IEC 61129-1992 交流电流接地开关.感应电流开关

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【英文标准名称】:Alternatingcurrentearthingswitches;inducedcurrentswitching
【原文标准名称】:交流电流接地开关.感应电流开关
【标准号】:IEC61129-1992
【标准状态】:作废
【国别】:国际
【发布日期】:1992-02
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC17A
【标准类型】:()
【标准水平】:()
【中文主题词】:高压电器;交流开关;被感应的;接地开关;交流电流;开关
【英文主题词】:
【摘要】:
【中国标准分类号】:K31
【国际标准分类号】:29_120_40
【页数】:27P;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforAirSamplingStrategiesforWorkerandWorkplaceProtection
【原文标准名称】:工作者和工作场地防护用空气取样策略的标准指南
【标准号】:ASTME1370-1996(2008)
【标准状态】:现行
【国别】:美国
【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】:D22.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:airsampling;airsamplingstrategies;atmosphere;occupationalhealth;occupationalsafety;workerprotection;workplaceprotection;Airmonitoring;Bioassay;Contamination--atmospheric;Exposure(personnel);Healthhazards;Samplingair/atmospher
【摘要】:Todescribestandardapproachesusedtodetermineairsamplingstrategiesbeforeanyactualairsamplingoccurs.Forthemajorityofthepurposesforsampling,andforthemajorityofthematerialssampled,airsamplingstrategiesaremattersofchoice.Airsamplingintheworkplacemaybedoneforsingleormultiplepurposes.Conflictsarisewhenasingleairsamplingstrategyisexpectedtosatisfymultiplepurposes.Limitationsofcost,space,powerrequirements,equipment,analyticalmethods,andpersonnelrequirementsresultinanoptimumstrategyforeachpurpose.Astrategydesignedtosatisfymultiplepurposesmustbeacompromiseamongseveralalternatives,andwillnotbeoptimumforanyonepurpose.Thepurposeorpurposesofsamplingshouldbeexplicitlystatedbeforeasamplingstrategyisselected.Goodpractice,legalrequirements,costofthesamplingprogram,andtheusefulnessoftheresultsmaybemarkedlydifferentfordifferentpurposesofsampling.Thisguidewillnotaidintheevaluationofairsamplingdata.Thisguideisintendedforthosewhoarepreparingtoevaluatetheworkenvironmentofalocationbyairsampling,orwhowishtoobtainanunderstandingofwhatinformationcanbeobtainedbyairsampling.ThisworkwascommissionedbythecommitteeonOccupationalHealthandSafetybecausetherewasnodocumentavailablethatdrewtogetherinoneplacethemanydiversepiecesofinformationaboutairsamplingcoveredwithinit.Thisguidecannotbeusedasastand-alonedocumenttoevaluateanygivenairbornecontaminant.1.1Toprovidecriteriatobeusedindefiningairsamplingstrategiesforworkplacehealthandsafetymonitoringorevaluation,suchas:duration,frequency,number,location,method,equipment,andtiming.1.2WhensamplingisdonetodetermineiftheconditionsintheworkplaceareincompliancewithregulationsoftheU.S.OccupationalSafetyandHealthAdministration(OSHA),manyofthesecriteria,forspecifichazardoussubstances,arestatedin29CFR1910.
【中国标准分类号】:C51
【国际标准分类号】:13_040_30
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Classificationofenvironmentalconditions-Part4-2:GuidanceforthecorrelationandtransformationofenvironmentalconditionclassesofIEC60721-3totheenvironmentaltestsofIEC60068;Transportation
【原文标准名称】:环境条件分类.第4-2部分:IEC60721-3的环境条件类别与IEC60068的环境试验的相互关系及转换的指南.运输
【标准号】:IEC/TR60721-4-2Edition1.1-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-08
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC104
【标准类型】:()
【标准水平】:()
【中文主题词】:环境;环境试验;气候;环境影响;分类系统;试验条件;环境条件;分类;试验;运输;电气工程
【英文主题词】:Classification;Classificationsystems;Climate;Electricalengineering;Environment;Environmentalconditions;Environmentaleffects;Environmentaltesting;Testconditions;Tests;Transport;Trials
【摘要】:DealswiththecorrelationandtransformationoftheconditionsgiveninIEC60721-3-2totheenvironmentaltestsdefinedinIEC60068-2.Anenvironmentmayconsistofanumberofenvironmentalconditionssuchasdynamic,climaticandbiologicalandothe
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:90P.;A4
【正文语种】:英语