【英文标准名称】:Measurementofliquidflowinopenchannels-Water-levelmeasuringdevices
【原文标准名称】:明渠水流测量水位测量设备
【标准号】:ISO4373-1995
【标准状态】:作废
【国别】:国际
【发布日期】:1995-10
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC113
【标准类型】:()
【标准水平】:()
【中文主题词】:测量;水位;液体流动;液位指示器;定义;液位测量;测量仪器;流速;水位测量;流量测量;明渠
【英文主题词】:Definition;Definitions;Flowmeasurement;Liquidflow;Liquid-levelindicators;Liquid-levelmeasurement;Measurement;Measuringinstruments;Openchannels;Velocityofflow;Waterlevelmeasurement;Waterlevels
【摘要】:Specifiesthefunctionalrequirementsandoperationalproceduresforstagedetecting,encodingandrecordingdevicesformeasuringwaterlevelsinopenchannels.Replacesthefirstedition,whichhasbeentechnicallyrevised.
【中国标准分类号】:N12
【国际标准分类号】:17_120_20
【页数】:23P;A4
【正文语种】:英语


【英文标准名称】:Materialsforprintedboardsandotherinterconnectingstructures-Part4-12:Sectionalspecificationsetforprepregmaterials,unclad-Non-halogenatedmultifunctionalepoxidewovenE-glassprepregofdefinedflammability
【原文标准名称】:印制板和其他互连结构用材料.第4-12部分:非包被预浸料的分规范集.阻燃型非卤化多功能环氧编织E型玻璃纤维预浸料坯
【标准号】:IEC61249-4-12-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-09
【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/TC91
【标准类型】:()
【标准水平】:()
【中文主题词】:无卤素;基底材料;导电材料;预浸料坯;柔性材料;印制电路;叠层板材;分规范;印制电路板;玻璃布;导电体;E型玻璃纤维;环氧衍生物;尺寸;环氧树脂;可燃性试验;覆层;多层印制电路板;玻璃纤维增强塑料;电子设备及元件;内连接结构;检验;电导性;聚酰亚胺树脂;规范(验收);特性;材料;电气工程;燃烧试验;可燃性;质量保证
【英文主题词】:Adhesive;Adhesives;Basematerials;Burningtests;Coatings;Combustibility;Combustibilitytests;Conductivematerials;Conductivity;Dimensions;E-glass;Electricconductors;Electricalengineering;Electronicequipmentandcomponents;Epoxides;Epoxyresins;Flexiblematerials;Formofdelivery;Glassfabrics;Glass-fibrereinforcedplastics;Halogen-free;Inspection;Interconnectionstructures;Laminates;Materials;Multilayerprintedboards;Orderindications;Packages;Polyimideresins;Prepreg;Printedcircuits;Printed-circuitboards;Properties;Qualityassurance;Sectionalspecification;Shelflife;Specification;Specification(approval)
【摘要】:ThispartofIEC61249givesrequirementsforpropertiesofprepregthatismainlyintendedtobeusedasbondingsheetsinconnectionwithlaminatesaccordingIEC61249-2-7whenmanufacturingmultilayerboardsinconformitywithIEC62326-4.Thismaterialmaybealsousedtobondothertypesoflaminates.Prepregaccordingtothisstandardisofdefinedflammability(verticalburningtest).Theflammabilityratingonfullycuredprepregisachievedthroughtheuseofbrominatedfireretardantscontainedasanintegralpartofthepolymericstructure.Afterlaminationaccordingtothesupplier'sinstructions,theglasstransitiontemperatureisdefinedtobe150℃minimum.
【中国标准分类号】:L30
【国际标准分类号】:31_180
【页数】:25P.;A4
【正文语种】:英语