DIN 46008-1987 接地连接螺栓的扁平接触表面.额定电压不超过52KV
时间:2024-05-14 00:41:08 来源: 标准资料网 作者：标准资料网 阅读：8593
【英文标准名称】:Flatcontactsurfacesforearthingscrews;ratedvoltagenotexceeds52kV
【原文标准名称】:接地连接螺栓的扁平接触表面.额定电压不超过52KV
【标准号】:DIN46008-1987
【标准状态】:现行
【国别】:德国
【发布日期】:1987-01
【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】:连接螺钉;接地线端子;接地;接线端;电触点;面积;接地端子;电气工程;尺寸;规范(审批);接地导线
【英文主题词】:electriccontacts;area;earthingconductorterminations;earthconductors;electricalengineering;earthterminals;earthing;electricterminals;earthingterminals;dimensions;connectingscrews;specification
【摘要】:
【中国标准分类号】:M04
【国际标准分类号】:2075
【页数】:2P;A4
【正文语种】:德语
【英文标准名称】:Informationtechnology-Anoperationalmodelforcharactersandglyphs
【原文标准名称】:信息技术.字符和图形的运行模式
【标准号】:BSISO/IECTR15285-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-09-15
【实施或试行日期】:1999-09-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:字符表示;文本处理;代码字符集;代码表示;数据处理;图形;正文通信;信息技术;图形符号;定义;字体;模型
【英文主题词】:Codedcharactersets;Codedrepresentation;Dataprocessing;Definition;Definitions;Glyphs;Graphicsymbols;Informationtechnology;Lettering;Models;Representationofcharacters;Textprocessings;Textcommunication
【摘要】:ThepurposeofthisTechnicalReportistoprovideageneralframeworkfordiscussingcharactersandglyphs.Theframeworkisapplicabletoavarietyofcodedcharactersetsandglyph-identificationschemes.Forillustration,thisTechnicalReportusesex-amplesfromcharacterscodedinISO/IEC10646andglyphsregisteredaccordingtoISO/IEC10036.ThisTechnicalReport—differentiatesbetweencodedcharac-tersandregisteredglyphs—identifiesthedomainofuseofcodedcharactersandglyphidentifiers—providesaconceptualframeworkfortheformattingandpresentationofcodedcharacterdatausingglyphiden-tifiersandglyphrepresentationsThisTechnicalReportdescribesidealizedprinciplesthatwerenotcompletelyfollowedincodingcharactersforISO/IEC10646andinregisteringglyphsaccordingtoISO/IEC10036.ThefactthatISO/IEC10646,ISO/IEC10036,andotherstandardsdonotcompletelyfollowtheprinciplesinthemodeldoesnotinvalidatethemodelanddoesnotdiminishtheutilityofhavingthemodel.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:32P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofCoatingThicknessbyX-RaySpectrometry
【原文标准名称】:用X射线光度法测定覆层厚度的标准试验方法
【标准号】:ASTMB568-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:厚度;测量技术;X射线光度法;覆层
【英文主题词】:absorption;collimator;emission;filter;ratio;X-ray
【摘要】:Thisisasensitive,noncontact,andnondestructivemethodformeasuringthecoatingthickness(andinsomecases,coatingcomposition)ofmetallicandsomenonmetalliccoatingsoverarangeofthicknessesfromaslittleas0.01x03BC;mtoasmuchas75x03BC;mdependingonthecoatingandsubstratematerials.Itcanbeusedtomeasurecoatingandbasecombinationsthatarenotreadilymeasuredbyothertechniques.Thecoatingthicknessisanimportantfactorintheperformanceofacoatinginservice.1.1ThistestmethodcoverstheuseofX-rayspectrometrytodeterminethicknessofmetallicandsomenonmetalliccoatings.1.2ThemaximummeasurablethicknessforagivencoatingisthatthicknessbeyondwhichtheintensityofthecharacteristicsecondaryXradiationfromthecoatingorthesubstrateisnolongersensitivetosmallchangesinthickness.1.3Thistestmethodmeasuresthemassofcoatingperunitarea,whichcanalsobeexpressedinunitsoflinearthicknessprovidedthatthedensityofthecoatingisknown.1.4ProblemsofpersonnelprotectionagainstradiationgeneratedinanX-raytubeoremanatingfromaradioisotopesourcearenotcoveredbythistestmethod.Forinformationonthisimportantaspect,referenceshouldbemadetocurrentdocumentsoftheNationalCommitteeonRadiationProtectionandMeasurement,FederalRegister,NuclearRegulatoryCommission,NationalInstituteofStandardsandTechnology(formerlytheNationalBureauofStandards),andtostateandlocalcodesifsuchexist.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:8P.;A4
【正文语种】: