DIN 28040-1989 设备法兰连接用平密封件

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【英文标准名称】:Semiconductordevices-Part16-1:Microwaveintegratedcircuits-Amplifiers
【原文标准名称】:半导体器件.第16-1部分:微波集成电路.放大器
【标准号】:IEC60747-16-1Edition1.1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC47E
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电气工程;电子工程;电子设备及元件;集成电路;微波放大器;半导体器件;术语
【英文主题词】:Definition;Definitions;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Integratedcircuits;Microwaveamplifiers;Semiconductordevices;Terminology
【摘要】:ThispartofIEC60747providestheterminology,theessentialratingsandcharacteristics,aswellasthemeasuringmethodsforintegratedcircuitmicrowavepoweramplifiers.
【中国标准分类号】:L40
【国际标准分类号】:31_080_99
【页数】:56P;A4
【正文语种】:英语


【英文标准名称】:Acoustics-Determinationofoccupationalnoiseexposure-Engineeringmethod(ISO9612:2009)
【原文标准名称】:声学.职业噪声暴露的测定.工程法(ISO9612-2009)
【标准号】:BSENISO9612-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学测量;声学;分析;听觉缺损;定义(术语);评估;曝光;危害;损坏伤害;测量;测量技术;噪声;噪声控制;噪声干扰;噪声排放;噪声等级;噪声测量值;噪声降低;职业安全;精密度;声压;工作地点
【英文主题词】:Acousticmeasurement;Acoustics;Analysis;Auditorydefects;Definitions;Evaluations;Exposure;Hazards;Impairmentdamage;Measurement;Measuringtechniques;Noise;Noisecontrol;Noisedisturbances;Noiseemissions;Noiselevels;Noisemeasurements;Noisereduction;Occupationalsafety;Precision;Soundpressure;Workingplaces
【摘要】:ThisInternationalStandardspecifiesanengineeringmethodformeasuringworkers’exposuretonoiseinaworkingenvironmentandcalculatingthenoiseexposurelevel.ThisInternationalStandarddealswithA-weightedlevelsbutisapplicablealsotoC-weightedlevels.Threedifferentstrategiesformeasurementarespecified.Themethodisusefulwhereadeterminationofnoiseexposuretoengineeringgradeisrequired,e.g.fordetailednoiseexposurestudiesorepidemiologicalstudiesofhearingdamageorotheradverseeffects.Themeasuringprocessrequiresobservationandanalysisofthenoiseexposureconditionssothatthequalityofthemeasurementscanbecontrolled.ThisInternationalStandardprovidesmethodsforestimatingtheuncertaintyoftheresults.ThisInternationalStandardisnotintendedforassessmentofmaskingoforalcommunicationorassessmentofinfrasound,ultrasoundandnon-auditoryeffectsofnoise.Itdoesnotapplytothemeasurementofthenoiseexposureoftheearwhenhearingprotectorsareworn.ResultsofthemeasurementsperformedinaccordancewiththisInternationalStandardcanprovideusefulinformationwhendefiningprioritiesfornoisecontrolmeasures.
【中国标准分类号】:C71
【国际标准分类号】:
【页数】:52P.;A4
【正文语种】:英语