EN 4209-2005 航空航天系列.铝合金AL-P2219-T851.板材.6mma50mm

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【英文标准名称】:Aerospaceseries-AluminiumalloyAL-P2219-T851-Plate-6mma50mm;GermanandEnglishversionEN4209:2005
【原文标准名称】:航空航天系列.铝合金AL-P2219-T851.板材.6mma50mm
【标准号】:EN4209-2005
【标准状态】:现行
【国别】:
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铝;铝合金;微观结构;金属;薄板材;多语种的;航天运输;板;金属材料;航空运输;热处理;化学成分;材料;试验;交货条件;飞行器;特性;检验;航空航天运输;规范(验收);尺寸
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Aluminium;Aluminiumalloys;Chemicalcomposition;Deliveryconditions;Dimensions;Heattreatment;Inspection;Materials;Metallicmaterials;Metals;Microstructure;Multilingual;Plates;Properties;Sheetmaterials;Spacetransport;Specification(approval);Testing
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:14P.;A4
【正文语种】:英语


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【英文标准名称】:StandardTestMethodforDeterminingtheAnaerobicBiodegradationofPlasticMaterialsinthePresenceofMunicipalSewageSludge
【原文标准名称】:测定市政污秽沉积物现场的塑料材料厌氧生物降解能力的标准试验方法
【标准号】:ASTMD5210-1992(2007)
【标准状态】:现行
【国别】:
【发布日期】:1992
【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】:D20.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;试验;污泥;生物降解能力
【英文主题词】:anaerobic;biodegradation;degree(ofbiodegradation);municipal;plastics;sewage;sludge
【摘要】:Thedegreeandrateofanaerobicbiodegradabilityofaplasticmaterialinthistestmethodmaybepredictiveofthetimeperiodrequiredtoeliminatethatplasticfromtheenvironmentdependingonthesimilaritiesoftheenvironments.Withincreasinguseofplastics,disposalisamajorissue.Thistestmethodmaybeusefultoestimatethedegreeandpersistenceofplasticsinbiologicallyactiveanaerobicdisposalsites.Thistestmethoddeterminestherateanddegreeofanaerobicbiodegradationbymeasuringtheevolvedvolumeofcarbondioxideandmethane,asafunctionoftimeofexposuretoanaerobic-digestersludge.Anaerobicsewer-digestersludgefromtreatmentofclarifiersludgeatawaste-watertreatmentplantthattreatsprincipallymunicipalwasteisanacceptableactiveanaerobicenvironment(availableoverawidegeographicalarea)inwhichtotestabroadrangeofplasticmaterials.Thistestmethodmaybeconsideredanacceleratedtestwithrespecttoatypicalanaerobicenvironment,suchaslandfillsitesthatplasticsencounterinusualdisposalmethodsbecauseofthehighlyactivemicrobialpopulationofanaerobic-digestersludge.1.1Thistestmethoddeterminesthedegreeandrateofanaerobicbiodegradationofsyntheticplasticmaterials(includingformulationadditives)onexposuretoanaerobic-digestermunicipalsewagesludgefromawaste-waterplant,underlaboratoryconditions.1.2Thistestmethodisdesignedtoindexplasticmaterialsthataremoreorlessbiodegradablerelativetoapositivestandardinananaerobicenvironment.1.3Thistestmethodisapplicabletoallplasticmaterialsthatarenotinhibitorytothemicroorganismspresentinanaerobicsewagesludge.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardsaregiveninSection8.
【中国标准分类号】:Z13;G31
【国际标准分类号】:13_030_20
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:Handwheelforrailvehicles-Dimensions,design
【原文标准名称】:有轨车辆的手轮.尺寸,设计
【标准号】:DIN5557-1999
【标准状态】:作废
【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】:铁路;元部件;铁路用;重量;材料;材料强度;选择;设计;铁路车辆零部件;操纵轮;铁道车辆;尺寸;控制;物资清单;操纵装置;手轮
【英文主题词】:Components;Controls;Design;Dimensions;Handwheels;Inventories;Manipulatingdevices;Materials;Railwayapplications;Railwayvehiclecomponents;Railwayvehicles;Railways;Selection;Strengthofmaterials;W
【摘要】:
【中国标准分类号】:S34
【国际标准分类号】:45_040
【页数】:12P;A4
【正文语种】:德语