FJ 407-1984 绢丝试验方法
时间:2024-04-20 12:28:11 来源: 标准资料网 作者:标准资料网 阅读:8043
基本信息
标准名称: | 绢丝试验方法 |
中标分类: |
纺织 >>
丝纺织 >>
丝制纱、线 |
替代情况: | 被FZ/T 40003-1997代替 |
发布日期: | |
实施日期: | 1995-11-01 |
首发日期: | |
作废日期: | |
出版日期: | |
页数: | 9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: 纺织 丝纺织 丝制纱 线
【英文标准名称】:SpecificationforClassificationandMarkingofSingle-LensScopesforUsewithArcheryBows
【原文标准名称】:射箭弓用单镜头观测镜分类和标记规范
【标准号】:ANSI/ASTMF1753-1996
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Archery;Bows;Classification;Lenses;Marking;Scope;Single;Specification;Sports;Sportsequipment;Watersportsequipment
【摘要】:Thisspecificationcoverslensesandscopesusedinconjunctionwitharcherybows.Itestablishesastandardizedsystemfortheclassificationoftheselensesintermsoftheiropticalmagnification,themarkingofthescopesinwhichthelensesaremounted,andchartsdepictingtheempiricalrelationshipoftheapparentmagnificationtheconsumercanexpecttoobtainwhenacorrectlymarkedlensisusedunderspecificconditions.AcuityThevisualacuityoftheselensesisrelatedtothemagnificationofthelensingeneral.Fortheaveragesubjecttherecanbeanimprovementinacuitywithlenseshavingapparentmagnificationsof2to4andadecrementinacuitywithlensesof6andgreater.Acuityalsoisdependentonotherfactors,suchasthespecificindividual,lensquality,andthesizeandqualityoftherearaperture(peep)usedinconjunctionwiththelens.Beyondthisstatement,acuityisnotthesubjectofthisspecification.
【中国标准分类号】:Y55
【国际标准分类号】:97_220_40
【页数】:
【正文语种】:英语
Product Code:SAE AIR825/11
Title:Closed-Cycle Protective Breathing Devices
Issuing Committee:A-10 Aircraft Oxygen Equipment Committee
Scope:Closed-cycle protective breathing apparatus, commonly referred to as rebreathers, or CCBA provide trained aircrew members or ground personnel with eye and respiratory protection from toxic atmospheres.