【英文标准名称】:StandardTestMethodforDeterminingFilterabilityofMiddleDistillateFuelOils
【原文标准名称】:中间馏出燃料油可过滤性测定的标准试验方法
【标准号】:ASTMD6426-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:航空涡轮燃料;可过滤性;过滤;燃料油;测试
【英文主题词】:aviationturbinefuels;distillatefuels;filterability;fuelcleanliness;fuelfilterability;gasoils
【摘要】:Thistestmethodisintendedforuseinthelaboratoryorfieldinevaluatingdistillatefuelcleanliness.Achangeinfiltrationperformanceafterstorage,pretreatment,orcomminglingcanbeindicativeofchangesinfuelcondition.Relativefilterabilityoffuelsmayvarydependingonfilterporosityandstructureandmaynotalwayscorrelatewithresultsfromthistestmethod.Causesofpoorfilterabilityinindustrial/refineryfiltersincludefueldegradationproducts,contaminantspickedupduringstorageortransfer,incompatibilityofcommingledfuels,orinteractionofthefuelwiththefiltermedia.Anyofthesecouldcorrelatewithorificeorfiltersystemplugging,orboth.1.1Thistestmethodcoversaprocedurefordeterminingthefilterabilityofdistillatefueloilswithintheviscosityrangefrom1.70to6.20mm2/s(cSt)at40176;C.Note1ASTMspecificationfuelsfallingwithinthescopeofthistestmethodareSpecificationD396GradeNos.1and2,SpecificationD975Grades1-D,lowsulfur1-D,2-D,andlowsulfur2-D,andSpecificationD2880GradeNos.1-GTand2-GT.1.2Thistestmethodisnotapplicabletofuelsthatcontainundissolvedwater.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:27_060_10
【页数】:6P.;A4
【正文语种】:


【英文标准名称】:Electricalsafetyinlowvoltagedistributionsystemsupto1000Va.c.and1500Vd.c.-Equipmentfortesting,measuringormonitoringofprotectivemeasurers-Part8:InsulationmonitoringdevicesforITsystems(IEC61557-8:2007+Corrigendum2007-05)
【原文标准名称】:1000V以下交流和1500V以下直流低压配电系统的电气安全.防护措施的测试、测量或监测用设备.第8部分:IT系统用绝缘监测仪
【标准号】:EN61557-8-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-12
【实施或试行日期】:2007-12-01
【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】:交流电网络;通信网;定义;直流装置;直流网络;电气工程;电气安全;电磁试验;信息系统;信息技术;铭刻;额定电压装置;绝缘监视装置;绝缘电阻;绝缘件;低压电源;低压设备;测量设备;医疗设备;医疗技术学;操作说明书;保护措施;常规检验;规范(验收);监督(认可);远程通信;测试
【英文主题词】:Alternatingcurrentnetworks;Communicationnetworks;Definition;Definitions;Directcurrentinstallations;Directcurrentnetworks;Electricalengineering;Electricalsafety;Electromagnetictests;Informationsystems;Informationtechnology;Inscription;Installationsforratedvoltages;Insulatingmonitoringdevices;Insulatingresistance;Insulations;Lowvoltagemains;Low-voltageinstallations;Measuringequipment;Medicalequipment;Medicaltechnology;Operatinginstructions;Protectivemeasures;Routinechecktests;Specification(approval);Surveillance(approval);Telecommunications;Testing
【摘要】:
【中国标准分类号】:F21
【国际标准分类号】:17_220_20
【页数】:27P.;A4
【正文语种】:英语