ASTM D 6049-2003 橡胶特性的标准试验方法.用平行板之间压力测定橡胶化合物和非硫化生橡胶黏性和弹性
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【英文标准名称】:StandardTestMethodforRubberProperty-MeasurementoftheViscousandElasticBehaviorofUnvulcanizedRawRubbersandRubberCompoundsbyCompressionBetweenParallelPlates
【原文标准名称】:橡胶特性的标准试验方法.用平行板之间压力测定橡胶化合物和非硫化生橡胶黏性和弹性
【标准号】:ASTMD6049-2003
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:测量;厚板材;财产;橡胶;橡胶化合物;试验方法
【英文主题词】:Measurement;Plates;Property;Rubber;Rubbercompounds;Testmethods
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:83_040_10
【页数】:9P;A4
【正文语种】:英语
【英文标准名称】:Naturalgas-Determinationofmercury-Samplingofmercurybyamalgamationongold/platinumalloy
【原文标准名称】:天然气.汞的测定.用金/铂合金混汞法对汞的采样
【标准号】:BSISO6978-2-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-12-17
【实施或试行日期】:2003-12-17
【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】:天然气;含量测定;抽样方法;气体分析;化学分析和试验;碘;汞;化学吸附
【英文主题词】:Amalgamation;Chemicalanalysisandtesting;Chemisorption;Determinationofcontent;Gasanalysis;Gastechnology;Goldalloys;Iodine;Materialstesting;Mercury;Naturalgas;Platinumalloys;Samplingmethods;Testing
【摘要】:ThispartofISO6978specifiesamethodforthedeterminationoftotalmercurycontentofpipelinequalitynaturalgasusingasamplingmethodbyamalgamationongold/platinum(Au/Pt)alloythread.Thismethodisapplicabletothesamplingofrawnaturalgaswhennocondensationispresent.Atatmosphericpressure,thismethodissuitableforthedeterminationofmercurycontentwithintherangeof0,01μg/mto100μg/minnaturalgassamples.Athigherpressures(upto8MPa),thissamplingmethodissuitableforthedeterminationofmercurycontentswithintherangeof0,001μg/mto1μg/m.Thecollectedmercuryisdeterminedbymeasuringtheabsorbanceorfluorescenceofmercuryvapourat253,7nm.NOTEISO6978-1givesasamplingmethodsuitableforthedeterminationofmercurycontentsinnaturalgasbychemisorptiononiodine-impregnatedsilicagelfortheworkingrangeof0,1μg/mto5000μg/mforsamplingatpressuresupto40MPa.
【中国标准分类号】:E24
【国际标准分类号】:75_060
【页数】:26P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforCreepRelaxationofaGasketMaterial
【原文标准名称】:垫片材料蠕变松驰作用的标准试验方法
【标准号】:ASTMF38-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:F03.20
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:creeprelaxation;deflection;gasketmaterial;platens;relaxometer;strain;stress;temperature;torquebolt;torqueloss
【摘要】:Thesetestmethodsaredesignedtocomparerelatedmaterialsundercontrolledconditionsandtheirabilitytomaintainagivencompressivestressasafunctionoftime.Aportionofthetorquelossontheboltedflangeisaresultofcreeprelaxation.Torquelosscanalsobecausedbyelongationofthebolts,distortionoftheflanges,andvibration;therefore,theresultsobtainedshouldbecorrelatedwithfieldresults.Thesetestmethodsmaybeusedasaroutinetestwhenagreeduponbetweentheconsumerandtheproducer.Note18212;TestMethodBwasdevelopedusingasbestosgasketmaterialsandatissuancesubstantiatingdatawerenotavailableforothergasketmaterials.FIG.1Relaxometer,TestMethodA1.1Thesetestmethodsprovideameansofmeasuringtheamountofcreeprelaxationofagasketmaterialatapredeterminedtimeafteracompressivestresshasbeenapplied.1.1.1TestMethodACreeprelaxationmeasuredbymeansofacalibratedstraingaugeonabolt.1.1.2TestMethodBCreeprelaxationmeasuredbymeansofacalibratedboltwithdialindicator.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J22
【国际标准分类号】:21_140
【页数】:9P.;A4
【正文语种】:
