热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

DIN 49653-2-1986 IEC灯头.成品灯2G13灯头

作者:标准资料网 时间:2024-05-20 11:21:28  浏览:9209   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:IEClampcaps;lampcap2G13forfinishedlamps
【原文标准名称】:IEC灯头.成品灯2G13灯头
【标准号】:DIN49653-2-1986
【标准状态】:作废
【国别】:德国
【发布日期】:1986-10
【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】:公差;荧光灯;尺寸;插脚灯头;灯头;底座;灯;电气工程;螺纹灯头;IEC灯头;U形;照明系统
【英文主题词】:dimensions;ieclampcaps;pinlampcaps;tolerances(measurement);lamps;electricalengineering;lampcaps;fluorescentlamps;u-shape;screwcaps;plinths;lightingsystems
【摘要】:
【中国标准分类号】:K74
【国际标准分类号】:29_140_10
【页数】:3P;A4
【正文语种】:德语


下载地址: 点击此处下载
【英文标准名称】:StandardSpecificationforSteelDrillScrewsfortheApplicationofGypsumPanelProductsorMetalPlasterBasestoSteelStudsfrom0.033in.(0.84mm)to0.112in.(2.84mm)inThickness
【原文标准名称】:将厚度为0.033至0.112英寸(0.84至2.84mm)的石膏板或金属熟石膏基板安装在钢骨上所用的钻孔钢螺钉的标准规范
【标准号】:ASTMC954-2004
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:钢;建筑;熟石膏;施工材料;灰泥;紧固件;钻头;金属;石膏;板;厚度;螺钉
【英文主题词】:Construction;Constructionmaterials;Drills;Fasteners;Gypsum;Metals;PlasterofParis;Plasters;Plates;Screws(bolts);Steels;Thickness
【摘要】:
【中国标准分类号】:Q62
【国际标准分类号】:21_060_10
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforQuantitativeAcceleratedLaboratoryEvaluationofExtractionSolutionsContainingIonsLeachedfromThermalInsulationonAqueousCorrosionofMetals
【原文标准名称】:金属水腐蚀热绝缘材料中浸出的含离子萃取溶液的定量加速实验室评定的标准实施规程
【标准号】:ASTMC1617-2009
【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】:C16.31
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chloride;corrosion;corrosionunderinsulation;inhibition;metal;protectivecoatings;steel;thermalinsulation;Aqueouscorrosiontesting;Corrosion;Corrosionunderinsulation;Inhibitors;Masslosscorrosionrate(MLCR);Solublechlorideion;Therma
【摘要】:Corrosionassociatedwithinsulationisanimportantconcernforinsulationmanufacturers,specificationwriters,designers,contractors,usersandoperatorsoftheequipment.Somematerialspecificationscontaintestmethods(orreferencetestmethodscontainedinothermaterialspecifications),foruseinevaluatingtheinsulationwithregardtothecorrosionofsteel,copper,andaluminum.Insomecasesthesetestsarenotapplicableoreffectiveandhavenotbeenevaluatedforprecisionandbias.Aproperlyselected,installed,andmaintainedinsulationsystemwillreducethecorrosionthatoftenoccursonanun-insulatedstructure.However,whentheprotectiveweather-resistantcoveringofaninsulationsystemfails,theconditionsfortheaqueousenvironmentnecessaryforcorrosionunderinsulation(CUI)oftendevelop.Itispossibletheinsulationcontains,collects,orconcentratescorrosiveagents,oracombinationthereof,oftenfoundinindustrialandcoastalenvironments.Ifwaterisnotpresent,theseelectrolytescannotmigratetothemetalsurface.Theelectrochemicalreactionresultingintheaqueouscorrosionofmetalsurfacescannottakeplaceintheabsenceofwaterandelectrolytes.Additionalenvironmentalfactorscontributingtoincreasedcorrosionratesareoxygen,andelevated-temperature(nearboilingpoint).Chloridesandothercorrosiveionsarecommontomanyenvironments.Theprimarycorrosionpreventativeistoprotectinsulationandmetalfromcontaminationandmoisture.Insulationcovers,jackets,andmetalcoatingofvariouskindsareoftenusedtopreventwaterinfiltrationandcontactwiththemetal.Thisprocedurecanbeusedtoevaluatealltypesofthermalinsulationandfireproofingmaterials(industrial,commercial,residential,cryogenic,fire-resistive,insulatingcement)manufacturedusinginorganicororganicmaterials.Thisprocedurecanbeusedwithallmetaltypesforwhichacouponcanbepreparedsuchasmildsteel,stainlesssteel,copper,oraluminum.Thisprocedurecanalsobeapplicabletoinsulationaccessoriesincludingjacketing,covers,adhesives,cements,andbindersassociatedwithinsulationandinsulationproducts.Heattreatmentoftheinsulation(asrecommendedbythemanufactureruptothemaximumpotentialexposuretemperature)canbeusedtosimulatepossibleconditionsofuse.Adhesivescanbetestedbyfirstdryingfollowedbywaterextractionorbyapplyingaknownquantityofthetestadhesivetoatestpieceofinsulationandthenextracting.Insulatingcementscanbetestedbycastingaslab,drying,andextractingorbyusingtheuncuredinsulatingcementpowderforextraction.Referencetestspreparedwithvariousconcentrationsofsolutionsthatareconducivetothecorrosionofthetestedmetalserveascomparativestandards.Solutionscontainingchloride,sodiumhydroxide,variousacids(sulfuric,hydrochloric,nitric,andcitricacid),aswellasx201C;blankx201D;testsusingonlyde-ionizedwaterandtapwaterareused.Researchcanbedoneoninsulationthathasbeenspeciallyformulatedtoinhibitcorrosioninthepresenceofcorrosiveionsthroughmodificationsinbasiccompositionorincorporationofcertainchemicaladditives.Corrosiveionscanalsobeaddedtotheinsulationextractionsolutionstodeterminetheeffectivenessofanyinhibitorspresent.Protectivesurfacetreatmentsandcoatingsofdifferenttypesandthicknesscanbeappliedtothemetalcouponsandcomparedusingvariouscorrosiveliquids.Severalsetsoftestsarerecommendedbecauseofthenumberoffactorsthataffectcorrosion.Anaverageofthetestsandthestandarddeviationbetweenthetestresultsareusedonthedata.Muchofthecorrosionliteraturerecommendsaminimumofthreespecimensforevery........
【中国标准分类号】:H11
【国际标准分类号】:77_060
【页数】:10P.;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1