DIN 50917-1-1979 金属的腐蚀.自然腐蚀试验.大气腐蚀
时间:2024-05-20 20:10:51 来源: 标准资料网 作者：标准资料网 阅读：8285
【英文标准名称】:Corrosionofmetals;testsundernaturalconditions,outdoorexposure(weathering)
【原文标准名称】:金属的腐蚀.自然腐蚀试验.大气腐蚀
【标准号】:DIN50917-1-1979
【标准状态】:作废
【国别】:德国
【发布日期】:1979-08
【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】:金属;空气;锌;腐蚀;铝;抗风化能力;防腐蚀;大气;覆层;钢;铅;气候;铜
【英文主题词】:coatings;weatherresistance;steels;corrosionprotection;lead;aluminium;copper;corrosion;zinc;climate;air;atmosphere;metals
【摘要】:
【中国标准分类号】:H25
【国际标准分类号】:77_060
【页数】:5P;A4
【正文语种】:德语
【英文标准名称】:Opentypenaturalventilatingoilburningspaceheaters
【原文标准名称】:敞开式自然通风空间取暖炉
【标准号】:JISS2019-1998
【标准状态】:作废
【国别】:日本
【发布日期】:1998-06-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonConsumerLifeProducts
【标准类型】:()
【标准水平】:()
【中文主题词】:自然通风;燃油装置;燃油对流供暖;对流式供暖系统;有烟道加热器;加热器;煤油
【英文主题词】:space-heatingsystems;oilspaceheating;heaters;fluedheaters;kerosine;naturalventilation;oil-fuelleddevices
【摘要】:
【中国标准分类号】:Q76
【国际标准分类号】:97_100_40
【页数】:21P;A4
【正文语种】:日语
【英文标准名称】:StandardPracticeforthePreparationofSubstituteWastewater
【原文标准名称】:代用品废水准备的标准实施规程
【标准号】:ASTMD5905-1998(2008)
【标准状态】:现行
【国别】:美国
【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】:D19.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:analyticalperformance;matrix;wastewater;Substitutewastewater;Wastewatertesting/treatment
【摘要】:Substitutewastewatermaybeusedforlaboratorytestingwhereareproduciblemixturesimulatingmunicipalwastewaterisrequired.Toprovideamoreruggedevaluationofatestmethod''sabilitytomeasureanalytesandtheprecisionofthetestmethodundermoredemandingconditions,itisnecessarytoutilizeamatrixmorecomplexthanreagentwater.Substitutewastewaterisintendedtobeusedasamaterialtobespikedwithanalytesorinterferentsofinteresttoevaluatetheperformanceoftestmethods.UtilizationofsubstitutewastewaterasamatrixininterlaboratoryvalidationstudieswillallowinclusionofperformancestatisticsforthismatrixinthePrecisionandBiassectionoftestmethods.Usersoftestmethodswillbeabletoevaluatetheirapplicationoftestmethodsinthismatrixagainstpublishedresults.1.1Thispracticecoversthepreparationofanaqueousmixturecontainingconstituentsinconcentrationssuchthatitwillhavephysicalandchemicalmatrixcharacteristicssimilartomunicipalwastewater.1.2Wastewatersareextremelyvariable,dependingonthequantityandnatureofthematerialsbeingdischargedintothecollectionsystem.Themixturepreparedwiththispracticeisnotrepresentativeofanyparticularwastewater.Rather,itallowstheusertoprepareamixturethatexhibitsasimilarmatriximpactontestmethodperformanceasistypicalofmunicipalwastewaterandcanbepreparedfromcommonmaterialsinexpensivelyandreproducibly.Itallowstheevaluationoftestmethods,overtime,againstthesamereferencepoint.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:3P.;A4
【正文语种】:英语