EN 12583-2000 供气系统.压缩机泵站.功能要求
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【英文标准名称】:Gassupplysystems-Compressorstations-Functionalrequirements;GermanversionEN12583:2000
【原文标准名称】:供气系统.压缩机泵站.功能要求
【标准号】:EN12583-2000
【标准状态】:现行
【国别】:
【发布日期】:2000-11
【实施或试行日期】:2000-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:环境要求;安装;供气系统;燃气供应;计划;压缩机泵站;燃气技术;安全;试验;气体压缩机;维修;规范(验收);定义
【英文主题词】:Compressorstations;Definition;Definitions;Environmentalrequirements;Erection;Gascompressor;Gassupply;Gassupplysystem;Gastechnology;Maintenance;Planning;Safety;Specification(approval);Testing
【摘要】:
【中国标准分类号】:Q82
【国际标准分类号】:23_140;75_200
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforPrecisionElectroformedWetSieveAnalysisofNonplasticCeramicPowders
【原文标准名称】:非塑性陶瓷粉末的精密电铸湿筛分析的标准指南
【标准号】:ASTMC925-2009
【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】:C21.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ceramicpowders;particlesizedistribution;precisionelectroformedsieves;wet-sieves;Aluminapowder--particlesizedistribution;Ceramicpowders(nonplastic);Particleanalysis--alumina/quartz/silica;Quartzpowder--particlesizedistribution;Siev
【摘要】:Bothsuppliersandusersofpulverizedceramicpowderswillfindthistestmethodusefultodetermineparticlesizedistributionsformaterialsspecifications,manufacturingcontrol,development,andresearch.Thetestmethodissimple,althoughtedious,usesinexpensiveequipment,andwillprovideacontinuouscurvewithdataobtainedwithstandardizedwovensieves.1.1Thisguidecoversthedeterminationoftheparticlesizedistributionofpulverizedaluminaandquartzforparticlesizesfrom45to5x03BC;mbywetsieving.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.2.1TheonlyexceptionisintheSection5,Apparatus,5.1wherethereisnorelevantSIequivalent.1.3Thisstandarddoesnotpurporttoaddressthesafetyconcernsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q30
【国际标准分类号】:81_060_10
【页数】:3P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforApparentViscosityofEngineOilsBetween-5and-35176;CUsingtheCold-CrankingSimulator
【原文标准名称】:使用冷启动模拟器测定机油在-5℃、-35℃和176℃时的表观粘度的标准试验方法
【标准号】:ASTMD5293-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparentviscosity;coldcranking;cranking;engineoils;petroleumandpetroleumproducts;viscosity;Automotiveenginefuels/oils;Cold-crankingsimulator(CCS);Low-temperaturetesting--petroleumproducts/applications;Lubricatingoils;Petroleumprodu
【摘要】:TheCCSapparentviscosityofautomotiveengineoilscorrelateswithlowtemperatureenginecranking.CCSapparentviscosityisnotsuitableforpredictinglowtemperatureflowtotheengineoilpumpandoildistributionsystem.EnginecrankingdataweremeasuredbytheCoordinatingResearchCouncil(CRC)L-49testwithreferenceoilsthathadviscositiesbetween600and8400mPax00B7;s(cP)atx2013;17.8x00B0;Candbetween2000and20000mPax00B7;s(cP)atx2013;28.9x00B0;C.ThedetailedrelationshipbetweenthisenginecrankingdataandCCSapparentviscositiesisinAppendixesX1andX2ofthe1967TeditionofTestMethodandCRCReport409.BecausetheCRCL-49testismuchlesspreciseandstandardizedthantheCCSprocedures,CCSapparentviscosityneednotaccuratelypredicttheenginecrankingbehaviorofanoilinaspecificengine.However,thecorrelationofCCSapparentviscositywithaverageCRCL-49enginecrankingresultsissatisfactory.ThecorrelationbetweenCCSandapparentviscosityandenginecrankingwasconfirmedattemperaturesbetweenx2013;1andx2013;40x00B0;Cbyworkon17commercialengineoils(SAEgrades5W,10W,15W,and20W).Bothsyntheticandmineraloilbasedproductswereevaluated.SeeASTMSTP621.AcorrelationwasestablishedinalowtemperatureengineperformancestudybetweenlightdutyenginestartabilityandCCSmeasuredapparentviscosity.Thisstudyusedten1990senginesattemperaturesrangingfromx2013;5downtox2013;40x00B0;Cwithsixcommercialengineoils(SAE0W,5W,10W,15W,20W,and25W).Themeasurementofthecrankingviscosityofbasestocksistypicallydonetodeterminetheirsuitabilityforuseinengineoilformulations.Asignificantnumberofthecalibrationoilsforthismethodarebasestocksthatcouldbeusedinengineoilformulations.1.1Thistestmethodcoversthelaboratorydeterminationofapparentviscosityofengineoilsandbasestocksbycoldcrankingsimulator(CCS)attemperaturesbetweenx2013;5andx2013;35x00B0;Catshearstressesofapproximately50000to100000Paandshearratesofapproximately105to104sx2013;1forviscositiesofapproximately900to25000mPax00B7;s.Therangeofaninstrumentisdependentontheinstrumentmodelandsoftwareversioninstalled.ApparentCrankingViscosityresultsbythismethodarerelatedtoengine-crankingcharacteristicsofengineoils.1.2Aspecialprocedureisprovidedformeasurementofhighlyviscoelasticoilsinmanualinstruments.SeeAppendixX2.1.3Proceduresareprovidedforbothmanualandautomateddeterminationoftheapparentviscosityofengineoilsusingthecold-crankingsimulator.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarnings......
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:9P.;A4
【正文语种】:英语
