ASME Y14.18M-1986 光学零件
作者:标准资料网 时间:2024-05-10 22:47:52 浏览:8573
来源:标准资料网
【英文标准名称】:Opticalparts
【原文标准名称】:光学零件
【标准号】:ASMEY14.18M-1986
【标准状态】:作废
【国别】:美国
【发布日期】:1986
【实施或试行日期】:
【发布单位】:美国机械工程师协会(ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:图纸;棱镜;公差;光学;光学元件;工程图;透镜;尺寸;尺寸选定
【英文主题词】:Dimensioning;Dimensions;Drawings;Engineeringdrawings;Lenses;Metric;Opticalelements;Optics;Prisms(optical);Tolerances(measurement)
【摘要】:
【中国标准分类号】:N30
【国际标准分类号】:01_100_20;37_020
【页数】:37P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingInitial,Fractional,FiltrationEfficiencyofaVacuumCleanerSystem
【原文标准名称】:测定真空吸尘器系统初始部分过滤效率的标准试验方法
【标准号】:ASTMF1977-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F11.23
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;效率;过滤;真空清洁设备;真空吸尘器;家用设备;过滤器;给养设备
【英文主题词】:efficiency;filtration;vacuumcleaner
【摘要】:Itiswellknownthatmodernelectricalappliances,incorporatingelectricmotorsthatusecarbonbrushesforcommutation,mayemitaerosolized,particlesintothesurroundingenvironment.Thistestmethoddeterminestheinitial,fractional,filtrationefficiencyofavacuumcleanersystem,takingthoseemissionsintoconsideration.Forallvacuumcleanersystemstested,thetotalemissionsoftheunit,whateverthesource(s),willbecountedateachofthesixparticlesizelevelsidentifiedinthetestprocedure.Thistestmethoddeterminestheinitial,fractionalfiltrationefficiencyofavacuumcleanersystem,withorwithoutthemotoremissionsmathematicallyremovedinthecalculationofefficiency.1.1Thistestmethodmaybeusedtodeterminetheinitial,fractional,filtrationefficiencyofhouseholdandcommercialcanister(tank-type),stick,hand-held,upright,andutilityvacuumcleanersystems.1.1.1Water-filtrationvacuumcleanerswhichdonotutilitzeareplaceabledrymediafilterlocatedbetweenthewater-basedfilterandcleaningairexhaustarenotincludedinthistestmethod.Ithasbeendeterminedthattheexhaustofthesevacuumcleanersisnotcompatiblewiththespecifieddiscreteparticlecounter(DPC)procedure.1.2Theinitial,fractional,filtrationefficienciesoftheentirevacuumcleanersystem,atfourdiscreteparticlesizes(0.3,0.5,1.0and2.5181m),isderivedbycountingupstreamchallengeparticlesandtheconstituentofdownstreamparticleswhilethevacuumcleanersystemisbeingoperatedinastationarytestcondition.1.3Thevacuumcleanersystemistestedatthenozzleunderanormalairflowrateequivalentto150%oftheairflowrateproducedatthemaximumairpowerpointasdeterminedinaccordancewithTestMethodF558.【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-MaliciousCallIdentification(MCID)supplementaryservice-DigitalSubscriberSignallingSystemNo.one(DSS1)protocol-Part1:Protocolspecification(EndorsementoftheEnglishversionEN300130-1V1.2.4
【原文标准名称】:综合业务数字网(ISDN).恶意呼叫识别(MCID)补充业务.数字用户用1号信令系统(DSS1)协议.第1部分:协议规范
【标准号】:DINEN300130-1-2000
【标准状态】:现行
【国别】:德国
【发布日期】:2000-01
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:自动电话系统;数字连接;电话交换站;信号发送系统;连接线;补充业务;传输协议;综合业务数字网络;电信;电信;服务定义;识别
【英文主题词】:Automatictelephonesystems;Connectionlines;Digitalconnections;Identification;ISDN;Servicedefinition;Signallingsystems;Supplementaryservices;Telecommunication;Telecommunications;Telephoneexchang
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:1P;A4
【正文语种】:德语
