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ASTM D5287-2008 气体燃料的自动抽样的标准实施规程

作者:标准资料网 时间:2024-05-19 20:43:26  浏览:8224   来源:标准资料网
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【英文标准名称】:StandardPracticeforAutomaticSamplingofGaseousFuels
【原文标准名称】:气体燃料的自动抽样的标准实施规程
【标准号】:ASTMD5287-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D03.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:gaseousfuels;Automaticsampling;Gaseousfuels;Samplinggaseousmaterials/applications
【摘要】:Thispracticeshouldbeusedwhenandwherearepresentativesampleisrequired.Arepresentativesampleisnecessaryforaccuratebillingincustodytransfertransactions,accuratecompositionalanalysisoftheflowingstream,gravitydeterminationforflowcalculationsandotherdesiredinformationconcerningthepropertiesofthestreamcontents.Thispracticeisnotintendedtopreemptexistingcontractagreementsorregulatoryrequirements.Principlespertinenttothispracticemaybeappliedinmostcontractualagreements.Warning8212;Manygagesareextremelyflammableandcancontaintoxicsubstances.Cautionshouldbetakeninallaspectsofsamplecollectionandhandling.Samplevesselsshouldonlybehandledinwellventilatedlocationsawayfromsparksandflames.Improperhandlingcanresultinanexplosionorinjury,orboth.1.1Thispracticecoversthecollectionofgaseousfuelsandtheirsyntheticequivalentsusinganautomaticsampler.1.2Thispracticeappliesonlytosingle-phasegasmixtures.Thispracticedoesnotaddressatwo-phasestream.1.3Thispracticeincludestheselection,installation,andmaintenanceofautomaticsamplingsystems.1.4Thispracticedoesnotincludetheactualanalysisoftheacquiredsample.OtherapplicableASTMstandards,suchasTestMethodD1945,shouldbeusedtoacquirethatinformation.1.5Theselectionofthesamplingsystemisdependentonseveralinterrelatedfactors.Thesefactorsincludesourcedynamics,operatingconditions,cleanlinessofthesourcegases,potentialpresenceofmoistureandhydrocarbonliquids,andtracehazardouscomponents.Forclean,drygassources,steadysourcedynamics,andnormaloperatingconditions,thesystemcanbeverysimple.Asthesourcedynamicsbecomemorecomplexandthepotentialforliquidsincreases,ortracehazardouscomponentsbecomepresent,thecomplexityofthesystemselectedanditscontrollinglogicmustbeincreased.Similarly,installation,operation,andmaintenanceproceduresmusttakethesedynamicsintoaccount.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E46
【国际标准分类号】:75_160_30
【页数】:5P.;A4
【正文语种】:英语


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【英文标准名称】:Impedance,ReflectionCoefficient,ReturnLoss,andVSWRTestProcedureMeasuredintheTimeandFrequencyDomainforElectricalConnectors,CableAssembliesorInterconnectionSystems
【原文标准名称】:电连接器、电缆附件或互连系统在时间和频率域中测量的阻抗、反射系数、回程损耗和VSWR试验程序
【标准号】:ANSI/EIA-364-108-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【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】:试验;阻抗;电气工程;电连接器;电气元件
【英文主题词】:Assemblies;Cableassembly;Connectingdevices;Connectorcables;Domain;Electricconnectors;Electrical;Electricalcomponents;Electricalengineering;Electronicproducts;Frequencies;Impedance;Interconnection;Reflectioncoefficient;Returnloss;Testing;Tests;Time
【摘要】:Appliestointerconnectassemblies,suchaselectricalconnectorsandcableassemblies.
【中国标准分类号】:L23
【国际标准分类号】:29_120_20
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTestMethodforHotSealStrength(HotTack)ofThermoplasticPolymersandBlendsComprisingtheSealingSurfacesofFlexibleWebs
【原文标准名称】:构成挠性腹板密封表面的热塑聚合物和混合物的热封强度(热点焊焊缝)的标准试验方法
【标准号】:ASTMF1921-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:绝热性能;热点焊焊缝;密封强度;热封
【英文主题词】:heatseal;heatsealability;hottack;sealstrength
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_120
【页数】:6P;A4
【正文语种】:英语



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