【英文标准名称】:StandardPracticeforUltrasonicExtractionofPaint,Dust,Soil,andAirSamplesforSubsequentDeterminationofLead
【原文标准名称】:铅的连续测定用涂料、尘埃、土壤和气体样品的超声萃取的标准实施规范
【标准号】:ASTME1979-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:土壤;声学;环境工程;超声检验;铅;试样制备
【英文主题词】:samplepreparation;environmentalengineering;soils;acoustics;lead;ultrasonictesting
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:71_040_50;17_140_99
【页数】:7P;A4
【正文语种】:英语


【英文标准名称】:Petroleumandnaturalgasindustries-Flexiblecouplingsformechanicalpowertransmission-Generalpurposeapplications
【原文标准名称】:石油和天然气工业.机械动力传输用柔性接头.一般用途
【标准号】:BSENISO14691-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-12-15
【实施或试行日期】:2000-12-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:机械零部件;性能试验;认可试验;石油;质量控制;天然气;电绝缘;设计;挠性联轴器;机械传动系统;联轴器;转速;石油技术;检验;动力传动系统
【英文主题词】:Balancing;Clutches;Consumer-supplierrelations;Definition;Definitions;Design;Gases;Gasoline;Industries;Leverage;Loadtransmission;Manufacturer'stest;Mechanicaldrive;Mineraloils;Multilingual;Naturalgas;Naturalgasindustries;Oilindustries;Orderer;Petroleum;Powertransmission;Powertransmissionengineering;Qualityassurance;Qualitycontrol;Sellers;Shaftcouplings;Specifications;Technicaldatasheets
【摘要】:1ThisInternationalStandardspecifiestherequirementsforcouplingsforthetransmissionofpowerbetweentherotatingshaftsoftwomachinesforgeneralpurposeapplicationsinthepetroleumandnaturalgasindustries.Suchapplicationstypicallyrequirecouplingstotransmitpoweratspeedsnotexceeding4000r/min,betweenmachinesinwhichthefirstlateralcriticalspeedisabovetherunningspeedrange(stiff-shaftmachines).Itmay,byagreement,beusedforapplicationsoutsidetheselimits.2ThisInternationalStandardisapplicabletocouplingsdesignedtoaccommodateparallel(orlateral)offset,angularmisalignmentandaxialdisplacementoftheshaftswithoutimposingexcessivemechanicalloadingonthecoupledmachines.Couplingscoveredincludegear(andothermechanicalcontacttypes),metallicflexible-elementandvariouselastomerictypes.Specialtypessuchasclutch,hydraulic,eddy-current,rigid,radialsplineanduniversaljointtypes,arenotcovered.3ThisInternationalStandardcoversdesign,materialsofconstruction,inspectionandtestingofcouplingsandmethodsofattachmentofthecouplingtotheshafts(includingtaperedsleeveandotherproprietarydevices).ThisInternationalStandarddoesnotdefinecriteriafortheselectionofcouplingtypesforspecificapplications.4Itisrecommendedthat,whenusersfitnewcouplingstoexistingequipmentwhicharedifferentfromthoseoriginallyfitted,theyconsultthemanufacturersofthedrivingordrivenequipment.NOTE1Inmanycases,couplingscoveredbythisInternationalStandardaremanufacturer'scatalogueitems.NOTE2Forthefollowingapplications,theuseofISO10441isrecommended:—largeorhigh-speedmachinesthatmayberequiredtooperatecontinuouslyforextendedperiods,areoftenunsparedandarecriticaltothecontinuedoperationoftheinstallation(specialpurposeapplications);—machinesinwhichthefirstlateralcriticalspeedislessthanthemaximumrequiredoperatingspeed(flexible-shaftmachines);—machineswheretherotordynamicsareparticularlysensitivetocouplingunbalance.
【中国标准分类号】:E04
【国际标准分类号】:75_180_20
【页数】:36P;A4
【正文语种】:英语