IEC 60832 Corrigendum 1-2000 带电作业用绝缘杆(绝缘棒)及通用工具附件(金具)
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【英文标准名称】:Insulatingpoles(insulatingsticks)anduniversaltoolattachments(fittings)forliveworking
【原文标准名称】:带电作业用绝缘杆(绝缘棒)及通用工具附件(金具)
【标准号】:IEC60832Corrigendum1-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-05
【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/TC78
【标准类型】:()
【标准水平】:()
【中文主题词】:安全工程;试验;电绝缘;规范(验收);危害;电气工程;检验;配件;作标记;绝缘的;工作场所安全;开关绝缘棒;手工工具;职业安全;合格试验;电气设备;设备;电气安全;电压;高压电器;工具;工具;高电压;带电作业;安全措施;绝缘;隔热管;定义;工具零件;工作端头;操作杆;工作物质;加工
【英文主题词】:Definitions;Electricalengineering;Electricalequipment;Electricalinsulation;Electricalsafety;Equipment;Fittings;Handtools;Hazards;Highvoltage;High-voltageequipment;Implements;Inspection;Insulated;Insulationpipes;Insulations;Liveworking;Marking;Occupationalsafety;Qualificationtests;Safetyengineering;Safetymeasures;Specification(approval);Switchrods;Testing;Toolcomponents;Tools;Voltage;Working;Workingheads;Workingpoles;Workingsubstances;Workplacesafety
【摘要】:ThisstandardisInsulatingpoles(insulatingsticks)anduniversaltoolattachments(fittings)forliveworking;Corrigendum1.
【中国标准分类号】:K47
【国际标准分类号】:13_260
【页数】:
【正文语种】:英语
【英文标准名称】:Copperandcopperalloys-Stripforleadframes;GermanversionEN1758:1997
【原文标准名称】:铜和铜合金.引线框架用带材
【标准号】:DINEN1758-1998
【标准状态】:现行
【国别】:德国
【发布日期】:1998-03
【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】:机械性能;组件;形状公差;试验;名称与符号;铜;带材;精整;铜合金;材料;规范(验收);公差(测量);尺寸;有色金属;特性;集成电路;极限偏差;定义;铜带;大梁;质量保证
【英文主题词】:
【摘要】:Thedocumentspecifiesthecomposition,propertyrequirements,tolerancesondimensionsandformforcopperandcopperalloystripforleadframematerial,withwidthuptoandincluding100mm,withthicknessfrom0,1mmuptoandincluding1,0mm,generallyusedforstampedleadframesforintergratedcircuitsandlowpowerdevices,orfrom1,0mmuptoandincluding2,0mm,generallyusedforstampedleadframesforhighpowerdevices.Thesamplingprocedures,themethodsoftesttobeusedforverificationofcompliancewiththerequirementsofthisstandard,andthedeliveryconditionsarealsospecified.#,,#
【中国标准分类号】:H62
【国际标准分类号】:77_150_30
【页数】:22P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodsforDeposit-FormingImpuritiesinSteam
【原文标准名称】:蒸汽中沉积杂质的标准试验方法
【标准号】:ASTMD2186-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:deposit-forming;electricalconductivity;evaporate;gravimetric;impurities;Larsen-Lane;sodiumtracer;steam;Conductanceandconductivity(electrical)--water;Dissolvedelements(ofwater);Evaporators/evaporation;Generatormaterials--turbine;
【摘要】:Limitingtheconcentrationofdeposit-formingimpuritiesinsteamisofsignificancetoprotectbothsteamgeneratorsandsteamturbinesfromdamageordegradationofperformance,orboth.Steamenteringsuperheatersandreheatersofsteamgeneratorsalwayscontainssomeimpurities.Iftheconcentrationofimpuritiesissufficientlylow,theimpuritiesaredissolvedinsuperheatedsteamandarecarriedoutofthesteamgenerator.However,ifthesteamcontainsasufficientamountofanysubstancetoexceeditssolubilitylimitinsteam,thesubstanceislikelytoformadepositontheheat-transfersurface.Becauseheattransferinsuperheatersandreheatersinfossil-fueledsteamgeneratorsiscontrolledprincipallybythelowheat-transfercoefficientonthegasside,theformationofsteam-sidedepositswillhavelittleeffectontheoverallheat-transferrate.However,steam-sidedepositswillincreasetheoperatingtemperatureoftheheat-transfersurface.Suchtemperatureincreasescanleadtoswellingandultimatelytoruptureofthetubing.Also,aggressivematerialscanconcentrateundersoliddepositsofporousmaterials,suchasmagnetite(Fe3O4),andcancauseseriouscorrosionofthetubing.Assteamflowsthroughturbines,itstemperatureandpressuredecreaserapidly.Becausetheabilityofsteamtodissolveimpuritiesdecreaseswithdecreasingtemperatureandpressure,impuritiesinsteammayexceedtheirsolubilitylimitandformdepositsontheturbine.Suchdepositsreducesteamflowarea,particularlyinthehigh-pressureportionoftheturbinewhereflowpassagesaresmall,andtheroughnessofdepositsandtheireffectonbladecontoursresultinlossesofturbineefficiency.Alloftheseeffectsleadtoreductionoftheplantmaximumcapacity,whichappreciablyreducesthefinancialreturnonthecapitalinvestmentinthepowerplant.Furthermore,aggressivematerials,suchassodiumhydroxide(NaOH)andsodiumchloride(NaCl),maycondenseanddepositonturbinesurfaces.Suchdepositsoccasionallycontributetofailureduetocrackingofhighlystressedturbinebladesandrotors.Repairsandoutagesareextremelycostly.Bymonitoringtheconcentrationofdeposit-formingimpuritiesinsteam,apowerplantoperatorcantakestepsnecessarytolimittheimpuritiestotolerableconcentrationsandthusminimizeoreliminatelossesduetoexcessivedeposits.1.1Thesetestmethodscoverthedeterminationoftheamountofdeposit-formingimpuritiesinsteam.Determinationsaremadeoncondensedsteamsamplesinalltestmethods.TestMethodsA,B,andCgiveameasureoftheamountoftotaldeposit-formingmaterialpresent;TestMethodDdealswithspecialconstituentsthatmaybepresent.Specialprecautionsandequipment,calculationprocedures,andrangesofapplicabilityaredescribed.Thefollowingtestmethodsareincluded:
Sections
TestMethodA(GravimetricorEvaporative)
6to12
TestMethodB(ElectricalConductivity)
13to19
TestMethodC(SodiumTracer)
20to26
TestMethodD(SilicaandMetals)
27to30
