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BS EN 60297-5-102-2001 电子设备机械结构.482,6mm(19in)系列机械结构尺寸.插入元件电磁屏蔽条款

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【英文标准名称】:Mechanicalstructuresforelectronicequipment-Dimensionsofmechanicalstructuresofthe482.6mm(19in)series-Subracksandassociatedplug-inunits-Electromagneticshieldingprovision
【原文标准名称】:电子设备机械结构.482,6mm(19in)系列机械结构尺寸.插入元件电磁屏蔽条款
【标准号】:BSEN60297-5-102-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-10-26
【实施或试行日期】:2001-10-26
【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】:电磁学;电子设备及元件;尺寸;电磁场;储藏设备;电磁辐射;电插头;支架;电屏蔽;防护屏蔽;互换性
【英文主题词】:Assemblies;Design;Dimensions;Electricplugs;Electricalcomponents;Electricalengineering;Electromagneticcompatibility;Electromagneticproperties;Electronicengineering;Electronicequipment;EMC;Encoding;Erecting(constructionoperation);Frontpanels;Mechanic;Mechanicalproperties;Modular;Plug-inunits;Printed-circuitboards;Replaceability;Representations;Series;Shields;Structuralsystems;Subracks;Suitableforplug-inconnection;19inchseries;482,6mmseries
【摘要】:ThispartofIEC60297coverstheextendedfeaturesofelectromagneticshieldingprovisionaddedtosubracksandplug-inunitswithfrontpanelsaccordingtoIEC60297-3,IEC60297-4andIEC60297-5-107.Byimplementingthisextendedfeaturetothesubracksandplug-inunits,anewsubrackandplug-inunittype(incompatiblewithIEC60297-3andIEC60297-4)iscreated.Thepurposeofthisstandardistospecifydimensionswhichwillensuredimensionalinterchangeabilityofsubracksandassociatedplug-inunitsusingtheextendedfeaturesofelectromagneticshieldingprotectionaddedtoIEC60297-3,IEC60297-4andIEC60297-5-107.FormechanicalandclimatictestsrefertoIEC61587-1.ForelectromagneticshieldingperformancetestsrefertoIEC/TS61587-3.
【中国标准分类号】:K60
【国际标准分类号】:31_240
【页数】:14P.;A4
【正文语种】:英语


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【英文标准名称】:TestMethodsforWaterinHalogenatedOrganicSolventsandtheirAdmixtures
【原文标准名称】:卤化有机溶剂及其搀合物含水量测试方法
【标准号】:ANSI/ASTMD3401-1997
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;溶剂;试验
【英文主题词】:determinationofcontent;solvents;testing
【摘要】:ThesetestmethodsdescribetheuseoftheKarlFischer(KF)titrationfordeterminationofwaterinhalogenatedorganicsolventsandmixturesthereof.Waterconcentrationsfrom2to1000ppmcanbedeterminedinthesesolvents.Twotestmethodsarecoveredasfollows:TestMethodA,WaterDeterminationUsingaCoulometricKFTitratorThecoulometrictestmethodisknownforitshighdegreeofsensitivity(typically10gH2O)andshouldbethetestmethodofchoiceifwaterconcentrationsaretypicallybelow50ppmorifonlysmallamountsofsampleareavailableforwaterdeterminations.Thistestmethodrequirestheuseofequipmentspecificallydesignedforcoulometrictitrations.TestMethodB,WaterDeterminationUsingaVolumetricKFTitratorThevolumetrictestmethodisamoretraditionalapproachtoKFwaterdeterminations.AlthoughtitratorsarespecificallydesignedforKFvolumetricdeterminations,manyautomatictitratorsonthemarketcanbeadaptedtoperformKFtitrations.Eitherofthesetestmethodscanbeusedtodeterminetypicalwaterconcentrations(15to500ppm)foundinhalogenatedsolvents.1.3ThesetestmethodsrecommendtheuseofcommerciallyavailableKarlFischertitratorsandreagents.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionarystatements,seeSections11and15.
【中国标准分类号】:G04
【国际标准分类号】:71_080_20
【页数】:
【正文语种】:英语


【英文标准名称】:EvaluationofLubricants,forTwo-Stroke-CycleGasolineEngines(TSC-4),Specificationfor(05.03)
【原文标准名称】:二冲程汽油发动机润滑油评定规范
【标准号】:ANSI/ASTMD4681-1987
【标准状态】:作废
【国别】:美国
【发布日期】:1987
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:汽油发动机;二冲程发动机;润滑剂
【英文主题词】:lubricants;two-strokeengines;petrolengines
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语