BS 3F 121-1995 航空航天用金属滑动紧固件规范
时间:2024-05-15 14:57:34 来源: 标准资料网 作者：标准资料网 阅读：8323
【英文标准名称】:Specificationformetallicslidefastenersforaerospacepurposes
【原文标准名称】:航空航天用金属滑动紧固件规范
【标准号】:BS3F121-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-12-15
【实施或试行日期】:1995-12-15
【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】:精整;霉菌防护剂;性能;拉链;检验;机织物;名称与符号;抗拉试验;航空运输工程;带织物;等级(质量);飞行器部件;金属;尺寸公差;耐化学性试验;作标记;断裂荷载;试验设备;窄条带材;合金;机械试验;力
【英文主题词】:Airtransportengineering;Aircraftcomponents;Alloys;Breakingload;Chemical-resistancetests;Designations;Dimensionaltolerances;Finishes;Force;Fungusproofing;Grades(quality);Inspection;Marking;Mechanicaltesting;Metals;Narrowfabrics;Performance;Slidefasteners;Tape;Tensiletesting;Testequipment;Wovenfabrics
【摘要】:ThisBritishStandardspecifiesrequirementsfortwodesignationsofmetallicslidefastenersforaerospacepurposes.NOTE.Theinformationtobosuppliedbythepurchaserinthecontract,ororderislistedinannexA.
【中国标准分类号】:V20
【国际标准分类号】:49_030_99
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:IntegratedServicesDigitalNetwork(ISDN)-AttachmentrequirementsforterminalequipmenttoconnecttoanISDNusingISDNbasicaccess-Layer3aspects;EnglishversionETS300104:1991/A1:1994
【原文标准名称】:综合服务数字网络(ISDN).使用ISDN的基本通路连接ISDN的终端设备的连接要求.第3层标号;英文版本ETS300104:1991/A1:1994
【标准号】:DINETS300104/A1-1994
【标准状态】:现行
【国别】:德国
【发布日期】:1994-11
【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】:基础终端;接口;连接;通信设备;通信网;终端装置;协议;终端;物理层;电气工程;电信;电信;条件;电信系统;综合服务数字网络;规范(批准)
【英文主题词】:Baseterminals;Communicationequipment;Communicationnetworks;Communications;Conditions;Connections;Electricalengineering;Integratedservicesdigitalnetwork;Interfaces(dataprocessing);ISDN;Physicallayers;Protocols;Specification(approval);Telecommunication;Telecommunicationsystems;Telecommunications;Terminaldevices;Terminals
【摘要】:ThedocumentamendmentA1containsmodificationsofthesubclauses2.2.1.2,2.2.1.3,2.2.2.1,2.2.2.4andofannexA.#,,#
【中国标准分类号】:M11
【国际标准分类号】:33_080
【页数】:11P.;A4
【正文语种】:德语
【英文标准名称】:High-voltageswitchgearandcontrolgear-Part105:Alternatingcurrentswitch-fusecombinations
【原文标准名称】:高压开关设备和控制设备.交流电路开关熔断器组合
【标准号】:BSEN62271-105-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2004-09-02
【实施或试行日期】:2004-09-02
【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】:
【英文主题词】:
【摘要】:ThispartofIEC62271appliestothree-poleunitsforpublicandindustrialdistributionsystemswhicharefunctionalassembliesofswitchesincludingswitch-disconnectorsandcurrent-limitingfusesdesignedsoastobecapableof-breaking,attheratedrecoveryvoltage,anycurrentuptoandincludingtheratedshort-circuitbreakingcurrent,-making,attheratedvoltage,circuitstowhichtheratedshort-circuitbreakingcurrentapplies.Itdoesnotapplytofuse-circuit-breakers,fuse-contactors,combinationsformotor-circuitsortocombinationsincorporatingsinglecapacitorbankswitches.Inthisstandard,theword"combination"isusedforcombinationinwhichthecomponentsconstituteafunctionalassembly.Eachassociationofagiventypeofswitchandagiventypeoffusedefinesonetypeofcombination.Inpractice,differenttypesoffusesmaybecombinedwithonetypeofswitch,whichgivesseveralcombinationswithdifferentcharacteristics,inparticularconcerningtheratedcurrents.Moreover,formaintenancepurposes,theusershouldknowthetypesoffusesthatcanbeassociatedtoagivenswitchwithoutimpairingcompliancetothestandard,andthecorrespondingcharacteristicsoftheso-madecombination.Aswitch-fusecombinationisthendefinedbyitstypedesignationandalistofselectedfusesisdefinedbythemanufacturer,theso-called"referencelistoffuses".Compliancewiththisstandardofagivencombinationmeansthateverycombinationusingoneoftheselectedfusesisproventobeincompliancewiththisstandard.Thefusesareincorporatedinordertoextendtheshort-circuitbreakingratingofthecombinationbeyondthatoftheswitchalone.Theyarefittedwithstrikersinorderbothtoopenautomaticallyallthreepolesoftheswitchontheoperationofafuseandtoachieveacorrectoperationatvaluesoffaultcurrentabovetheminimummeltingcurrentbutbelowtheminimumbreakingcurrentofthefuses.Inadditiontothefusestrikers,thecombinationmaybefittedwitheitheranover-currentreleaseorashuntrelease.NOTEInthisstandardtheterm"fuse"isusedtodesignateeitherthefuseorthefuse-linkwherethegeneralmeaningofthetextdoesnotresultinambiguity.Thisstandardappliestocombinationsdesignedwithratedvoltagesabove1kVuptoandincluding52kVforuseonthree-phasealternatingcurrentsystemsofeither50Hzor60Hz.FusesarecoveredbyIEC60282-1.Switches,includingtheirspecificmechanism,shouldbeinaccordancewithIEC60265-1exceptfortheshort-timecurrentandshort-circuitmakingrequirementswherethecurrent-limitingeffectsofthefusesaretakenintoaccount.EarthingswitchesforminganintegralpartofacombinationarecoveredbyIEC62271-102.
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:54P.;A4
【正文语种】:英语