SAE AS4406 Fitting Assembly, Union, Reducer and Nonreducer, Internal Flare

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Product Code:SAE AS4406
Title:Fitting Assembly, Union, Reducer and Nonreducer, Internal Flare
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:No scope available.
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【英文标准名称】:TestMethodforSurfaceWettabilityofPaper(Angle-Of-ContactMethod)
【原文标准名称】:纸表面润湿性的试验方法(接触角法)
【标准号】:ANSI/ASTMD724-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【实施或试行日期】:2003
【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】:表面;润湿度;包装件;纸;包装;试验
【英文主题词】:Packages;Packaging;Paper;Surfaces;Testing;Wettability
【摘要】:Thistestmethodmeasurestheangleofcontactwhenadropofliquidisappliedtothesurfaceofaspecimenofpaper.Themeasurementofboththeinitialangleofcontactandtheangleofcontactafteradefinedelapsedperiodoftimemaybemeasured.Astandardliquid(ink)formakingmeasurementsisdescribed.Otherliquidsincludingprintinginks,writinginks,adhesives,oils,andcoatingmaterialsmaybeuseduponagreementofthoseinvolvedinthetestingbeingdone.Twotypesofapparatusformeasuringthecontactangleusingtheprocedureinthistestmethodaredescribed.Additionalinstrumentsthatcanperformtheprocedureinthistestmethodmayalsoprovideequivalentresults.AdifferentprocedureusinganautomatedinstrumentformeasuringangleofcontactwillbefoundinTestMethodD5725Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:
【正文语种】:英语


【英文标准名称】:Soundsystemequipment-Microphones
【原文标准名称】:音响系统设备.传声器
【标准号】:BSEN60268-4-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-05-12
【实施或试行日期】:2004-05-12
【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】:
【英文主题词】:Acoustoelectricdevices;Amplitude;Classification;Distortionfactors;Dynamics;Electricalengineering;Electricalequipment;Electroacoustics;Environmentalcondition;Frequencycurve;Frequencyresponse;Impedance;Influencequantity;Marking;Measurement;Measuringtechniques;Microphones;Naturalnoisevoltage;Noise;Non-linearity;Operatingconditions;Parameters;Properties;Referenceaxes;Referencecurve;Soundpressure;Soundpressurelevel;Soundtransmission;Symmetry;Testing;Transfercoefficient;Transmissiondevices;Transmissionsystems;Voltagemeasuring
【摘要】:ThispartofIEC60268specifiesmethodsofmeasurementfortheelectricalimpedance,sensitivity,directionalresponsepattern,dynamicrangeandexternalinfluencesofsoundsystemmicrophones,andalsogivesrecommendationsastocharacteristicstobespecified.Itappliestosoundsystemmicrophonesforallapplicationsforspeechandmusic.Itdoesnotapplytomeasurementmicrophones,butitdoesapplytoeachaudiochannelofmicrophoneshavingmorethanonechannel,forexampleforstereoorsimilaruse.Itisalsoapplicabletoflush-mountedmicrophonesandtotheanaloguecharacteristicsofmicrophoneswithdigitalaudiooutput.ForthepurposesofthisInternationalStandard,amicrophoneincludesallsuchdevicesastransformers,pre-amplifiers,orotherelementsthatformanintegralpartofthemicrophone,uptotheoutputterminalsspecifiedbythemanufacturer.NOTEThecharacteristicsspecifiedinthisstandarddonotcompletelydescribethesubjectiveresponseofthemicrophone.Furtherworkisnecessarytofindnewdefinitionsandmeasurementproceduresforalaterreplacementbyobjectivecharacteristicsofatleastsomeofthesubjectivedescriptionsusetodescribemicrophoneperformance.
【中国标准分类号】:M72
【国际标准分类号】:33_160_50
【页数】:50P.;A4
【正文语种】:英语