DIN ISO 14728-2-2005 滚动轴承.线性运动滚动轴承.第2部分:静态负载额定值
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【英文标准名称】:Rollingbearings-Linearmotionrollingbearings-Part2:Staticloadratings(ISO14728-2:2004)
【原文标准名称】:滚动轴承.线性运动滚动轴承.第2部分:静态负载额定值
【标准号】:DINISO14728-2-2005
【标准状态】:现行
【国别】:德国
【发布日期】:2005-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;滚珠轴承;数学计算;荷载能力;线性的;轴承;额定负荷;静荷载;滚珠导向装置;静态的;滚动轴承;寿命;符号;线性运动循环轴承;滚动元件
【英文主题词】:Ballbearings;Ballguides;Bearings;Definition;Definitions;Life(durability);Linear;Linearmotionrecirculatingbearings;Loadcapacity;Loadratings;Mathematicalcalculations;Rollingbearings;Rollingelements;Static;Staticloading;Symbols
【摘要】:ThispartofISO14728specifiesmethodsofcalculatingthebasicstaticloadrating,staticequivalentloadandstaticsafetyfactorforlinearmotionrollingbearingsmanufacturedfromcontemporary,commonlyused,highquality,hardenedbearingsteelinaccordancewithgoodmanufacturingpracticeandbasicallyofconventionaldesignasregardstheshapeoftherollingcontactsurfaces.ThispartofISO14728isnotapplicabletodesignswheretherollingelementsoperatedirectlyontheslidesurfaceofthemachineequipment,unlessthatsurfaceisequivalentinallrespectstotheracewayofthelinearmotionrollingbearingcomponentitreplaces.
【中国标准分类号】:J11
【国际标准分类号】:21_100_20
【页数】:13P.;A4
【正文语种】:英语
【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-17:Applicationlayerservicedefinition-Type17elements
【原文标准名称】:工业通讯网络.现场总线规范.第5-17部分:应用层设备定义.17型元件
【标准号】:IEC61158-5-17-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC65C
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);开放系统互连;操作技术;OSI;过程控制工程;服务设施;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Physicallayers;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThefieldbusApplicationLayer(FAL)providesuserprogramswithameanstoaccessthefieldbuscommunicationenvironment.Inthisrespect,theFALcanbeviewedasa“windowbetweencorrespondingapplicationprograms.”Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType17fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevarioustypesofIEC61158.ThisspecificationmaybeusedasthebasisforformalApplicationProgramming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofapplicationlayerentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisapplicationlayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofconformingapplicationlayerprotocolsthatfulfilltheType17applicationlayerservicesasdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_70;35_160
【页数】:60P;A4
【正文语种】:英语
【英文标准名称】:Milkandmilkproducts-Determinationofnitrateandnitritecontents-Part2:Methodusingsegmentedflowanalyses(Routinemethod)
【原文标准名称】:乳和乳制品硝酸盐和亚硝酸盐含量的测定第2部分：分层流分析法(常规法)
【标准号】:ISO14673-2-2001
【标准状态】:作废
【国别】:国际
【发布日期】:2001-11
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;牛奶;硝酸盐含量;亚硝酸盐含量;乳制品;化学分析和试验;含量测定;流量分析
【英文主题词】:
【摘要】:
【中国标准分类号】:X16
【国际标准分类号】:67_100_01
【页数】:20P;A4
【正文语种】:英语
