【英文标准名称】:StandardTestMethodsforContinuousMeasurementofOxidesofNitrogenintheAmbientorWorkplaceAtmospherebytheChemiluminescentMethod
【原文标准名称】:用化学发光法连续测定周围环境或工作场所空气中氮的氧化物含量的标准试验方法
【标准号】:ASTMD3824-1995(2005)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气;氮;氮氧化合物;含量测定;职业安全;测量;保健;分析
【英文主题词】:ambientatmospheres;analysis;chemiluminescencereaction;nitricoxide;nitrogendioxide;oxidesofnitrogen;sampling;workplaceatmospheres
【摘要】:Mostoxidesofnitrogenareformedduringhigh-temperaturecombustion.TheEnvironmentalProtectionAgency(EPA)hassetprimaryandsecondaryairqualitystandardsforNO2thataredesignedtoprotectthepublichealthandthepublicwelfare(40CFR,Part50).Oxidesofnitrogenaregeneratedbymanyindustrialprocessesthatcanresultinemployeeexposures.TheseareregulatedbytheOccupationalSafetyandHealthAdministration(OSHA)whichhaspromulgatedexposurelimitsfortheindustrialworkingenvironment(29CFR,Part1910).Thesemethodshavebeenfoundsatisfactoryformeasuringoxidesofnitrogenintheambientandworkplaceatmosphereovertherangesshownin1.1.1.1Thesetestmethodscoverproceduresforthecontinuousdeterminationoftotalnitrogendioxide(NO2)andnitricoxide(NO)asNOx,ornitricoxide(NO)aloneornitrogendioxide(NO2)alone,intherangesshowninthefollowingtable:RangeofConcentrationGasAmbientAtmosphereWorkplaceAtmosphereg/m3(ppm)(Note1)mg/m3(ppm)(NOTE1)NO10to600(0.01to0.5)0.6to30(0.5to25)(NO+NO2)=NOx20to1000(0.01to0.05)1to50(0.5to25)NO220to1000(0.01to0.5)1to50(0.5to25)【英文标准名称】:Textiles-Burstingpropertiesoffabrics-Part2:Pneumaticmethodfordeterminationofburstingstrengthandburstingdistension
【原文标准名称】:纺织品织物胀破特性第2部分:胀破强力测定的气压方法
【标准号】:ISO13938-2-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC38
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;方法;破碎压力;破碎强度;测定;机械试验;抗破碎强度;碎裂试验;布;突出物;爆裂试验;纺织材料;气动的
【英文主题词】:Bursttests;Burstingdistension;Burstingpressures;Burstingstrength;Burstingtests;Cloth;Coatedmaterials;Definitions;Determination;Knittedfabrics;Materialstesting;Mechanicaltesting;Methods;Non-wovenfabrics;Pneumatic;Prominences;Samplingmethods;Testing;Textiletesting;Textiles;Vaultingtests;Wovefabrics
【摘要】:Thisstandarddescribesapneumaticpressuremethodforthedeterminationofburstingstrengthandburstingdistensionoftextilefabrics.NOTE:ENISO13938-1describesamethodusinghydraulicpressure.Themethodisapplicabletoknitted,woven,nonwovenandlaminatedfabrics.Itmaybesuitableforfabricsproducedbyothertechniques.Thetestissuitablefortestspecimensineithertheconditionedorwetstate.Fromtheavailabledatathereappearstobenosignificantdifferenceintheburstingstrengthresultsachievedusinghydraulicorpneumaticbursttesters,forpressuresupto800kPa.Thispressurerangecoversthemajorityofperformancelevelsexpectedofgeneralapparel.Forspecialitytextilesrequiringhighburstingpressures,thehydraulicapparatusismoresuitable.
【中国标准分类号】:W04
【国际标准分类号】:59_080_30
【页数】:7P.;A4
【正文语种】:英语