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ASTM D5985-2002(2008) 石油产品倾点的标准试验方法(旋转法)

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【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


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【英文标准名称】:Overvoltageprotectionofinformationtechnologyequipment(ITinstallations)
【原文标准名称】:信息技术设备过压保护(IT装置)
【标准号】:DINVDE0845Bb.1-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Atmospheric;Buildings;Cables;Chargings;Climate;Computers;Contactsafetydevices;Dataprocessingequipment;Dielectricstrength;Discharge;Earthing;Electriccontactprotection;Electricpowersystems;Electricalengineering;Electricalprotectionequipment;Electricalsafety;Electrostatic;Electrostaticchargings;Electrostatics;Equipment;Immunity;Informationprocessing;Informationprocessingsystems;Informationtechnology;Lightning;Lightningprotection;Lightningstroke;Overcurrent;Overcurrentprotection;Overcurrentprotectiondevices;Overvoltage;Overvoltageprotection;Protection;Protectivemeasures;Safetyengineering;Safetymeasures;Specification(approval);Telecommunication;Telecommunicationnetworks;Telecommunicationsystems;Telecommunications;Thunderstorms
【摘要】:
【中国标准分类号】:M30
【国际标准分类号】:29_120_50;33_040_01
【页数】:71P;A4
【正文语种】:德语


【英文标准名称】:Personaleye-equipment-Sunglassesandsunglarefiltersforgeneraluseandfiltersfordirectobservationofthesun(includesAmendmentA1:2007);EnglishversionofDINEN1836:2007-11
【原文标准名称】:个人眼睛防护设备.通用太阳镜和太阳强光滤光镜及直接观测太阳用的滤光镜
【标准号】:DINEN1836-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:类别;黑滤光镜;制造日期;定义;护目器;过滤器;滤光镜(护目);精密机械;辐照度;透镜光学能力;透光率;作标记;材料;数学计算;测量;测量条件;机械性能;观察;光学特性;光学;物理性能;性能;防护服装;反射比因数;折射指数;太阳辐射;规范(验收);眼镜(夹鼻);波谱发射;太阳镜;符号;测试;透射率;波长
【英文主题词】:Categories;Darkfilters;Dataofthemanufacturer;Definition;Definitions;Eyeprotectors;Filters;Filters(eyeprotectors);Finemechanics;Irradiance;Lenspower;Lighttransmittance;Marking;Materials;Mathematicalcalculations;Measurement;Measurementconditions;Mechanicalproperties;Observation;Opticalproperties;Optics;Physicalproperties;Properties;Protectiveclothing;Reflectancefactor;Refractiveindex;Solarradiation;Specification(approval);Spectacles(eyeglasses);Spectralemittance;Sunglasses;Symbols;Testing;Transmittance;Wavelengths
【摘要】:ThisEuropeanStandardspecifiesphysicalproperties(mechanical,opticaletc.)forsunglassesandsunglarefiltersofnominalplanopowerwhicharenotprescriptionlenses,intendedforprotectionagainstsolarradiationforgeneraluse.forsocialanddomesticpurposes,includingroaduseanddriving.ThisEuropeanStandardspecifiesalsorequirementsforfiltersforthedirectobservationofthesun(e.g.duringeclipses).GuidanceforselectionanduseofthesefiltersisgiveninAnnexE.Forsunglassesandsunglarefiltersforindustrialuse,EN166andEN172apply.ThisEuropeanStandarddoesnotapplytoeyewearforprotectionagainstradiationfromartificiallightsources,suchasthoseusedinsolaria.EN170appliesforthesefilters.ThisEuropeanStandarddoesnotapplytoskigoggles,forwhichEN174applies,orothertypesofeyeprotectionusedforleisureactivities.ThisEuropeanStandarddoesnotapplytosunglassesandfiltersthathavebeenmedicallyprescribedforattenuatingsolarradiation.
【中国标准分类号】:C73
【国际标准分类号】:13_340_20
【页数】:45P.;A4
【正文语种】:英语