UL 248-14-1994 低压熔断器.第14部分:补充熔断器
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【英文标准名称】:Low-voltagefuses-Part14:Supplementalfuses
【原文标准名称】:低压熔断器.第14部分:补充熔断器
【标准号】:UL248-14-1994
【标准状态】:作废
【国别】:美国
【发布日期】:1994-10
【实施或试行日期】:
【发布单位】:美国保险商实验所(UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:低压熔断器;安全要求;电压;分类系统;电气工程;试验;设计;电气安全;熔断器
【英文主题词】:fuses;voltage;design;safetyrequirements;electricalsafety;electricalengineering;testing;classificationsystems;low-voltagefuses
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_50
【页数】:13P;A4
【正文语种】:英语
【英文标准名称】:StandardGuideforPreparingaMeasurementPlanforConductingOutdoorSoundMeasurements
【原文标准名称】:进行室外噪声测量的测量方案的拟定用标准指南
【标准号】:ASTME1779-1996a(2004)
【标准状态】:现行
【国别】:
【发布日期】:1996
【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】:E33.09
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:声音;时间;风;大气影响;试验;噪声级测量;带;声级测量的统计;平均声级;气象条件;百分位数声级测量;低;声学环境;伴随;公众噪声;进行室外噪声测量;拟定一个测量方案;方向性;设备噪音;分倍频程;脉冲声音测量;倍频程;室外噪声级测量;结构振动;无伴音;地面;干扰;导则;声传输
【英文主题词】:acousticalenvironment;attended/unattendedmeasurement;calibrationmicrophone;durationmeasurement;impulsivesoundleveldata;low-frequencysoundleveldata;measurementprecautions;measurementschedule;measurementprocedures;measurementlo
【摘要】:1.1Thisguidecoversthepreparationofaformalplanformeasurementofoutdoorsoundlevels.Adocumented,detailedplanishighlydesirableandusefulformajorenvironmentalnoisestudiesrequiringmeasurementsatseverallocationsoveralongperiod.Thisguideisintendedprimarilyforuseinsuchcases.Manysimplemeasurementscanbemadewithoutextensivepriorplanningordocumentation.Itisrecommendedthatpersonsororganizationsroutinelyperformingsuchmeasurementsdraftanduseabriefgenericplanbasedon,butnotreferencing,thisguide.Note1Theextentofplanningandplandocumentationshouldbeconsistentwiththebudgetandneedsoftheproject.Inalargemeasurementprogramitispossiblethatuseofaformalmeasurementplancouldresultincostsavingsgreaterthanthecostofpreparingtheplan.Aformaldocumentedplancanbepreparedforeventhesimplestmeasurement.However,onasmallproject,thecostofpreparationofaformalplanmaynotbecosteffective.Insuchcases,plandocumentationcouldbelimitedtoinclusioninthefinalreport.1.1.1Thisguideaddressesthefollowingaspectsofoutdoorsoundlevelmeasurements:1.1.2TestMethodE1503forConductingOutdoorSoundMeasurementsUsingaDigitalStatisticalAnalysisSystemaddresseslistedaspectsofoutdoorsoundlevelmeasurementsforsituationsthatarenormallyencountered.Manyotherformalandinformalpracticesalsoaddressmostoftheseissues.However,thereissometimesaneedtodepartfromthenormalmethodsinordertoaccommodateaspecialsituationoraregulatoryrequirement.Thisguideprovidesoptionsthataretechnicallycorrectforspecificsituations,andprovidestheinformationneededforselectingappropriateoptions.1.1.3Thisguidemaybeusedwhenplanningaprogramforobtainingeitherasinglemeasurementsetofsoundleveldataormultiplesetsofdata,aswellasrelatedsupportingdata.1.2Measurementsthatmaybeplannedusingthisguideinclude,butarenotlimited,tothefollowing:1.2.1Characterizationoftheacousticalenvironmentofasite.1.2.2Characterizationofthesoundemissionsofaspecificsoundsourcethatexhibitsatemporalvariationinsoundoutput.1.2.3Measurementoflow-frequencysound(infra-sound)isincludedbecauseitissometimesimplicatedindrivingstructuralvibrationthattranslatestoaudibleinteriorsound.1.2.4Measurementofimpulsivesoundandsoundwithsignificanttonalcontent.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z32
【国际标准分类号】:
【页数】:17P.;A4
【正文语种】:
【英文标准名称】:Fences-Specificationforopenmeshsteelpanelfences
【原文标准名称】:栅栏.开放筛网钢片栅栏用规范
【标准号】:BS1722-14-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-11-30
【实施或试行日期】:2006-11-30
【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】:防盗措施;防破坏措施;障碍物;合格证明书;混凝土;防腐蚀;犯罪预防装置;尺寸;架设(施工作业);栅栏柱;栏栅;基础;大门;等级(质量);装配;负荷;筛网;定货;板条;钢;支撑物
【英文主题词】:Anti-burglarmeasures;Anti-vandalismmeasures;Barriers;Certificatesofconformity;Concretes;Corrosionprotection;Crimepreventiondevices;Dimensions;Erecting(constructionoperation);Fenceposts;Fences;Foundations;Gates;Grades(quality);Installation;Loading;Meshes;Ordering;Panels;Steels;Supports
【摘要】:ThispartofBS1722specifiesrequirementsforthefollowingcategoriesofopenmeshsteelpanelfences:a)Category1:generalpurposefencesupto2400mmhigh.b)Category2:securityfencesatleast2400mmhigh.c)Category3:highsecurityfencesatleast3000mmhigh.d)Category4:extrahighsecurityfencesatleast3000mmhigh.RequirementsfortheperformanceofpanelfencesforthisstandardarebaseduponloadingsdescribedinClause5.Maintenanceofthefenceafterinstallationisoutsidethescopeofthestandard.
【中国标准分类号】:Q73
【国际标准分类号】:91_090
【页数】:36P.;A4
【正文语种】:英语
