DIN EN 545-2010 水管用球墨铸铁管,配件,附件及其接头.试验方法和要求
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【英文标准名称】:Ductileironpipes,fittings,accessoriesandtheirjointsforwaterpipelines-Requirementsandtestmethods;GermanversionEN545:2010
【原文标准名称】:水管用球墨铸铁管,配件,附件及其接头.试验方法和要求
【标准号】:DINEN545-2010
【标准状态】:作废
【国别】:德国
【发布日期】:2010-12
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;铸铁管;铸铁;铸铁管线;铸铁管道;涂层;定义(术语);尺寸规格;配件;功能效率;功能可靠性;功能;作标记;材料;机械性能;管道配件;管道;管;管道工程系统;压力等级;质量保证;规范(验收);球墨铸铁;表(数据);试验;输水管道;水常规
【英文主题词】:Accessories;Castironpipes;Cast-iron;Cast-ironpipe;Cast-ironpipelines;Coatings;Definitions;Dimensions;Fittings;Functionalefficiency;Functionalreliability;Functions;Marking;Materials;Mechanicalproperties;Pipefittings;Pipelines;Pipes;Pipeworksystems;Pressureclasses;Qualityassurance;Specification(approval);Spheroidal-graphitecast-iron;Tables(data);Testing;Waterpipelines;Waterpractice
【摘要】:
【中国标准分类号】:Q81
【国际标准分类号】:23_040_10;23_040_40
【页数】:99P;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries.Screws,100degreescountersunkreducedhead,offsetcruciformrecess,closetolerancenormalshank,shortthread,intitaniumalloy,anodized,MoS2lubricated.Classification:1100MPa(atambienttemperature)/315degreescelsius.
【原文标准名称】:航空航天系列.100度减径沉头偏移十字槽紧配合普通柄短螺纹阳极化MOS2润滑钛合金制螺钉.等级:1100MPA(室温下)/315℃
【标准号】:NFL24-134-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-03-01
【实施或试行日期】:1997-03-05
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:10P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforCollectionandAnalysisofHexavalentChromiuminAmbientAtmospheres
【原文标准名称】:在周围环境中,工作地点或室内环境中六价氯采集和分析的标准试验方法
【标准号】:ASTMD5281-1998(2005)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:试验;空气质量;工作地点
【英文主题词】:ambientatmospheres;atmospheres;chromium;hexavalentchromium;indooratmospheres;sampling;work-placeatmospheres
【摘要】:Hexavalentchromiumhasbeenshowntobeahumanrespiratorycarcinogeninepidemiologicalstudieswhenhumansareexposedtorelativelyhighairborneconcentrations.Suchhighexposuresmayalsoinducedermalsensitizationtohexavalentchromiuminhumans(5).AmbientatmosphericconcentrationsofhexavalentchromiumarewellbelowdetectionlimitsofsamplingmethodsincludingTestMethodD3586andNIOSH-7600(1).Objectiveassessmentofambientatmosphericconcentrationsofhexavalentchromiumprovidesameansofevaluatingexposurestoatmospherichexavalentchromiuminamannerthatcanberelatedtohealth-basedrisklevels.Collectingsuchactualmonitoringdatareducesoreliminatestheneedfortheoreticalresuspensionmodelingandprovidesimprovedbasisforhealthassessmentsofpotentialexposures(5).ThebufferedimpingersamplingtechniqueprovidespHcontrolofthesamplingmedium,whichstabilizestheoxidationstateofhexavalentchromiumduringsampling(6).Ionchromatographyprovidesameansofseparatingthehexavalentchromiumfromotherspeciespresentinthesample,manyofwhichinterferewithotherdetectionmethods.Thecombinationofthisseparationwithasensitivecolorimetricdetectionmethodprovidesaselectiveandsensitiveanalyticalmethodforhexavalentchromiumwithminimalsamplepreparation(4).1.1Thistestmethodcoversthecollectionandmeasurementofhexavalentchromium[Cr(VI)]intheambientatmosphere.1.2Thistestmethodcollectsandstabilizesatmospherichexavalentchromiumusinganalkalineimpingerbuffersolutioninawetimpingementsamplingtechnique.Leadchromate[PbCrO4],generallyconsideredpoorlysolubleinwater,issolubleintheimpingersolutionupto940g/Lashexavalentchromium.1.3Thistestmethodmeasureshexavalentchromiumusinganionchromatographicseparationcombinedwithapostseparationreactionwithacolorimetricreagentandphotometricdetection.1.4Thistestmethodisapplicableintherangefrom0.2to100ng/m3ofhexavalentchromiumintheatmosphereassuming20m3ofairsample.Therangecanbeextendedupwardsbyappropriatedilution.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_30
【页数】:8P.;A4
【正文语种】:
