BS ISO 4392-2-2002 液压流体动力.电动机特性的测定.稳定性
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【英文标准名称】:Hydraulicfluidpower-Determinationofcharacteristicsofmotors-Startability
【原文标准名称】:液压流体动力.电动机特性的测定.稳定性
【标准号】:BSISO4392-2-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-04-23
【实施或试行日期】:2002-04-23
【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】:试验;测量;测量技术;电动机;流体技术;定义;液压传动;液力发动机;起动性能;特性曲线;性能试验;液压设备;机械工程;液压传动系统
【英文主题词】:Characteristiccurves;Definition;Definitions;Fluidtechnologies;Hydraulicequipment;Hydraulicfluidpower;Hydraulicmotors;Hydraulictransmissionsystems;Measurement;Measuringtechniques;Mechanicalengineering;Motors;Performancetesting;Performancetests;Startingperformance;Testing;Tests
【摘要】:Owingtotheheterogeneousstructuralcompositionofthemajorityofthesebearingmetals,aBrinelltestispreferred.TheVickerstestshouldbeusedinthecaseofverysmalllayerthicknesses.
【中国标准分类号】:J20
【国际标准分类号】:23_100_10
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:Plastics-Polytetrafluoroethylene(PTFE)semi-finishedproducts-Part2:Preparationoftestspecimensanddeterminationofproperties
【原文标准名称】:塑料.聚四氟乙烯(PTFE)半成品.第2部分:试样的制备和性能的测定
【标准号】:ISO13000-2-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;密度;测定;尺寸精度;尺寸;电性质和电现象;压印硬度;质量损失;塑料;聚四氟乙烯;特性;PTFE;半成品;试样制备;应力断裂;试样
【英文主题词】:Definitions;Density;Determination;Dimensionalaccuracy;Dimensions;Electricalpropertiesandphenomena;Indentationhardness;Masslosses;Plastics;Polytetrafluoroethylene;Properties;PTFE;Semi-finishedproducts;Specimenpreparation;Stresscrackings;Testspecimens
【摘要】:ThispartofISO13000specifiesthepreparationoftestspecimensandgivesthetestmethodsapplicabletosemi-finishedproductsofpolytetrafluoroethylene(PTFE).
【中国标准分类号】:G31
【国际标准分类号】:83_140_01
【页数】:11P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforPourPointofPetroleumProducts(RotationalMethod)
【原文标准名称】:石油产品倾点的标准试验方法(旋转法)
【标准号】:ASTMD5985-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D97equivalent;petroleumproducts;pourpoint;rotationalpourpoint;Instrumentalmeasurement--petroleumproducts;Pourpoint--petroleumproducts;Rotationalpourpoint
【摘要】:Thepourpointofapetroleumproductisanindexofthelowesttemperatureofitsutilityforcertainapplications.Flowcharacteristics,suchaspourpoint,canbecriticalforthecorrectoperationoflubricatingsystems,fuelsystems,andpipelineoperations.Petroleumblendingoperationsrequireprecisemeasurementofthepourpoint.Thistestmethodcandeterminethetemperatureofthetestspecimenwitharesolutionof0.1x00B0;Catwhicheithercrystalshaveformedorviscosityincreasessufficientlytoimpedemovementofthepetroleumproduct.ThistestmethodyieldsapourpointinaformatsimilartoTestMethodD97/IP15whenthe3x00B0;Cintervalresultsarereported.Note28212;SincesomeusersmaywishtoreporttheirresultsinaformatsimilartoTestMethodD97(in3x00B0;Cintervals)theprecisionswerederivedforthetemperaturesroundedtothe3x00B0;Cintervals.ForstatementsonbiasrelativetoTestMethodD97,see13.3.ThistestmethodhasbetterrepeatabilityandcomparablereproducibilityrelativetoTestMethodD97asmeasuredinthe1992interlaboratoryprogram.(SeeSection13.)1.1Thistestmethodcoversthedeterminationofpourpointofpetroleumproductsbyanautomaticinstrumentthatcontinuouslyrotatesthetestspecimenagainstasuspendeddetectiondeviceduringcoolingofthetestspecimen.1.2Thistestmethodisdesignedtocovertherangeoftemperaturesfromx2212;57to+51x00B0;C;however,therangeoftemperaturesincludedinthe1992interlaboratoryprogramonlycoveredthetemperaturerangeofx2212;39to+6x00B0;C(see13.4).1.3Thistestmethoddeterminestheno-flowpointofpetroleumproductsbydetectionofthecrystalstructureorviscosityincrease,orboth,inthesamplethatissufficienttoimpedeflowofthespecimen.1.4Thistestmethodisnotintendedforusewithcrudeoils.Note18212;Theapplicabilityofthistestmethodonresidualfuelsampleshasnotbeenverified.Forfurtherinformationonapplicability,referto13.4.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:5P.;A4
【正文语种】:英语