ASME B30.21 INTERPRETATIONS-2010 B30.2-1994的说明.手动操作杆式提升机
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【英文标准名称】:InterpretationstoB30.2-1994ManuallyLeverOperatedHoists
【原文标准名称】:B30.2-1994的说明.手动操作杆式提升机
【标准号】:ASMEB30.21INTERPRETATIONS-2010
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:InterpretationstoB30.2-1994ManuallyLeverOperatedHoists
【中国标准分类号】:J80
【国际标准分类号】:53_020_99
【页数】:
【正文语种】:英语
【英文标准名称】:AEROSPACESERIES.ELEMENTSOFELECTRICALANDOPTICALCONNECITON.TESTMETHODS.PARTB8:TEMPERATURERISEDUETORATEDCURRENT.(EUROPEANSTANDARDEN2591-B8).
【原文标准名称】:航空航天系列.电气及光学连接的元件.试验方法.第B8部分:额定电流引起的温升
【标准号】:NFL54-002-11-1994
【标准状态】:作废
【国别】:法国
【发布日期】:1994-03
【实施或试行日期】:1994-02-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:V25
【国际标准分类号】:
【页数】:6P;A4
【正文语种】:其他
【英文标准名称】:Electroacoustics-Audiologicalequipment-Part1:Pure-toneaudiometers
【原文标准名称】:电声学听力设备第1部分：纯音听力计
【标准号】:IEC60645-1-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-06
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:听力试验;声学测量;校正;安全;听觉;听力计;医用电气设备;听觉阈;听度;纯普听力图;仿真耳;仿真乳突;计量学;电医学;文献工作;定义;定义;测量仪器;电声学;电气工程;试验;试验;试验;试验;声学设备;规范(验收);使用说明;作标记;检验;声级;声学
【英文主题词】:Acousticequipment;Acousticmeasurement;Acoustics;Adjustingelements;Airtubes;Artificialears;Artificialmastoids;Audiobility;Audiometers;Audiometry;Auditorythreshold;Batteries;Boneconduction;Calibration;Chaincases;Classes;Commissioning;Contact;Definitions;Density;Diagnosticequipment;Distortionfactors;Duration;Earprotectors;Earsimulators;Ears;Electricpowersystems;Electricalengineering;Electricalmedicalequipment;Electricalsafety;Electroacoustics;Electromagnetism;Electromedicine;Electrostatics;Environment;Environmentalcondition;Equipment;Fluctuation;Force;Frequencies;Headphones;Hearingabilitytests;Hearing(auditoryperception);Hearingtests;Humidity;Inspection;Instructionsforuse;Interferences;Letterings;Loudspeakers;Mainspowersupply;Marking;Maskingnoise;Measurementofthresholdofaudibility;Measuringincertainity;Measuringinstruments;Metrology;Modulation;Noise;Noise(environmental);Operation;Operationalinstructions;Precision;Pure-toneaudiometers;References;Safety;Safetyrequirements;Sensitivity;Signals;Sound;Soundabsorption;Soundintensity;Soundlevels;Soundpressure;Soundradiation;Soundtransducer;Specification(approval);Steps;Strips;Switches;Testsignals;Testing;Velocity;Zonesofreach
【摘要】:ThispartofIEC60645specifiesgeneralrequirementsforaudiometersandparticularrequirementsforpure-toneaudiometersdesignedforuseindetermininghearingthresholdlevels,incomparisonwithstandardreferencethresholdlevelsbymeansofpsychoacoustictestmethods.TheobjectofthisInternationalStandardistoensure:a)thattestsofhearing,particularlythreshold,inthefrequencyrange125Hzto8000HzonagivenhumanearperformedwithdifferentaudiometerswhichcomplywiththisInternationalStandardusingmethodsdescribedinISO8253-1andISO6189shallgivesubstantiallythesameresults;b)thattheresultsobtainedrepresentavalidcomparisonbetweenthehearingoftheeartestedandthereferencethresholdofhearing;c)thataudiometersareclassifiedaccordingtotherangeoftestsignalstheygenerate,accordingtothemodeofoperationoraccordingtothecomplexityoftherangeofauditoryfunctionstheytest.
【中国标准分类号】:N65
【国际标准分类号】:13_140
【页数】:69P.;A4
【正文语种】:英语
