BS EN 3897-2002 航空航天系列.钢FE-WA4801(X6CrNiMnNb18-10).焊接用填充金属
时间:2024-05-10 09:35:19 来源: 标准资料网 作者：标准资料网 阅读：9498
【英文标准名称】:Aerospaceseries-SteelFE-WA4801(X6CrNiMnNb18-10)-Fillermetalforwelding
【原文标准名称】:航空航天系列.钢FE-WA4801(X6CrNiMnNb18-10).焊接用填充金属
【标准号】:BSEN3897-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-01-11
【实施或试行日期】:2002-01-11
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:焊条;填充金属丝;填充金属;航空运输工程;飞行器部件;钢;焊接
【英文主题词】:Aerospacetransport;Airtransport;Chemicalcomposition;Cold-drawn;Metallicmaterials;Multilingual;Spacetransport;Specification(approval);Steels;Use;Welding;Weldingfillermetals
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_10
【页数】:10P;A4
【正文语种】:英语
MIL-T-89301A, MILITARY SPECIFICATION: TOPOGRAPHIC MAPS 1:50,000 SCALE (28 FEB 1995)., This general specification defines requirements for the Defense Mapping Agency's (DMA) 1:50,000 Scale Topographic Maps.【英文标准名称】:Foodstuffs—Samplecomminutionformycotoxinsanalysis—Comparisonbetweendrymillingandslurrymixing
【原文标准名称】:食品.真菌毒素分析的抽样粉碎.干磨和泥浆混合的对比
【标准号】:BSPDCEN/TR15298-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-10-31
【实施或试行日期】:2006-10-31
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Acomparisonwasmadebetweendrymillingandslurrymixingascomminutionstepprecedingmycotoxinsanalysis.SuchinrespecttoEClegislationthatconsistsofsampleschemesupto30kg.Cacao,greencoffee,almondsandpistachiosamplesof10kgweremilledbyaRASmillandallthreesub-sampleswerecompletelyanalysedforaflatoxinB1orOchratoxinA.Thedifferencesinanalyticalresultsareexplainedbymeasurementsofparticlesizedistributionsofbothmillingtypes.Theobtaineddataarecomparedwithliteraturedataoncoefficientsofvariation(CV)forvariousmillingprocedures.FordrymillingCVvaluesweregenerallynotbelow20%foraflatoxinB1levelsupto38μg/kginpeanuts,whereasslurrymixingcouldachieveCVvaluesbelow5%ataflatoxinB1levelsdownto4μg/kginpistachios.Measurementsalsoshowedpossibledifferenceinmycotoxincontentofasamplebetweenbothmillingtypes.Thiscouldleadtofalsepositiveornegativeresultswhenrejectingoracceptingalot,asthisisbasedonthesampleresult.ItwasconcludedthatslurriescontainsmallerparticlesthandrymilledsamplesandthusgeneratethelowestpossibleCVvalueswhichinturnleadstobettersamplehomogenisation.
【中国标准分类号】:X04
【国际标准分类号】:67_050
【页数】:22P.;A4
【正文语种】:英语