【英文标准名称】:StandardPracticeforMeasuringSurfaceAtmosphericTemperaturewithElectricalResistanceTemperatureSensors
【原文标准名称】:用电阻温度感应器测量表面大气温度的标准规程
【标准号】:ASTMD6176-1997(2003)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D22.11
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:地球表面;空气温度;电温度计;阻尼式温度计;热敏电阻;大气的
【英文主题词】:airtemperature;platinumresistancethermometer;resistancethermometer;solarandterrestrialradiationshields;thermistor;
【摘要】:Applications8212;Ambientatmospherictemperaturemeasurementscanbemadeusingresistancethermometersformanypurposes.Theapplicationdeterminesthemostappropriatetypeofresistancethermometeranddatarecordingmethodtobeused.Examplesofthreetypicalmeteorologicalapplicationsfortemperaturemeasurementsfollow.4.1.1Single-level,near-surfacemeasurementsforweatherobservations(1)3,thermodynamiccomputationsforindustrialapplications,orenvironmentalstudies(2).4.1.2Temperaturedifferentialorverticalgradientmeasurementstocharacterizeatmosphericstabilityforatmosphericdispersionanalysesstudies(2).4.1.3Temperaturefluctuationsforheatfluxortemperature,orvariancecomputations,orboth.Measurementsofheatfluxandtemperaturevariancerequirehighprecisionmeasurementswithafastresponsetochangesintheambientatmosphere.Purpose8212;Thispracticeisdesignedtoassisttheuserinselectinganappropriatetemperaturemeasurementsystemfortheintendedatmosphericapplication,andproperlyinstallingandoperatingthesystem.Themanufacturer’recommendationsandtheU.S.EnvironmentalProtectionAgencyhandbookonqualityassuranceinmeteorologicalmeasurements(3)shouldbeconsultedforcalibrationandperformanceauditprocedures.1.1Thispracticeprovidesprocedurestomeasurerepresentativenear-surfaceatmospheric(outdoorair)temperatureformeteorologicalpurposesusingcommonlyavailableelectricalthermometershousedinradiationshieldsmountedonstationaryorportablemastsortowers.1.2Thispracticeisapplicableformeasurementsoverthetemperaturerangenormallyencounteredintheambientatmosphere,-50to+50176;C.1.3Airtemperaturemeasurementsystemsincludearadiationshield,resistancethermometer,signalcables,andassociatedelectronics.1.4Measurementscanbemadeatasinglelevelforvariousmeteorologicalpurposes,attwoormorelevelsforverticaltemperaturedifferences,andusingspecialequipment(atoneormorelevels)forfluctuationsoftemperaturewithtimeappliedtofluxorvariancemeasurements.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A46
【国际标准分类号】:17_200_20
【页数】:5P.;A4
【正文语种】:
基本信息
标准名称: | 微生物农药毒理学试验准则 第2部分:急性经呼吸道毒性/致病性试验 |
发布部门: | 中华人民共和国农业部 |
发布日期: | 2012-06-06 |
实施日期: | 2012-09-01 |
首发日期: | |
作废日期: | |
出版社: | 中国农业出版社 |
出版日期: | 2012-09-01 |
适用范围
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前言
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所属分类: 农业 林业 经济作物 其他经济作物