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ASTM D5154-2010 微活性试验法测定流化催化裂化(FCC)催化剂的活性和选择性的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingActivityandSelectivityofFluidCatalyticCracking(FCC)CatalystsbyMicroactivityTest
【原文标准名称】:微活性试验法测定流化催化裂化(FCC)催化剂的活性和选择性的标准试验方法
【标准号】:ASTMD5154-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D32.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:catalysts;FCC;fluidcrackingcatalyst;MAT;microactivity;selectivity;Catalysts/catalystcarriers;Equilibriumcatalysts;FCC(fluidcatalyticcracking)catalysts;Microactivitytest;Selectivity
【摘要】:ThemicroactivitytestprovidesdatatoassesstherelativeperformanceofFCCcatalysts.Becauseresultsareaffectedbycatalystpretreatment,feedstockcharacteristics,testequipment,andoperatingparameters,adherencetothistestmethodisaprerequisiteforcorrectinterpretationofresults.Apparatus,testconditions,andanalyticalproceduresactuallyusedshouldcloselyresemblethosedescribedinthistestmethod.Significantvariationsinapparatus,testconditionsand/oranalyticalproceduresmayresultinactivityandselectivitydatawhichdonotcorrelatewithdatadevelopedbyotherlaboratoriesonidenticalcatalyst/feedstocksamples.Thestandardmethodreactiontemperatureis960x00B0;F(516x00B0;C).Otherreactiontemperaturescanbeused;however,catalystselectivitydatadevelopedattemperaturesotherthan960x00B0;F(516x00B0;C)maynotcorrelatewithselectivitydatadevelopedat960x00B0;F(516x00B0;C).Also,precisionatotherreactiontemperaturesmaychangecomparedtodataobtainedat960x00B0;F(516x00B0;C).1.1Thistestmethodcoversdeterminingtheactivityandselectivityofeitherequilibriumorlaboratorydeactivatedfluidcatalyticcracking(FCC)catalysts.Theactivityisevaluatedonthebasisofmasspercentconversionofgasoilinamicroactivityunit.Theselectivitiesareevaluatedonthebasisofmasspercentyieldsofspecificallydefinedproductsresultingfromthecatalyticcrackingofgasoil.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.2.1Exception8212;SIunitshavebeenretainedinsomeofthefigures.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G74
【国际标准分类号】:
【页数】:8P.;A4
【正文语种】:英语


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【英文标准名称】:Methodsforanalysisofdriedmilkanddriedmilkproducts-Determinationofnitrateandnitritecontents-Methodfordriedmilkbycadmiumreduction
【原文标准名称】:奶粉和奶粉制品分析方法.第16部分:硝酸盐和亚硝酸盐测定.第1节:镉还原测定法
【标准号】:BS1743-16.1-1983
【标准状态】:作废
【国别】:英国
【发布日期】:1983-05-31
【实施或试行日期】:1983-05-31
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:乳制品;校正;牛奶;试验设备;化学分析和试验;尺寸;含量测定;食品;亚硝酸盐;试样制备;试验条件;干制食品;还原法;精密度;硝酸盐;食品检验;奶粉;再现性;分光光度法
【英文主题词】:driedmilk;nitrates;nitrites;chemicalanalysisandtesting;determinationofcontent;agriculturalproducts;desiccatedmilk;spectrophotometry;milk;dairyproducts
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:8P;A4
【正文语种】:英语


【英文标准名称】:Timberstructures-Testmethods-Determinationoftheyieldmomentofdoweltypefasteners-Nails
【原文标准名称】:木结构.试验方法.榫型紧固件屈服力矩的测定.钉子
【标准号】:BSEN409-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-10-15
【实施或试行日期】:1993-10-15
【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】:暗榫连接;屈服点测定;无螺纹紧固件;弯曲试验;紧固件;建筑用木料;试验设备;试验条件;钉子
【英文主题词】:Bendtesting;Bendingmoment;Bendingstiffness;Bendingstrength;Breakingstrength;Construction;Constructionmaterials;Constructionworks;Constructions;Definitions;Determination;Dowels;Dynamics;Fasteners;Loading;Loadingtests;Materials;Mechanicaltesting;Nails;Pinshape;Screws(bolts);Structuraltimber;Symbols;Testequipment;Testreports;Testresults;Testing;Tests;Timberconstruction;Timberstructures;Wood
【摘要】:Thisstandardspecifiesamethodfordeterminingtheyieldmomentofnailshavingamaximumdiameterof8mm.
【中国标准分类号】:P23
【国际标准分类号】:91_080_20
【页数】:12P;A4
【正文语种】:英语