoalow-voltagepublicmainsnetworkorconnectedtoadedicatedd.c.sourcewhichisintendedtointerfacebetweentheapparatusandthelow-voltagepublicmainsnetwork.Thisstandardappliesalsotoapparatuswhichisbatteryoperatedorispoweredbyanon-public,butnon-industrial,low-voltagepowerdistributionsystemifthisapparatusisintendedtobeusedinthelocationsdescribedinclause4.Apparatusintendedtobeconnectedtoanindustrialpowernetworkandapparatusintendedtobeoperatedinanindustrialenvironmentarecoveredbytheindustrialgenericstandard,IEC61000-6-2.Theobjectofthisstandardistodefinetheimmunitytestrequirementsforapparatusdefinedinthescopeinrelationtocontinuousandtransient,conductedandradiateddisturbancesincludingelectrostaticdischarges.Thesetestrequirementsrepresentessentialelectromagneticcompatibilityimmunityrequirements.Theimmunityrequirementshavebeenselectedtoensureanadequatelevelofimmunityforapparatusatresidential,commercialandlight-industriallocations.Thelevelsdonothowevercoverextremecaseswhichmayoccuratanylocationbutwithanextremelylowprobabilityofoccurrence.Notalldisturbancephenomenahavebeenincludedfortestingpurposesinthisstandardbutonlythoseconsideredasrelevantfortheequipmentcoveredbythisstandard.Testrequirementsarespecifiedforeachportconsidered.NOTE-Inspecialcases,situationswillarisewherethelevelsofdisturbancesmayexceedthetestlevelsspecifiedinthisstandard;forexamplewhereahand-heldtransmitterisusedinproximitytoanapparatus.Intheseinstances,specialmitigationmeasuresmayhavetobeemployed.
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:Bolts,MetricHeavyHexStructural
【原文标准名称】:米制重六角形结构螺栓
【标准号】:ANSI/ASMEB18.2.3.7M-1979
【标准状态】:作废
【国别】:美国
【发布日期】:1979
【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】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:螺栓;锁定装置及定位装置;米制的
【英文主题词】:Bolts;Construction;Dimensions;Fasteners;Hexagonalheadbolts;Lockingandlocatingdevices;Metric;Tolerances(measurement)
【摘要】:ThisStandardcoversthecompletedimensionalandgeneraldataformetricheavyhexstructuralboltsrecognizedasAmericanNationalStandard.TheinclusionofdimensionaldatainthisStandardisnotintendedtoimplythatallproductsdescribedarestockproductionitems.Consumersshouldconsultwithsuppliersconcerningavailabilityofproducts.
【中国标准分类号】:J13
【国际标准分类号】:21_060_10
【页数】:
【正文语种】:英语