ASTM D6904-2003(2007) 砌筑体外涂层耐风雨的标准实用规程
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来源:标准资料网
【英文标准名称】:StandardPracticeforResistancetoWind-DrivenRainforExteriorCoatingsAppliedonMasonry
【原文标准名称】:砌筑体外涂层耐风雨的标准实用规程
【标准号】:ASTMD6904-2003(2007)
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D01.47
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:wind-drivenrainresistance
【摘要】:1.1Thispracticeisfortheevaluationoftheabilityofcoatingstoresistthepassageofwaterthroughmasonryblockwhenexposedtowatersprayandairpressure.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q17
【国际标准分类号】:91_080_30
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology-Codingofaudio-visualobjects-Part5:ReferenceSoftwareAMENDMENT4:IPMPXreferencesoftwareextensions
【原文标准名称】:信息技术.视听对象编码.第5部分:参考软件.修改件4:IPMPX参考软件扩展
【标准号】:ANSI/INCITS/ISO/IEC14496-5AMD4-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声信号;视听的;代码表示;编码(数据转换);计算机软件;数据处理;编码;(数据)格式;图形数据处理;图像处理;信息交换;信息技术;多媒体;对象;参考材料;参考;视频信号
【英文主题词】:Acousticsignals;Audiovisual;Codedrepresentation;Coding(dataconversion);Computersoftware;Dataprocessing;Encoding;Formats;Graphicdataprocessing;Imageprocessing;Informationinterchange;Informationtechnology;MPEG;Multimedia;Object;Referencematerials;References;Videosignals
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语
【英文标准名称】:Statictransfersystems(STS)-Electromagneticcompatibility(EMC)requirements
【原文标准名称】:静态转换系统(STS).电磁兼容性(EMC)要求
【标准号】:BSEN62310-2-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-03-30
【实施或试行日期】:2007-03-30
【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】:组件;定义;电力变换器;电力系统;电气工程;电气安全性;电驱动装置;电磁兼容性;电子工程;电子设备及元件;EMC;检验;使用条件;电力电子学;安全性;安全规则;安全性要求;半导体器件;半导体;规范(验收);测试;可不中断的;不中断电力系统
【英文主题词】:Components;Definition;Definitions;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Inspection;Operatingconditions;Powerelectronics;Safety;Safetyregulations;Safetyrequirements;Semiconductordevices;Semiconductors;Specification(approval);Testing;Uninterruptable;Uninterruptiblepowersystems
【摘要】:TheIEC62310seriesappliestofreestandingoperationa.c.statictransfersystems(STS)intendedtoensurethecontinuityofloadsupplythroughcontrolledtransfer,withorwithoutinterruptionofpower,fromtwoormoreindependenta.c.sources.TheIEC62310seriesincludesrequirementsfortheswitchingelements,theircontrolandprotectiveelements,whereapplicable.TheIEC62310seriesalsoincludesinformationfortheoverallintegrationoftheSTSanditsaccessoriesintothea.c.powernetwork.Thisstandardappliestosystemsupto1000Va.c.whichareintendedtobeusedinsinglephase,phase-phaseorthree-phaseapplicationsThispartofIEC62310isintendedasaproductstandardallowingtheEMCconformityassessmentofproductsofcategoriesC1,C2andC3asdefinedinClause4,beforeplacingthemonthemarket.EquipmentofcategoryC4istreatedasafixedinstallation.Checkingisgenerallydoneafterinstallationinitsfinalplaceofuse.Sometimespartialcheckingmaybedonebefore.SeeAnnexE.ThispartofIEC62310takesprecedenceoverallaspectsofthegenericstandards,andnoadditionaltestingisnecessary.TherequirementshavebeenselectedsoastoensureanadequatelevelofElectromagneticCompatibility(EMC)forSTSatpublicandindustriallocations.Theselevelscannot,however,coverextremecaseswhichmayoccurinanylocation,butwithextremelylowprobabilityofoccurrence.IttakesintoaccountthedifferingtestconditionsnecessarytoencompasstherangeofphysicalsizesandpowerratingsofSTS.ASTS,whetherpresentedasaunitoranassemblyofunitsshallmeettherelevantrequirementsofthispartofIEC62310asastand-aloneproduct.EMCphenomenaproducedbyanysupplyorloadconnectedtotheinputoroutputoftheSTSequipmentshallnotbetakenintoaccount.Thisstandarddoesnotapplyto:–devicesford.c.sourceswitching;–singlesourcesystems;–transfersystemsusingonlyelectromechanicalswitchingdevicesintendedtobeusedinemergencypowersystemswithinterruptionofthesupplytotheloadduringtransfer;NOTE1SuchequipmentiscoveredbyIEC60947-6-1.–automaticswitchingdevicesintegratedintoUninterruptiblePowerSystems(UPS)coveredbytheIEC62040series.ThispartofIEC62310concernsElectromagneticCompatibility(EMC).SeeIEC62310-1forgeneralandsafetyrequirements.Specialinstallationenvironmentsarenotcovered,norarefaultconditionsofSTStakenintoaccount.Thisstandardspecifies:–EMCrequirements;–testmethods;–minimumperformancelevels.
【中国标准分类号】:L06
【国际标准分类号】:29_200
【页数】:42P.;A4
【正文语种】:英语
