【英文标准名称】:StandardTestMethodforWaterVaporTransmissionofPressure-SensitiveTapes
【原文标准名称】:压敏带水蒸气透过性的标准试验方法
【标准号】:ASTMD3833/D3833M-1996(2006)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:D10.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:pressure-sensitivetape;watervaportransmission
【摘要】:Theresultsofthistestmethodwillindicatetherelativepermeabilitybywatervaporofthetapethroughitssmallestdimension(generallynormaltothetapersquo;backing).5.1.1Thepathwayforthewatervaporparalleltotheadhesive-cupinterfaceisgreatcomparedtothetapersquo;thicknessandthelatterisusuallythenearlyexclusivesourceoftransmittedvapor.5.1.2Sometapetypesallowarelativelyfreepathinadirectionnormaltothebackingoralongbackingpathwaysparalleltotheadhesive-cupinterfaceallowingtheadhesivetobecometheprincipalbarrier.Iftheadhesivedoesnotcontinuetoadheretothecupflangeduringtheexposureperiodsallowingunintendedpathwaysforwatervaportooccur,themeasurementshouldbeconsideredasnothavingbeenmade.Consequently,thetapemightbeconsideredasbeinginappropriateforuseonsurfaceslikethecupflangeundermoistureconditionsapproximatingthoseofthetest.Note18212;Itmaybethattheinterestissimplyinthetapematerialasawatervaporbarrier.Inthiscase,howwellthetapeadherestothecupflangemaybeoflittleconsequence,andstepstopreventanyedgeeffectsareinorder.ThesearereferredtoinSection10.1.1Thistestmethodcoversoneprocedureformeasuringthewatervaportransmissionrateofpressure-sensitivetape.1.2ThevaluesstatedineitherSIorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemmustbeusedindependently,withoutcombiningvaluesinanyway.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G39
【国际标准分类号】:55_040
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Methodsforthecalibrationofvibrationandshocktransducers-Basicconcepts
【原文标准名称】:振动和冲击传感器的校准方法.第1部分:基本概念
【标准号】:BSISO16063-1-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-01-15
【实施或试行日期】:1999-01-15
【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】:扭矩;线性度;横向;干涉测量法;压电器件;应变测量;频率响应;比率;加速度测量;离心法;准确度;机械冲击;干涉仪;磁场效应;比较试验;基座;灵敏度;频率;校正;转动;振动测量;测量特征;数学计算;热电;相位移;离心机;速度测量;传感器;温度;振动
【英文主题词】:Calibration;Definition;Definitions;Lay;Measuringinstruments;Mechanic;Methods;Transducers;Vibration;Vibrationdampers;Vibrometers
【摘要】:ThispartofISO16063describesmethodsforthecalibrationofvibrationandshocktransducers.Italsoincludesmethodsforthemeasurementofcharacteristicsinadditiontothesensitivity.Oneprimarycalibrationmethodhasbeenselectedasthepreferredmethod(see5.2.1).Comparisoncalibrationmethodsforvibrationandshockarealsodescribed(see5.3).Moredetaileddescriptionsaregiveninparts1to23ofISO5347(seereferences[1]to[22]).ThispartofISO16063isapplicabletocontinuous-readingrectilinearacceleration,velocityanddisplacementtransducersandrecommendsapreferredmethodwhichhasprovedtogivereliableandreproducibleresults.Itisnotapplicabletomethodsforthecalibrationofrotationaltransducers.
【中国标准分类号】:N13
【国际标准分类号】:01_040_17;17_160
【页数】:32P.;A4
【正文语种】:英语