DZ 5-1981 地质机械产品铜铸件通用技术条件
作者:标准资料网 时间:2024-05-09 22:24:13 浏览:9006
来源:标准资料网
基本信息
标准名称: | 地质机械产品铜铸件通用技术条件 |
中标分类: |
机械 >>
加工工艺 >>
铸造 |
发布日期: | |
实施日期: | 1992-11-19 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 5页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 机械 加工工艺 铸造
【英文标准名称】:Spaceengineering-Verification
【原文标准名称】:航天工程.检定
【标准号】:BSEN14725-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-12-22
【实施或试行日期】:2003-12-22
【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】:ThisEuropeanStandardestablishestherequirementsfortheverificationofaspacesystemproduct.Itspecifiesthefundamentalconceptsoftheverificationprocess,thecriteriafordefiningtheverificationstrategyandtherulesfortheimplementationoftheverificationprogramme.ItincludesalsoinannexesAandBthedescriptionoftherequireddocumentation(i.e.DRDs)andsomeguidelinesonspecificaspectsoftheverificationprocesssuchasthemodelphilosophydefinition.ThisEuropeanStandardisintendedtoapplytodifferentproductsatdifferentlevels(i.e.fromasingleequipmenttotheoverallsystem).Itisapplicabletoboththecustomerandthesupplieroftheproductduringallprojectphases.Theapplicationoftheserequirementstoaparticularprojectisintendedtoresultinaneffectiveproductverificationandconsequentlytoahighconfidenceinachievingsuccessfulproductoperationsfortheintendeduse.InpreparingthisEuropeanStandardthefollowinggoalshavebeenconsideredtofacilitateitsapplication,effectiveuseandtailoring:—definitionofanenvelopeofthesetsofminimumverificationrequirementsapplicabletothedifferentproducts,sothattailoringisaselection(inreduction)process;—clearidentificationofmandatoryrequirements,tailorablerequirementsandrecommendationsbymeansoftheappropriateuseof"shall","should"and"may"respectively;—textdefiningrequirementsshouldbeself-standingtothegreatestpossibleextent,toallowdirecttailoring.Whenviewedfromtheperspectiveofaspecificprojectcontext,therequirementsdefinedinthisstandardshouldbetailoredtomatchthegenuinerequirementsofaparticularprofileandcircumstancesofaprojectandwithreferencetoannexB.2.NOTETailoringisaprocessbywhichindividualrequirementsofspecifications,standardsandrelateddocumentsareevaluated,andmadeapplicabletoaspecificprojectbyselection,andinsomeexceptionalcases,modificationofexistingoradditionofnewrequirements.
【中国标准分类号】:V04
【国际标准分类号】:49_140
【页数】:152P;A4
【正文语种】:英语