NF T51-510-2-2002 塑料制品.不饱和聚酯树脂(UP-R).第2部分:试样的制备和性能的测定

作者:标准资料网 时间:2024-05-04 06:00:16   浏览:8684   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Plastics-Unsaturated-polyesterresins(UP-R)-Part2:preparationoftestspecimensanddeterminationofproperties.
【原文标准名称】:塑料制品.不饱和聚酯树脂(UP-R).第2部分:试样的制备和性能的测定
【标准号】:NFT51-510-2-2002
【标准状态】:现行
【国别】:法国
【发布日期】:2002-01-01
【实施或试行日期】:2002-01-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:不饱和的;材料;有机化合物;特性;试验;试验;聚酯树脂;检验规范;计数检查;生产;塑料;试样制备;试样;聚酯;不饱和聚酯树脂;测定
【英文主题词】:
【摘要】:
【中国标准分类号】:G31
【国际标准分类号】:83_080_10
【页数】:22P;A4
【正文语种】:其他


下载地址: 点击此处下载
【英文标准名称】:Ultrasonics-Fieldcharacterization-In-situexposureestimationinfinite-amplitudeultrasonicbeams
【原文标准名称】:超声学.原位表征.有限振幅超声波束原位曝光估计
【标准号】:IEC/TS61949-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC87
【标准类型】:()
【标准水平】:()
【中文主题词】:调幅;定义;诊断;诊断(医疗);影响;电器;电气工程;测量;医疗作用(人体);参数;安全;安全分类;声场;测试;热;超声仪;超声
【英文主题词】:Amplitudemodulation;Definition;Definitions;Diagnosis;Diagnosis(medical);Effects;Electricalappliances;Electricalengineering;Measurement;Mechanicaleffects(humanbody);Parameters;Safety;Safetyclassification;Soundfields;Testing;Thermal;Ultrasonicdevices;Ultrasonics
【摘要】:ThisTechnicalSpecificationestablishes:?thegeneralconceptofthelimitsofapplicabilityofacousticmeasurementsinwaterresultingfromfinite-amplitudeacousticeffects;?amethodtoensurethatmeasurementsaremadeunderquasi-linearconditionsinordertominimisefinite-amplitudeeffects,whichmaybeappliedunderthefollowingconditions:?toacousticfieldsinthefrequencyrange0,5MHzto15MHz;?toacousticfieldsgeneratedbyplanesourcesandfocusingsourcesofamplitudegainupto12;?atalldepthsforwhichthemaximumacousticpressureintheplaneperpendiculartotheacousticaxisliesontheaxis;?tobothcircularandrectangularsourcegeometries;?tobothcontinuous-waveandpulsedfields;?thedefinitionofanacousticquantityappropriateforestablishingquasi-linearconditions;?athresholdvaluefortheacousticquantityasanupperlimitforquasi-linearconditions;?amethodfortheestimationofattenuatedacousticquantitiesunderconditionsofnonlinearpropagationinwater.
【中国标准分类号】:A42
【国际标准分类号】:11_040_55;17_140_50
【页数】:31P.;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforConcreteBuildingBrick
【原文标准名称】:混凝土砖标准规格
【标准号】:ASTMC55-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【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】:C15.03
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:吸收;耐压强度;混凝土砖;混凝土建筑砖块;混凝土圬工单位;线性干收缩;硅酸盐水泥
【英文主题词】:absorption;compressivestrength;concretebrick;concretebuildingbrick;concretemasonryunits;lineardryingshrinkage;portlandcement
【摘要】:1.1Thisspecificationcoverssolid,dry-cast,concretebuildingbrickintendedforinteriorandexterioruseinconstructingstructuralmasonry,andaremadefromportlandcement,water,andsuitablemineralaggregateswithorwithouttheinclusionofothermaterials.Note18212;SpecificationC1634addressesconcretefacingbrickusedinfacingapplicationsandotherexposures(previouslyreferredtoinearliereditionsofthisstandardasGradeNforuseasarchitecturalveneerandfacingunitsinexteriorwallsandforusewherehigh-strengthandresistancetomoisturepenetrationandseverefrostactionaredesired).ThisspecificationdiffersfromC1634inthatitaddressespropertiesforconcretebuildingbrickusedinnon-facing,utilitarianapplications(previouslyreferredtoinearliereditionsofthisspecificationasGradeSforgeneralusewheremoderatestrengthandresistancetofrostactionandmoisturepenetrationarerequired).1.2Thetextofthisspecificationreferencesnotesandfootnoteswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthestandard.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Note28212;Concretebuildingbrickcoveredbythisspecificationaremadefromlightweightornormalweightaggregates,orboth.Note38212;Whenparticularfeaturesaredesired,suchasdensityclassification,highcompressivestrength,surfacetexturesforappearanceorbond,finish,color,fireresistance,insulation,acousticalproperties,orotherspecialfeatures,suchpropertiesshouldbespecifiedseparatelybythepurchaser.Suppliersshouldbeconsultedastotheavailabilityofconcretebuildingbrickhavingthedesiredfeatures.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.
【中国标准分类号】:
【国际标准分类号】:91_100_30
【页数】:3P.;A4
【正文语种】: