【英文标准名称】:StandardTestMethodofMeasuringThermalExpansionandCreepofRefractoriesUnderLoad
【原文标准名称】:测量在负荷作用下耐火材料的热膨胀和蠕变的标准试验方法
【标准号】:ASTMC832-2000(2010)
【标准状态】:现行
【国别】:
【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】:C08.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:压缩应力;蠕变;高温;线性变化;耐火材料;热膨胀
【英文主题词】:compressivestress;creep;elevatedtemperatures;linearchange;refractories;thermaldilation
【摘要】:Thethermalexpansionunderloadandthe20to50hcreeppropertiesofarefractoryareusefulincharacterizingtheloadbearingcapacityofarefractorythatisuniformlyheated.Directlyapplicableexamplesareblastfurnacestovesandglassfurnacecheckers.1.1Thistestmethodcoverstheprocedureformeasuringthelinearchangeofrefractoryspecimensthataresubjectedtocompressivestresswhilebeingheatedandwhilebeingheldatelevatedtemperatures.1.2Thistestmethoddoesnotapplytomaterialswhosestrengthdependsonpitchorcarbonaceousbondsunlessappropriateatmosphericcontrolisused(see7.3).1.3Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:81_080
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Systemsandsoftwareengineering-Systemlifecycleprocesses
【原文标准名称】:系统和软件工程.系统生命周期过程
【标准号】:ISO/IEC15288-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-02
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:周期;定义;显影;开发;信息管理;信息系统;信息技术;包埋料;生命周期;寿命(耐久性);管理;模型;组织;计划;生产;项目管理;质量;规范(验收);系统开发;系统工程;系统研究
【英文主题词】:Cycle;Definitions;Developments;Informationmanagement;Informationsystems;Informationtechnology;Investments;Lifecycles;Life(durability);Management;Models;Organization;Planning;Production;Projectmanagement;Quality;Specification(approval);Systemdevelopment;Systemengineering;Systemstudies
【摘要】:ThisInternationalStandardestablishesacommonframeworkfordescribingthelifecycleofsystemscreatedbyhumans.Itdefinesasetofprocessesandassociatedterminology.Theseprocessescanbeappliedatanylevelinthehierarchyofasystem’sstructure.Selectedsetsoftheseprocessescanbeappliedthroughoutthelifecycleformanagingandperformingthestagesofasystem'slifecycle.Thisisaccomplishedthroughtheinvolvementofallinterestedparties,withtheultimategoalofachievingcustomersatisfaction.ThisInternationalStandardalsoprovidesprocessesthatsupportthedefinition,controlandimprovementofthelifecycleprocessesusedwithinanorganizationoraproject.Organizationsandprojectscanusetheselifecycleprocesseswhenacquiringandsupplyingsystems.ThisInternationalStandardconcernsthosesystemsthatareman-madeandmaybeconfiguredwithoneormoreofthefollowing:hardware,software,data,humans,processes(e.g.,processesforprovidingservicetousers),procedures(e.g.,operatorinstructions),facilities,materialsandnaturallyoccurringentities.Whenasystemelementissoftware,thesoftwarelifecycleprocessesdocumentedinISO/IEC12207:2008maybeusedtoimplementthatsystemelement.Thetwostandardsareharmonizedforconcurrentuseonasingleprojectorinasingleorganization.Whenthesystemelementishardware,refertootherInternationalStandardsoutsidethescopeofSC7.
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:83P.;A4
【正文语种】:英语