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BS 5649 Pt.6-1982 路灯电杆规范.第6部分:设计载荷规范

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【英文标准名称】:Lightingcolumns.Specificationfordesignloads
【原文标准名称】:路灯电杆规范.第6部分:设计载荷规范
【标准号】:BS5649Pt.6-1982
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:


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【英文标准名称】:StandardGuideforHandlingSpecimensPriortoSurfaceAnalysis
【原文标准名称】:先于表面分析的样品处置标准指南
【标准号】:ASTME1829-2002
【标准状态】:现行
【国别】:
【发布日期】:2002
【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】:E42.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:augerelectronspectroscopy;secondaryionmassspectrometry;specimenhandling;surfaceanalysis;X-rayphotoelectronspectroscopy
【摘要】:Properhandlingandpreparationofspecimensisparticularlycriticalforanalysis.Improperhandlingofspecimenscanresultinalterationofthesurfacecompositionandunreliabledata.Specimensshouldbehandledcarefullysoastoavoidtheintroductionofspuriouscontaminants.Thegoalmustbetopreservethestateofthesurfacesothatanalysisremainsrepresentativeoftheoriginalsubject.Augerelectronspectroscopy(AES),X-rayphotoelectronspectroscopy(XPS),andsecondaryionmassspectroscopy(SIMS)aresensitivetosurfacelayersthataretypicallyafewnanometresthick.Suchthinlayerscanbesubjecttosevereperturbationsfromimproperspecimenhandling(1).3Thisguidedescribesmethodstominimizetheeffectsofspecimenhandlingontheresultsobtainedusingsurface-sensitiveanalyticaltechniques.Itisintendedforthespecimenownerorthepurchaserofsurfaceanalyticalservicesandthesurfaceanalyst.Becauseofthewiderangeoftypesofspecimensanddesiredinformation,onlybroadguidelinesandgeneralexamplesarepresentedhere.Theoptimumhandlingprocedureswillbedependentontheparticularspecimenandtheneededinformation.Itisrecommendedthatthespecimensupplierconsultthesurfaceanalystassoonaspossiblewithregardtospecimenhistory,thespecificproblemtobesolvedorinformationneeded,andtheparticularspecimenpreparationorhandlingproceduresrequired.ThesurfaceanalystalsoisreferredtoGuideE1078thatdiscussesadditionalproceduresforpreparing,mounting,andanalysisofspecimens.1.1Thisguidecoversspecimenhandlingandpreparationpriortosurfaceanalysisandappliestothefollowingsurfaceanalysisdisciplines:1.1.1Augerelectronspectroscopy(AES),1.1.2X-rayphotoelectronspectroscopy(XPSorESCA),and1.1.3Secondaryionmassspectrometry,SIMS.1.1.4AlthoughprimarilywrittenforAES,XPS,andSIMS,thesemethodsmayalsoapplytomanysurface-sensitiveanalysismethods,suchasionscatteringspectrometry,low-energyelectrondiffraction,andelectronenergylossspectroscopy,wherespecimenhandlingcaninfluencesurface-sensitivemeasurements.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J04
【国际标准分类号】:71_040_50(PHYSICOCHEMICALMETHODSOFANALYSIS)
【页数】:5P.;A4
【正文语种】:


【英文标准名称】:StandardSpecificationforWeldedAusteniticSteelBoiler,Superheater,Heat-Exchanger,andCondenserTubes
【原文标准名称】:焊接奥氏体钢锅炉、过热器、热交换器和冷凝管的标准规范
【标准号】:ASTMA249/A249M-1998
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:管;管道;奥氏体钢;锅炉;钢;热交换器;蒸汽加热器;蒸汽冷凝器;冷凝器
【英文主题词】:pipes;condensers;steamcondensers;heatexchangers;steamheaters;steels;austeniticsteels;boilers;pipelines
【摘要】:
【中国标准分类号】:J75
【国际标准分类号】:23_040_10
【页数】:7P;A4
【正文语种】:英语