ISO 8791-2-1990 纸和纸板粗糙度/平滑度的测定(空气泄漏法)第2部分:本特森法
时间:2024-05-16 06:03:08 来源: 标准资料网 作者：标准资料网 阅读：9808
【英文标准名称】:Paperandboard;determinationofroughness/smoothness(airleakmethods);part2:Bendtsenmethod
【原文标准名称】:纸和纸板粗糙度/平滑度的测定(空气泄漏法)第2部分:本特森法
【标准号】:ISO8791-2-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-05
【实施或试行日期】:1990-05-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC6
【标准类型】:()
【标准水平】:()
【中文主题词】:测定;试验;粗糙度;纸;纸板
【英文主题词】:Board(paper);Determination;Paper;Roughness;Roughness(surface);Testing;Tests
【摘要】:ThispartofISO8791specifiesamethodforthede-terminationoftheroughnessofpaperandboardusingtheBendtsenapparatus.ItshouldbereadinconjunctionwithISO8791-1.ThemethodisapplicabletopaperandboardwhichhaveBendtsenroughnessvaluesbetweenabout50ml/minand1200ml/min.Itisnotsuitableforsoftpaperswhichallowthelandtomakeasignificantimpressiononthesurfaceorforhighairpermeancepaperswhichallowasignificantflowofairtopassthroughthesheet,orforpaperswhichwillnotlieflatundertheheavymetalannulus.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforOperatingOpenFlameCarbonArcLightApparatusforExposureofNonmetallicMaterials
【原文标准名称】:非金属材料曝光用明焰碳弧光仪器操作的标准实施规范
【标准号】:ASTMG152-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:G03.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:人工气候环境试验;电弧;非金属的;阳光
【英文主题词】:accelerated;acceleratedweathering;carbonarc;durability;exposure;laboratoryweathering;light;lightfastness;nonmetallicmaterials;openflamecarbonarc;sunshinecarbonarc;temperature;ultraviolet;weathering
【摘要】:Theuseofthisapparatusisintendedtoinducepropertychangesassociatedwiththeenduseconditions,includingtheeffectsofsunlight,moisture,andheat.Theseexposuresmayincludeameanstointroducemoisturetothetestspecimen.Exposuresarenotintendedtosimulatethedeteriorationcausedbylocalizedweatherphenomena,suchasatmosphericpollution,biologicalattack,andsaltwaterexposure.Alternatively,theexposuremaysimulatetheeffectsofsunlightthroughwindowglass.Typically,theseexposureswouldincludemoistureintheformofhumidity.Cautions8212;RefertoPracticeG151forfullcautionaryguidanceapplicabletoalllaboratoryweatheringdevices.Variationinresultsmaybeexpectedwhenoperatingconditionsarevariedwithintheacceptedlimitsofthispractice.Noreference,therefore,shallbemadetoresultsfromtheuseofthispracticeunlessaccompaniedbyareportdetailingthespecificoperatingconditionsinconformancewithSection10.Itisrecommendedthatasimilarmaterialofknownperformance,acontrol,beexposedsimultaneouslywiththetestspecimentoprovideastandardforcomparativepurposes.Itisrecommendedthatatleastthreereplicatesofeachmaterialevaluatedbeexposedineachtesttoallowforstatisticalevaluationofresults.1.1Thispracticecoversthebasicprinciplesandoperatingproceduresforusingopenflamecarbon-arclightandwaterapparatusintendedtoreproducetheweatheringeffectsthatoccurwhenmaterialsareexposedtosunlight(eitherdirectorthroughwindowglass)andmoistureasrainordewinactualuse.Thispracticeislimitedtotheproceduresforobtaining,measuring,andcontrollingconditionsofexposure.Anumberofexposureproceduresarelistedinanappendix;however,thispracticedoesnotspecifytheexposureconditionsbestsuitedforthematerialtobetested.Note1PracticeG151describesperformancecriteriaforallexposuredevicesthatuselaboratorylightsources.ThispracticereplacesPracticeG23,whichdescribesveryspecificdesignsfordevicesusedforcarbon-arcexposures.TheapparatusdescribedinPracticeG23iscoveredbythispractice.1.2Testspecimensareexposedtofilteredopenflamecarbonarclightundercontrolledenvironmentalconditions.Differentfiltersaredescribed.1.3Specimenpreparationandevaluationoftheresultsarecoveredinmethodsorspecificationsforspecificmaterials.GeneralguidanceisgiveninPracticeG151andISO4892-1.MorespecificinformationaboutmethodsfordeterminingthechangeinpropertiesafterexposureandreportingtheseresultsisdescribedinPracticeD5870.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.5.1Shouldanyozonebegeneratedfromtheoperationofthelightsource,itshallbecarriedawayfromthetestspecimensandoperatingpersonnelbyanexhaustsystem.1.6ThispracticeistechnicallysimilartoISO4892-4.
【中国标准分类号】:H20
【国际标准分类号】:19_040
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Healthandsafetyinweldingandalliedprocesses-Laboratorymethodforsamplingfumeandgasesgeneratedbyarcwelding-Part4:fumedatasheets.
【原文标准名称】:焊接和相关工艺的卫生和安全.电弧焊产生的烟尘和气体取样的试验室方法.第4部分:烟尘数据单
【标准号】:NFA88-200-4-2006
【标准状态】:现行
【国别】:法国
【发布日期】:2006-08-01
【实施或试行日期】:2006-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:空气污染;分析;电弧焊接;化学分析和试验;定义;测定;排放测量;排放;格式(纸);气体;保健;实验室试验;测量技术;职业安全;颗粒物质的测定;污染物气体;呼吸保护;抽样方法;烟;技术数据单;焊接;自然工作条件
【英文主题词】:
【摘要】:
【中国标准分类号】:J33
【国际标准分类号】:13_100;25_160_01
【页数】:33P;A4
【正文语种】:其他