【英文标准名称】:Nuclearinstrumentation-Densitygaugesutilizingionizingradiation-Definitionsandtestmethods
【原文标准名称】:核仪器法.利用电离辐射的密度计.定义和试验方法
【标准号】:BSIEC60692-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-03-15
【实施或试行日期】:2000-03-15
【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】:性能试验;试验条件;稳定性;液体;模拟信号;数字信号;定义;环境试验;辐射测量;准确度;测量特征;核技术;测量仪器;误差修正;电离辐射;气体;乱真信号;固体;工作环境;密度测量;量规
【英文主题词】:Definition;Definitions;Densimeters;Density;Densitymeasurement;Dosimeters;Electricalengineering;Ionizingradiation;Irradiation;Measurement;Measuringequipment;Measuringinstruments;Non-destructivetesting;Nuclear;Nucleartechnology;Radiationmeasurement;Radiographictesting;Radiometers;Radionuclides;Reactorinstrumentation;Testing;Testingconditions
【摘要】:ThisInternationalStandardrelatestodefinitions,testmethodsandproceduresfordensitygaugesutilizingionizingradiation,designedformeasuringthedensityofliquids,gasvapours,slurries,orfluidizedsolids.Theoutputsignalsfromdensitygaugesmaybeeitheranalogueordigital.Themeasurementsystemmayalsoincludemultipleinputsignalswithvariousmeansofcompensationandsignalconditioningpriortotheoutputsignals.Referencetocompliancewiththisstandardshallidentifyanydeviationsandthereasonsforsuchdeviations.SafetyaspectsarecoveredinotherIECandISOstandards(forexampleIEC60405,ISO2919,ISO7205,ISO9978).Considerationshouldalsobegiventocompliancewithallapplicablenationalandlocalregulationsandcodesofpractice.NOTE1Manydensitymeasuringsystemsinusetodayhavemultiplesensors(i.e.temperatureandpressure)andemployvariousmeansofcompensatingthebasicsensorsignalstominimizetheeffectsofextraneousinfluencequantitiesthatintroducemeasurementerrors,ortocorrectthedensityreadingtoastandardreferencetemperatureorpressure.Dedicatedmicroprocessorshavefurtherenhancedmultipleinputsignalprocessinganderrorcompensationtechniques.NOTE2Inthisstandard,theterm"density"meansthedensityoftheirradiatedmaterialbeingmeasured.Itisusedinterchangeablytomeanmasspervolumeorpercentsolids.Radiometricsensorsindensityapplicationsgenerallymeasuremassattenuationofaphotonbeam.Theobjectofthisstandardistoestablishdefinitions,specificationsandtestmethodsfornucleardensitygauges.
【中国标准分类号】:F80
【国际标准分类号】:17_240
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDrynessofPropane(ValveFreezeMethod)
【原文标准名称】:丙烷干燥性的标准试验方法(阀冻结法)
【标准号】:ASTMD2713-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:D02.H0
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:干燥度;冻结阀;丙烷;水;阀冻结法
【英文主题词】:dryness;freezevalve;propane;water;Valvefreezemethod
【摘要】:Thistestisafunctionaltestinwhichthewaterconcentrationintheproductisrelatedtoproductbehaviorcharacteristicsinapressure-reducingsystemofspecialdesigntoarriveatameasureofproductacceptabilityincommonuseapplications.Experiencehasdemonstratedthatexcessivewatercontent(dissolvedwater)willcausefreeze-updifficultiesinpressurereducingsystems.1.1Thistestmethodcoversthemeasurementofthedrynessofpropaneproductsthatdonotcontainantifreezeagentssuchas,butnotlimitedto,commercialpropaneandspecialdutypropane(seeSpecificationD1835).1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesinparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:71_100_20
【页数】:3P.;A4
【正文语种】: