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ASTM B177/B177M-2011 工程设计铬电镀层用标准指南

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【英文标准名称】:StandardGuideforEngineeringChromiumElectroplating
【原文标准名称】:工程设计铬电镀层用标准指南
【标准号】:ASTMB177/B177M-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:B08.08
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:铬电镀;工程设计电镀层
【英文主题词】:chromiumelectroplating;Engineeredelectrodepositedcoatings
【摘要】:1.1Thisguideprovidesinformationaboutthedepositionofchromiumonsteelforengineeringuses.Thisissometimescalledx201C;functionalx201D;orx201C;hardx201D;chromiumandisusuallyapplieddirectlytothebasismetalandisusuallythickerthandecorativedeposits.1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisguideisnotintendedasastandardizedprocedure,butasaguideforobtainingsmooth,adherentcoatingsofchromiumofadesiredthicknesswhileretainingtherequiredphysicalandmechanicalpropertiesofthebasemetals.SpecifiedchromiumelectrodepositsonferroussurfacesaredefinedinSpecificationB650.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:25_220_99
【页数】:6P.;A4
【正文语种】:


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【英文标准名称】:Signallingonlow-voltageelectricalinstallationsinthefrequencyrange3kHzto148,5kHz.Immunityrequirementsformainscommunicationsequipmentandsystemsoperatingintherangeoffrequencies95kHzto148,5kHzandintendedforuseinresidential
【原文标准名称】:频率范围为3KHz至148.5KHz的低压电气设备的信号传输.住户,商业和轻工用工作频率范围为95kHz-148.5kHz的主要通讯设备和系统的抗扰度要求
【标准号】:BSEN50065-2-1-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-04-11
【实施或试行日期】:2003-04-11
【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】:商业的;数据交换;数据传送;数据传输;定义(术语);家用电气设备;电气装置;电驱动装置;电磁兼容性;电磁兼容性(EMC);频率;频率范围;抗扰度;工业电力设备;信息交换;抗干扰度;干扰;极限(数学);低电压;低压电源;低压设备;市电供应;噪声电压;无线电干扰;住宅区;信号传输;信号;小型企业;规范(验收);电源;试验;测试条件;贸易
【英文主题词】:Commercial;Dataexchange;Datatransfer;Datatransmission;Definitions;Domesticelectricalinstallations;Electricalinstallations;Electrically-operateddevices;Electromagneticcompatibility;EMC;Frequencies;Frequencyranges;Immunity;Industrialelectricalinstallations;Informationinterchange;Interferencerejections;Interferences;Limits(mathematics);Lowvoltage;Lowvoltagemains;Low-voltageinstallations;Mainselectricitysupply;Noisevoltage;Radiodisturbances;Residentialareas;Signaltransmission;Signals;Smallenterprises;Specification(approval);Supplymains;Testing;Testingconditions;Trade
【摘要】:Thisstandardappliestoelectricalequipmentusingsignalsinthefrequencyrange95kHzto148,5kHztotransmitorreceiveinformationonlowvoltageelectricalsystems,residential,commercialandlightindustrialenvironments.Inthecaseofequipmentwhichincludesfunctionsotherthanthetransmissionorreceptionofinformationonlowvoltageelectricalsupplies,thisstandardappliesonlytothatpartoftheequipmentintendedforsuchtransmissionorreceptionofinformation.Otherpartsoftheequipmentshallcomplywiththeimmunitystandardorstandardsrelevanttothefunctionsofthoseotherparts.Intheeventoftestsbeingspecifiedinthoseotherstandardsofadifferentseverityandwheretheconstructionoftheequipmentissuchthatthefunctionscannotbetestedseparately,thehigherseverityshallapplytoallaffectedfunctions.Theobjectofthisstandardistolimitmutualinfluencebetweenmainscommunicationequipmentandsystems(MCES)operatingindifferentfrequencybandsasdefinedinEN50065-1andtocontributetoensuringElectromagneticCompatibilityingeneral.Itspecifiesessentialimmunityrequirementsandtestmethods,includingthosetestswhicharetobeperformedduringtype-testingofMCESonlow-voltageinstallations,forelectromagneticinterferenceingeneralandmorespecificinterferencecomingfromotherMCES.Itthereforedefinestheimmunitytestrequirementsforapparatusinrelationtocontinuousandtransientdisturbances,bothconductedandradiated,andelectrostaticdischarges.Testrequirementsarespecifiedforeachportconsidered.Thisstandardgiveslimitswhichareapplicabletoproductsoperatinginresidential,commercialandlightindustrialenvironments.Thelevelsdonothowevercoverextremecaseswhichmayoccurinanylocationbutwithalowprobabilityofoccurrence.Inspecialcasessituationswillarisewherethelevelofdisturbancesmayexceedthelevelsspecifiedinthisstandarde.g.whereahand-heldtransmitterisusedinproximitytoanapparatus.Intheseinstancesspecialmitigationmeasuresmayhavetobeemployed.Itdoesnotspecifyimmunitybetweenmainscommunicationsystemsoperatinginthesameband(asdefinedinEN50065-1)orimmunitytosignalsoriginatingfromPowerLineCarriersystemsoperatingonhighormediumvoltagenetworks.Safetyconsiderationsarenotincludedinthisstandard.
【中国标准分类号】:M30
【国际标准分类号】:33_040_30;33_100_20
【页数】:18P;A4
【正文语种】:英语


【英文标准名称】:Molecularabsorptionspectrophotometry.Spectrophotometersandphotometers.Recordcard.Standardlayout.
【原文标准名称】:分子吸收分光光度法.分光光度计和光度计.纪录卡.标准布局
【标准号】:NFT01-035-1979
【标准状态】:现行
【国别】:法国
【发布日期】:1979-12-01
【实施或试行日期】:
【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】:G04
【国际标准分类号】:71_040_10;17_180_30
【页数】:5P;A4
【正文语种】:其他