热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

BS HR 4-1972 镍-铬-钴-铝-钼-钛耐热合金坯锭、棒材、锻件和部件规范(镍基Cr15、Co14.2、Al5、Mo4、Ti4)

作者:标准资料网 时间:2024-05-10 04:15:18  浏览:9274   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Specificationfornickel-chromium-cobalt-aluminium-molybdenum-titaniumheat-resistingalloybillets,bars,forgingsandparts(nickelbase,Cr15,Co14.2,Al5,Mo4,Ti4)
【原文标准名称】:镍-铬-钴-铝-钼-钛耐热合金坯锭、棒材、锻件和部件规范(镍基Cr15、Co14.2、Al5、Mo4、Ti4)
【标准号】:BSHR4-1972
【标准状态】:现行
【国别】:英国
【发布日期】:1972-04-28
【实施或试行日期】:1972-04-28
【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】:航空运输工程;棒材;坯锭;化学成分;含铬合金;含钴合金;锻件;热处理;耐热材料;材料的机械性能;含钼合金;镍合金;半成品;含钛合金
【英文主题词】:Airtransportengineering;Bars(materials);Billets;Chemicalcomposition;Chromium-containingalloys;Cobalt-containingalloys;Forgings;Heattreatment;Heat-resistantmaterials;Mechanicalpropertiesofmaterials;Molybdenum-containingalloys;Nickelalloys;Semi-finishedproducts;Titanium-containingalloys
【摘要】:BRITISHSTANDARD:AEROSPACESERIESSPECIFICATIONFORNICKEL-CHROMIUM-COBALT-ALUMINIUM-MOLYBDENUM-TITANIUMHEAT-RESISTINGALLOYBILLETS,BARS,FORGINGSANDPARTS(Nickelbase,Cr15,Co14.2,Al5,Mo4,Ti4)1.INSPECTIONANDTESTINGPROCEDURE2.MANUFACTURE3.CHEMICALCOMPOSITION4.CONDITION5.HEATTREATMENT6.MECHANICALPROPERTIES
【中国标准分类号】:V11
【国际标准分类号】:49_025_99
【页数】:8P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforCalciumSulfateinHydratedPortlandCementMortar
【原文标准名称】:水化硅酸盐水泥灰浆中的硫酸钙的标准试验方法
【标准号】:ASTMC265-1999
【标准状态】:作废
【国别】:美国
【发布日期】:1999
【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】:硅酸盐水泥;水泥灰浆;水泥;施工材料;建筑;试验
【英文主题词】:constructionmaterials;testing;cements;construction;portlandcement;cementmortar
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:3P;A4
【正文语种】:英语


【英文标准名称】:Statictransfersystems(STS)-Part2:ElectromagneticCompatibility(EMC)requirements
【原文标准名称】:静态转换系统(STS).第2部分:电磁兼容性(EMC)要求
【标准号】:IEC62310-2-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-01
【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/SC22H
【标准类型】:()
【标准水平】:()
【中文主题词】:组件;定义;电力变换器;电力系统;电气工程;电气安全;电驱动装置;电磁兼容性;电子工程;电子设备及元件;检验;干扰抑制;干扰辐射;测量条件;使用条件;电力电子学;安全;安全规则;安全要求;半导体器件;半导体;规范(验收);试验;可不中断的;连续;不间断电力系统
【英文主题词】:Components;Definitions;Electricconvertors;Electricpowersystems;Electricalengineering;Electricalsafety;Electrically-operateddevices;Electromagneticcompatibility;Electronicengineering;Electronicequipmentandcomponents;EMC;Inspection;Interferencerejections;Interferingemissions;Measurementconditions;Operatingconditions;Powerelectronics;Safety;Safetyregulations;Safetyrequirements;Semiconductordevices;Semiconductors;Specification(approval);Testing;Uninterruptable;Uninterruptiblepowersystems
【摘要】:TheIEC62310seriesappliestofreestandingoperationa.c.statictransfersystems(STS)intendedtoensurethecontinuityofloadsupplythroughcontrolledtransfer,withorwithoutinterruptionofpower,fromtwoormoreindependenta.c.sources.TheIEC62310seriesincludesrequirementsfortheswitchingelements,theircontrolandprotectiveelements,whereapplicable.TheIEC62310seriesalsoincludesinformationfortheoverallintegrationoftheSTSanditsaccessoriesintothea.c.powernetwork.Thisstandardappliestosystemsupto1000Va.c.whichareintendedtobeusedinsinglephase,phase-phaseorthree-phaseapplicationsThispartofIEC62310takesprecedenceoverallaspectsofthegenericstandards,andnoadditionaltestingisnecessary.TherequirementshavebeenselectedsoastoensureanadequatelevelofElectromagneticCompatibility(EMC)forSTSatpublicandindustriallocations.Theselevelscannot,however,coverextremecaseswhichmayoccurinanylocation,butwithextremelylowprobabilityofoccurrence.IttakesintoaccountthedifferingtestconditionsnecessarytoencompasstherangeofphysicalsizesandpowerratingsofSTS.ASTS,whetherpresentedasaunitoranassemblyofunitsshallmeettherelevantrequirementsofthispartofIEC62310asastand-aloneproduct.EMCphenomenaproducedbyanysupplyorloadconnectedtotheinputoroutputoftheSTSequipmentshallnotbetakenintoaccount.Thisstandarddoesnotapplyto:–devicesford.c.sourceswitching;–singlesourcesystems;–transfersystemsusingonlyelectromechanicalswitchingdevicesintendedtobeusedinemergencypowersystemswithinterruptionofthesupplytotheloadduringtransfer;NOTE1SuchequipmentiscoveredbyIEC60947-6-1.–automaticswitchingdevicesintegratedintoUninterruptiblePowerSystems(UPS)coveredbytheIEC62040series.NOTE2ForSTSintendedtobeusedinvehicles,onboardshipsoraircraft,intropicalcountries,forEmergencyPowerSystems(suchasthoseusedforhealthcarefacilities,firefighting,emergencyrescue,etc.),orataltitudesgreaterthan1000m,differentrequirementsmaybenecessary.ThispartofIEC62310concernsElectromagneticCompatibility(EMC).SeeIEC62310-1forgeneralandsafetyrequirements.Specialinstallationenvironmentsarenotcovered,norarefaultconditionsofSTStakenintoaccount.Thisstandardspecifies:–EMCrequirements;–testmethods;–minimumperformancelevels.
【中国标准分类号】:L06
【国际标准分类号】:29_200;33_100_01
【页数】:80P.;A4
【正文语种】:英语



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1