ASTM D 4994-1989 废水污垢中毒素的分离
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来源:标准资料网
【英文标准名称】:StandardPracticeforRecoveryofVirusesfromWastewaterSludges
【原文标准名称】:废水污垢中毒素的分离
【标准号】:ASTMD4994-1989
【标准状态】:现行
【国别】:美国
【发布日期】:1989
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:复原;病毒;污泥;污水
【英文主题词】:viruses;sludge;sewage;recovering
【摘要】:
【中国标准分类号】:Z23
【国际标准分类号】:13_060_30
【页数】:5P;A4
【正文语种】:英语
【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】:ASTMD7060-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:功率;重油;测定;残留物;絮凝;比率;燃料油;检测;光学的
【英文主题词】:compatibility;heavyfueloil;maximumflocculationratio;peptizingpower;P-ratio;residualfueloil
【摘要】:Asphaltenesarenaturallyoccurringmaterialsincrudepetroleumandpetroleumproductscontainingresidualmaterial.Theasphaltenesareusuallypresentincolloidalsuspensions,buttheymayagglomerateandflocculateifthesuspensionofasphaltenemoleculesisdisturbedthroughexcessstressorincompatibility.Thistestmethodprovidescompatibilityparameters,whichcanbeusedtoassessstabilityreserveandcompatibility.Ablendisconsideredstablewhentheblendx2019;speptizingpowerishigherthantheblendx2019;smaximumflocculationratio;3,4bothofthemcanbecalculatedusingempiricalblendrules.Refineriesandterminalownerscanpreventtheflocculationofasphaltenesduetoincompatibilitybyassessingthecompatibilityoffuelsbeforehand.Note38212;SeeAppendixX1foranexampleofpredictionofcompatibility.1.1Thistestmethodcoversaprocedureforquantifyingthemaximumflocculationratiooftheasphaltenesintheoilandthepeptizingpoweroftheoilmedium,byanautomaticinstrumentusinganopticaldevice.1.2Thistestmethodisapplicabletoatmosphericorvacuumdistillationresidues,thermallycrackedresidue,intermediateandfinishedresidualfueloils,containingatleast1mass%asphaltenes.Thistestmethodhasnotbeendevelopedforasphalts.Note18212;Anopticalprobedetectstheformationofflocculatedasphaltenes.Thestartofflocculationisinterpretedwhenasignificantandsustainedincreaseinrate-of-changeofsignal,asmeasuredbytheopticalprobe,ensuresflocculationisinprogress.Thestartofflocculationcanbedetectedunambiguouslywhenthesamplecontainsatleast1%massasphaltenesasmeasuredbyTestMethodD6560.Note28212;ThistestmethodisapplicabletoproductstypicalofSpecificationD396-Grades5L,5H,and6,andSpecificationD2880-Grades3-GTand4-GT.1.3Thistestmethodwasevaluatedinawithin-laboratorystudyintherangeof16to57forthemaximumflocculationratioandintherangesof27to96forpeptizingpower.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:75_160_20(LIQUIDFUELS)
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:Divisionofhospitalsintofunctionalareasandfunctionalsections-Instructionsforapplicationforcollegeanduniversityclinics
【原文标准名称】:医院按职能范围和职能部门的划分.高校和大学诊所的使用说明
【标准号】:DIN13080Bb.2-1999
【标准状态】:作废
【国别】:德国
【发布日期】:1999-10
【实施或试行日期】:
【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】:主题标引;项目规划;医院;合作;分类;色码;通道和空间体系(建筑物);标志;分类系统;结构;计划;使用
【英文主题词】:notices;classificationsystems;planning;coordination;subjectindexing;applications;structuring;classification;circulationandspacesystems(buildings);projectplanning;hospitals;colourcodes
【摘要】:
【中国标准分类号】:C04
【国际标准分类号】:91_040_10
【页数】:17P;A4
【正文语种】:德语
