【英文标准名称】:Fireresistancetests-Part2:Alternativeandadditionalprocedures;GermanversionEN1363-2:1999
【原文标准名称】:防火试验.第2部分:备选方法和补充方法
【标准号】:DINEN1363-2-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-10
【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】:耐火性;燃烧试验;烃类;性能试验;分类系统;冲击试验;检验荷载;试验;元部件;支承结构;防火;建筑;条件;曲线;规范(验收);防火耐火结构;容许的;火焰表面传播
【英文主题词】:
【摘要】:Thisdocumentspecifiesalternativeheatingconditionsandqualifiyingproceduresthatmayneedtobeadoptedunderspecialcircumstances.
【中国标准分类号】:C82
【国际标准分类号】:13_220_50
【页数】:10P;A4
【正文语种】:德语


【英文标准名称】:Workplaceatmospheres.Characterizationofultrafineaerosols/nanoaerosols.Determinationofthesizedistributionandnumberconcentrationusingdifferentialelectricalmobilityanalysingsystems
【原文标准名称】:工作场所空气.工作场所超细悬浮微粒/纳米悬浮微粒的描述.用差示电迁移率分析系统测定粒径分布和数量浓度
【标准号】:BSENISO28439-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-04-30
【实施或试行日期】:2011-04-30
【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;Air;Airpollution;Airquality;Analysis;Atmosphere;Atmosphericpollutants;Characterisations;Chemicalcomposition;Chemicalproperties;Chemicals;Concentration;Concentration(chemical);Dangerousmaterials;Dangerousstuffs;Definitions;Determination;Emissionmeasurement;Environment(working);Environmentalcondition;Evaluations;Exposure;Fine;Hazards;Healthprotection;Inhaledair;Measurement;Measuringincertainity;Measuringtechniques;Methodsformeasuring;Metrology;Occupationalsafety;Particles;Pollutantconcentration;Pollutants;Pollutionoftheair;Properties;Safetyengineering;Specification(approval);Spectrometers;Spectrometry;Strategyofmeasurement;Testing;Workingmaterials;Workingplaceconcentration;Workingplaces;Workplacesafety;Zonesofreach
【摘要】:ThisInternationalStandardprovidesguidelinesforthedeterminationofthenumberconcentrationandsizedistributionofultrafineaerosolsandnanoaerosolsbyuseofmobilityparticlesizers(alsocalleddifferentialmobilityanalysers).Onlytheparticlefractionoftheaerosolisconsidered.Forultrafineaerosolsandnanoaerosols,exposuremetricssuchasthenumberandsurfaceareaconcentrationareimportant.ThisInternationalStandardalsogivesguidelinesforthedeterminationofworkplaceexposuretoultrafineaerosolsandnanoaerosols.Specifically,thedifferentialmobilityanalysingsystem(DMAS),nowavailablefromseveralvendors,isdiscussed.Principlesofoperation,problemsofsamplingintheworkplaceenvironment,calibration,equipmentmaintenance,measurementuncertainty,andreportingofmeasurementresultsarecovered.Potentialproblemsandlimitationsaredescribed,whichneedtobeaddressedwhenlimitvaluesarefixedandcompliancemeasurementscarriedout.
【中国标准分类号】:C70
【国际标准分类号】:13_040_30
【页数】:26P.;A4
【正文语种】:英语