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ASTM F88/F88M-2009 挠性隔栅材料的密封强度的标准试验方法

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【英文标准名称】:StandardTestMethodforSealStrengthofFlexibleBarrierMaterials
【原文标准名称】:挠性隔栅材料的密封强度的标准试验方法
【标准号】:ASTMF88/F88M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F02.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Flexiblebarriermaterials;Sealability;Sealstrength
【摘要】:Sealstrengthisaquantitativemeasureforuseinprocessvalidation,processcontrol,andcapability.Sealstrengthisnotonlyrelevanttoopeningforceandpackageintegrity,buttomeasuringthepackagingprocesses''abilitytoproduceconsistentseals.Sealstrengthatsomeminimumlevelisanecessarypackagerequirement,andattimesitisdesirabletolimitthestrengthofthesealtofacilitateopening.Themaximumsealforceisimportantinformation,butforsomeapplications,averageforcetoopenthesealmaybeuseful,andinthosecasesalsoshouldbereported.Aportionoftheforcemeasuredwhentestingmaterialsmaybeabendingcomponentandnotsealstrengthalone.Anumberoffixturesandtechniqueshavebeendevisedtoholdsamplesatvariousanglestothepulldirectiontocontrolthisbendingforce.Becausetheeffectofeachoftheseontestresultsisvaried,consistentuseofonetechnique(TechniqueA,TechniqueB,orTechniqueC)throughoutatestseriesisrecommended.ExamplesoffixturesandtechniquesareillustratedinFig.1.TechniqueA:Unsupported8212;Eachtailofthespecimenissecuredinopposinggripsandthesealremainsunsupportedwhilethetestisbeingconducted.TechniqueB:Supported90x00B0;(ByHand)8212;Eachtailofthespecimenissecuredinopposinggripsandthesealremainshand-supportedata90x00B0;perpendicularangletothetailswhilethetestisbeingconducted.TechniqueC:Supported180x00B0;8212;Theleastflexibletailissupportedflatagainstarigidalignmentplateheldinonegrip.Themoreflexibletailisfolded180x00B0;overthesealandisheldintheopposinggripwhilethetestisbeingconducted.FIG.1TailHoldingMethods1.1Thistestmethodcoversthemeasurementofthestrengthofsealsinflexiblebarriermaterials.1.2Thetestmaybeconductedonsealsbetweenaflexiblematerialandarigidmaterial.1.3Sealstestedinaccordancewiththistestmethodmaybefromanysource,laboratoryorcommercial.1.4Thistestmethodmeasurestheforcerequiredtoseparateateststripofmaterialcontainingtheseal.Italsoidentifiesthemodeofspecimenfailure.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A82
【国际标准分类号】:55_080;55_040
【页数】:11P.;A4
【正文语种】:英语


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【英文标准名称】:Waterquality-Sampling-Part23:Guidanceonpassivesamplinginsurfacewaters
【原文标准名称】:水质.采样.第23部分:地表水被动取样导则
【标准号】:ISO5667-23-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-03-01
【实施或试行日期】:2011-03-01
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC147
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;化学分析和试验;定义(术语);数学计算;被动的;无源集电极;污染物浓度;污染物;质量保证;质量控制;抽样方法;污水;污水净化处理厂;污水处理;地表水;水污染;水常规(实验);水质;水质测试;水处理;水处理设备;给水厂
【英文主题词】:Analysis;Chemicalanalysisandtesting;Definitions;Mathematicalcalculations;Passive;Passivecollectors;Pollutantconcentration;Pollutants;Qualityassurance;Qualitycontrol;Samplingmethods;Sewage;Sewagepurificationplant;Sewagetreatment;Surfacewater;Waterpollution;Waterpractice;Waterquality;Watertesting;Watertreatment;Watertreatmentplants;Waterworks
【摘要】:ThispartofISO5667specifiesproceduresforthedeterminationoftime-weightedaverageconcentrationsandequilibriumconcentrationsofthefreedissolvedfractionoforganicandorganometalliccompoundsandinorganicsubstances,includingmetals,insurfacewaterbypassivesampling,followedbyanalysis.
【中国标准分类号】:C51
【国际标准分类号】:13_060_45
【页数】:32P.;A4
【正文语种】:英语


Product Code:SAE AS3170
Title:Bolt, Machine - Double Hex Extended Washer Head, Close Tolerance Shank, AMS 5643, .375-24 UNJF-3A
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.