ISO 15349-2-1999 非合金钢.低碳含量的测定.第2部分:感应炉(经预加热)内燃烧后红外吸收法
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【英文标准名称】:Unalloyedsteel-Determinationoflowcarboncontent-Part2:Infraredabsorptionmethodaftercombustioninaninductionfurnace(withpreheating)
【原文标准名称】:非合金钢.低碳含量的测定.第2部分:感应炉(经预加热)内燃烧后红外吸收法
【标准号】:ISO15349-2-1999
【标准状态】:现行
【国别】:国际
【发布日期】:1999-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC17
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;非合金钢;化学分析和试验;碳含量;燃烧;感应炉;红外线吸收;含量测定;低碳;化学成分
【英文主题词】:Carboncontent;Chemicalanalysisandtesting;Chemicalcomposition;Combustion;Determinationofcontent;Inductionfurnaces;Infraredabsorption;Lowcarbon;Steels;Unalloyedsteels
【摘要】:ThispartofISO15349specifiesaninfraredabsorptionmethodaftercombustioninaninductionfurnaceforthedeterminationofthelowcarboncontentinunalloyedsteel.Themethodisapplicabletocarboncontentsbetween0,0003%(m/m)and0,010%(m/m).
【中国标准分类号】:H11
【国际标准分类号】:77_080_20
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforAnalysisofAqueousExtractableProteininNaturalRubberandItsProductsUsingtheModifiedLowryMethod
【原文标准名称】:用改进半空细胞法分析天然橡胶及其制品中水可萃取蛋白质的标准试验方法
【标准号】:ASTMD5712-2005e1
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D11.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:蛋白质;天然橡胶;试验;分光光度法
【英文主题词】:aminoacidanalysis;Lowry;naturalrubberlatex;protein
【摘要】:Thistestmethod,forthedeterminationofproteinlevelsinNR,isprimarilyintendedtotestNRmaterialsforresidualproteincontent.Itisassumedthatallwhousethistestmethodwillbetrainedanalystscapableofperformingcommonlaboratoryproceduresskillfullyandsafely.Itisexpectedthatworkwillbeperformedinaproperlyequippedlaboratory.1.1Thistestmethodcoversananalyticaltestfordeterminingtheamountoftotalaqueousextractableproteinassociatedwithnaturalrubber(NR)anditsproducts.Watersolubleproteinsareextractedinabuffersolutionandthenprecipitatedtoconcentratethemandalsotoseparatethemfromwatersolublesubstancesthatmayinterferewiththedetermination.TheextractedproteinisredissolvedandquantifiedcolorimetricallybythemodifiedLowrymethodusingaproteinstandard.1.2Forthepurposeofthistestmethod,therangeofproteinmeasurementwillbebasedonthelimitofdetectionandquantitationandrecordedinmicrogramsperdm2NRspecimen.1.3Thetestmethodisdesignedtobeaccurateandcompatiblewiththeindustrialenvironment.1.4Stepsareincludedinthistestmethodtominimizetheeffectsofinterferingsubstances.1.5Itisrecognizedthatothermethodsfortheanalysisofleachableproteinsexistandthesemaybeusedforroutinequalitycontrolpurposesprovidedtheyhavebeenvalidatedandacorrelationestablishedagainstthereferencemethodspecifiedbythistestmethod.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G40
【国际标准分类号】:83_040_10
【页数】:9P.;A4
【正文语种】:
【英文标准名称】:Railwayapplications-Tankwagons-Part8:Heatingconnections;GermanversionEN12561-8:2011
【原文标准名称】:铁路应用设施.油罐车.第8部分:加热连接器;德文版本EN12561-8-2011
【标准号】:DINEN12561-8-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-10
【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】:
【英文主题词】:Clutches;Connectingdimensions;Connections;Definitions;Design;Designations;Dimensions;Flanges;Freighttransport;Heatingequipment;Heatinginstallation;Heatinginstallations;Heatingvalvesandfittings;Industrialtrucks;Layout;Materials;Matingdimension;Mountingdevices;Position;Railtransport;Rail-mountedpressurevessels;Railwayapplications;Railwayvehicles;Railways;Shape;Specification(approval);Steamcentralheating;Tanktrucks;Tankwagons;Tanks;Testing;Transport;Transportofdangerousgoods
【摘要】:ThisEuropeanStandardspecifiespositioningofconnections,connectiondimensionsandcouplingtighteningdevicesforconnectionsofsteamheatinginstallationsunedotankwagons.
【中国标准分类号】:S52
【国际标准分类号】:45_060_20
【页数】:10P;A4
【正文语种】:英语
