JB 5337-1991 YW系列无火花型三相异步电动机 技术条件 (机座号80-315)

作者:标准资料网 时间:2024-05-14 09:43:26   浏览:9223   来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称:YW系列无火花型三相异步电动机 技术条件 (机座号80-315)
中标分类: 电工 >> 旋转电机 >> 防爆电机
发布部门:中华人民共和国机械电子工业部
发布日期:1991-06-28
实施日期:1992-07-01
首发日期:1900-01-01
作废日期:1900-01-01
提出单位:机械电子工业部南阳防爆电气研究所
归口单位:机械电子工业部南阳防爆电气研究所
起草单位:南阳防爆电气研究所、南阳防爆电机厂、佳木斯电机厂
起草人:易以睦、陆元昌、刘连生、王宛丽
出版社:机械科学研究院出版社
出版日期:1992-07-01
页数:23页
适用范围

本标准规定了YW系列无火花型三相异步电动机的型式、基本参数与尺寸、技术要求、试验方法与检验规则以及标志与包装的要求。
本标准适用于机座号80~315YW系列无火花型三相异步电动机(以下简称电动机)。凡属本系列电动机派生的各种系列电动机也可参照执行。

前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 电工 旋转电机 防爆电机
下载地址: 点击此处下载
Product Code:SAE ARP5600
Title:Disposition of Damaged Wheels Involved in Accidents/Incidents
Issuing Committee:A-5a Wheels, Brakes And Skid Controls Committee
Scope:This SAE Aerospace Recommended Practice (ARP) establishes a procedure for disposition of aircraft wheels that have been involved in accidents/incidents or have been exposed to overheat conditions or overload conditions from loss of adjacent tire pressure (paired wheels) or wheel tie bolts.【英文标准名称】:StandardPracticeforUseofaCeric-CerousSulfateDosimetrySystem
【原文标准名称】:高铈-三价铈硫酸剂量测定系统应用的实施规程
【标准号】:ASTMISO/ASTM51205-2009
【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】:E10.01
【标准类型】:(ISO/ASTM)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorbeddose;ceric-ceroussulfatedosimeter;dose;dosemeasurement;dosimeter;dosimetrysystem;electronbeam;gammaradiation;ionizingradiation;irradiation;photons;radiation;radiationprocessing;reference-standarddosimeter;Xrays;ICS
【摘要】:4.1Theceric-ceroussystemprovidesareliablemeansfordeterminingabsorbeddosetowater.Itisbasedonaprocessofreductionofcericionstocerousionsinacidicaqueoussolutionbyionizingradiation(1,4).NOTE3-Theceric-ceroussystemdescribedinthepracticehasceroussulfateaddedtotheinitialsolutiontoreducetheeffectoforganicimpuritiesandtoallowthepotentiometricmethodofmeasurement.Othersystemsusedfordosimetryincludesolutionsofcericsulfateorcericammoniumsulfateinsulfuricacidwithouttheinitialadditionofceroussulfate.Theseothersystemsarebasedonthesameprocessofreductionofcericionstocerousionsbutarenotincludedinthispractice.4.2Thedosimeterisasolutionofcericsulfateandceroussulfateinsulfuricacidinanappropriatecontainersuchasaflame-sealedglassampoule.Thesolutionindicatesalevelofabsorbeddosebyachange(decrease)inopticalabsorbanceataspecifiedwavelengthintheultravioletregion,orachange(increase)inelectropotential.Acalibratedspectrophotometerisusedtodeterminetheabsorbanceandapotentiometer,withaspeciallydesignedcell,isusedtodeterminetheelectropotentialinmillivolts.4.3Thedosimeterresponsehasanirradiationtemperaturedependencesincetheradiationchemicalyield(G~Ce31!)dependsontemperature.ThedependenceofG~Ce31!isapproximatelyequalto-0.2%perdegreeCelsiusbetween0and62癈(3,5,6).Thisirradiationtemperaturedependencehasaslightdependenceontheinitialcerousionconcentration(see10.6.3).4.4Theabsorbeddosetomaterialsotherthanwaterwhenirradiatedunderequivalentconditionsmaybecalculated.ProceduresformakingsuchcalculationsaregiveninASTMPracticesE666andE668andISO/ASTMGuide51261.NOTE4-Foracomprehensivediscussionofvariousdosimetrymethodsapplicabletotheradiationtypesandenergiesdiscussedinthispractice,seeICRUReports14,34,35,and37.1.1Thispracticecoversthepreparation,testing,andprocedureforusingtheceric-ceroussulfatedosimetrysystemtomeasureabsorbeddoseinwaterwhenexposedtoionizingradiation.Thesystemconsistsofadosimeterandappropriateanalyticalinstrumentation.Forsimplicity,thesystemwillbereferredtoastheceric-ceroussystem.Itisclassifiedasareferencestandarddosimetrysystem(seeISO/ASTMGuide51261).Ceric-cerousdosimetersarealsousedastransfer-standarddosimetersorroutinedosimeters.1.2Thispracticedescribesboththespectrophotometricandthepotentiometricreadoutproceduresfortheceric-ceroussystems.1.3Thispracticeappliesonlyto947;rays,Xrays,andhighenergyelectrons.1.4Thispracticeappliesprovidedthefollowingaresatisfied:1.4.1Theabsorbed-doserangeshallbebetween5102and5104Gy(1).1.4.2Theabsorbed-doserateshallbelessthan106Gy/s(1).1.4.3Forradionuclidegamma-raysources,theinitialphotonenergyshallbegreaterthan0.6MeV.Forbremsstrahlungphotons,theinitialenergyoftheelectronsusedtoproducethebremsstrahlungphotonsshallbeequaltoorgreaterthan2MeV.Forelectronbeams,theinitialelectronenergyshallbegreaterthan8MeV.Note18212;Thelowerenergylimitsareappropriateforacylindricaldosimeterampouleof12-mmdiameter.Correctionsfordosegradientsacrossanampouleofthatdiameterorlessarenotrequiredforphotons,butmayberequiredforelectronbeams(2).Theceric-ceroussystemmaybeusedatlowerenergiesbyemployingthinner(inthebeamdirection)dosimetercontainers(seeICRUReport35).1.4.4Theirradiationtemperatureofthedosimetershallbebetween0and62176;C(3).Note28212;Thetemperaturecoefficientofdosimeterresponseisknownonlyin......
【中国标准分类号】:
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:英语