DIN EN 462-4-1994 无损检验.透视影像质量.第4部分:影像质量值和影像质量制表的实验评价;德文版本EN462-4:1994

上一篇: DIN 2393-2-1994 特殊尺寸精度的焊接精密钢管.交货技术条件
下一篇: BS 1902 Sec.10.2-1994 耐熔材料的试验方法.熔模铸造法壳形铸模设备.透气率及高温下标准大气流量的测量

【英文标准名称】:Plasticspipingsystemsforthesupplyofgaseousfuels.Polyethylene(PE).Fittings
【原文标准名称】:气体燃料供应用塑料管系统.聚乙烯(PE).配件
【标准号】:BSEN1555-3-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-11-30
【实施或试行日期】:2010-11-30
【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】:压缩气体设备;定义(术语);适用性;配件;燃气管道;燃气供应;气体供应管线;材料;机械性能;聚乙烯(PE);聚乙烯管道;物理性能;管道配件;管道;管线;管系统;塑料管;聚乙烯;压缩气体管道;性能;规范(验收);测试;阀门;熔接接头
【英文主题词】:Compressedgasequipment;Definitions;Fitnessforpurpose;Fittings;Gaspipelines;Gassupply;Gassupplyline;Materials;Mechanicalproperties;PE;PEpipes;Physicalproperties;Pipefittings;Pipelines;Pipes;Pipingsystem;Plasticpipes;Polyethylene;Pressuregaspipelines;Properties;Specification(approval);Testing;Valves;Weldingfittings
【摘要】:ThispartofEN1555specifiesthecharacteristicsoffusionfittingsmadefrompolyethylene(PE)aswellasofmechanicalfittingsforpipingsystemsinthefieldofthesupplyofgaseousfuels.Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.InconjunctionwithParts1,2,4and5ofEN1555,itisapplicabletoPEfittings,theirjointsandtojointswithcomponentsofPEandothermaterialsintendedtobeusedunderthefollowingconditions:a)amaximumoperatingpressure,MOP,uptoandincluding10bar1);b)anoperatingtemperatureof20°Casreferencetemperature.NOTE1Forotheroperatingtemperatures,deratingcoefficientsshouldbeused;seeEN1555-5.EN1555(allparts)coversarangeofmaximumoperatingpressuresandgivesrequirementsconcerningcoloursandadditives.NOTE2Itistheresponsibilityofthepurchaserorspecifiertomaketheappropriateselectionsfromtheseaspects,takingintoaccounttheirparticularrequirementsandanyrelevantnationalregulationsandinstallationpracticesorcodes.ThisEuropeanStandardisapplicableforfittingsofthefollowingtypes:c)electrofusionsocketfittings;d)electrofusionsaddlefittings;e)spigotendfittings(forbuttfusionusingheatedtoolsandelectrofusionsocketfusion);f)mechanicalfittings.Thefittingscane.g.beintheformofcouplers,equalandreducedtees,reducers,bendsorcaps.
【中国标准分类号】:Q82
【国际标准分类号】:23_040_45;91_140_40
【页数】:36P.;A4
【正文语种】:英语


【英文标准名称】:Ergonomicsofhuman-systeminteraction-Part210:Human-centreddesignforinteractivesystems
【原文标准名称】:人-机交互作用的人类工效学.第210部分:交互式系统用以人为中心的设计
【标准号】:ISO9241-210-2010
【标准状态】:现行
【国别】:国际
【发布日期】:2010-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC159
【标准类型】:()
【标准水平】:()
【中文主题词】:计算机;数据处理;定义;设计;人类工效学;硬件;交互式的;人机;软件;规范(验收);系统;用户系统
【英文主题词】:Computers;Dataprocessing;Definitions;Design;Ergonomics;Hardware;Interactive;Man-machine;Software;Specification(approval);Systems;Usersystem
【摘要】:ThispartofISO9241providesrequirementsandrecommendationsforhuman-centreddesignprinciplesandactivitiesthroughoutthelifecycleofcomputer-basedinteractivesystems.Itisintendedtobeusedbythosemanagingdesignprocesses,andisconcernedwithwaysinwhichbothhardwareandsoftwarecomponentsofinteractivesystemscanenhancehuman–systeminteraction.NOTE1Computer-basedinteractivesystemsvaryinscaleandcomplexity.Examplesincludeoff-the-shelf(shrink-wrap)softwareproducts,customofficesystems,processcontrolsystems,automatedbankingsystems,Websitesandapplications,andconsumerproductssuchasvendingmachines,mobilephonesanddigitaltelevision.ThroughoutthispartofISO9241,suchsystemsaregenerallyreferredtoasproducts,systemsorservicesalthough,forsimplicity,sometimesonlyonetermisused.ThispartofISO9241providesanoverviewofhuman-centreddesignactivities.Itdoesnotprovidedetailedcoverageofthemethodsandtechniquesrequiredforhuman-centreddesign,nordoesitaddresshealthorsafetyaspectsindetail.Althoughitaddressestheplanningandmanagementofhuman-centreddesign,itdoesnotaddressallaspectsofprojectmanagement.
【中国标准分类号】:A25
【国际标准分类号】:13_180
【页数】:40P.;A4
【正文语种】:英语