ASTM C 91-2001 砌筑水泥标准规范
时间:2024-05-03 21:01:33 来源: 标准资料网 作者：标准资料网 阅读：9838
【英文标准名称】:StandardSpecificationforMasonryCement
【原文标准名称】:砌筑水泥标准规范
【标准号】:ASTMC91-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:砖石工程;规范(验收);水泥
【英文主题词】:masonry;specification(approval);cements
【摘要】:
【中国标准分类号】:Q11
【国际标准分类号】:91_100_10
【页数】:6P;A4
【正文语种】:英语
【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
Product Code:SAE AMS2422
Title:Plating, Gold
Issuing Committee:Ams B Finishes Processes And Fluids Committee
Scope:This specification covers the engineering requirements for electrodeposition of gold and the properties of the deposit.