DIN EN 60068-2-65-1995 环境试验.第2部分:试验方法.FG试验:声振

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【英文标准名称】:Environmentaltesting-Part2:Methodsoftest;testFg:Vibration,acousticallyinduced(IEC60068-2-65:1993);GermanversionEN60068-2-65:1994
【原文标准名称】:环境试验.第2部分:试验方法.FG试验:声振
【标准号】:DINEN60068-2-65-1995
【标准状态】:现行
【国别】:德国
【发布日期】:1995-08
【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】:电子设备及元件;测量;机械试验;振动试验;电气器具;电气工程;环境试验;试验;声学;定义;振动;材料试验
【英文主题词】:Acoustictesting;Acoustics;Definition;Definitions;Electricappliances;Electricalengineering;Electronicequipmentandcomponents;Environmentaltesting;Materialstesting;Measurement;Mechanicaltesting;
【摘要】:Toprovidestandardproceduresandguidanceforconductionacoustictestsinordertodeterminetheabilityofaspecimentowithstandvibrationcausedbyaspecifiedsound-pressurelevelenvironmenttowhichitis,orisliabletobe,subjected.Forsound-pressurelevelenvironmentsoflessthan120dBacoustictestsarenotnormallyrequires.
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:19P;A4
【正文语种】:德语


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【英文标准名称】:Materialsforinterconnectionstructures-Sectionalspecificationsetfornon-conductivefilmsandcoatings-Markinglegendinks
【原文标准名称】:互连接结构用材料.不导电薄膜和涂层分规范.打印油墨
【标准号】:BSEN61249-8-7-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【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】:试验条件;电气设备;作标记;耐化学性试验;耐磨性;墨水;覆层;储存;可混用性;膜(物态);兼容性;资格鉴定;印制电路板;电气元件;电子设备及元件;易燃性;温度冲击试验;热阻;粘附;软钎焊性试验;印制电路;电阻测量;印制电路基板;试样
【英文主题词】:Coatings;Components;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Inks;Interconnection;Interconnectionstructures;Lacquers;Letterings;Materials;Nonconducting;Printedcircuits;Printed-circuitboards;Sectionalspecification;Specification;Specification(approval);Specifications;Varnishes
【摘要】:Givestherequirementsforthequalificationofmarkinginksusedforlegendsandotheridentificationsusedforprintedboards.Providesguidanceonthesuitabilityofprintedboardswhichfeaturemarkinginks.
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:22P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforDeterminationofButylatedHydroxyToluene(BHT)inPolymersofEthyleneandEthylenex2013;VinylAcetate(EVA)CopolymersByGasChromatography
【原文标准名称】:用气相色谱法测定乙烯和乙烯-乙烯基醋酸酯共聚物的聚合物中丁酸化羟基甲苯的标准试验方法
【标准号】:ASTMD4275-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:butylatedhydroxytoluene;BHT;ethylene-vinylacetate;gaschromatography;polyethylene;BHT(butylatedhydroxytoluene);Ethylene-vinylacetate(EVA)copolymer;Gaschromatography(GC)--plastics;Polyethylene(PE);Polymers
【摘要】:Separationandidentificationofstabilizersusedinthemanufactureofpolyethylenearenecessaryinordertocorrelateperformancepropertieswithpolymercomposition.TheBHTextractionprocedureismadeeffectivebytheinsolubilityofthepolymersampleinsolventsgenerallyusedforgaschromatographicanalysis.1.1Thistestmethoddescribesaprocedureforthedeterminationofbutylatedhydroxytoluene(BHT)(2,6-di-t-butyl-4-methyl-hydroxybenzene)inpolymersofethyleneandethylene-vinylacetate(EVA)copolymersbysolventextractionfollowedbygaschromatographicanalysis.Detectionofthecompoundisachievedbyflameionization,andquantitativeanalysisisobtainedbyuseofinternalorexternalstandards,asdescribedinPracticesE260,E355,andE594.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection9.Note18212;ThereisnoknownISOequivalentforthistestmethod.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:4P.;A4
【正文语种】:英语