【英文标准名称】:Dentistry-Root-canalinstruments-Part1:Generalrequirementsandtestmethods(ISO3630-1:2008);EnglishversionofDINENISO3630-1:2008-04
【原文标准名称】:牙科.牙根管器械.第1部分:一般要求和试验方法
【标准号】:DINENISO3630-1-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:拔髓针;色码;棉条钻孔器;定义;牙科设备;牙科器械;牙科学;名称与符号;尺寸;锉;灌充器械;使用说明书;作标记;医学科学;包装件;带菌粘结物;探针;粗锉;铰刀;牙根管器械;牙根管锉刀;抽样方法;规范(验收);规范;试验方法;测试
【英文主题词】:Barbedbroaches;Colourcodes;Cottonbroaches;Definition;Definitions;Dentalequipment;Dentalinstruments;Dentistry;Designations;Dimensions;Files(tools);Fillinginstruments;Instructionsforuse;Marking;Medicalsciences;Packages;Pastecarriers;Probes;Rasps;Reamers;Rootcanalinstruments;Root-canalfiles;Samplingmethods;Specification(approval);Specifications;Testmethods;Testing
【摘要】:ThispartofISO3630specifiesgeneralrequirementsandtestmethodsforroot-canalinstrumentsusedforendodonticpurposes,e.g.enlargers,shapingandcleaninginstruments,condensers,andaccessoryinstruments.Inadditionitcoversgeneralsizedesignations,colourcoding,packagingandidentificationsymbols.
【中国标准分类号】:C33
【国际标准分类号】:11_060_25
【页数】:26P.;A4
【正文语种】:英语
基本信息
标准名称: | 滚动轴承 圆锥滚子轴承 凸缘外圈 外形尺寸 |
英文名称: | Rolling bearings-Metric tapered roller bearings-Flanged cups-Boundary dimensions |
中标分类: |
机械 >>
通用零部件 >>
滚动轴承 |
ICS分类: |
机械系统和通用件 >>
轴承 >>
滑动轴承
|
替代情况: | GB 4648-1984;被GB/T 273.1-2011代替 |
发布部门: | 国家技术监督局 |
发布日期: | 1996-01-02 |
实施日期: | 1997-07-01 |
首发日期: | 1984-08-29 |
作废日期: | 2012-06-01 |
主管部门: | 中国机械工业联合会 |
归口单位: | 全国滚动轴承标准化技术委员会 |
起草单位: | 机械委洛阳轴承所 |
出版社: | 中国标准出版社 |
出版日期: | 2004-04-02 |
页数: | 平装16开, 页数:10, 字数:13千字 |
书号: | 155066.1-13801 |
适用范围
本标准规定了米制圆锥滚子轴承用的凸缘外圈的凸缘尺寸。外圈及成套轴承的其他尺寸规定在GB/T 297《滚动轴承 圆锥滚子轴承 外形尺寸》中。本标准适用于凸缘圆锥滚子轴承的外圈。本标准中未包括的凸缘外圈轴承,其凸缘尺寸规定在附录A(标准的附录)中。
前言
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目录
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引用标准
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所属分类: 机械 通用零部件 滚动轴承 机械系统和通用件 轴承 滑动轴承
【英文标准名称】:Railwayapplications-Electromagneticcompatibility-Part5:Emissionandimmunityoffixedpowersupplyinstallationsandapparatus
【原文标准名称】:铁路设施.电磁兼容性.固定电源设备的辐射和抗干扰
【标准号】:BSEN50121-5-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-09-29
【实施或试行日期】:2006-09-29
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电力系统;电气设备;电气工程;电驱动装置;电子仪器;电磁兼容性;供能系统(建筑物);干扰辐射;极限(数学);无线电干扰;铁路设施;铁路固定设备;铁路;固定的;试验;牵引电网
【英文主题词】:Definition;Definitions;Electricpowersystems;Electricalappliances;Electricalengineering;Electrically-operateddevices;Electromagneticcompatibility;Electronicinstruments;EMC;Energysupplysystems(buildings);Frequencyranges;Interferencerejections;Interferences;Interferingemissions;Limits(mathematics);Measurement;Radiodisturbances;Railwayapplications;Railwayfixedequipment;Railwayinstallations;Railways;Stationary;Tractionnetwork
【摘要】:ThisEuropeanStandardappliestoemissionandimmunityaspectsofEMCforelectricalandelectronicapparatusandsystemsintendedforuseinrailwayfixedinstallationsassociatedwithpowersupply.Thisincludesthepowerfeedtotheapparatus,theapparatusitselfwithitsprotectivecontrolcircuits,tracksideitemssuchasswitchingstations,powerautotransformers,boostertransformers,substationpowerswitchgearandpowerswitchgeartootherlongitudinalandlocalsupplies.Filtersoperatingatrailwaysystemvoltage(forexample,forharmonicsuppressionorpowerfactorcorrection)arenotincludedinthisstandardsinceeachsitehasspecialrequirements.Filterswouldnormallyhaveseparateenclosureswithseparaterulesforaccess.Ifelectromagneticlimitsarerequired,thesewillappearinthespecificationfortheequipment.Thelimitsinthisstandarddonotapplytointentionalcommunicationsignals.Thefrequencyrangeconsideredisfromd.c.to400GHz.Nomeasurementsneedtobeperformedatfrequencieswherenorequirementisspecified.Emissionandimmunitylimitsaregivenforitemsofapparatuswhicharesituated:a)withintheboundaryofasubstationwhichdeliverselectricpowertoarailway;b)besidethetrackforthepurposeofcontrollingorregulatingtherailwaypowersupply,includingpowerfactorcorrectionandfiltering;c)alongthetrackforthepurposeofsupplyingelectricalpowertotherailwayotherthanbymeansoftheconductorsusedforcontactcurrentcollection,andassociatedreturnconductors.Includedarehighvoltagefeedersystemswithintheboundaryoftherailwaywhichsupplysubstationsatwhichthevoltageisreducedtotherailwaysystemvoltage.NOTE1Examplesareoneconductorofa25-0-25kV50Hzsystemandthe110kV16,7Hzsupplysystems.NOTE2Similarconductorswhichareoutsidetherailwayboundaryaretreatedasinthepublicareaandareconsideredtobegeneraloverheadpowerlinesalthoughtheyfeedonlytherailway.d)besidethetrackforcontrollingorregulatingelectricpowersuppliestoancillaryrailwayuses.Thiscategoryincludespowersuppliestomarshallingyards,maintenancedepotsandstations;e)variousothernon-tractionpowersuppliesfromrailwaysourceswhicharesharedwithrailwaytraction.Apparatusandsystemswhichareinanenvironmentwhichcanbedescribedasresidential,commercialorlightindustry,evenwhenplacedwithinthephysicalboundaryoftherailwaysubstation,shallcomplywiththerelevantgenericEuropeanEMCstandard.ExcludedfromtheimmunityrequirementsofthisstandardispowersupplyapparatuswhichisintrinsicallyimmunetothetestsdefinedinTables1to6ofthisstandard.NOTE3Anexampleisan18MVA230kVto25kVpowersupplytransformer.ThesespecificprovisionsaretobeusedinconjunctionwiththegeneralprovisionsinEN50121-1.Thispartofthestandardcoversrequirementsforbothapparatusandfixedinstallations.ThesectionsforfixedinstallationsarenotrelevantforCEmarking.
【中国标准分类号】:S04;L06
【国际标准分类号】:29_280;33_100_01;45_020
【页数】:22P.;A4
【正文语种】:英语