NF T47-256-2008 输送无水氨用橡胶软管和软管组件.规范
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【英文标准名称】:Rubberhosesandhoseassembliesfortransferringanhydrousammonia-Specification.
【原文标准名称】:输送无水氨用橡胶软管和软管组件.规范
【标准号】:NFT47-256-2008
【标准状态】:现行
【国别】:法国
【发布日期】:2008-11-01
【实施或试行日期】:2008-11-22
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:氨;氨溶液;循环;状态调节;尺寸;燃气软管;柔性管;气体的;软管组件;软管;内管;层;液体;液氨;液态材料;作标记;材料;外层;物理性能;压力;性能;橡胶软管;橡胶制品;橡胶技术;橡胶包覆电缆;规范(验收);规范;温度;试验;公差(测量);运输;无水的
【英文主题词】:Ammonia;Ammoniasolution;Circulation;Conditioning;Dimensions;Flexiblegastubes;Flexiblepipes;Gaseous;Hoseassemblies;Hoses;Innertube;Layers;Liquid;Liquidammonia;Liquidmaterials;Liquids;Marking;Materials;Outerlayers;Physicalproperties;Pressure;Properties;Rubberhoses;Rubberproducts;Rubbertechnology;Rubber-sheathedcables;Specification(approval);Specifications;Temperature;Testing;Tolerances(measurement);Transport;Waterless
【摘要】:
【中国标准分类号】:G42
【国际标准分类号】:
【页数】:20P;A4
【正文语种】:其他
【英文标准名称】:Eurocode1:Actionsonstructures-Part4:Silosandtanks;GermanversionEN1991-4:2006
【原文标准名称】:欧洲法规1:建筑物作用.第4部分:筒仓和竖井
【标准号】:DINEN1991-4-2006
【标准状态】:作废
【国别】:德国
【发布日期】:2006-12
【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】:灌注;散装物料;土木工程;建筑;建筑工程;建设工程;定义;尺寸选定;效应;欧洲法规;排出物;受液器;荷载能力;负荷;数学计算;额定值;筒仓;规范(验收);储存;结构工程制图;结构;容器
【英文主题词】:Basis;Bottling;Bottom;Bulkmaterials;Civilengineering;Classification;Construction;Constructionengineering;Constructionworks;Definitions;Dimensioning;Earthquakes;Effects;Eurocode;Evacuations;Extenders;Fluidreceivers;Friction;Funnels;Liquids;Loadcapacity;Loadfactor;Loading;Mathematicalcalculations;Measurement;Measuringtechniques;Methods;Pressure;Properties;Ratings;Silos;Specification(approval);Storages;Structuralengineeringdrawings;Structures;Tanks;Velocity;Walls;Weights
【摘要】:1.1.1ScopeofEN1991-Eurocode1(1)PEN1991providesgeneralprinciplesandactionsforthestructuraldesignofbuildingsandcivilengineeringworksincludingsomegeotechnicalaspectsandshallbeusedinconjunctionwithEN1990andEN1992-1999.(2)EN1991alsocoversstructuraldesignduringexecutionandstructuraldesignfortemporarystructures.Itrelatestoallcircumstancesinwhichastructureisrequiredtogiveadequateperformance.(3)EN1991isnotdirectlyintendedforthestructuralappraisalofexistingconstruction,indevelopingthedesignofrepairsandalterationsorforassessingchangesofuse.(4)EN1991doesnotcompletelycoverspecialdesignsituationswhichrequireunusualreliabilityconsiderationssuchasnuclearstructuresforwhichspecifieddesignproceduresshouldbeused.1.1.2ScopeofEN1991-4actionsonstructures:silosandtanks(1)PThispartprovidesgenetalprinciplesandactionsforthestructuraldesignofsilosforthestorageofparticulatesolidsandtanksforthestorageoffluidsandshallbeusedinconjunctionwithEN1990,otherpartsofEN1991andEN1992toEN1999.