基本信息
标准名称: | 16SG302Y22-DC60型彩色显示管详细规范 |
英文名称: | Detail specification for color display tube of type 16SG302Y22-DC60 |
中标分类: |
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ICS分类: |
电子学 >>
电子显示器件
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替代情况: | 废止时间为2005-02-23; |
发布日期: | 2003-12-25 |
实施日期: | 2004-03-01 |
首发日期: | 1900-01-01 |
作废日期: | 2005-02-23 |
出版社: | 工业电子出版社 |
出版日期: | 2005-02-11 |
页数: | 19页 |
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引用标准
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所属分类: 电子学 电子显示器件
【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