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SJ 3251-1989 地面炮瞄雷达天线通用技术条件

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基本信息
标准名称:地面炮瞄雷达天线通用技术条件
英文名称:General specification for antiairoraft gun radar antenna
中标分类: 综合 >> 标准化管理与一般规定 >> 技术管理
发布部门:中华人民共和国电子工业部
发布日期:1989-03-20
实施日期:1989-03-25
首发日期:1900-01-01
作废日期:2010-01-20
起草单位:机械电子工业部零八一总厂设计所
出版社:电子工业出版社
出版日期:1989-03-25
页数:21页
适用范围

本标准规定了地面炮瞄雷达天线(以下简称天线)的通用的技术要求、试验方法、检验规则、标志、包装、运输和贮存,是大线设计、制造和验收的基本依据。本标准适用于编写产品标准(技术条件)。本标准未包括的内容,如有必要,应在产品标准(技术条件)中明确规定。

前言

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目录

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引用标准

GB 3784 雷达名词术语
GJB 74.2 军用地面雷达通用技术条件 常用名词术语
GJB 16 地面炮瞄雷达可靠性试验方法
GJB 74.1~14 军用地面雷达通用技术条件
GJB 2534.1~18 天线测试方法
SJ 2267 军用电子设备及机械电气装配通用技术条件

所属分类: 综合 标准化管理与一般规定 技术管理
【英文标准名称】:StandardGuideforDevelopingaCost-EffectiveRiskMitigationPlanforNewandExistingConstructedFacilities
【原文标准名称】:开发新的和现有工程设施成本风险缓解的标准指南
【标准号】:ASTME2506-2006e1
【标准状态】:现行
【国别】:美国
【发布日期】:2006
【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】:adjustedinternalrateofreturn;analyticalhierarchyprocess;buildingconditionassessment;buildingeconomics;buildingsystems;costanalysis;economicevaluationmethods;economicimpacts;engineeringeconomics;homelandsecurity;impactassessment;
【摘要】:StandardpracticesformeasuringtheeconomicperformanceofinvestmentsinbuildingsandbuildingsystemshavebeenpublishedbyASTM.Acomputerprogramthatproduceseconomicmeasuresconsistentwiththesepracticesisavailable.ThecomputerprogramisdescribedinAppendixX3.DiscountFactorTableshasbeenpublishedbyASTMtofacilitatecomputingmeasuresofeconomicperformanceformostofthepractices.Investmentsinlong-livedprojects,suchastheerectionofnewconstructedfacilitiesoradditionsandalterationstoexistingconstructedfacilities,arecharacterizedbyuncertaintiesregardingprojectlife,operationandmaintenancecosts,revenues,andotherfactorsthataffectprojecteconomics.Sincefuturevaluesofthesevariablefactorsaregenerallyunknown,itisdifficulttomakereliableeconomicevaluations.Thetraditionalapproachtouncertaintyinprojectinvestmentanalysisistoapplyeconomicmethodsofprojectevaluationtobest-guessestimatesofprojectinputvariables,asiftheywerecertainestimates,andthentopresentresultsinasingle-value,deterministicfashion.Whenprojectsareevaluatedwithoutregardtouncertaintyofinputstotheanalysis,decisionmakersmayhaveinsufficientinformationtomeasureandevaluatethefinancialriskofinvestinginaprojecthavingadifferentoutcomefromwhatisexpected.Tomakereliableeconomicevaluations,treatmentofuncertaintyandriskisparticularlyimportantforprojectsaffectedbynaturalandman-madehazardsthatoccurinfrequently,buthavesignificantconsequences.Followingthisguidewhenperforminganeconomicevaluationassurestheuserthatrelevanteconomicinformation,includinginformationregardinguncertaininputvariables,isconsideredforprojectsaffectedbynaturalandman-madehazards.Usethisguideintheprojectinitiationandplanningphasesoftheprojectdeliveryprocess.Considerationofalternativecombinationsofriskmitigationstrategiesearlyintheprojectdeliveryprocessallowsbothgreaterflexibilityinaddressingspecifichazardsandlowercostsassociatedwiththeirimplementation.UsethisguideforeconomicevaluationsbasedonPracticesE917(life-cyclecosts),E964(benefit-to-costandsavings-to-investmentratios),E1057(internalrateofreturnandadjustedinternalrateofreturn),E1074(netbenefitsandnetsavings),andE1765(analyticalhierarchyprocessformultiattributedecisionanalysis).UsethisguideinconjunctionwithGuideE2204tosummarizetheresultsofeconomicevaluationsinvolvingnaturalandman-madehazards.1.1Thisguidedescribesagenericframeworkfordevelopingacost-effectiveriskmitigationplanfornewandexistingconstructedfacilitiesx2014;buildings,industrialfacilities,andothercriticalinfrastructure.Thisguideprovidesownersandmanagersofconstructedfacilities,architects,engineers,constructors,otherprovidersofprofessionalservicesforconstructedfacilities,andresearchersanapproachforformulatingandevaluatingcombinationsofriskmitigationstrategies.1.2Thisguideinsuresthatthecombinationsofmitigationstrategiesareformulatedsothattheycanberigorouslyanalyzedwitheconomictools.Economictoolsincludeevaluationmethods,standardsthatsupportandguidetheapplicationofthosemethods,andsoftwareforimplementingtheevaluationmethods.1.3Thegenericframeworkdescribedinthisguidehelpsdecisionmakersassessthelikelihoodthattheirfacilityanditscontentswillbedamagedfromnaturalandman-madehazards;identifyengineering,management,andfinancialstrategiesforabatingtheriskofdamages;andusestandard......
【中国标准分类号】:P02
【国际标准分类号】:91_040_01
【页数】:12P.;A4
【正文语种】:英语


基本信息
标准名称:夹具通用件压紧件 叉形压板
中标分类:
发布日期:1994-10-31
实施日期:1995-01-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:2页
适用范围

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前言

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目录

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引用标准

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所属分类: