BS ISO 9186-2-2008 图形符号.测试方法.感知能力测试用方法
时间:2024-05-26 17:21:41 来源: 标准资料网 作者：标准资料网 阅读：8244
【英文标准名称】:Graphicalsymbols-Testmethods-Methodfortestingperceptualquality
【原文标准名称】:图形符号.测试方法.感知能力测试用方法
【标准号】:BSISO9186-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义(术语);开发;图形符号;信息;清晰度;可感知性;感知;公共的;符号;测试;测试条件
【英文主题词】:Definitions;Development;Graphicsymbols;Information;Intelligibility;Perceptibility;Perception;Public;Symbols;Testing;Testingconditions
【摘要】:
【中国标准分类号】:A22
【国际标准分类号】:01_080_10
【页数】:24P;A4
【正文语种】:英语
【英文标准名称】:ISOmetricscrewthreadsPart2:Specificationforselectedlimitsofsize
【原文标准名称】:ISO米制螺纹.尺寸极值选用规范
【标准号】:BS3643-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-11-30
【实施或试行日期】:2007-11-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:航空器部件;螺栓;直径;尺寸公差;ISO米制螺纹;螺母;尺寸;螺纹形状;螺距;螺纹
【英文主题词】:Aircraftcomponents;Bolts;Diameter;Dimensionaltolerances;Dimensions;ISOmetricthreads;Nuts;Size;Threadforms;Threadpitch;Threads
【摘要】:ThispartofthisBS3643specifiesthefundamentaldeviations,tolerancesandlimitsofsizeforthetoleranceclasses4H,5H,6Hand7Hforinternalthreadsand4h,6gand8gforexternalthreadswhereappropriatefor:?acoarsepitchserieswiththerange1mmto68mmdiameter;?afinepitchserieswiththerange1mmto33mmdiameter;?aconstantpitchserieswiththerange8mmto300mmdiameter.Forcertaindiameter/pitchcombinations,thefundamentaldeviations,tolerancesandlimitsofsizefortoleranceclass4Hforinternalthreadsandtoleranceclasses6hand4gforexternalthreads,primarilyforaerospaceuse,arespecifiedinAnnexA.
【中国标准分类号】:J05
【国际标准分类号】:21_040_10
【页数】:48P.;A4
【正文语种】:英语
【英文标准名称】:SpecificationforCured-in-placePipeLiningSystemforRehabilitationofMetallicGasPipes
【原文标准名称】:用于金属煤气管修复的现场处理管衬套系统规范
【标准号】:ANSI/ASTMF2207-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-11-21
【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】:燃气管;金属的;管道内衬;管道系统;现场;修复
【英文主题词】:Gaspipes;Metallic;Pipelinings;Pipesystem;Places;Rehabilitation
【摘要】:Thisspecificationcoversrequirementsandmethodoftestingformaterials,dimensions,hydrostaticburststrength,chemicalresistance,adhesionstrengthandtensilestrengthpropertiesforcured-in-place(CIP)pipelinersinstalledintoexistingmetallicgaspipes,3/4to48in.nominalpipesize,forrenewalpurposes.Themaximumallowableoperatingpressure(MAOP)ofsuchrenewedgaspipeshallnotexceedapressureof300psig(2060kPa).Thecured-in-placepipelinerscoveredbythisspecificationareintendedforuseinpipelinestransportingnaturalgas,petroleumfuels(propane-airandpropane-butanevapormixtures),andmanufacturedandmixedgases,whereresistancetogaspermeation,groundmovement,internalcorrosion,leakingjoints,pinholes,andchemicalattackarerequired.Themediumpressure(upto100psig)cured-in-placepipeliners(SectionA)coveredbythisspecificationareintendedforuseinexistingstructurallysoundorpartiallydeterioratedmetallicgaspipeasdefinedin.Thehighpressure(over100psigupto300psig)cured-in-placepipeliners(SectionB)coveredbythisspecificationareintendedforuseonlyinexistingstructurallysoundsteelgaspipeasdefinedin.CIPlinersareinstalledwithlimitedexcavationusinganinversionmethod(airorwater)andareconsideredtobeatrenchlesspipelinerehabilitationtechnology.Theinvertedlinerisbondedtotheinsidewallofthehostpipeusingacompatibleadhesive(usuallyanadhesiveorpolyurethane)inordertopreventgasmigrationbetweenthehostpipewallandtheCIPlinerand,also,tokeepthelinerfromcollapsingunderitsownweight.Continuedgrowthofexternalcorrosion,ifundetectedandunmitigated,couldresultinlossofthehostpipestructuralintegritytosuchanextentthatthelinerbecomesthesolepressurebearingelementintherehabilitatedpipelinestructure.TheCIPlinerisnotintendedtobeastand-alonepipeandreliesonthestructuralstrengthofthehostpipe.Theoperatormustmaintainthestructuralintegrityofthehostpipesothatthelinerdoesnotbecomefreestanding.MPLCIPliners(SectionA)canbeinstalledinpartiallydeterioratedpipeasdefinedin.Evenforlowpressuregasdistributionsystems,whichtypicallyoperateatlessthan1psig,MPLCIPlinersarenotintendedforuseasastand-alonegascarrierpipebutrelyonthestructuralintegrityofthehostpipe.Therefore,thesafeuseofcured-in-placepipeliningtechnologyfortherehabilitationofexistingcastiron,steel,orothermetallicgaspipingsystems,operatingatpressuresupto100psig,iscontingentonatechnicalassessmentoftheprojectedoperatingconditionofthepipefortheexpected30to50yearlifeoftheCIPliner.Cured-in-placepipelinersareintendedtorepair/rehabilitatestructurallysoundpipelineshavingrelativelysmall,localizeddefectssuchaslocalizedcorrosion,weldsthatareweakerthanrequiredforservice,orloosejoints(castironpipe),whereleaksmightoccur.HPLCIPliners(SectionB)areintendedforuseonlyinexistingstructurallysoundsteelgaspipeasdefinedin.HPLCIPlinersarenotintendedforuseasastand-alonegascarrierpipebutrelyonthestructuralintegrityofthehostpipe.Therefore,thesafeuseofcured-in-placepipeliningtechnologyfortherehabilitationofexistingsteelgaspipingsystems,operatingatpressuresupto300psig,iscontingentonatechnicalassessmentoftheprojectedoperatingconditionofthepipefortheexpected30to50yearlifeoftheCIPliner.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:P94
【国际标准分类号】:23_040_01;75_200
【页数】:
【正文语种】:英语