ASTM A 144-2004 钨铁合金规范

作者:标准资料网 时间:2024-05-19 18:50:44   浏览:8673   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:SpecificationforFerrotungsten
【原文标准名称】:钨铁合金规范
【标准号】:ASTMA144-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004
【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】:铁;钨铁;钨;铁合金
【英文主题词】:ferrotungsten;iron;tungsten;ferro-alloys
【摘要】:
【中国标准分类号】:H42
【国际标准分类号】:77_120_99
【页数】:2P;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforUtilizingtheEnvironmentalCostElementStructurePresentedbyClassificationE2150
【原文标准名称】:分类E2150提供的利用环境损耗件结构的标准指南
【标准号】:ASTME2637-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:E06.81
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:CERCLA;characterization;cleanuptechnology;codeofaccounts;costelements;costestimation;costmanagement;decommissioning;decontamination;ECES;environmentalcostelementstructure;environmentalmanagement;environmentalremediation;environment
【摘要】:Inadditiontoitscostmanagementandprojectmanagementfunctions,theECEScanalsobeusedtosupportanumberofotherprogramandprojectfunctions.Thesefunctionsinclude:Bidsolicitation,collection,andevaluation;Communicatingprojectdatabetweeninstallations,complexes,agencies,andindustry;Providingaprojectchecklist;Costandscheduleestimating;Historicalcost/scheduledatacollection;Historicalprojectdatacollection(forexample,technologydeployments,projectconditions);Validatingandcalibratingcostestimatesandsoftwaretools;andEstablishinganddisseminatingbestpracticesandlessonslearned.Severalgovernmentagenciesarealreadyincorporatingthisstructureintoexistingandfuturecostestimatingmodels,databases,andothersimilarsoftwaretoolsandsystems.1.1TheEnvironmentalCostElementStructure(ECES)coveredbyClassificationE2150(andAdjunctE2150)providesaconsistentandcomprehensivestructureacrossallphasesofenvironmentalremediationprojectsandisatooltoimprovethecostmanagementofthoseprojects.ThisguideisintendedtofacilitatetheapplicationoftheECEStoanyenvironmentalremediationproject,withoutregardtoprojectsize.1.2ClassificationE2150establishesthebroad,top-levelframeworkforenvironmentalremediationprojectsbyprovidingahierarchicallistofprojectelementstotwolevelsofdetail.ItsassociatedAdjunctE2150supportsthetop-levelstructurebyprovidingmoredetailedelementsanddefinitionsoftheECEStothreeadditionallevelsofdetail.AlthoughitisassumedthattheuserisfamiliarwithClassificationE2150,muchofthecontentoftheclassificationisrepeatedinthisguidetorelievetheuseroftheburdenofback-and-forthreferencingduringuse.Itisassumed,however,thatallusersofthisguidewillhaveathandbothClassificationE2150andtheAdjunctE2150duringprojectplanning.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z04
【国际标准分类号】:13_020_10
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Semiconductordevices-Discretedevices-Microwavediodesandtransistors
【原文标准名称】:半导体装置.分立装置.微波二极管和晶体管
【标准号】:BSIEC60747-4-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-02-29
【实施或试行日期】:2008-02-29
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThispartofIEC60747givesrequirementsforthefollowingcategoriesofdiscretedevices:–variablecapacitancediodesandsnap-offdiodes(fortuning,up-converterorharmonicmultiplication,switching,limiting,phasedshift,parametricamplification);–mixerdiodesanddetectordiodes;–avalanchediodes(fordirectharmonicgeneration,amplification);–gunndiodes(fordirectharmonicgeneration);–bipolartransistors(foramplification,oscillation);–field-effecttransistors(foramplification,oscillation).
【中国标准分类号】:L40
【国际标准分类号】:31_080_10;31_080_30
【页数】:140P;A4
【正文语种】:英语