【英文标准名称】:HomeandBuildingElectronicSystems(HBES)-Part2-2:Systemoverview-Generaltechnicalrequirements;GermanversionEN50090-2-2:1996+Corrigendum:1997+A1:2002+A2:2007
【原文标准名称】:住宅和建筑物电子系统(HBES).第2-2部分:系统概述.一般技术要求
【标准号】:DINEN50090-2-2-2007
【标准状态】:作废
【国别】:德国
【发布日期】:2007-11
【实施或试行日期】:2007-11-01
【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】:建筑设计;基本家用设备;建筑物服务设施;建筑物;总线系统;总线;公共汽车;布线;电路网络;通信;通信系统;通讯系统(建筑物);配置;控制;控制系统;数据传送;定义;家用电气设备;电力系统;电气工程;电气设备;电子的;电子工程;电子驱动装置;电磁兼容性;环境条件;功能单元;家用(安装)设备;接口(数据处理);电气连接件接口;开放系统互连;OSI;协议;记录;参考模型;可靠度;安全;安全要求;规范(验收);系统总线;系统工程;拓扑学
【英文主题词】:Architecturaldesign;Basicdomesticfacilities;Buildingservices;Buildings;Bussystems;Buses(dataprocessing);Buses(vehicles);Cabling;Circuitnetworks;Communication;Communicationsystems;Communicationsystems(buildings);Configuration;Control;Controlsystems;Datatransfer;Definition;Definitions;Domesticelectricalinstallations;Electricpowersystems;Electricalengineering;Electricalequipment;Electronic;Electronicengineering;Electronically-operateddevices;EMC;Environmentalcondition;Functionalunits;Houseinstallations;Interfaces(dataprocessing);Interfacesofelectricalconnections;Opensystemsinterconnection;OSI;Protocols;Records;Referencemodel;Reliability;Safety;Safetyrequirements;Serviceinstallationsinbuildings;Specification(approval);Systembus;Systemengineering;Topology
【摘要】:
【中国标准分类号】:P07
【国际标准分类号】:97_120
【页数】:46P.;A4
【正文语种】:德语


【英文标准名称】:StandardPracticeforDeterminingTotalImageUnsharpnessinRadiology
【原文标准名称】:应用放射学测定整体图像不清晰度的标准实施规程
【标准号】:ASTME2002-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:contrastsensitivitygauge;gammaray;imagingsystem;radiation;radiationenergy;spatialresolution;totalimageunsharpness;x-ray;Contrastsensitivity;Imageanalysis--radiographictesting;Radiationexposure;Radiologicalexamination;Spatia
【摘要】:Thegaugeisintendedtoprovideameansformeasuringtotalimageunsharpnessasindependentlyaspracticablefromtheimagingsystemcontrastsensitivitylimitations.FurtherdescriptionanddetailsofthegaugeareprovidedinEN-462-5:1994.Thegaugecanbeusedinconjunctionwithacontrastsensitivitymeasuringgauge,asdescribedinPracticeE1647.1.1Thispracticecoversthedesignandbasicuseofagaugeusedtodeterminethetotalimageunsharpnessofradiographsandradioscopicsystems.1.2ThispracticeisapplicabletoradiographicandradioscopicimagingsystemsutilizingX-rayandgammarayradiationsources.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thegaugedescribedcanbeusedeffectivelywithradiationenergiesupto400kv.Whenusingenergiesinthemegavoltrangetheresultsmaynotbecompletelysatisfactory.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:
【页数】:3P.;A4
【正文语种】:英语