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HB 7476-1996 金属力学性能检测人员的资格鉴定

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标准名称:金属力学性能检测人员的资格鉴定
中标分类: 航空、航天 >> 航空、航天综合 >> 标准化、质量管理
发布日期:1996-09-13
实施日期:1997-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:8页
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所属分类: 航空 航天 航空 航天综合 标准化 质量管理
【英文标准名称】:Oilofbay[Pimentaracemosa(Mill.)J.W.Moore]
【原文标准名称】:月桂[Pimentaracemosa(Mill.)J.W.Moore]油
【标准号】:BSISO3045-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-06-02
【实施或试行日期】:2004-06-02
【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】:月桂叶;香精油;作标记;包装件;质量要求;规范;规范(验收);储存;测试
【英文主题词】:Bayleaves;Essentialoils;Marking;Packages;Qualityrequirements;Specification;Specification(approval);Storage;Testing
【摘要】:ThisInternationalStandardspecifiescertaincharacteristicsoftheoilofbay1)[Pimentaracemosa(Mill.)J.W.Moore],inordertofacilitateassessmentofitsquality.
【中国标准分类号】:X46
【国际标准分类号】:71_100_60
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminingSolarorPhotopicReflectance,Transmittance,andAbsorptanceofMaterialsUsingaLargeDiameterIntegratingSphere
【原文标准名称】:用大直经积分球测定材料的太阳能或光反射性,透明性和吸收性的试验方法
【标准号】:ASTME1175-1987(2003)
【标准状态】:现行
【国别】:
【发布日期】:1987
【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】:E44.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;材料;太阳能;直径;反射;吸收;传输
【英文主题词】:
【摘要】:Toovercometheinadequaciesofconventionalspectrophotometricmeasurementtechniqueswhennonhomogeneousmaterialsaremeasured,alargeintegratingspheremaybeused.5,6Sincethebeamemployedinsuchspheresislargeincomparisontothedisparatiesofthematerialsbeingtested,thenonisotropicnatureofthespecimenbeingmeasuredisessentiallyaveraged,orintegratedoutofthemeasurement,inasingleexperimentaldetermination.Solarandphotopicopticalpropertiesmaybemeasuredeitherwithmonofunctionalspheresindividuallytailoredforthemeasurementofeithertransmittance6orreflectance,ormaybemeasuredwithasinglemultifunctionalspherethatisemployedtomeasurebothtransmittanceandreflectance.5Amultifunctionalsphereisusedformakingtotalsolartransmittancemeasurementsinbothadirectional-hemisphericalandadirectional-directionalmode.Thesolarabsorptancecanbeevaluatedinasinglemeasurementasoneminusthesumofthedirectionalhemisphericalreflectanceandtransmittance.Whenasampleatthecenterofthesphereissupportedbyitsrim,thesumofthereflectanceandtransmittancecanbemeasuredasafunctionoftheangleofincidence.Thesolarabsorptanceisthenoneminusthemeasuredabsorptanceplustransmittance.1.1Thistestmethodcoversthemeasurementoftheabsolutetotalsolarorphotopicreflectance,transmittance,orabsorptanceofmaterialsandsurfaces.Althoughthereareseveralapplicabletestmethodsemployedfordeterminingtheopticalpropertiesofmaterials,theyaregenerallyusefulonlyforflat,homogeneous,isotropicspecimens.Materialsthatarepatterned,textured,corrugated,orareofunusualsizecannotbemeasuredaccuratelyusingconventionalspectrophotometrictechniques,orrequirenumerousmeasurementstoobtainarelevantopticalvalue.Thepurposeofthistestmethodistoprovideameansformakingaccurateopticalpropertymeasurementsofspatiallynonuniformmaterials.1.2Thistestmethodisapplicabletolargespecimensofmaterialshavingbothspecularanddiffuseopticalproperties.Itisparticularlysuitedtothemeasurementofthereflectanceofopaquematerialsandthereflectanceandtransmittanceofsemitransparentmaterialsincludingcorrugatedfiber-reinforcedplastic,compositetransparentandtranslucentsamples,heavilytexturedsurfaces,andnonhomogeneousmaterialssuchaswovenwood,windowblinds,draperies,etc.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Forspecificsafetyhazards,seeNote.)
【中国标准分类号】:F12
【国际标准分类号】:17_180_20(COLOURSANDMEASUREMENTOFLIGHT)
【页数】:4P.;A4
【正文语种】: