EN 13577-2007 混凝土的化学反应腐蚀.水中生效二氧化碳含量的测定
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【英文标准名称】:Chemicalattackonconcrete-Determinationofaggressivecarbondioxidecontentinwater;GermanversionEN13577:2007
【原文标准名称】:混凝土的化学反应腐蚀.水中生效二氧化碳含量的测定
【标准号】:EN13577-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-07
【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】:分析;二氧化碳;二氧化碳的含量;化学分析和试验;耐化学性试验;混凝土;建筑;施工材料;定义;含量测定;评估;耐水解;质量;基准方法;耐力;抽样方法;固体混凝土;试验性能;试验报告;测试;水;水试样;水质试验
【英文主题词】:Analysis;Carbondioxide;Carbondioxidecontent;Chemicalanalysisandtesting;Chemical-resistancetests;Concretes;Construction;Constructionmaterials;Definition;Definitions;Determinationofcontent;Evaluations;Hydrolyticresistance;Quality;Referencemethods;Resistance;Samplingmethods;Solidconcrete;Testperformance;Testreports;Testing;Water;Watersamples;Watertesting
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:13_060_50
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Railwayapplications-In-servicewheelsetoperationrequirements-In-serviceandoff-vehiclewheelsetmaintenance;GermanversionEN15313:2010
【原文标准名称】:铁路应用设施.在工作的轮辐的操作要求.在工作和车辆卸下轮辐的维修.德文版本EN15313-2010
【标准号】:DINEN15313-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-10
【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】:行车机构;损坏形式;定义;驱动轮;交替使用性;外形研究;维修;材料试验;组织;铁路设施;铁路客车;铁路车辆零部件;铁道车辆;铁路货运车辆;铁路;检修;铁路车辆;轴(旋转);规范(验收);轮对轴
【英文主题词】:Bogies;Damagepattern;Definitions;Drivewheels;Interoperability;Investigationofprofiles;Maintenance;Materialtests;Organigram;Railwayapplications;Railwaycoaches;Railwayvehiclecomponents;Railwayvehicles;Railwaywagons;Railways;Repair;Rollingstocks;Shafts(rotating);Specification(approval);Wheelsetshafts
【摘要】:
【中国标准分类号】:S33
【国际标准分类号】:45_040
【页数】:68P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforCharacterizingDuplexGrainSizes
【原文标准名称】:双重晶粒度表征的标准试验方法
【标准号】:ASTME1181-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:E04.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:areafraction;banding;bands;duplex;grainsize;necklace;Alloys;Areafractions;Banding;Bimodaldistribution;Comparisontechniques;Crystallatticestructure;Distribution;Duplexgrainstructures;Etching(materials/process);Grainsize;Imageana
【摘要】:Duplexgrainsizemayoccurinsomemetalsandalloysasaresultoftheirthermomechanicalprocessinghistory.Forcomparisonofmechanicalpropertieswithmetallurgicalfeatures,orforspecificationpurposes,itmaybeimportanttobeabletocharacterizegrainsizeinsuchmaterials.Assigninganaveragegrainsizevaluetoaduplexgrainsizespecimendoesnotadequatelycharacterizetheappearanceofthatspecimen,andmayevenmisrepresentitsappearance.Forexample,averagingtwodistinctlydifferentgrainsizesmayresultinreportingasizethatdoesnotactuallyexistanywhereinthespecimen.Thesetestmethodsmaybeappliedtospecimensorproductscontainingrandomlyintermingledgrainsoftwoormoresignificantlydifferentsizes(henceforthreferredtoasrandomduplexgrainsize).Examplesofrandomduplexgrainsizesinclude:isolatedcoarsegrainsinamatrixofmuchfinergrains,extremelywidedistributionsofgrainsizes,andbimodaldistributionsofgrainsize.Thesetestmethodsmayalsobeappliedtospecimensorproductscontaininggrainsoftwoormoresignificantlydifferentsizes,butdistributedintopologicallyvaryingpatterns(henceforthreferredtoastopologicalduplexgrainsizes).Examplesoftopologicalduplexgrainsizesinclude:systematicvariationofgrainsizeacrossthesectionofaproduct,necklacestructures,bandedstructures,andgerminativegraingrowthinselectedareasofcriticalstrain.Thesetestmethodsmaybeappliedtospecimensorproductsregardlessoftheirstateofrecrystallization.Becausethesetestmethodsdescribedeviationsfromasingle,log-normaldistributionofgrainsizes,andcharacterizepatternsofvariationingrainsize,thetotalspecimencross-sectionmustbeevaluated.Thesetestmethodsarelimitedtoduplexgrainsizesasidentifiablewithinasinglepolishedandetchedmetallurgicalspecimen.Ifduplexgrainsizeissuspectedinaproducttoolargetobepolishedandetchedasasinglespecimen,macroetchingshouldbeconsideredasafirststepinevaluation.Theentiremacroetchedcross-sectionshouldbeusedasabasisforestimatingareafractionsoccupiedbydistinctgrainsizes,ifpossible.Ifmicroscopicexaminationissubsequentlynecessary,individualspecimensmustbetakentoallowestimationofareafractionsfortheentireproductcross-section,andtoallowdeterminationofgrainsizesrepresentingtheentirecross-sectionaswell.Thesetestmethodsareintendedtobeappliedtoduplexgrainsizes.Duplexgrainstructures(forexample,multiphasealloys)arenotnecessarilyduplexingrainsize,andassucharenotthesubjectofthesemethods.However,thetestmethodsdescribedhereforareafractionestimationmaybeofuseindescribingduplexgrainstructures.1.1Thesetestmethodsprovidesimpleguidelinesfordecidingwhetheraduplexgrainsizeexists.Thetestmethodsseparateduplexgrainsizesintooneoftwodistinctclasses,thenintospecifictypeswithinthoseclasses,andprovidesystemsforgrainsizecharacterizationofeachtype.1.2Units8212;ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortoitsuse.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:15P.;A4
【正文语种】:英语