JIS T7315-2000 眼科光学.非切割的精加工眼镜镜片.累加光焦度镜片

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【英文标准名称】:Informationtechnology.Genericcablingsystems.Datacentres
【原文标准名称】:信息技术.综合布线系统.数据中心
【标准号】:BSEN50173-5-2007+A1-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2007-08-31
【实施或试行日期】:2007-08-31
【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】:编织外壳;建筑物;布线;电路网络;通信电缆;通讯系统(建筑物);连接工程;连接工艺;铜电缆;数据处理;数据传输;定义(术语);效率;电气装置;电磁兼容性;电磁兼容性(EMC);信息交换;信息技术;装置;场所;办公室设备;光波导;性能;计划;功率容量;特性;防护屏蔽;规范(验收);结构;对称的;系统管理;电信;试验;拓扑学;传输
【英文主题词】:Braidshieldings;Buildings;Cabling;Circuitnetworks;Communicationcables;Communicationsystems(buildings);Connectionengineering;Connectiontechnology;Coppercable;Dataprocessing;Datatransmission;Definitions;Efficiency;Electricalinstallations;Electromagneticcompatibility;EMC;Informationinterchange;Informationtechnology;Installations;Locations;Officeequipment;Opticalwaveguides;Performance;Planning;Power-handlingcapacity;Properties;Shields;Specification(approval);Structure;Symmetrical;Systemmanagement;Telecommunications;Testing;Topology;Transmission
【摘要】:ThisEuropeanStandardspecifiesgenericcablingthatsupportsawiderangeofcommunicationsservicesforusewithinadatacentre.Itcoversbalancedcablingandopticalfibrecabling.ThisEuropeanStandardisbaseduponandreferencestherequirementsofEN50173-1.ThisEuropeanStandardcontainsadditionalrequirementsthatareappropriatetodatacentresinwhichthedistanceoverwhichcommunicationsserviceshavetobedistributedisthemaximumdefinedforbackbonecablingimplementationswithinEN50173-1.TheprinciplesofthisEuropeanStandardmayalsobeappliedtoinstallationsthatdonotfallwithinthisrange.InadditiontotherequirementsofEN50173-1,thisEuropeanStandardspecifies:a)amodifiedstructureandconfigurationforgenericcablingwithindatacentresusedtosupportexistingandemergingapplications;b)implementationoptionstoreflectthequantityofconnectionsrequiredindatacentreinfrastructures;c)requirementsthatreflecttherangeofoperatingenvironmentswithindatacentres.Safety(electricalsafetyandprotection,fire,opticalpoweretc.)andelectromagneticcompatibility(EMC)requirementsareoutsidethescopeofthisEuropeanStandardandarecoveredbyotherstandardsandregulations.However,informationgiveninthisEuropeanStandardmaybeofassistanceinmeetingthesestandardsandregulations.
【中国标准分类号】:M11
【国际标准分类号】:33_040_50
【页数】:36P.;A4
【正文语种】:英语


【英文标准名称】:Compressionmouldsandinjectionmoulds;dimensionaltolerancesformouldingparts
【原文标准名称】:压缩模具和注射模具.模制零件的尺寸公差
【标准号】:DIN16749-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-07
【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】:压力设备;尺寸;尺寸公差;喷射铸造法;机床部件;模型;材料变形设备;塑料加工机械;公差;压模;工具
【英文主题词】:Applications;Compressionmoulds;Dimensionaltolerances;Dimensions;Injectionmoulding;Machinetoolcomponents;Material-deformingtools;Patterns(productionengineering);Plasticsprocessings;Plastics-workingmachinery;Presstools;Presses;Terms;Tolerances(measurement);Toolcomponents;Tools
【摘要】:Thisstandardisvalidtosimplifytheconstructionwork.Accordingtothisstandardthemeasuringtolerancesforformingsplitsofcompressionmouldsandinjectionmouldsshallbechoosed.
【中国标准分类号】:J04
【国际标准分类号】:83_200
【页数】:3P.;A4
【正文语种】:德语