NF E60-121-2002 带水平砂轮轴和往复式工作台的平面磨床的试验条件.精确度试验.第1部分:工作台长度位1600毫米以下的机床
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【英文标准名称】:Testconditionsforsurfacegrindingmachineswithhorizontalgrindingwheelspindleandreciprocatingtable-Testingofaccuracy-Part1:machineswithatablelengthupto1600mm.
【原文标准名称】:带水平砂轮轴和往复式工作台的平面磨床的试验条件.精确度试验.第1部分:工作台长度位1600毫米以下的机床
【标准号】:NFE60-121-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-01-01
【实施或试行日期】:2002-01-05
【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】:
【英文主题词】:Accuracy;Accuracyofmeasurement;Dimensionalmeasurement;Dimensions;Grindingmachines;Grindingspindles;Horizontal;Machinetables;Machinetools;Testing;Testingconditions;Tests
【摘要】:
【中国标准分类号】:J55
【国际标准分类号】:25_080_50
【页数】:21P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforDryandWetBulkDensity,WaterAbsorption,andApparentPorosityofThinSectionsofGlass-FiberReinforcedConcrete
【原文标准名称】:玻璃纤维增强混凝土薄剖面的干燥和潮湿松密度、吸水和表观气孔率用标准试验方法
【标准号】:ASTMC948-1981(2009)
【标准状态】:现行
【国别】:
【发布日期】:1981
【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】:C27.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:密度-混凝土;玻璃纤维增强混凝土(GFRC);气孔率-表观;薄材料规范/应用;吸水-砖块/粘土混凝土
【英文主题词】:Density--concrete;Glassfiberreinforcedconcrete(GFRC);Porosity--apparent;Thinmaterialspecimens/applications--concrete;Waterabsorption--brick/clay/concreteproducts
【摘要】:Materialpropertiesdeterminedbythistestmethodareusefulforqualitycontrolofglass-fiberreinforcedconcrete,ascertainingcompliancewithgoverningspecifications,andresearchanddevelopment.1.1Thistestmethodcoversthedeterminationsofdryandwetbulkdensity,waterabsorption,andapparentporosityofthinsectionsofglass-fiberreinforcedconcrete.Note18212;Thistestmethoddoesnotinvolveadeterminationofabsolutespecificgravity.Therefore,suchporespaceasmaybepresentinthespecimenthatisnotemptiedduringthespecifieddryingorisnotfilledwithwaterduringthespecifiedimmersionisconsideredx201C;impermeablex201D;andisnotdifferentiatedfromthesolidportionofthespecimenforthecalculations,especiallythoseforpercentvoids.Dependingupontheporesizedistributionandtheporeentryradiiofthespecimenandonthepurposesforwhichthetestresultsaredesired,theproceduresofthismethodmaybeadequate,ortheymaybeinsufficientlyrigorous.Intheeventthatitisdesiredtofillmoreoftheporesthanwillbefilledbyimmersion,varioustechniquesinvolvingtheuseofvacuumtreatmentorincreasedpressuremaybeused.Ifarigorousmeasureoftotalporespaceisdesired,thiscanonlybeobtainedbydeterminingabsolutespecificgravitybyfirstreducingthesampletodiscreteparticles,eachofwhichissufficientlysmallsothatnoimpermeablespacecanexistwithinanyoftheparticles.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q23
【国际标准分类号】:91_100_30
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:ManuallyOperatedMetallicGasValvesforUseinAbovegroundPipingSystemsupto5PSI
【原文标准名称】:5psi及以下的地上管道系统用手动金属气阀
【标准号】:ASMEB16.44-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:气体;值;手工的;管系统;金属的;地上
【英文主题词】:Aboveground;Gases;Manual;Metallic;Pipingsystem;Values
【摘要】:ThisStandardappliestonewvalveconstructionandcoversquarterturnmanuallyoperatedmetallicvalvesinsizesNPS41/4andtubingsizes11/4O.D.Thesevalvesareintendedforindoorinstallationasgasshutoffvalveswheninstalledinabovegroundfuelgaspipingdownstreamofthegasmeteroutletandupstreamoftheinletconnectiontoagasappliance.ThevalvescoveredbythisStandardareintendedforserviceattemperaturesbetween32degreesF(0degreesC)and125degreesF(52degreesC)atpressureratingsnottoexceed5psi(0.34bar).Whensodesignatedbythemanufacturer,thesevalvesmaybeinstalledforserviceoutdoorsand/orattemperaturesbelow32degreesF(0degreesC)and/orabove125degreesF(52degreesC).
【中国标准分类号】:J16
【国际标准分类号】:23_060_10
【页数】:20P.;A4
【正文语种】:英语
