EN 1971-1998 铜和铜合金.管道的涡流检验

作者:标准资料网 时间:2024-05-15 02:16:42   浏览:8138   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Copperandcopperalloys-Eddycurrenttestfortubes;GermanversionEN1971:1998
【原文标准名称】:铜和铜合金.管道的涡流检验
【标准号】:EN1971-1998
【标准状态】:现行
【国别】:
【发布日期】:1998-12
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铜合金;校正;铜;试验设备;误差检测;试验;规范(验收);无缝管;不均匀性;专家;稳定性(机械性能);可锻铜合金;圆形;合格;铜管;涡流试验
【英文主题词】:Calibration;Circularshape;Consistency(mechanicalproperty);Copper;Copperalloys;Copperpipes;Eddy-currenttests;Errordetection;Experts;Inhomogen;Leakages;Qualifications;Seamlesspipes;Specification(approval);Testequipment;Testing;Wroughtcopperalloys
【摘要】:
【中国标准分类号】:H26
【国际标准分类号】:23_040_15;77_150_30
【页数】:8P.;A4
【正文语种】:英语


下载地址: 点击此处下载
Product Code:SAE AS9522
Title:Bolt, Machine, Hexagon Head, Steel, Cadmium Plated, .4375-20 Unjf-3a
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.【英文标准名称】:Informationtechnology-Keyboardlayoutsfortextandofficesystems-Part1:Generalprinciplesgoverningkeyboardlayouts
【原文标准名称】:信息技术.文本和办公设备用键盘布局.第1部分:键盘布局管理用一般原则
【标准号】:ISO/IEC9995-1-2006
【标准状态】:作废
【国别】:国际
【发布日期】:2006-09
【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/IECJTC1/SC35
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;数据处理设备;数据系统工程;定义;测定;总论;信息技术;键盘;键(键盘);布置;办公室设备;办公机器;位置;规范;打字机;用户接口
【英文主题词】:Dataprocessing;Dataprocessingequipment;Datasystemsengineering;Definitions;Determinations;Generalsection;Informationtechnology;Keyboards;Keys(keyboards);Layout;Officeequipment;Officemachines;Position;Specifications;Typewriters;Userinterface
【摘要】:lSO/IEC9995specifiesvariouscharacteristicsofkeyboardsusedbyinformationtechnologyequipment(ITE),e.g.a)personalcomputers,workstations,computerterminals,VDTs(visualdisplayterminals),typewriters,etc.,havinganalphanumerickeyboard;b)calculators,telephonesandautomatedtellermachineshavinganumerickeypad.ThekeyboarddefinedinlSO/IEC9995istheconventionallinearkeyboard,whichisphysicallydividedintosectionsandthesectionsintozoneswithinwhichthekeysarelaidout.InthispartoflSO/IEC9995,thesectionsofthekeyboardareidentifiedandthegeneralshapeandrelativeplacementofthesectionsarespecified.SpacingofkeysandphysicalcharacteristicsarecoveredinthispartoflSO/IEC9995,asaretheprinciplesgoverningtheplacementofcharactersandsymbolsonkeys.ThispartofISO/IEC9995specifiesakeynumberingsystemwhichappliestoalltypesofnumeric,alphanumericandcompositekeyboardsofITE.ThispartoflSO/IEC9995specifiestheprinciplesgoverningtheplacementofcharactersandsymbolsonkeysusedonalltypesofnumeric,alphanumericandcompositekeyboardsofITE.AlthoughthekeyboarddefinedbylSO/IEC9995maybeusedfordifferentlanguages,thespecificationsarewrittenasapplyingtoLatinlanguageswithacharacterpathfromlefttorightandalineprogressionfromtoptobottom.Theprimarylayoutwithinthealphanumericzoneisestablishedinmostcountriesbyanationalstandardorbynationalusage.AllocationguidelinesareprovidedinlSO/IEC9995-2.ComplementarylayoutsarespecifiedinlSO/lEC9995-3.ThispartoflSO/IEC9995definescharacteristicsrelatedtointerface1inFigure1.lSO/IEC9995specifiestheallocationoffunctions(graphiccharactersand/orcontrolfunctions)tokeys.Thegraphiccharactersandthecontrolfunctionshavebeengivencommonnamesintendedtobefamiliartotheusersofakeyboard.Ingeneral,keyboardsarenotexpectedtogeneratecodedcontrolfunctions,buttheoperationofacontrolfunctionkeymaycauseanumberofcodedcontrolfunctionstoappearindatainterchangetoachievethedesiredeffect.TheeffectsofthosekeysthataffectkeyboardstatesarespecifiedinotherpartsoflSO/IEC9995.
【中国标准分类号】:L63
【国际标准分类号】:35_180
【页数】:13P;A4
【正文语种】:英语