BS 5647-1979 飞机噪声鉴定用电声测量仪规范

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【英文标准名称】:Specificationforelectro-acousticalmeasuringequipmentforaircraftnoisecertification
【原文标准名称】:飞机噪声鉴定用电声测量仪规范
【标准号】:BS5647-1979
【标准状态】:作废
【国别】:英国
【发布日期】:1979-01-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学设备;灵敏度;传声器;频率响应;标准化参数;电子设备及元件;声学测量;频率;性能;工作范围;噪声;准确度;认证;校正;分辨率;试验设备;飞行器
【英文主题词】:
【摘要】:
【中国标准分类号】:N65
【国际标准分类号】:
【页数】:16P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforEstablishingtheCompetenceofLaboratoriesUsingASTMProceduresintheSamplingandAnalysisofCoalandCoke
【原文标准名称】:煤和焦炭样品制备及分析的ASTM法实验室性能评定的标准实施规程
【标准号】:ASTMD7448-2009
【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】:D05.30
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:accuracy;competence;evaluation;laboratory;management;stability
【摘要】:InternationalstandardANS/ISO/IEC17025promotestheuseofdocumentedaccountabilityandqualitycontrolprocedurestoassurealaboratoryanditsclientsthatthelaboratorycanproducetechnicallyvaliddataandresultsintheroutineperformanceofitssampling,samplepreparationandtestingactivities.AlaboratoryshalluseANSI/ISO/IEC17025todevelopitsqualitysystem.Clause4ofANS/ISO/IEC17025specifiestherequirementsforsoundmanagement.Clause5ofANS/ISO/IEC17025specifiestherequirementsfortechnicalcompetenceforthetypeoftestsorcalibrations,orboththelaboratoryundertakes.InadditiontocomplyingwiththerequirementsofANS/ISO/IEC17025,theAnnexofthisstandardpracticecontainsinformationthatshallbeconsideredimportantfortheevaluationandoperationofacompetentCoalandCokesamplingortestingfacility,orboth.TheinformationinthisAnnexispresentedwhereitisnototherwisecoveredinANS/ISO/IEC17025ortheapplicableASTMmethods.Laboratoryclients,regulatoryauthorities,andaccreditationbodiesthatrecognizethecompetenceoftestingandcalibrationlaboratoriescanusethisstandardpracticeasthebasisfortheirevaluation.TheprimarysignificanceofthispracticeistoestablishthatforalaboratorytogeneratemeasurementstraceabletoSIunits,itmust:Haveaclearunderstandingoftheworkrequestedbytheclient.MeetthequalitysystemrequirementsoftheinternationallyacceptedANS/ISO/IEC17025standard.UsetestmethodswhichhavebeenshowntobetraceabletoSIunitsofmeasurementBeabletodemonstratethatthelaboratoryisinstatisticalcontrolatthetimethemeasurementsaremade.1.1Thispracticespecifiesrequirementstooperateandevaluatethequalityandmanagementsystemsinalaboratorythatprovidesserviceswithrespecttosamplecollection,samplepreparation,ortestingofcoal,coke,andashderivedfromcoalorcokeusingASTMstandardsthatareunderthejurisdictionofCommitteeD05onCoalandCoke.Note18212;Thewordx201C;laboratoryx201D;isusedthroughoutthispracticewhenreferringtoanorganizationthatprovidesservicesincoalsamplingortesting,orboth.Itisrecognized,however,thatthewordmaynotbeappropriatetoanorganizationthatdoesnotperformactuallaboratorysampletesting.1.2InternationalstandardANS/ISO/IEC17025shallbethegoverningdocumentspecifyingrequirementsformanagement,technicalcompetenceandevaluationofalaboratory.Note28212;Anaccreditingbodyoruseroflaboratoryservicescanalsoimposetechnicalornon-technicalrequirementsnotspecificallyaddressedinANS/ISO/IEC17025providedtheydonotinvalidatetherequirementsofANS/ISO/IEC17025.1.3Thispracticeisusedtoevaluateonlythosecapabilitesspecificallyclaimedbyalaboratory.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:75_160_10
【页数】:8P.;A4
【正文语种】:英语


【英文标准名称】:Telecommunications-TelephoneTerminalEquipment-ResistanceandImpedancePerformanceRequirements
【原文标准名称】:电信.电话终端设备.电阻和阻抗的性能要求
【标准号】:ANSI/TIA-470-210-C-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【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】:
【英文主题词】:Impedance;Performancerequirements;Resistance;Telecommunications;Telephoneequipment;Terminals
【摘要】:Thisdocumentestablishescriteriaandproceduresforevaluatingtheresistanceandimpedanceperformanceofanalogterminals
【中国标准分类号】:M40
【国际标准分类号】:33_050_10
【页数】:
【正文语种】:英语