UL 697-2011 玩具用变压器
作者:标准资料网 时间:2024-05-18 03:53:50 浏览:9239
来源:标准资料网
【英文标准名称】:Toytransformers
【原文标准名称】:玩具用变压器
【标准号】:UL697-2011
【标准状态】:现行
【国别】:美国
【发布日期】:2011-03-03
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;防火;隔离变压器;试验;玩具变压器;玩具;变压器
【英文主题词】:Electricalengineering;Fireproofness;Isolatingtransformers;Testing;Toytransformer;Toys;Transformers
【摘要】:
【中国标准分类号】:L17
【国际标准分类号】:29_180
【页数】:
【正文语种】:英语
【英文标准名称】:Ambientairquality.Measurementofbioaerosols.Determinationofmouldsusingfiltersamplingsystemsandculture-basedanalyses
【原文标准名称】:环境空气质量.生物气溶胶的测量.使用过滤器抽样系统和培养基分析的霉菌测定
【标准号】:BSDDCEN/TS16115-1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-05-31
【实施或试行日期】:2011-05-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:IEC/TC55
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aerosols;Agar;Air;Airpurification;Airquality;Ambientair;Concentration;Concentrationofparticles;Conventionaldetermination;Culturemedia;Definitions;Filters;Filtration;Measurement;Measuringtechniques;Micro-organisms;Mould;Mouldfungi;Pollutionoftheair;Quantitativeanalysis;Samplingmethods;Suspendeddust
【摘要】:ThisTechnicalSpecificationdescribesthemeasurementofmouldsinambientairinordertoidentify,quantifyandcharacterizebioaerosolpollutioninambientairresultingfromemissionsfromdifferentsources.Themethoddescribedspecifiesthesamplingofmouldsaspartofthesuspendedparticulatematter(SPM,hereparticleswithaerodynamicdiameteruptoca.30μm)usingafiltersamplingsystemwithgelatine/polycarbonatefiltercombinationfollowedbytheculture-basedanalysesonDG18agar.Thesamplingdurationcanbevariedbetween10minto24h.Thehealtheffectofbioaerosolsisnotlimitedtoanyparticlefraction,therefore,thisdocumentdescribesthesamplingofmouldsaspartofthesuspendedparticulatematterasaconventionmethod.NOTEThesamplingmethoddescribedinthisdocumentinprincipleislikelytobeappropriateforthesamplingofactinomycetesandotherspore-formingbacteria(resistanttodesiccation).Forthesespeciesaspecialanalyticalprocedureusingdifferentculturemediashouldbeapplied,butthisisnotwithinthescopeofthisdocument.ThestandardmethodsetoutinthisTechnicalSpecificationisacceptedbyconventionasreferencemethod.Themeasuredquantity,herethenumberofcolonyformingunitspercubicmeter(CFU/m),isdeterminedbytheinletdesignofthesamplinghead,theassociatedoperationalparametersandtheanalyticalprocedure.Standardizedmethodsforsampling,detectionandenumerationofmouldsincludingstandardsforsamplingstrategiesareimportantforcomparativeassessmentofmouldsinambientair.Beforedoinganymeasurementsaplanforthemeasurementstrategyisnecessary(seeCEN/TS16115-2[5]).WARNING—TheuseofthisTechnicalSpecificationmayinvolvehazardousmaterials,operationsandequipment.ThisTechnicalSpecificationdoesnotpurporttoaddressallthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C70
【国际标准分类号】:13_040_20
【页数】:50P.;A4
【正文语种】:英语
【英文标准名称】:Opticalfibreamplifiers-Basicspecification-Testmethodsforreflectanceparameters-Reflectancetoleranceusinganelectricalspectrumanalyser
【原文标准名称】:光纤放大器.基本规范.反射参数的试验方法.用电子学光谱分析仪测定反射公差
【标准号】:BSEN61290-5-3-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-07-22
【实施或试行日期】:2002-07-22
【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】:规范(验收);测量;试验;噪声指数;基本详述;数学计算;参数;反射系数的测量;反射率;回程损耗;光纤;反射;试验设备;规范;光波导;光学纤维;光学;放大器;电气工程;光谱分析
【英文主题词】:Amplifiers;Basicspecification;Electricalengineering;Fibreoptics;Mathematicalcalculations;Measurement;Noisefigure;Opticalfibres;Opticalwaveguides;Optics;Parameters;Reflectance;Reflectancemeasurement;Reflection;Returnloss;Specification;Specification(approval);Spectralanalysis;Testset-ups;Testing
【摘要】:TobereadinconjunctionwithBSEN61291-1:1998,IEC61290-3-2
【中国标准分类号】:M33
【国际标准分类号】:33_180_30
【页数】:16P;A4
【正文语种】:英语
