ASTM D1157-1991(2009) 轻质烃总抑制剂含量(TBC)的标准试验方法

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【英文标准名称】:StandardTestMethodforTotalInhibitorContent(TBC)ofLightHydrocarbons
【原文标准名称】:轻质烃总抑制剂含量(TBC)的标准试验方法
【标准号】:ASTMD1157-1991(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1991
【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】:D02.D0.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:lighthydrocarbons;oxidationinhibitor;p-tertiarybutylcatechol;photometer;Butadiene(petroleumapplications);Inhibitors;Lighthydrocarbons;Totalinhibitorcontent(TBC)
【摘要】:p-tertiary-butylcatecholiscommonlyaddedtocommercialbutadieneinamountsof50to250mg/kgasanoxidationinhibitor.ThistestmethodissuitableforusebybothproducersandusersofbutadienewithinthelimitationsdescribedinSection1.1.1Thistestmethodcoversthedeterminationoftotalp-tertiary-butylcatecholinhibitoraddedtopolymerizationandrecyclegradesofbutadieneortootherC4hydrocarbonmixturescontainingnophenolicmaterialotherthancatecholornooxidizedphenolicmaterialotherthanthatderivedfromoxidationofcatechol.Ingeneral,allphenolsandtheirquinoneoxidationproductsareincludedinthecalculatedcatecholcontent.Smallamountsofpolymerdonotinterfere.ThistestmethodisapplicableovertherangeofTBCfrom50to500mg/kg.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G17
【国际标准分类号】:71_080_01
【页数】:3P.;A4
【正文语种】:英语


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基本信息
标准名称:机床夹具零件及部件 塑料夹具用内六角螺钉
中标分类: 机械 >> 工艺装备 >> 一般卡具
替代情况:调整为JB/T 8043.2-1995
发布日期:1900-01-01
实施日期:1992-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:2页
适用范围

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所属分类: 机械 工艺装备 一般卡具
【英文标准名称】:Liftingbagsystemsforfireandrescueserviceuse-Safetyandpeformancerequirements
【原文标准名称】:消防和营救用提升气垫系统.安全和性能要求
【标准号】:BSEN13731-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-03-31
【实施或试行日期】:2008-03-31
【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】:压缩空气;压缩空气设备;缓冲器(气垫船);定义;效率;设备;设备安全;装填填料装置;消防队;消防设备;消防;消防水力;危害;液压设备;检验;使用说明书;千斤顶;提升气垫系统;提升装置;作标记;操作说明书;提升气垫;气力提升装置;维修;救护服务;营救设备;救生设备;安全;安全工程;安全要求;废弃物利用;规范(验收);测试
【英文主题词】:Compressedair;Compressedairequipment;Cushions(hovercraft);Definition;Definitions;Efficiency;Equipment;Equipmentsafety;Fillingdevices;Firebrigade;Firebrigadeequipment;Firefighting;Flighthydraulics;Hazards;Hydraulicequipment;Inspection;Instructionsforuse;Jacks;Liftingbagsystems;Liftingdevices;Marking;Operatinginstructions;Pneumaticliftingcushions;Pneumaticliftingdevices;Repair;Rescueandambulanceservices;Rescueequipment;Safety;Safetyengineering;Safetyrequirements;Salvage;Salvageequipment;Specification(approval);Testing
【摘要】:ThisEuropeanStandardspecifiesrequirementsforliftingbagsystems,whereintendedoperationisinflationbycompressedairandusedprimarilybyfireandrescueservices.ThisEuropeanStandardappliestoliftingbagsystemsincludingsomeorallofthefollowingcomponents:?hoseassembliesandcouplings;?regulators;?controldevices;?pressureindicators;?safetyvalves;?liftingbags.ThisEuropeanStandardappliestoliftingbagsystemsintendedforoperationunderambienttemperaturesbetween-20°Cand55°C.ThisEuropeanStandarddealswithallsignificanthazards,hazardoussituationsandeventsduringthecommissioning,operationandmaintenancearisingfromaliftingbagsystemwhenitisusedasintendedandundertheconditionsofmisusewhicharereasonablyforeseeablebythemanufacturer(seeClause4).ThisEuropeanStandardspecifiesminimumperformancerequirementsandtestmethodsforliftingbagsystems.ThisEuropeanStandarddoesnotestablishtheadditionalrequirementsfor:a)operationinsevereconditions(e.g.extremeenvironmentalconditionssuchas:temperaturesoutsidetherangefrom-20°Cto+55°C,corrosiveenvironment,tropicalenvironment,contaminatingenvironments,strongmagneticfields,potentiallyexplosiveatmospheres);NOTE1Ifuseoftheliftingbagsystemisforeseeninsevereconditions,thisshouldbeagreedbetweenthepurchaserandthemanufactureratthetimeofordering.Inthiscaseanadditionalriskanalysisshouldbecarriedout.Additionalmeasuresandadditionalinformationforusemaybenecessary.b)riskdirectlyarisingfromanymeansforhandlingortransportationoftheliftingbagsystembyequipmentotherthanthatdesignedaspartoftheliftingbag;c)liftingbagsystemsmanufacturedforspecializeduse,e.g.theliftingofpersonsorheavyrecoverywhereexceptionalstrokemovementisrequired;d)anyhazardarisingfromthesourceofcompressedair,exceptwherethisisamanuallyoperatedairpump.NOTE2Wherethesourceisfromanaircompressororfromapressurisedcylinderorothersimilarsource,itisassumedthatthesourceconformstoanappropriateEuropeanStandardorlegislation.ThisEuropeanStandardisnotdealingwithnoise,asitisnotconsideredtobeasignificanthazard.ThisEuropeanStandardisnotapplicabletoliftingbagsystemswhicharemanufacturedbeforethedateofitspublicationbyCEN.
【中国标准分类号】:C85
【国际标准分类号】:11_160;13_220_10
【页数】:32P.;A4
【正文语种】:英语