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ANSI/ASTM D6748a-2002 Phenalenes和Phenalenones产生的中间馏出燃料潜在不稳定性的测定方法.便携式光谱仪快速测量法

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【英文标准名称】:TestMethodforDeterminationofPotentialInstabilityofMiddleDistillateFuelsCausedbythePresenceofPhenalenesandPhenalenones.RapidMethodbyPortableSpectrophotometer
【原文标准名称】:Phenalenes和Phenalenones产生的中间馏出燃料潜在不稳定性的测定方法.便携式光谱仪快速测量法
【标准号】:ANSI/ASTMD6748a-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【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】:材料试验;机动车燃料;耐化学性;试验
【英文主题词】:Automotivefuels;Chemicalresistance;Determination;Distillates;Fuels;Instability;Liquidfuels;Materialstesting;Middle;Portable;Potentials;Rapidmethod;Spectrophotometer;Testing
【摘要】:Thistestmethodcoversaprocedurefortherapiddeterminationofphenalenesandphenalenonesinmiddledistillatefuels,includingmarine,automotive,heating,andgasturbinefuelsuchasthosespecifiedinSpecificationsD396,D975,D2069,andD2880.Phenalenesandphenalenonesaffectthepotentialinstabilityoffuels,leadingtofueldegradationproductsduringstorage,whichmaycauseperformanceproblems.Thistestmethodisapplicabletobothdyedandundyedfuelsatallpointsinthedistributionchainfromrefinerytoend-user.Itisnotapplicabletofuelscontainingresidualoil.Theportableapparatusallowsthewholetesttobeconductedonsiteorinalaboratoryanddoesnotrequirethetestsampletobeheated.Thistestmethodissuitablefortestingsampleswitharelativeabsorbanceofupto5.00absorbanceunits(AU).Note1-Theprecisionofthetestmethodhasbeenestablishedonrelativeabsorbanceupto1.00AU.Forrelativeabsorbanceabove1.00AUtheprecisionmaynotapply.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:
【正文语种】:英语


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【英文标准名称】:Eurocode3.Designofsteelstructures.Tanks
【原文标准名称】:欧洲法规3.钢结构的设计.槽罐
【标准号】:BSEN1993-4-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-05-31
【实施或试行日期】:2007-05-31
【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】:组件;建筑;定义;设计;尺寸选定;欧洲法规;适用性;扁钢;内压力;机械性能;管道;筒仓;不锈钢;钢架结构;储存罐;钢结构作业;结构;槽罐设备
【英文主题词】:Components;Construction;Definitions;Design;Dimensioning;EUROCODE;Fitnessforpurpose;Flatsteels;Internalpressure;Mechanicalproperties;Pipelines;Silos;Stainlesssteels;Steel-framedconstructions;Storagetank;Structuralsteelwork;Structures;Tankinstallations;
【摘要】:(1)Part4.2ofEurocode3providesprinciplesandapplicationrulesforthestructuraldesignofverticalcylindricalabovegroundsteeltanksforthestorageofliquidproductswiththefollowingcharacteristicsa)characteristicinternalpressuresabovetheliquidlevelnotlessthan?100mbarandnotmorethan500mbar1);b)designmetaltemperatureintherangeof?50oCto+300oC.Fortanksconstructedusingausteniticstainlesssteels,thedesignmetaltemperaturemaybeintherangeof?165oCto+300oC.Forfatigueloadedtanks,thetemperatureshouldbelimitedtoT<150oC;c)maximumdesignliquidlevelnothigherthanthetopofthecylindricalshell.(2)ThisPart4.2isconcernedonlywiththerequirementsforresistanceandstabilityofsteeltanks.OtherdesignrequirementsarecoveredbyEN14015forambienttemperaturetanksandbyEN14620forcryogenictanks,andbyEN1090forfabricationanderectionconsiderations.Theseotherrequirementsincludefoundationsandsettlement,fabrication,erectionandtesting,functionalperformance,anddetailslikeman-holes,flanges,andfillingdevices.(3)ProvisionsconcerningthespecialrequirementsofseismicdesignareprovidedinEN1998-4(Eurocode8Part4“Designofstructuresforearthquakeresistance:Silos,tanksandpipelines”),whichcomplementstheprovisionsofEurocode3specificallyforthispurpose.(4)ThedesignofasupportingstructureforatankisdealtwithinEN1993-1-1.(5)ThedesignofanaluminiumroofstructureonasteeltankisdealtwithinEN1999-1-5.(6)FoundationsinreinforcedconcreteforsteeltanksaredealtwithinEN1992andEN1997.(7)NumericalvaluesofthespecificactionsonsteeltankstobetakenintoaccountinthedesignaregiveninEN1991-4"ActionsonSilosandTanks".AdditionalprovisionsfortankactionsaregiveninannexAtothisPart4.2ofEurocode3.(8)ThisPart4.2doesnotcover:?floatingroofsandfloatingcovers;?resistancetofire(refertoEN1993-1-2).(9)Thecircularplanformtankscoveredbythisstandardarerestrictedtoaxisymmetricstructures,thoughtheycanbesubjecttounsymmetricalactions,andcanbeunsymmetricallysupported.
【中国标准分类号】:P26;J74
【国际标准分类号】:23_020_01;23_020_10;91_010_30;91_080_10
【页数】:58P.;A4
【正文语种】:英语


【英文标准名称】:Groovedpinswithroundhead
【原文标准名称】:圆头带槽销
【标准号】:BSEN28746-1989
【标准状态】:作废
【国别】:英国
【发布日期】:1989-02-28
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:紧固件;覆层;剪切强度;定位销;沟;锁定装置及定位装置;快削钢;名称与符号;尺寸;直径;倒棱的;圆头紧固件
【英文主题词】:diameter;fasteners;coatings;lockingandlocatingdevices;round-headfasteners;shearstrength;dimensions;grooves;free-machiningsteels;locatingpins;chamfered;designations
【摘要】:
【中国标准分类号】:J13
【国际标准分类号】:21_060_50
【页数】:14P;A4
【正文语种】:英语