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ASTM D4781-2003(2008) 催化剂细粒和催化剂载体粒子机械振动堆积密度的标准试验方法

作者:标准资料网 时间:2024-05-26 09:16:40  浏览:9342   来源:标准资料网
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【英文标准名称】:StandardTestMethodforMechanicallyTappedPackingDensityofFineCatalystParticlesandCatalystCarrierParticles
【原文标准名称】:催化剂细粒和催化剂载体粒子机械振动堆积密度的标准试验方法
【标准号】:ASTMD4781-2003(2008)
【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(US-ASTM)
【起草单位】:D32.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:catalyst;catalystcarrier;packingdensity;Carriers;Catalysts/catalystcarriers;Density--petroleumproducts;Finecatalystparticles;Heatingtests--petroleumproducts;Mechanically-tappedpackingdensity;Packingdensity(ofcatalysts)
【摘要】:Thistestmethodisformeasuringthemechanicallytappedpackingdensityofpowdersthataresmallerthan0.8mmindiameter,suchasFluidizedCatalyticCrackingCatalysts(FCC).1.1Thistestmethodcoversthedeterminationofthemechanicallytappedpackingdensityoffinecatalystandcatalystcarrierparticlessmallerthan0.8mmindiameter.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifanyassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G74
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】:英语


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Product Code:SAE AMS3904/6
Title:Yarn, Organic Fiber (Para-Aramid), Intermediate Modulus, 1500 Denier, (1670 Dtex), 7.0% Finish
Issuing Committee:Ams P17 Composite Materials Committee
Scope:This specification covers one type of organic fiber in the form of yarn. The product shall be formed as a multiplicity of filaments drawn together and gathered into an approximately parallel arrangement.【英文标准名称】:StandardTestMethodforTotalMercuryinCoalandCoalCombustionResiduesbyDirectCombustionAnalysis
【原文标准名称】:直接燃烧分析法测量煤和煤燃烧残余物中总汞量的标准试验方法
【标准号】:ASTMD6722-2001(2006)
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D05.29
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Theemissionofmercuryduringcoalcombustioncanbeanenvironmentalconcern.Whenrepresentativetestportionsareanalyzedaccordingtothisprocedure,thetotalmercuryisrepresentativeofconcentrationsinthesample.1.1Thesetestmethodscoverprocedurestodeterminethetotalmercurycontentinasampleofcoalorcoalcombustionresidue.1.2ThevaluesstatedinSIunitsareregardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:D21
【国际标准分类号】:71_060_10
【页数】:4P.;A4
【正文语种】:



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