EN 60027-3-2007 电工技术用字母符号.第3部分:对数和相关量及其单位
时间:2024-05-14 14:20:18 来源: 标准资料网 作者：标准资料网 阅读：8971
【英文标准名称】:Lettersymbolstobeusedinelectricaltechnology-Part3:Logarithmicandrelatedquantities,andtheirunits(IEC60027-3:2002);GermanversionEN60027-3:2007
【原文标准名称】:电工技术用字母符号.第3部分:对数和相关量及其单位
【标准号】:EN60027-3-2007
【标准状态】:现行
【国别】:
【发布日期】:2007-11
【实施或试行日期】:2007-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;转换系数;换算(计量单位);电气工程;场量;信息论;对数;数学实体;数学符号;测量;量;额定;比率量;尺寸;符号;电信;单位
【英文主题词】:Acoustics;Conversionfactor;Conversion(unitsofmeasurement);Electricalengineering;Fieldquantity;Informationtheory;Logarithmizes;Logarithms;Mathematicalentities;Mathematicalsymbols;Measurement;Quantities;Rating;Ratioquantity;Size;Symbols;Telecommunications;Units
【摘要】:
【中国标准分类号】:K04
【国际标准分类号】:01_060;01_075;29_020
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSpecimenPreparationandMountingofTextile,PaperorVinylWallorCeilingCoveringstoAssessSurfaceBurningCharacteristics
【原文标准名称】:评定表面燃烧性能用纺织品、纸或乙烯基壁纸或天花板覆盖物的试样制备与安装用标准实施规程
【标准号】:ASTME2404a-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:燃烧;内部装饰;安装;纸;试样制备;样品;表面;墙面覆盖物;墙
【英文主题词】:Burning;Interiordecoration;Mounting;Paper;Specimenpreparation;Specimens;Surfaces;Wallcoverings;Walls
【摘要】:
【中国标准分类号】:Q10;Q18
【国际标准分类号】:91_180
【页数】:3P;A4
【正文语种】:英语
Product Code:SAE AIR5631
Title:Catalog of Landing Gear Systems and Suppliers
Issuing Committee:A-5 Aerospace Landing Gear Systems Committee
Scope:The purpose of this document is to provide a listing for current commercial and military aircraft landing gear systems and their types and manufacturers. Data has been provided for the following aircraft types: wide body jet airliners, narrow body jet airliners, turboprop/commuter aircraft, cargo/transport aircraft and fighter/attack aircraft. The aircraft that have been included in this document are in operational service either with airlines, business, cargo or military operators. No information is presented for aircraft that are currently being developed or that are not in extensive usage. This document will provide an informational reference for landing gear engineers to access when evaluating other gear and aircraft systems.