(2)Thispartincludessomeprovisionsforactionsonsiloandtankstructuresthatarenotonlyassociatedwiththestoredsolidsorliquids(e.g.theeffectsofthermaldifferentials,aspectsofthedifferentialsettlementsofbatteriesofsilos)(3)Thefollowinggeometricallimitationsapplytothedesignrulesforsilos:-thesilocross-sectionshapesarelimitedtothoseshowninFigure1.1d,thoughminorvariationsmaybeacceptedprovidedthestructuralconsequencesoftheresultingchangesinpressureareconsidered;-thefollowingdimensionallimitationsapply:h/d<10h<100md<60m-thetransitionliesinasinglehorizontalplane(seeFigure1.1a);-thesilodoesnotcontainaninternalstructuresuchasaconeorpyramidwithitsapexuppermost,cross-beams,etc.However,arectangularsilomaycontaininternalties.(4)Thefollowinglimitaionsonthestoredsolidsapplytothedesignrulesforsilos:-eachsiloisdesignedforadefinedrangeofparticulatesolidsproperties;-thestoredsolidisfree-flowing,orthestoredsolidcanbeguaranteedtoflowfreelywithinthesilocontainerasdesigned(see1.5.12andAnnexC);-themaximumparticlediameterofthestoredsolidisnotgreaterthan0,03d(seeFigure1.1d).NOTE:Whenparticlesarelargecomparedtothesilowallthickness,accountshouldbetakenoftheeffectsofsingleparticlesapplyinglocalforcesonthewall.(5)Thefollowinglimitationsonthefillinganddischargearrangementsapplytothedesignrulesforsilos:-fillinginvolvesonlynegligibleinertiaeffectsandimpactloads;-wheredischargedevicesareused(forexamplefeedersorinternalflowtubes)solidsflowissmoothandcentral.(6)Onlyhoppersthatareconica(i.e.axisymmetric),squarepyramidalorwedge-shaped(i.e.withverticalendwalls)arecoveredbythisstandard.Otherhoppershapesandhopperswithinternalsrequirespecialconsiderations.(7)Somesiloswithasystematicallynon-symmetricgeometryarenotspecificallycoveredbythisstandard.Thesecasesincludeachiselhopper(i.e.awedgehopperbeneathacircularcylinder)andadiamond-backhopper.(8)Thedesignrulesfortanksapplyonlytotanksstoringliquidsatnormalatmosphericpressure.(9)ActionsontheroofsofsilosandtanksaregiveninEN1991-1-4,EN1991-1-3toEN1991-1-7andEN1991-3asappropriate.(10)Thedesignofsilosforreliablesolidsdischargeisoutsidethescopeofthisstandard.(11)Thedesignofsilosagainstsiloquaking,shocks,honking,poundingandsilomusicisoutsidethescopeofthisstandard.
【中国标准分类号】:P30
【国际标准分类号】:91_010_30;91_040_01
【页数】:109P.;A4
【正文语种】:德语
基本信息
标准名称: | 纳米镍粉 |
英文名称: | Nano-nickel powder |
中标分类: |
冶金 >>
粉末冶金 >>
金属与合金粉末 |
ICS分类: |
冶金 >>
有色金属 >>
镍、铬及其合金
|
发布部门: | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
发布日期: | 2004-09-29 |
实施日期: | 2005-04-01 |
首发日期: | 2004-09-29 |
作废日期: | 1900-01-01 |
主管部门: | 中国有色金属工业协会 |
提出单位: | 中国有色金属工业协会 |
归口单位: | 全国有色金属标准化技术委员会(TC243/SC4) |
起草单位: | 钢铁研究总院 |
起草人: | 郑毅、滕荣厚、张宪铭 |
出版社: | 中国标准出版社 |
出版日期: | 2004-12-02 |
页数: | 16开,页数:5, 字数:7千字 |
计划单号: | 20031781-T-610 |
书号: | 155066.1-22061 |
适用范围
本标准规定了纳米镍粉的要求、试验方法、检验规则、标志、包装、运输、贮存及合同内容。本标准适用于纳米镍粉。
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所属分类: 冶金 粉末冶金 金属与合金粉末 冶金 有色金属 镍 铬及其合金