DIN ISO 8719-1988 商用车辆和客车.齿轮传动的空气压缩机用的四孔法兰盘

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【英文标准名称】:Commercialvehiclesandbuses;four-holeflangesforgear-drivenaircompressors;identicalwithISO8719,edition1986
【原文标准名称】:商用车辆和客车.齿轮传动的空气压缩机用的四孔法兰盘
【标准号】:DINISO8719-1988
【标准状态】:现行
【国别】:德国
【发布日期】:1988-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:FAKRA
【标准类型】:()
【标准水平】:()
【中文主题词】:商用车辆;客车;制动器;公共汽车;压缩空气系统;法兰;摩托车;尺寸;公差;空气压缩机;压缩机;内燃机;道路车辆;齿轮传动
【英文主题词】:Aircompressors;Brakes;Buses;Buses(vehicles);Commercialroadvehicles;Commercialvehicles;Compressed-airsystems;Compressors;Dimensions;Flanges;Geardrives;Internalcombustionengines;Motorvehicles;Roadvehicles;Tolerances(measurement)
【摘要】:Theflangesareusedformountingcompressorsonreciprocatinginternalcombustionenginesforcommercialvehiclesandbuses.
【中国标准分类号】:T33
【国际标准分类号】:43_060_20
【页数】:5P.;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforDeterminationofSolarReflectanceNearAmbientTemperatureUsingaPortableSolarReflectometer
【原文标准名称】:使用便携式太阳反射计测定接近室内温度太阳反射比的标准试验方法
【标准号】:ASTMC1549-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:portablereflectometer;reflectometer;solarreflectance;solarreflectometer;Ambienttemperature;Portablereflectometer;Reflectanceandreflectivity--solardevices;Reflectometer/reflectrometry;Solarreflectance
【摘要】:Thetemperaturesofopaquesurfacesexposedtosolarradiationaregenerallyhigherthantheadjacentairtemperatures.Inthecaseofroofsorwallsenclosingconditionedspaces,increasedinwardheatflowsresult.Inthecaseofequipmentorstoragecontainersexposedtothesun,increasedoperatingtemperaturesusuallyresult.Theextenttowhichsolarradiationaffectssurfacetemperaturesdependsonthesolarreflectanceoftheexposedsurface.Asolarreflectanceof1.0(100%reflected)wouldmeannoeffectonsurfacetemperaturewhileasolarreflectanceof0(nonereflected,allabsorbed)wouldresultinthemaximumeffect.Coatingsofspecificsolarreflectanceareusedtochangethetemperatureofsurfacesexposedtosunlight.Coatingsandsurfacefinishesarecommonlyspecifiedintermsofsolarreflectance.Theinitial(clean)solarreflectancemustbemaintainedduringthelifeofthecoatingorfinishtohavetheexpectedthermalperformance.Thetestmethodprovidesameansforperiodictestingofsurfacesinthefieldorinthelaboratory.Monitorchangesinsolarreflectanceduetoagingandexposure,orboth,withthistestmethod.Thistestmethodisusedtomeasurethesolarreflectanceofaflatopaquesurface.Theprecisionoftheaverageofseveralmeasurementsisusuallygovernedbythevariabilityofreflectancesonthesurfacebeingtested.UsethesolarreflectancethatisdeterminedbythismethodtocalculatethesolarenergyabsorbedbyanopaquesurfaceasshowninEq1.1.1Thistestmethodcoversatechniquefordeterminingthesolarreflectanceofflatopaquematerialsinalaboratoryorinthefieldusingacommercialportablesolarreflectometer.Thepurposeofthetestmethodistoprovidesolarreflectancedatarequiredtoevaluatetemperaturesandheatflowsacrosssurfacesexposedtosolarradiation.1.2ThistestmethoddoesnotsupplantTestMethodE903whichmeasuressolarreflectanceoverthewavelengthrange250to2500nmusingintegratingspheres.Theportablesolarreflectometeriscalibratedusingspecimensofknownsolarreflectancetodeterminesolarreflectancefrommeasurementsatfourwavelengthsinthesolarspectrum:380nm,500nm,650nm,and1220nm.ThistechniqueissupportedbycomparisonofreflectometermeasurementswithmeasurementsobtainedusingTestMethodE903.Thistestmethodisapplicabletospecimensofmaterialshavingbothspecularanddiffuseopticalproperties.Itisparticularlysuitedtothemeasurementofthesolarreflectanceofopaquematerials.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F12
【国际标准分类号】:27_160
【页数】:6P.;A4
【正文语种】:英语


基本信息
标准名称:饮用天然矿泉水水样的采集和保存
中标分类: 食品 >> 饮料 >> 饮料制品
替代情况:被GB/T 8538-1995代替
发布日期:1900-01-01
实施日期:1988-08-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:7页
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所属分类: 食品 饮料 饮料制品