DIN 41557-4-1959 7脚微型管的管座.量规
作者:标准资料网 时间:2024-05-21 10:15:12 浏览:9000
来源:标准资料网
【英文标准名称】:Socketsforminiaturetubeswith7pins;gauges
【原文标准名称】:7脚微型管的管座.量规
【标准号】:DIN41557-4-1959
【标准状态】:作废
【国别】:德国
【发布日期】:1959-11
【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】:插座;量规;电子管;电气工程;尺寸;销钉
【英文主题词】:sockets;dimensions;electronictubes;electrontubes;pins(nails);electricalengineering;gauges
【摘要】:
【中国标准分类号】:L24
【国际标准分类号】:1950
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:FiredHeatersforGeneralRefineryServices
【原文标准名称】:一般炼油厂用火加热器
【标准号】:ANSI/API560-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:附件;空气预热器;燃烧器;定义(术语);交货条件;英语;加热器;天然气工业;石油工业;预热器;熔炼厂;规范(验收);技术数据单;测试
【英文主题词】:Accessories;Airpreheaters;Burners;Definitions;Deliveryconditions;Englishlanguage;Heaters;Naturalgasindustries;Oilindustries;Preheaters;Refineries;Specification(approval);Technicaldatasheets;Testing
【摘要】:Specifiesrequirementsandgivesrecommendationsforthedesign,materials,fabrication,inspection,testing,preparationforshipment,anderectionoffiredheaters,airpreheaters,fansandburnersforgeneralrefineryservice.Thisstandardisnotintendedtoapplytothedesignofsteamreformersorpyrolysisfurnace.
【中国标准分类号】:G93
【国际标准分类号】:75_180_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingFormaldehydeConcentrationinAirfromWoodProductsUsingaSmallScaleChamber
【原文标准名称】:用小型室测定空气中来自木制品的甲醛浓度的标准试验方法
【标准号】:ASTMD6007-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:airborne;chromotropicacidanalysis;formaldehydeconcentrationinair;smallchamber;small-scaletest;woodproducts;
【摘要】:Limitationsonformaldehydelevelshavebeenestablishedforwoodpanelbuildingproductsmadewithurea-formaldehydeadhesivesandpermanentlyinstalledinhomesorusedascomponentsinkitchencabinetsandsimilarindustrialproducts.ThistestmethodisintendedforuseinconjunctionwiththetestmethodreferencedbyHUDRulesandRegulations24CFR3280formanufacturedhousingandbyMinnesotaStatutesSection144.495forhousingunitsandbuildingmaterials.Thistestmethodprovidesameansoftestingsmallersamplesandreducesthetimerequiredfortesting.Formaldehydeconcentrationlevelsobtainedbythissmall-scalemethodmaydifferfromexpectedinfull-scaleindoorenvironments.Variationsinproductloading,temperature,relativehumidity,andairexchangewillaffectformaldehydeemissionratesandthuslikelyindoorairformaldehydeconcentrations.Thistestmethodrequirestheuseofachamberof0.02to1m3involumetoevaluatetheformaldehydeconcentrationinairusingthefollowingcontrolledconditions:4.3.1Conditioningofspecimenspriortotesting,4.3.2Exposedsurfaceareaofthespecimensinthetestchamber,4.3.3Testchambertemperatureandrelativehumidity,4.3.4TheQ/Aratio,and4.3.5Aircirculationwithinthechamber.1.1Thistestmethodmeasurestheformaldehydeconcentrationsinairfromwoodproductsunderdefinedtestconditionsoftemperatureandrelativehumidity.Resultsobtainedfromthissmall-scalechambertestmethodareintendedtobecomparabletoresultsobtainedtestinglargerproductsamplesbythelargechambertestmethodforwoodproducts,TestMethodE1333.TheresultsmaybecorrelatedtovaluesobtainedfromTestMethodE1333.ThequantityofformaldehydeinanairsamplefromthesmallchamberisdeterminedbyamodificationoftheNationalInstituteforOccupationalSafetyandHealth(NIOSH)3500chromotropicacidtestprocedure.Otheranalyticalproceduresmaybeusedtodeterminethequantityofformaldehydeintheairsampleprovidedthatsuchmethodsgiveresultscomparabletothoseobtainedbyusingthechromotropicacidprocedure.However,thetestresultsandtestreportmustbeproperlyqualifiedandtheanalyticalprocedureemployedmustbeaccuratelydescribed.1.2Thewood-basedpanelproductstobetestedbythistestmethodarecharacteristicallyusedfordifferentapplicationsandaretestedatdifferentrelativeamountsorloadingratiostoreflectdifferentapplications.Thisisatestmethodthatspecifiestestingatvariousloadingratiosfordifferentproducttypes.However,thetestresultsandtestreportmustbeproperlyqualifiedandmustspecifythemake-upairflow,samplesurfacearea,andchambervolume.1.3Idealcandidatesforsmall-scalechambertestingareproductsrelativelyhomogeneousintheirformaldehydereleasecharacteristics.Still,productinhomogeneitiesmustbeconsideredwhenselectingandpreparingsamplesforsmall-scalechambertesting.1.4ThevaluesstatedinSIunitsarethestandardvalues.Anyvaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y80
【国际标准分类号】:13_040_20
【页数】:9P.;A4
【正文语种】:
