DIN EN 654-2011 弹性地板覆盖物.半柔性聚氯乙烯瓷砖.规格.德文版本EN654-2011
作者:标准资料网 时间:2024-04-28 22:43:31 浏览:8099
来源:标准资料网
【英文标准名称】:Resilientfloorcoverings-Semi-flexiblepolyvinylchloridetiles-Specification;GermanversionEN654:2011
【原文标准名称】:弹性地板覆盖物.半柔性聚氯乙烯瓷砖.规格.德文版本EN654-2011
【标准号】:DINEN654-2011
【标准状态】:作废
【国别】:德国
【发布日期】:2011-07
【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】:粘合剂;分类;用户信息;定义(术语);弹性的;地板覆盖物;楼板;图形符号;识别;油地毡;标志;板条;塑料;聚氯乙烯;聚氯乙烯(PVC);适用范围;耐力;半柔性瓷砖;规范(验收);面砖;利用
【英文主题词】:Bindingagents;Classification;Consumerinformation;Definitions;Elastic;Floorcoverings;Floors;Graphicsymbols;Identification;Linoleum;Marking;Panels;Plastics;Polyvinylchloride;PVC;Rangeofapplication;Resistance;Semiflexibletiles;Specification(approval);Tiles;Utilization
【摘要】:ThisEuropeanStandardspecifiesthecharacteristicsofagglomeratedcorkwithawearlayerbasedonpolyvinylchlorideandmodificationsthereof.Toencouragetheconsumertomakeaninformedchoice,thestandardincludesaclassificationsystem(seeEN685)basedonintensityofuse,whichshowswherethesefloorcoveringsshouldgivesatisfactoryservice.Italsospecifiesrequirementsformarking.
【中国标准分类号】:Q17
【国际标准分类号】:97_150
【页数】:13P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasurementofPneumaticPermeabilityofPartiallySaturatedPorousMaterialsbyFlowingAir
【原文标准名称】:用流动空气测定局部饱水孔隙材料气动渗透性的标准试验方法
【标准号】:ASTMD6539-2000(2006)e2
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:D18.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airflow;flexiblewallpermeameter;permeability;permeameter;pneumaticpermeability;rigidwallpermeameter;Flowingairtest;Partially-saturatedporousmaterials;Pneumaticpermeability;Porousmedia/materials
【摘要】:Thistestmethodappliestotheone-dimensionallaminar(viscous)flowofairinporousmaterialssuchassoil.Note18212;Thistestmethoddealswithporousmaterialswithbothgaseous(air)andliquid(porewater)mobilefluids:Theliquidphaseismuchlesscompressible,hasahigherviscosity,andismuchmoretightlyboundtothesolidphasebychemicalforces.Theassumptionofsingle-phaseflowmaystillbepresumedtobevalidsincethetestgradientensuringtheconditionsoflaminarflowmaybelowenoughthatflowoftheliquidphaseisnegligible.Thedegreeofsaturationofthespecimenshallbelessthanthatwhichwouldproducesignificantinternaltransportofporewateroralterthecontinuityofairvoidsundertheappliedpneumaticgradients.Themaximumpermissibledegreeofsaturationmustbeevaluatedbyanexperiencedanalyst.Innoinstanceshallthespecimenbesosaturatedthatporewaterappearsattheexitofthepermeametercellduringthetest.Thistestmethodisbasedontheassumptionthattherateofmassflowthroughthespecimenisconstantwithtime.Note28212;Whenaspecimencontainsvolatilematerialsthisassumptionisviolated.Themassofgasflowingoutwillbegreaterthanthatflowingin,thepneumaticgradientisindeterminateandthetestmaybecomemeaningless.Suchspecimensposespecialproblemsandmustbedecontaminatedbeforeanalysisinordertominimizehealthandsafetyconcernsandtopreventcontaminationofthetestapparatus.Thepneumaticpermeabilityofporousmaterialsmaybestronglydependentonavarietyofphysicalpropertiesincludingthevoidratio,thedegreeofsaturation,percentanddirectionofcompaction,andsoforth.Itisbeyondthescopeofthistestmethodtoelaboratethesedependencies.Rather,thistestmethodisintendedtobeameasurementtechniquefordeterminingthepneumaticpermeabilityunderacertainsetoflaboratoryconditions.Itistheresponsibilityoftherequestortospecifywhichsoilparametersmustbecontrolledtoensureavalidextensionofthetestresultstofieldconditions.ItisassumedthatDarcy''sLawisvalid.ThevalidityofDarcy''slawmaybeevaluatedbyplottingthevolumetricflowthroughthespecimenagainstthedifferentialpressuredropacrossthespecimen.Iftheindividualtestpointsliewithin25%ofastraightlinepassingthroughtheorigin,thenDarcy''slawmaybetakenasvalid.Note38212;Darcy''slawisvalidonlywhensaturationdoesnotchangeovertime.Longmeasurementtimesassociatedwiththeuseofbubblemetersandmanometersmayindirectlybeanuncontrolledsourceofvariabilitywhenplottingflowversuspressuredrop(see8.2).Therecommendeduseofdigitalelectronicflowandpressuresensorsleadstoconsiderablyreducedmeasurementtimesbecausetheusercanquicklydeterminebyinspectionwhenasteadystateconditionhasbeenreached.Atthatpointonlyasinglereadingneedstobetakenforareliablemeasurement.Arapidcourseofmeasurementwillminimizedehydrationofpartiallysaturatedspecimens.Note48212;Humidifyingthetestgastominimizespecimendehydrationisnotrecommendedbecause:(1)thereisnopracticalwaytoeithermeasureorcontroltherelativehumidityofthetestgas,eitherattheinletoroutletofthespecimen;(2)thecalibrationoftheelectronicflowmeterisfordryaironlyandwouldbecomeunreliableinthepresenceofwatervapor,especiallyinviewofthepotentialforirreversibleadsorptionofmoistureonthesensorelements;(3)thereisadangerofpermanentwatercondensationinthestatictransfer..........
【中国标准分类号】:P13
【国际标准分类号】:13_080_20
【页数】:10P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 钢结构桥梁漆 |
| 英文名称： | Paints for steel structure bridge |
| 中标分类： |
化工 >>
涂料、颜料、染料 >>
涂料 |
| ICS分类： |
涂料和颜料工业 >>
涂料和清漆
|
| 发布日期： | 1999-06-16 |
| 实施日期： | 2000-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 7页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 化工 涂料 颜料 染料 涂料 涂料和颜料工业 涂料和清漆
