ANSI/NFPA 497-2004 化学处理场所中电气装置用I级危险场所的分类推荐实施规范
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来源:标准资料网
【英文标准名称】:RecommendedPracticeforClassificationofClassIHazardous(Classified)LocationsforElectricalInstallationsinChemicalProcessAreas
【原文标准名称】:化学处理场所中电气装置用I级危险场所的分类推荐实施规范
【标准号】:ANSI/NFPA497-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:安全要求;安全工程;电驱动装置;化学设备
【英文主题词】:Chemicalequipment;Electrically-operateddevices;Safetyengineering;Safetyrequirements
【摘要】:
【中国标准分类号】:K35
【国际标准分类号】:13_300;29_260_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardGuideforMethodsforMeasuringWellDischarge
【原文标准名称】:井水排放测量方法的标准导则
【标准号】:ASTMD5737-1995(2006)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:方法;流量测量;排放物
【英文主题词】:aquifer;aquifertestmethods;dischargerate;flume;groundwater;weir
【摘要】:Thisguideislimitedtothedescriptionoftestmethodstypicalformeasurementofground-waterdischargefromacontrolwell.4.1.1Controlledfieldtestsaretheprimarymeansofdeterminingaquiferproperties.Mostmathematicalequationsdevelopedforanalyzingfieldtestsrequiremeasurementofcontrolwelldischarge.4.1.2Dischargemaybeneededforevaluationofwelldesignandefficiency.4.1.3Foraquifertests,aconceptualmodelshouldbepreparedtoevaluatethepropertestmethodandphysicaltestrequirements,suchaswellplacementanddesign(seeGuideD4043).Reviewthesitedataforconsistencywiththeconceptualmodel.Revisetheconceptualmodelasappropriateandconsidertheimplicationsontheplannedactivities.4.1.4Foraquifertests,thedischargerateshouldbesufficienttocausesignificantstressoftheaquiferwithoutviolatingtestassumptions.Conditionsthatmayviolatetestassumptionsincludeconversionoftheaquiferfromconfinedtounconfinedconditions,loweringthewaterlevelinthecontrolwelltobelowthetopofthewellscreen,causingawellscreenentrancevelocitythatpromoteswelldevelopmentduringthetest,ordecreasingthefilterpackpermeabilitycharacteristics.4.1.5Sometestmethodsdescribedherearenotapplicabletoinjectionwelltests.Thisguidedoesnotapplytotestmethodsusedinmeasurementofflowofotherfluidsusedinindustrialoperations,suchaswastewater,sludge,oil,andchemicals.1.1Thisguidecoversanoverviewofmethodstomeasurewelldischarge.Thisguideisanintegralpartofaseriesofstandardspreparedonthein-situdeterminationofhydraulicpropertiesofaquifersystemsbysingle-ormultiple-welltests.Measurementofwelldischargeisacommonrequirementtothedeterminationofaquiferandwellhydraulicproperties.1.2Thisguidedoesnotestablishafixedprocedureforanymethoddescribed.Rather,itdescribesdifferentmethodsformeasuringdischargefromapumpingorflowingwell.Apumpingwellisonetypeofcontrolwell.Acontrolwellcanalsobeaninjectionwellorawellinwhichslugtestsareconducted.1.3Thisguidedoesnotaddressboreholeflowmetersthataredesignedformeasuringverticalorhorizontalflowwithinaborehole.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Furthermore,itistheuser''sresponsibilitytoproperlydisposeofwaterdischarged.1.6Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:A52
【国际标准分类号】:17_120_20
【页数】:4P.;A4
【正文语种】:
【英文标准名称】:Lemonjuice.Specifications.
【原文标准名称】:柠檬汁.规范
【标准号】:NFV76-007-1986
【标准状态】:现行
【国别】:法国
【发布日期】:1986-07-01
【实施或试行日期】:1986-07-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范;试验;水果和蔬菜汁;汁(食品);柠檬;材料的物理性质;化学性质;物理性能;器官感觉特性;饮料
【英文主题词】:
【摘要】:
【中国标准分类号】:X51
【国际标准分类号】:67_160_20
【页数】:7P;A4
【正文语种】:其他
