UL 60730-2-13-1999 家用和类似用途的自动电气控制装置.第2部分:湿度传感控制设备的特殊要求
时间:2024-05-13 17:19:21 来源: 标准资料网 作者：标准资料网 阅读：9653
【英文标准名称】:Automaticelectricalcontrolsforhouseholdandsimilaruse-Part2:Particularrequirementsforhumiditysensingcontrols
【原文标准名称】:家用和类似用途的自动电气控制装置.第2部分:湿度传感控制设备的特殊要求
【标准号】:UL60730-2-13-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999-04
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:电气器具;控制系统;自动控制系统;电气工程;家用;控制装置;规范(验收);电控制设备;湿度控制;潮气控制
【英文主题词】:specification(approval);electricalengineering;electriccontrolequipment;controldevices;automaticcontrolsystems;controlsystems;electricappliances;moisturecontrol;householduse;humiditycontrol
【摘要】:
【中国标准分类号】:Y60
【国际标准分类号】:97_120
【页数】:28P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforMeasuringElementsinWaterbyFlameAtomicAbsorptionSpectrophotometry
【原文标准名称】:火焰原子吸收分光光度法测定水中元素的标准实施规范
【标准号】:ASTMD4691-2002(2007)
【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(US-ASTM)
【起草单位】:D19.05
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:水;测量;元件
【英文主题词】:atomicabsorptionspectrophotometry;flame
【摘要】:Elementalconstituentsinwaterandwastewaterneedtobeidentifiedtosupporteffectivewaterqualitymonitoringandcontrolprograms.Currently,oneofthemostwidelyusedandpracticalmeansformeasuringconcentrationsofelementsisbyatomicabsorptionspectrophotometry.Themajoradvantageofatomicabsorptionoveratomicemissionisthealmosttotallackofspectralinterferences.Inatomicemission,thespecificityofthetechniqueisalmosttotallydependentonmonochromatorresolution.Inatomicabsorption,however,thedetectorseesonlythenarrowemissionlinesgeneratedbytheelementofinterest.1.1Thispracticecoversgeneralconsiderationsforthequantitativedeterminationofelementsinwaterandwastewaterbyflameatomicabsorptionspectrophotometry.Flameatomicabsorptionspectrophotometryissimple,rapid,andapplicabletoalargenumberofelementsindrinkingwater,surfacewaters,anddomesticandindustrialwastes.Whilesomewatersmaybeanalyzeddirectly,otherswillrequirepretreatment.1.2Detectionlimits,sensitivity,andoptimumrangesoftheelementswillvarywiththevariousmakesandmodelsofsatisfactoryatomicabsorptionspectrometers.Theactualconcentrationrangesmeasurablebydirectaspirationaregiveninthespecifictestmethodforeachelementofinterest.Inthemajorityofinstancestheconcentrationrangemaybeextendedlowerbyuseofelectrothermalatomizationandconverselyextendedupwardsbyusingalesssensitivewavelengthorrotatingtheburnerhead.Detectionlimitsbydirectaspirationmayalsobeextendedthroughsampleconcentration,solventextractiontechniques,orboth.Wheredirectaspirationatomicabsorptiontechniquesdonotprovideadequatesensitivity,theanalystisreferredtoPracticeD3919orspecializedproceduressuchasthegaseoushydridemethodforarsenic(TestMethodsD2972)andselenium(TestMethodsD3859),andthecoldvaportechniqueformercury(TestMethodD3223).1.3Becauseofthedifferencesamongvariousmakesandmodelsofsatisfactoryinstruments,nodetailedoperatinginstructionscanbeprovided.Insteadtheanalystshouldfollowtheinstructionsprovidedbythemanufacturerofaparticularinstrument.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecifichazardstatementsseeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:Hydraulicallyboundmixtures-Specifications-Soiltreatedbyhydraulicroadbinder
【原文标准名称】:液力粘结混合料.规范.液压道路粘合剂处理的土壤
【标准号】:BSEN14227-13-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-06-30
【实施或试行日期】:2006-06-30
【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】:路面基层粘合剂;路面基层;粘合;建筑材料;分类;组分;团料;建筑;施工材料;定义;含量测定;火焰扩散等级;粒度分选;液压的;实验室测试;矿质集料;混合物;钉木结构桁架;粒状材料;路面(道路);道路建筑;岩石;尺寸范围;土壤改良;土壤;规范(验收);测试;测试条件;水;含水量
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiessoilstreatedbyhydraulicroadbinderforroads,airfieldsandothertraffickedareasandspecifiestherequirementsfortheirconstituents,compositionandlaboratoryperformanceclassification.
【中国标准分类号】:Q20
【国际标准分类号】:93_080_20
【页数】:26P;A4
【正文语种】:英语