DIN EN 13487-2004 热交换器.强制对流空气冷却制冷剂凝结器和干式冷却机.声音测量
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【英文标准名称】:Heatexchangers-Forcedconvectionaircooledrefrigerantcondensersanddrycoolers-Soundmeasurement;GermanversionEN13487:2003
【原文标准名称】:热交换器.强制对流空气冷却制冷剂凝结器和干式冷却机.声音测量
【标准号】:DINEN13487-2004
【标准状态】:现行
【国别】:德国
【发布日期】:2004-03
【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】:定义;测量值;热环境系统;规范(验收);干式冷却塔;制冷;试验;声级;声强;制冷剂;试验条件;通风机;测量;冷凝器;热交换器;声学测量;测量技术;液冷系统
【英文主题词】:
【摘要】:Thisstandardspecifiesmethodsforuniformassessmentandtherecordingof:-theA-weightedsoundpowerlevel;-thesoundpowerspectrum;-acalculationmethodforanoverallaveragesoundpressurelevelatagivendistance.Amongthesedata,"thesoundpowerlevelistheonlyunambiguouscharacteristic.Thisstandardisapplicableto:-forcedconvectionaircooledrefrigerantcondensersasspecifiedinENV327;-aircooledliquidcoolers""drycoolers""asspecifiedinENV1048.#",,#
【中国标准分类号】:J75
【国际标准分类号】:17_140_20;27_060_30
【页数】:20P;A4
【正文语种】:德语
【英文标准名称】:Determinationofparticlesizedistributions.Electricalsensingzonemethod
【原文标准名称】:粒度分布的测定.电感区法
【标准号】:BSISO13319-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【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】:定义;测定;电场;电解;粒度;粒度分布;颗粒;筛选(大小);筛分
【英文主题词】:Definition;Determination;Electricfields;Electrolysis;Particlesize;Particlesizedistribution;Particles;Screening(sizing);Sieving
【摘要】:ThisInternationalStandardgivesguidanceonthemeasurementofthesizedistributionofparticlesdispersedinanelectrolytesolutionusingtheelectricalsensingzonemethod.Themethodmeasurespulseheightsandtheirrelationshiptoparticlevolumesordiameters,anditreportsintherangefromapproximately0,4umtoapproximately1200um.Itdoesnotaddressthespecificrequirementsofthemeasurementofspecificmaterials.However,guidanceonthemeasurementsofconductingmaterialssuchasporousmaterialsandmetalpowdersisgiven.
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:44P.;A4
【正文语种】:英语
【英文标准名称】:StandardPerformanceSpecificationforPadlocks
【原文标准名称】:挂锁的标准性能规范
【标准号】:ASTMF883-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:F12.50
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:性能;最终制品;锁;挂锁
【英文主题词】:cuttingshackle;padlockimpact;padlocktesting;saltUVtesting;shacklewedge
【摘要】:1.1Thisspecificationcoversenvironmental,functional,operational,andsecurityrequirementsforpadlocks.Includedarefunctiondescriptions,cycletests,operationaltests,environmentaltests,forcingtests,andsurreptitiousentrytests.NoefforthasbeenmadetoincludecriteriaforspeciallymadepadlocksusedbytheDepartmentofDefenseorothersinhighlysensitivelocations.1.2Thisspecificationdescribesandgradesvariouslevelsofperformancetoprovideusersofthespecificationwithcriteriauponwhichtoselectsuitablepadlocks.1.3Testsdescribedarelaboratorytestsandalthoughtheysimulatefieldconditionsastoattacksortheenvironment,theydonotduplicatetheseconditions.Testsdescribedarerepeatableinthelaboratory.1.4Someusersofthisspecificationmaywishtousepadlocksthathavespecialattributesnotrelatedtosecurity.Thesearefoundin4.3.1.5ThevaluesstatedinSIunitsaretoberegardedasthestandard.Theinch-poundunitsgiveninparenthesesareprovidedforinformationonly.1.6Thefollowingprecautionarycaveatpertainsonlytothetestmethodportions,Sections8-11,ofthisspecification:Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Y73
【国际标准分类号】:91_190
【页数】:10P.;A4
【正文语种】: