ISO/IEC TR 24748-3-2011 系统和软件工程.生命周期管理.第3部分:ISO/IEC12207(软件生命周期过程)的应用指南
作者:标准资料网 时间:2024-05-21 03:15:30 浏览:9294
来源:标准资料网
【英文标准名称】:Systemsandsoftwareengineering-Lifecyclemanagement-Part3:GuidetotheapplicationofISO/IEC12207(Softwarelifecycleprocesses)
【原文标准名称】:系统和软件工程.生命周期管理.第3部分:ISO/IEC12207(软件生命周期过程)的应用指南
【标准号】:ISO/IECTR24748-3-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-09
【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/SC7
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Applications;Computersoftware;Cycle;Dataprocessing;Definitions;Developing;Developments;Guidebooks;Informationinterchange;Informationtechnology;Instructions;Interfaces;Lifecycles;Life(durability);Management;Network;Networkinterconnection;Organization;Planning;Process;Project;Projectmanagement;Qualityassurance;Services;Softwaretechniques
【摘要】:
【中国标准分类号】:L77
【国际标准分类号】:35_080
【页数】:111P;A4
【正文语种】:英语
【英文标准名称】:ALPINESKIS.SKIBINDINGSFORADULTS.LATERALTOERELEASEUNDERIMPACTLOADING.SAFETYREQUIREMENTANDTESTMETHOD.
【原文标准名称】:高山滑雪.在冲击下的侧面下滑成人用高山滑雪板.要求和试验方法
【标准号】:NFS52-715-1988
【标准状态】:作废
【国别】:法国
【发布日期】:1988-09
【实施或试行日期】:1988-08-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:紧固件;滑雪男运动员;男人;抗震性;冲击强度;固定;规范;试验;体育器材;高山滑雪板;冲击试验;安全
【英文主题词】:
【摘要】:
【中国标准分类号】:Y56
【国际标准分类号】:97_220_20
【页数】:8P;A4
【正文语种】:其他
【英文标准名称】:TestMethodforEvaluatingtheOxidativeResistanceofCrosslinkedPolyethylene(PEX)TubingandSystemstoHotChlorinatedWater
【原文标准名称】:氯化热水用交联聚乙烯(PEX)管和设备抗氧化性的评估用试验方法
【标准号】:ANSI/ASTMF2023-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008-03-25
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:评估;材料测试;抗氧化;管道;管;管路;塑料管;塑料和橡胶技术;耐力;热塑性聚合物
【英文主题词】:Evaluations;Materialstesting;Oxidationresistance;Pipelines;Pipes;Piping;Plasticpipes;Plasticsandrubbertechnology;Resistance;Thermoplasticpolymers
【摘要】:Thistestmethoddescribesthegeneralrequirementsforevaluatingthelong-term,chlorinatedwater,oxidativeresistanceofcross-linkedpolyethylene(PEX)tubingproducedinaccordancewithSpecificationF876orPEXtubing/fittingsystemsinaccordancewithSpecificationF877usedinhot-and-coldwaterdistributionsystemsbyexposuretohot,chlorinatedwater.Thistestmethodoutlinestherequirementsofapressurizedflow-throughtestsystem,typicaltestpressures,test-fluidcharacteristics,failuretype,anddataanalysis.Note1-Otherknowndisinfectingsystems(chlorinedioxide,ozone,andchloramines)arealsousedforprotectionofpotablewater.Free-chlorineisthemostcommondisinfectantinusetoday.APPIresearchprojectexaminedtherelativeaggressivenessoffreechlorineandchloraminesonPEXpipes,bothathesame4.0ppmconcentrationandthesametesttemperatures.Theresultsofthetestingshowedpipefailuretimesapproximately40%longerwhentestedwithchloraminescomparedtotestingwithfreechlorine,atthetestedconditions.Basedontheseresults,thedatasuggeststhatchloraminesarelessaggressivethanfreechlorinetoPEXpipes.Guidelinesandrequirementsfortesttemperatures,testhoopstresses,andothertestcriteriahavebeenestablishedbypriortestingofPEXtubingproducedbythethreemostcommoncommercialmethodsofcross-linking:silane,peroxide,andelectron-beam(seeNote2).OtherrelatedsystemcomponentsthattypicallyappearinaPEXhot-and-coldwaterdistributionsystemcanbeevaluatedwiththePEXtubing.WhentestingPEXtubingandfittingsasasystem,itisrecommendedthattheanticipatedend-usefittingtype(s)andmaterial(s)beincludedinthetestcircuitsinceitisknownthatsomefittingtypesandmaterialscanimpactfailuretimes.Specimensusedshallberepresentativeofthepipingproduct(s)andmaterial(s)underinvestigation.Note2-Theproceduresdescribedinthistestmethod(withsomemodificationsoftesttemperaturesorstresses,orboth)havebeenusedtoevaluatepipesmanufacturedfrompolybutylene(PB),polyethylene(PE),polypropylene(PP),multilayer(polymer-metalcomposite),copper,andstainlesssteel.ThistestmethodisapplicabletoPEXtubingandsystemsusedfortransportofpotablewatercontainingfree-chlorinefordisinfectingpurposes.Theoxidizingpotentialofthetest-fluidspecifiedinthistestmethodexceedsthattypicallyfoundinpotablewatersystemsacrosstheUnitedStates.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationpurposes.Thefollowingprecautionarycaveatpertainsonlytothetestmethodportion,Section12,ofthisspecification.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q81;G33
【国际标准分类号】:23_040_20
【页数】:
【正文语种】:英语
