02J404-1 电梯 自动扶梯 自动人行道
作者:标准资料网 时间:2024-05-29 17:05:07 浏览:8610
来源:标准资料网
基本信息
| 标准名称： | 电梯 自动扶梯 自动人行道 |
| 发布部门： | 中华人民共和国建设部 |
| 发布日期： | |
| 实施日期： | 2002-12-01 |
| 首发日期： | |
| 作废日期： | |
| 起草单位： | 中国建筑标准设计研究院 |
| 出版社： | 中国建筑标准设计研究院 |
| 出版日期： | 2002-12-01 |
| 页数： | 平装16开，142页 |
| 书号： | 02J404-1 |
适用范围
本图集收编了广州日立电梯有限公司、上海三菱电梯有限公司、天津OTIS电梯有限公司提供的定型产品，包括客梯、客货梯、病床梯、货梯、杂物梯、自动扶梯及自动人行道等内容及其建筑构造。
前言
没有内容
目录
电梯、自动扶梯、自动人行道(02J404-1)：
总目录、说明
说明
术语
电梯土建设技术要求
自动扶梯和自动人行道土建技术要求
电梯层门门套详图
电梯井道内隔梁及预埋件详图
电梯井道牛腿详图
自动扶梯洞口栏杆
引用标准
没有内容
所属分类： 化工 化学试剂 化学试剂综合 化工技术 分析化学 化学试剂
【英文标准名称】:StandardGuideforElectrolyticPolishingofMetallographicSpecimens
【原文标准名称】:金相试样电解抛光标准指南
【标准号】:ASTME1558-2009
【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】:E04.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:electrolyticpolishing;electropolishing;polishing;specimenpreparation(metallographic);Alcohol;Alkalineelectrolytes;Chromiumtrioxide;Electrolyticpolishing;Electropolishing;Glacialaceticacid;Metalliccoatings;Metallographicpreparation;
【摘要】:AdvantagesofElectrolyticPolishing:Forsomemetals,ahighqualitysurfacefinishcanbeproducedthatisequivalentto,orbetterthan,thatwhichcanbeobtainedbymechanicalmethods.Onceprocedureshavebeenestablished,satisfactoryresultscanbeobtainedrapidlywithreproducibility.Therecanbeamarkedsavingoftimeifmanyspecimensofthesamematerialarepolishedsequentially.Electropolishingaselectedareaonthesurfaceofarelativelylargemetalpartcanbeaccomplishednondestructively,thatis,withouttheneedforsectioningtoremoveapiece.Soft,single-phasemetals,whichmaybedifficulttopolishbymechanicalmethods,maybesuccessfullyelectropolished.Thetruemicrostructureofaspecimencanbeobtainedbecauseartifacts(suchasdisturbedmetal,scratches,andmechanicaltwins)producedonthesurface,evenbycarefulgrindingandmechanicalpolishingoperations,canberemoved.Thesefeaturesareimportantinlow-loadhardnesstesting,X-raydiffractionstudies,andinelectronmicroscopy,wherehigherresolutionputsapremiumonundistortedmetalsurfaces.Afterelectropolishingiscompleted,etchingcanoftenbeaccomplishedbyreducingthevoltage(generallytoaboutone-tenththatrequiredforpolishing)forashorttimebeforeitisturnedoff.Note28212;Notallelectropolishingsolutionsproducegoodetchingresults.DisadvantagesofElectrolyticPolishing:Manyofthechemicalmixturesusedinelectropolishingarepoisonousordangerousifnotproperlyhandled(seeSection5).Thesehazardsaresimilartothoseinvolvedinthemixingandhandlingofetchants,seeTestMethodsE407.Inmulti-phasealloys,thepolishingrateofeachphasemaybedifferent.Theresultmaybeanon-planarsurface.Electropolishedsurfacesmaybeslightlyundulatedratherthanperfectlyplanarand,therefore,maynotbesuitableforexaminationatallmagnifications.Therateofpolishinginareasadjacenttovariousinhomogeneities,suchasnonmetallicinclusionsandvoids,isusuallygreaterthanthatinthesurroundingmatrixandtendstoexaggeratethesizeoftheinclusionsandvoids.Dimples,pits,andwavinesslimitapplicationsinvolvingsurfacephenomena,coatings,interfaces,andcracks.Edgestendtobeattackedpreferentially,resultinginedgerounding.Artifactsmaybeproducedbyelectropolishing.Specimenmountingmaterialsmayreactwiththeelectrolyte.Theelectropolishedsurfacesofcertainmaterialsmaybepassiveanddifficulttoetch.Metalremovalratesbyelectropolishingareusuallyquitelow,typicallyabout1x03BC;m/min,andallofthepriorinduceddamagefromcuttingandgrindingmaynotberemovedifpreparationisstoppedaftera600-gritSiCgrindandelectropolishingtimesareshort.Alargenumberofelectrolytesmaybeneededtopolishthevarietyofmetalsencounteredbyagivenlaboratory.Considerabletimemayberequiredtodevelopaprocedureforanewalloy.1.1Thisguidedealswithelectrolyticpolishingasameansofpreparationofspecimensformetallographicpurposes.Proceduresaredescribedforpolishingavarietyofmetals.Note18212;References(1-133)onelectrolyticpolishingwillprovidethereaderwithspecificinformationbeyondthescopeofthisguide.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesn......
【中国标准分类号】:H24
【国际标准分类号】:25_220_20
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents-Basictestandmeasurementprocedures-Part2-22:Tests-Changeoftemperature(IEC61300-2-22:2007);GermanversionEN61300-2-22:2007
【原文标准名称】:纤维光学互连器件和无源元件.基本试验和测量程序.第2-22部分:试验.温度变化
【标准号】:EN61300-2-22-2007
【标准状态】:现行
【国别】:
【发布日期】:2008-02
【实施或试行日期】:2008-02-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:温度变化;电气工程;玻璃纤维电缆;测量技术;光波导;适宜性;温度试验;测试
【英文主题词】:Changesoftemperature;Electricalengineering;Glassfibrecables;Measuringtechniques;Opticalwaveguides;Suitability;Temperaturetest;Testing
【摘要】:
【中国标准分类号】:L23
【国际标准分类号】:33_180_20
【页数】:10P.;A4
【正文语种】:英语
