BS EN 24869-1-1991 声学.听力保护器.听力保护器的声衰减.主观测量法
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【英文标准名称】:Acoustics-Hearingprotectors-Soundattenuationofhearingprotectors-Subjectivemethodofmeasurement
【原文标准名称】:声学.听力保护器.听力保护器的声衰减.主观测量法
【标准号】:BSEN24869-1-1991
【标准状态】:现行
【国别】:英国
【发布日期】:1991-06-28
【实施或试行日期】:1991-06-28
【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】:声学测量;声学;衰减;听度;听觉阈;封闭式试验室;收敛;定义(术语);耳机上的橡皮护套;耳塞;护耳器;耳罩式保护装置;电气工程;绝缘;收听试验;失支听觉;测量;听阈测量;测量设备;测量结果;方法;测量方法;噪声;噪声抑制;噪声控制;噪声测量值;安全装置;信号;声音;隔音;声压;声压级;测试者;测试;振动工程
【英文主题词】:Acousticmeasurement;Acoustics;Attenuation;Audiobility;Auditorythreshold;Closedtestrooms;Convergence;Definitions;Earmuffs;Earplugs;Earprotectors;Ear-mufftypewearingprotectors;Electricalengineering;Insulations;Listeningtests;Lossofhearing;Measurement;Measurementofthresholdofaudibility;Measuringequipment;Measuringresults;Methods;Methodsformeasuring;Noise;Noiseabatement;Noisecontrol;Noisemeasurements;Safetydevices;Signals;Sound;Soundinsulation;Soundpressure;Soundpressurelevel;Testpersons;Testing;Vibrationengineering
【摘要】:Methodformeasuringsoundattenuationatthethresholdofhearing,givingconsistentlyreproduciblevalueswhichareclosetothemaximumattainablebutareunlikelytobeachievedinuse.
【中国标准分类号】:C73
【国际标准分类号】:13_340_20
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-NetworkFastByteProtocol
【原文标准名称】:信息技术开放系统互连网络快速字节协议
【标准号】:ISO/IEC14700-1997
【标准状态】:现行
【国别】:国际
【发布日期】:1997-06
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:数据处理;定义;电信;信息技术;网络层;传输协议;开放系统互连;信息交换;网络互连;协议
【英文主题词】:Dataprocessing;Definition;Definitions;Informationinterchange;Informationtechnology;Networkinterconnection;Networklayers;OSI;Protocols;Telecommunications;Transmissionprotocol
【摘要】:ThisRecommendation|InternationalStandardspecifies:a)procedureswhenoperatingovertheconnection-modedatalinkservicefortheconnection-modetransferofdataandcontrolinformationfromonenetworkentitytoapeernetworkentity;b)thestructureandencodingoftheNPDUsusedforthetransferofdataandcontrolinformation.Theproceduresaredefinedintermsof:a)theinteractionsbetweenpeernetworkentitiesthroughtheexchangeofNPDUs;b)theinteractionsbetweenanetworkentityandthenetworkserviceuserinthesamesystemthroughtheexchangeofnetworkserviceprimitives;c)theinteractionsbetweenanetworkentityandthedatalinkserviceproviderthroughtheexchangeofdatalinkserviceprimitives.TheseproceduresareapplicabletoinstancesofcommunicationbetweensystemswhichsupporttheNetworkLayeroftheOSIReferenceModelandwishtointerconnectintheopensystemsenvironmentusingtheNetworkFastByteProtocol.ThisRecommendation|InternationalStandardspecifies,inclause8,conformancerequirementsforsystemsimplementingtheseproceduresandprovidesthePICSproformaincompliancewiththerelevantrequirements,andinaccordancewiththerelevantguidance,giveninITU-TRec.X.296andISO/IEC9646-7.Itdoesnotcontaintestswhichcanbeusedtodemonstratethisconformance.
【中国标准分类号】:L79
【国际标准分类号】:35_100_30
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:Chemicaldesinfectantsandantiseptics-Quantitativesuspensiontestfortheevaluationofbactericidalactivityofchemicaldesinfectantsandantisepticsusedinfood,industrial,domestic,andinstitutionalareas-Testmethodandrequirements(phase2/
【原文标准名称】:测定食品、工业、家用和公共场所设备中化学消毒剂和防腐剂杀菌作用的定量悬浮液试验.试验方法和要求(第2阶段/1级)
【标准号】:DINEN1276-1997
【标准状态】:作废
【国别】:德国
【发布日期】:1997-08
【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】:定义;试验;规范(验收);防腐变剂;消毒剂;杀菌剂;医学科学;卫生学;食品;药液;测试方法;效率;定量分析;家用的;效率试验;工业
【英文主题词】:Agriculturalsafety;Agriculture;Antiseptics;Bacteria;Bacteriocides;Barraks;Chemicals;Definitions;Disinfectants;Disinfections;Domestic;Efficiency;Efficiencytesting;Equipment;Foodproducts;Foodstuff;Foodstuffmachine;Hygiene;Industries;Medicalsciences;Quantitativeanalysis;Specification(approval);Suspensiontests;Testmethods;Testresults;Testing
【摘要】:Thedocumentspecifiestestmethodsandrequirementsforthebactericidalactivityofchemicaldisinfectantsandantisepticsthatformahomogenous,physicallystablepreparationinwaterandthatareusedinfood,industrial,domesticandinstitutionalareas,excludingproductsusedonlivingtissuesexceptthoseforhandhygieneintheaboveconsideredareas.
【中国标准分类号】:C47
【国际标准分类号】:71_100_35
【页数】:19P.;A4
【正文语种】:德语