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【英文标准名称】:Playgroundequipment-Part5:Additionalspecificsafetyrequirementsandtestmethodsforcarousels;GermanversionEN1176-5:1998
【原文标准名称】:游戏场地设备.第5部分:旋转木马的附加特殊安全技术要求和检验方法
【标准号】:DINEN1176-5-1998
【标准状态】:作废
【国别】:德国
【发布日期】:1998-12
【实施或试行日期】:1998-12-01
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:维修;安全工程;安装;材料;安全要求;危害;金属;检验;塑料;作标记;设计;尺寸;定义;布置;数学计算;试验;规范(验收);表面;木材;设备安全;荷载能力;使用说明;稳定性;负荷;游乐设备;游乐场器材;游乐场;体育与娱乐设备;当心
【英文主题词】:
【摘要】:
【中国标准分类号】:Y55
【国际标准分类号】:97_200_40
【页数】:18P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforDeterminationoftheMaximumFlocculationRatioandPeptizingPowerinResidualandHeavyFuelOils(OpticalDetectionMethod)
【原文标准名称】:测定残余燃料油和重燃料油中最大絮凝率和胶溶能力的标准试验方法(光学检测法)
【标准号】:ASTMD7060-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D02.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compatibility;heavyfueloil;maximumflocculationratio;P-ratio;peptizingpower;residualfueloil;Heavyfueloils;Maximumflocculationratio;Opticaldetectionmethod;Peptizingpower;Residualfueloils
【摘要】:Asphaltenesarenaturallyoccurringmaterialsincrudepetroleumandpetroleumproductscontainingresidualmaterial.Theasphaltenesareusuallypresentincolloidalsuspensions,buttheymayagglomerateandflocculateifthesuspensionofasphaltenemoleculesisdisturbedthroughexcessstressorincompatibility.Thistestmethodprovidescompatibilityparameters,whichcanbeusedtoassessstabilityreserveandcompatibility.Ablendisconsideredstablewhentheblendx2019;speptizingpowerishigherthantheblendx2019;smaximumflocculationratio;,bothofthemcanbecalculatedusingempiricalblendrules.Refineriesandterminalownerscanpreventtheflocculationofasphaltenesduetoincompatibilitybyassessingthecompatibilityoffuelsbeforehand.Note48212;SeeAppendixX1foranexampleofpredictionofcompatibility.1.1Thistestmethodcoversaprocedureforquantifyingthemaximumflocculationratiooftheasphaltenesintheoilandthepeptizingpoweroftheoilmedium,byanautomaticinstrumentusinganopticaldevice.1.2Thistestmethodisapplicabletoatmosphericorvacuumdistillationresidues,thermallycrackedresidue,intermediateandfinishedresidualfueloils,containingatleast1mass%asphaltenes.Thistestmethodhasnotbeendevelopedforasphalts.Note18212;Anopticalprobedetectstheformationofflocculatedasphaltenes.Thestartofflocculationisinterpretedwhenasignificantandsustainedincreaseinrate-of-changeofsignal,asmeasuredbytheopticalprobe,ensuresflocculationisinprogress.Thestartofflocculationcanbedetectedunambiguouslywhenthesamplecontainsatleast1%massasphaltenesasmeasuredbyTestMethodD6560.Note28212;ThistestmethodisapplicabletoproductstypicalofSpecificationD396x2014;Grades5L,5H,and6,andSpecificationD2880x2014;Grades3-GTand4-GT.1.3Thistestmethodwasevaluatedinaninterlaboratorystudyinthenominalrangeof32to76forthemaximumflocculationratioandinthenominalrangeof36to95forpeptizingpower.Note38212;Thenominalrangeisdeterminedby(min.samplemeanx2014;Reproducibility)to(max.samplemean+Reproducibility).1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20
【页数】:12P.;A4
【正文语种】:英语