【英文标准名称】:StandardTestMethodforQuinoline-Insoluble(QI)ContentofTarandPitch
【原文标准名称】:焦油和硬沥青中喹啉不溶物(QI)含量的标准试验方法
【标准号】:ASTMD2318-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D02.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:coal-tarinsolubles;pitch;QI;quinolineinsolubles;tar;Insolublemattercontent;Pitch;Quinolineinsolubles(QI);Quinolinephosphomolybdatemethod;Tars
【摘要】:Thistestmethodisusefulinevaluatingandcharacterizingtarandpitch,andasoneelementinestablishingtheuniformityofshipmentsandsourcesofsupply.1.1Thistestmethodcoversthedeterminationofthequinoline-insolublematter(QI)intarandpitch.1.2Sincethistestmethodisempirical,strictadherencetoalldetailsoftheprocedureisnecessary.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forhazardsinformation,seeSection7.
【中国标准分类号】:E43;G18
【国际标准分类号】:75_140
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforSelectionofMethodsforEstimatingSoilLossbyErosion
【原文标准名称】:由于腐蚀引起的土壤损耗的评价方法的选择的标准指南
【标准号】:ASTMD6629-2001(2007)
【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】:D18.22
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:agriculture;environment;erosion;sedimentyield;soil
【摘要】:Avarietyofmethodsexistforthismeasurement.Eachmethodhasitsspecificapplicability,limitations,andlevelsofcomplexity.Theusersofthisguideshouldusethedescriptionsofthevariousmethodstochoosetheprocedure,whichmostcloselymeetstheirneeds.Mostofthesemethodsarenotintendedtopredictsedimentyield(6).Thesemethodsareusedtoestimatethesoilloss(inmassofsoil/unitarea/unittime)fromrainfallandsnowmeltforsite-specificfactorsduetorillandinterrillerosion.Thesemethodscannotbeusedtoestimatesoillossfromephemeralgullyorchannelerosion.Theestimatesresultingfromthemethodsinthisguidedonotconstituteadesignforcontroloferosion.However,theoutputsofthesemethodsmaybeimportantinputintosuchadesign.1.1Thisguidedescribesmethodsusedforestimatingsoillossesduetorillandinterrillerosion.Allknownmethodsforwatererosionwithasedimentyieldcomponentarelisted.Thisguideprovidescompletereferencecitationsforthevariousmethodscurrentlyusedtoestimatesoillossbyrillandinterrillerosion.Thereferencedmethodscontaintherationaleanddetailedproceduresfordeterminingrillandinterrillsoilloss.Foreachmethodlisted,specificapplicability,limitations,andlevelofcomplexityarebrieflyoutlinedintermsoftherelativespatialscale,landuse,hydrology,erosion,timescale,inputrequirements,andoutput.1.2Thereferencedmethodsweredevelopedforspecificusesandmaynotbeapplicableinallcases.Forexample,someofthevaluesderivedbythesemethodsestimatetheamountofsoilmovementonafieldwithoutre-depositionwhileothersaccountforre-depositionandestimateoff-fieldsedimentyield.Mostofthesemethodsarenotintendedtopredictsedimentyield.1.3Metric(SI)UnitsSomeofthemethodsinthisguidearewritteninthepreferredEnglishunits.Adiscussionoftheconversionofthefinalanswertometricunitsisincludedinparagraph.1.4Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisguidecannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthisguidemaybeapplicableinallcircumstances.Thisguideisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisguidebeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisguidehasbeenapprovedthroughtheASTMconsensusprocess.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatoryrequirementspriortouse.
【中国标准分类号】:P04
【国际标准分类号】:13_080_01
【页数】:5P.;A4
【正文语种】:
基本信息
| 标准名称： | 光学晶体折射率测量方法 |
| 中标分类： |
仪器、仪表 >>
仪器、仪表综合 >>
仪器、仪表用材料和元件 |
| 替代情况： | 转化为JB/T 9495.2-1999 |
| 发布日期： | |
| 实施日期： | 1991-07-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
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所属分类： 仪器 仪表 仪器 仪表综合 仪器 仪表用材料和元件