SAE AMS2816 Identification Welding Wire, Tab Marking Method
作者:标准资料网 时间:2024-05-22 10:54:52 浏览:8749
来源:标准资料网
Product Code:SAE AMS2816
Title:Identification Welding Wire, Tab Marking Method
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers procedures for tab marking of bare welding wire to provide positive identification of cut lengths and spools.
【英文标准名称】:Radiodisturbancecharacteristicsfortheprotectionofreceiversusedonboardvehicles,boatsandondevices-Limitsandmethodsofmeasurement
【原文标准名称】:车载、船载和设备上的接收机保护用抗无线电干扰特征.测量限值和方法
【标准号】:BSEN55025-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-03-13
【实施或试行日期】:2003-03-13
【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】:小艇;广播接收机;汽车用收音机;定义;电气工程;仪器;干扰辐射;极限(数学);测量;测量技术;辐射;无线电干扰;规范(验收);车辆;船舶
【英文主题词】:Boats;Broadcastreceivers;Carradios;Definition;Definitions;Electricalengineering;Instruments;Interferingemissions;Limits(mathematics);Measurement;Measuringtechniques;Radiation;Radiodisturbances;Specification(approval);Vehicles;Vessels
【摘要】:ThisInternationalStandardcontainslimits1andproceduresforthemeasurementofradiodisturbancesinthefrequencyrangeof150kHzto1000MHz.Thestandardappliestoanyelectronic/electricalcomponentintendedforuseinvehiclesanddevices.RefertoInternationalTelecommunicationsUnion(ITU)publicationsfordetailsoffrequencyallocations.Thelimitsareintendedtoprovideprotectionforreceiversinstalledinavehiclefromdisturbancesproducedbycomponents/modulesinthesamevehicle2.ThemethodsandlimitsforacompletevehicleareinClause5andthemethodsandlimitsforcomponents/modulesareinClause6.NOTEAchievingsatisfactorycompatibilitywithon-boardradioreceptionwillalsoinmostcasesprovidesatisfactorycompatibilitywithadjacentradioreceiverreception.Thereceivertypestobeprotectedare:soundandtelevisionreceivers3,landmobileradio,radiotelephone,amateurandcitizens'radio.Forthepurposeofthisstandard,avehicleisamachine,whichisself-propelled.Vehiclesinclude(butarenotlimitedto)passengercars,trucks,agriculturaltractorsandsnowmobiles.AnnexAprovidesguidanceindeterminingwhetherthisstandardisapplicabletoaparticularequipment.Thelimitsinthisstandardarerecommendedandsubjecttomodificationasagreedbetweenthevehiclemanufacturerandthecomponentsupplier.Thisstandardisalsointendedtobeappliedbymanufacturersandsuppliersofcomponentsandequipmentwhicharetobeaddedandconnectedtothevehicleharnessortoanon-boardpowerconnectorafterdeliveryofthevehicle.ThisInternationalStandarddoesnotincludeprotectionofelectroniccontrolsystemsfromradiofrequency(RF)emissions,orfromtransientorpulse-typevoltagefluctuations.ThesesubjectsareexpectedtobeincludedinISOpublications.ThemethodsdescribedinClauses5and6applytothesuppressionofon-boardradiodisturbancesformotorvehicles,devicesandworkingmachinery,toachieveacceptableradioreceptionwithon-boardradioreceivers.Therequirementscontainedhereinspecifythemaximumpermissibledisturbancevoltageatthereceiverendofthevehicleantennatransmissionlineinthefrequencyrangeof150kHzto1000MHz.On-boardradiodisturbancesuppressionreducestheradiodisturbanceenergywhichisappliedbyelectricalequipmentwithinthevehicletotheon-boardpowersupplyofavehicle.Disturbancescanalsobecoupledfromvehiclewiringtothereceivingantennaonthevehicle.Botharticlesdescribemethodsofsafeguardingradioreceptioninthesamevehicleinwhichthedisturbancearises.AnnexBprovidesahelpfulmethodologyforresolutionofdisturbanceproblems.Sincethemountinglocation,vehiclebodyconstructionandharnessdesigncanaffectthecouplingofradiodisturbancestotheon-boardradio,Clause6ofthisstandarddefinesmultiplelimitlevels.Thelevelclasstobeused(asafunctionoffrequencyband)willbeagreeduponbetweenthevehiclemanufacturerandthecomponentsupplier.TheWorldAdministrativeRadiocommunicationsConference(WARC)lowerfrequencylimitinregion1wasreducedto148,5kHzin1979.Forvehicularpurposes,testsat150kHzareconsideredadequate.Forthepurposesofthisstandard,testfrequencyrangeshavebeengeneralizedtocoverradioservicesinvariouspartsoftheworld.Protectionofradioreceptionatadjacentfrequenciescanbeexpectedinmostcases.
【中国标准分类号】:U66;T36;L06
【国际标准分类号】:33_100_20
【页数】:68P;A4
【正文语种】:英语
【英文标准名称】:Photography-Processingchemicals-Specificationsforanhydrouspotassiumcarbonate
【原文标准名称】:摄影技术.洗片化学制品.无水碳酸钾规范
【标准号】:BSISO3623-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-04-15
【实施或试行日期】:1995-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:摄影材料;检定;钾无机化合物;试验条件;容量分析;含量测定;化学分析和试验;碳酸盐;挥发物测定;照相药品;纯度;摄影
【英文主题词】:Anhydride;Chemicalanalysisandtesting;Chemicals;Developers;Materialsspecification;Photochemistry;Photographicchemicals;Photographicmaterials;Photography;Potassiumcarbonate;Puritycriterion;Puritytest
【摘要】:Cancelsandreplacesthefirstedition(1976).Establishescriteriaforthepurityofphotographic-gradeanhydrouspotassiumcarbonateandspecifiestheteststobeusedtodeterminethepurity.
【中国标准分类号】:G84
【国际标准分类号】:37_040_30
【页数】:16P;A4
【正文语种】:英语
