DIN EN 301460-3-2001 固定无线电系统.点对多点设备.第3部分:低于1GHz的点对多点数字无线电系统.FH-CDMA系统附加参数
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【英文标准名称】:FixedRadioSystems-Point-to-pointequipment-Part3:Point-to-multipointdigitalradiosystemsbelow1GHz;AdditionalparametersforFH-CDMAsystems(EndorsementoftheEnglishversionEN301460-3V1.1.1(2000-10)asGermanstandard)
【原文标准名称】:固定无线电系统.点对多点设备.第3部分:低于1GHz的点对多点数字无线电系统.FH-CDMA系统附加参数
【标准号】:DINEN301460-3-2001
【标准状态】:现行
【国别】:德国
【发布日期】:2001-12
【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】:参数;电气工程;数字工程;无线电装置;多路复用;传输技术;信号传输;无线电工程;传输特性
【英文主题词】:Digitalengineering;Electricalengineering;Multiplex;Parameters;Radioengineering;Radiosystems;Signaltransmission;Transmissioncharacteristics;Transmissiontechnique
【摘要】:Thedocumentspecifiesrequirementsinthetelecommunicationssector.
【中国标准分类号】:M36
【国际标准分类号】:33_060_30
【页数】:1P;A4
【正文语种】:德语
【英文标准名称】:Firetestsonbuildingmaterialsandstructures-Methodfordeterminationofthefireresistanceofventilationducts
【原文标准名称】:建筑材料和结构的燃烧试验.第24部分:通风管道耐火性的测定方法
【标准号】:BS476-24-1987
【标准状态】:现行
【国别】:英国
【发布日期】:1987-05-29
【实施或试行日期】:1987-05-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:试验条件;通风设备;性能;建筑系统构件;试验设备;燃烧试验;耐火性;试样;试验压力;通风道工程;试样制备;尺寸;防止火灾扩散;挡火墙;管廊;试验持续时间
【英文主题词】:Buildings;Constructionsystemsparts;Determination;Fireresistance;Firetests;Surfacespreadofflame;Testequipment;Testing;Tests;Ventilatingstacks;Ventilation;Ventilationductwork
【摘要】:1ThisInternationalStandardspecifiesamethodoftestandcriteriaforthedeterminationofthefireresistanceofver-ticalandhorizontalventilationductsunderstandardizedfireconditions.2Thegeneralpurposeofthistestistomeasuretheabilityofarepresentativeductorductassemblytoresistthespreadoffirefromonefirecompartmenttoanotherwithouttheaidoffiredampers.3Itisapplicabletoverticalandhorizontalducts,withorwithoutbranches,takingintoaccountjoints,airsupplyandex-haustopenings,aswellassuspensiondevices,etc.4ThisInternationalStandardisnotapplicableto:a)ductsabovefire-resistingsuspendedceilings(horizon-talmembranes)inthosecaseswheretheductsrelyfortheirfireresistanceontheperformanceoftheceiling;NOTE—Othertestsarenecessaryfortheseducts.b)ductscontainingfiredampersatpointswheretheypassthroughfireseparations.NOTE—Inordertoassessthefireresistanceoffiredampers,othertestsarerequired.Amethodoftestforfiredampersisundercon-siderationasasubjectforafutureInternationalStandard.5ThisInternationalStandardisnotappropriateforthefollowingductsunlessthefurthercriteriadescribedinthean-nexareestablishedtothesatisfactionoftheappropriateauthority:a)ductsofmaterialswhichareextremelysensitivetother-malshock;NOTE—Thermalshockmayaffectsuchductsinawaythatwoulddifferfromtheeffectinthistest,butthetestmaystillbeusedwhereitcanbeestablishedthatsensitivitytothermalshockiswithinacceptablelimits.b)smokeoutletducts;NOTE—Theseductsneedtoretaintheirintegrityandcross-sectionalareaunderfireconditions.Consequentlycriteriaforac-ceptanceadditionaltothosegiveninthisInternationalStandardarerequired.ThisInternationalStandardisonlyapplicable,therefore,tosmokeoutletductsifthecriteriaforintegrityfailureofarepresentativesmokeoutletductwithinthefurnaceandthelossofretentionofcross-sectionalareaofsuchductsareagreedbetweenallpartiesconcernedandareinvestigatedandreported(seetheannex).c)ductslinedontheinsidewithcombustiblematerialorwhichinpracticemayaccumulatecombustibledepositsontheirinsideface(suchaskitchenextractducts).NOTE—Additionalcriteriaregardingtheinsulationperformanceoftheductarerequiredinthiscase(seetheannex).6ThisInternationalStandarddoesnottakeintoconsidera-tiontheeffectofimpactshockloadingonductsduetothecol-lapseofsupportingoradjacentstructuralmembersorothercomponents,orofimpact-orthermalshockloadingresultingfromtheapplicationofawater(hose)stream.NOTE—ThemethoddescribedinthisInternationalStandardshouldbeusedsolelytomeasureanddescribethepropertiesofductsandtheirsupportsinresponsetoheatandflameundercontrolledlaboratoryconditionsandshouldnotbyitselfbecon-sideredorusedforthedescription,appraisalorregulationofthefirehazardofsuchductsorsupportsunderactualfirecon-ditions.
【中国标准分类号】:Q10;P16
【国际标准分类号】:13_220_50;91_140_30
【页数】:24P;A4
【正文语种】:英语
基本信息
标准名称: | 胶管接头通舱管件规范 |
中标分类: |
船舶 >>
船舶管路附件 >>
船用管件 |
ICS分类: |
造船和海上建筑物 >>
船舶和海上建筑物综合 >>
管路系统
|
替代情况: | CB 244-77 |
发布日期: | 1995-12-19 |
实施日期: | 1996-08-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 7页 |
适用范围
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前言
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目录
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引用标准
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所属分类: 船舶 船舶管路附件 船用管件 造船和海上建筑物 船舶和海上建筑物综合 管路系统