DIN 15421-3-1982 起重机.下滑车.带深滚道滚珠轴承和内套筒的B型绳索轮的油封盖
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【英文标准名称】:Cranes;bottomblocks;sealingcoversfortypeBropepulleyswithdeepgrooveballbearingandinternalsleeve
【原文标准名称】:起重机.下滑车.带深滚道滚珠轴承和内套筒的B型绳索轮的油封盖
【标准号】:DIN15421-3-1982
【标准状态】:现行
【国别】:德国
【发布日期】:1982-07
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:设计;材料;起重机;机械工程;尺寸;下挂钩滑车
【英文主题词】:materials;bottomhookblocks;mechanicalengineering;design;cranes;dimensions
【摘要】:Cranes;bottomhookblocks;bearingcoversforwireropesheavesofformB,withgroovedballbearingsandaxlebushAppareilsdelevage;moufles;couverclespourpouliesàc?bledelaformB,avecroulementsrainurésàbillesetmanchonsurI'axe
【中国标准分类号】:J80
【国际标准分类号】:53_020_30
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:Photography-Filmsandpapers-Determinationofdimensionalchange
【原文标准名称】:摄影术.胶卷和相纸.尺寸变化的测定
【标准号】:BSISO6221-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-04-15
【实施或试行日期】:1997-04-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验条件;老化试验;尺寸变化;摄影材料;相纸;摄影胶片;文献索引;摄影;稳定性;尺寸测量;热膨胀;湿空气试验;纸;试样制备;代码
【英文主题词】:
【摘要】:
【中国标准分类号】:G81
【国际标准分类号】:37_040_20
【页数】:22P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforIn-SituMeasurementsofHeatFluxinIndustrialThermalInsulationUsingHeatFluxTransducers
【原文标准名称】:使用热通量转换器现场测定工业隔热材料的热通量用标准实施规程
【标准号】:ASTMC1041-2010
【标准状态】:现行
【国别】:
【发布日期】:2010
【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】:C16.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:热流量;热通量转换器;工业应用;现场测量;防护内衬;传感器;贮水池;热传导系数;实地隔热测量
【英文主题词】:heatflux;heatfluxtransducer;industrialapplication;insitumeasurement;Protectivelinings;Sensors;Tanks;Thermaltransmissionproperties;Fieldtesting--thermalinsulation
【摘要】:Themajorcontributionofthispracticeisthatitenablesameasurementofthereal-timeenergylossorgainthroughachosensurfaceofanexistingprocessinsulationwithminimaldisturbancetotheheatfluxthroughtheinsulatingbody.Theprimaryuseofthispracticewillbeforthein-situestimationofthermaltransportpropertiesofindustrialinsulationsuchasusedonpipes,tanks,ovens,andboilers,operatingundernormalprocessconditions.Errorsattributabletoheatflowmeasurementsoverasmallareaorshorttermtestingcanbemisleadingandthispracticeisintendedtominimizesucherrors.InsulationprocesseswithlargetemperaturedifferencesacrosstheinsulationarebestsuitedtoHFTmeasurementsbecausemodestchangesinambientconditionshavebutminimaleffectsonHFToutput.WhileitwouldbeidealfortheHFTandattachmentsystemtohavezerothermalresistance,thisfactorisinsignificanttothemeasuredresultifkeptto5%orlessoftheresistanceoftheinsulatingsectionbeingtested.1.1Thispracticecoversthein-situmeasurementofheatfluxthroughindustrialthermalinsulationusingaheatfluxtransducer(HFT).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thispracticeestimatesthethermaltransportpropertiesofthermalinsulationmaterialsin-situinfieldapplicationsunderpseudosteady-stateconditions.ItisnotintendedthatthispracticeshouldbeusedasasubstituteformorepreciselaboratoryproceduressuchasTestMethodsC177,C335,orC518.1.4ThispracticeislimitedbytherelativelysmallareathatcanbecoveredbyanHFTandbythetransienteffectsofenvironmentalconditions.1.5TemperaturelimitationsshallbeasspecifiedbythemanufactureroftheHFT.1.6Whileaccuratevaluesofheatfluxarehighlydependentuponpropercalibrationsundertheconditionsofuse,itisacceptabletousethecalibrationsprovidedbythemanufactureroftheHFTforcomparativeworkbetweensimilarmaterials,aging,orotherconditionsofuse.Note18212;Furtherinformationmaybefoundintheliterature(1-6).1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q25
【国际标准分类号】:27_220
【页数】:6P.;A4
【正文语种】:
