【英文标准名称】:StandardSpecificationforDishes,Evaporating,Platinum
【原文标准名称】:铂蒸发皿
【标准号】:ASTME786-1981(2006)
【标准状态】:现行
【国别】:
【发布日期】:1981
【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】:E41.01
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:皿;材料;规范(批准);实验室器皿;铂
【英文主题词】:dishes;evaporating;platinum
【摘要】:1.1Thisspecificationcoversplatinumevaporatingdishessuitableforwateranalysisandlaboratoryuse.
【中国标准分类号】:N64
【国际标准分类号】:71_040_20
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Measurementmicrophones-Part1:Specificationsforlaboratorystandardmicrophones
【原文标准名称】:测量传声器第1部分:实验室标准传声器规范
【标准号】:IEC61094-1-2000
【标准状态】:现行
【国别】:国际
【发布日期】:2000-07
【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】:实验室器皿;电声器件;规范(验收);传声器;测量仪器;测定
【英文主题词】:Acoustoelectricdevices;Calibration;Classification;Condensermicrophones;Definitions;Determinations;Dimensions;Electroacoustics;Environmentalcondition;Laboratories;Laboratoryapparatus;Laboratoryequipment;Laboratoryware;Measurement;Measurementmicrophones;Measuringinstruments;Measuringtechniques;Microphones;Normal;Pressurechambers;Pressuretransmission;Properties;Ratings;Referenceconditions;Soundpressure;Specification(approval);Testing
【摘要】:ThispartofIEC61094specifiesmechanicaldimensionsandcertainelectroacousticcharacteristicsforcondensermicrophonesusedaslaboratorystandardsfortherealizationoftheunitofsoundpressureandforsoundpressuremeasurementsofthehighestattainableaccuracy.Thespecificationsareintendedtoensurethatprimarycalibrationbythereciprocitymethodcanbereadilycarriedout.Thispartalsoestablishesasystemforclassifyinglaboratorystandardcondensermicro-phonesintoanumberoftypesaccordingtotheirdimensionsandpropertiesinordertofacilitatethespecificationofcalibrationmethods,theconductingofinter-laboratorycomparisonsinvolvingthecalibrationofthesamemicrophonesindifferentlaboratories,andtheinterchangeabilityofmicrophonesinagivencalibrationsystem.
【中国标准分类号】:N65
【国际标准分类号】:17_140_50;33_160_50
【页数】:27P.;A4
【正文语种】:英语