Aerospace; concepts, quantities and symbols for flight dynamics; aircraft motion relative to the air; ISO 1151-1:1988 modified
适用范围：This standard gives basic definitions and deals with aircraft motion relative to the atmosphere, assumed to be at rest or in translational motion at constant velocity to the earth.#,,#
实施日期：2010-11-01
Railway applications - Aerodynamics - Part 1: Symbols and units
适用范围：This standard applies to aerodynamics for railway applications. It defines symbols and units used in formulae and calculations in the field of aerodynamics. The definitions given in this standard expla...
Reference conditions, normal conditions, normal volume; concepts and values
适用范围：This standard explains the terms reference conditions, normal conditions and normal volume and specifies values for normal temperature, normal pressure and molar normal volume of an ideal gas.
Mathematical signs and symbols for use in the physical sciences and technology
适用范围：依据国家标准公告2017年第7号，该标准不再强制执行，标准代号由GB改为GB/T，标准顺序号和年代号不变。 本标准规定了物理科学和技术中使用的数学符号的含义、读法和应用。本标准适用于所有科学技术领域。
发布日期：1993-07-01 实施日期：1994-07-01
Measurement of fluid flow in closed conduits - Ultrasonic meters for gas -- Part 1: Meters for custody transfer and allocation measurement
适用范围：ISO 17089-1:2010 specifies requirements and recommendations for ultrasonic gas flowmeters (USMs), which utilize the transit time of acoustic signals to measure the flow of single phase homogenous gases...
发布日期：2010-11-01 实施日期：2010-11-01
Railway applications. Gauges. Rolling stock gauge
发布日期：2013-07-31 实施日期：2013-07-31
Quantities and units -- Part 8: Acoustics
适用范围：ISO 80000-8:2007 gives names, symbols and definitions for quantities and units of acoustics. Where appropriate, conversion factors are also given.
发布日期：2007-06-01 实施日期：2007-06-01
Disc springs - Calculation
适用范围：This standard specifies design criteria and features of disc springs, whether as single disc springs or as stacksof disc springs. It includes the definition of relevant concepts as well as design formu...
实施日期：2007-08-01
Railway applications. Gauges. General. Common rules for infrastructure and rolling stock
发布日期：2013-07-31 实施日期：2013-07-31
Acoustics -- Definitions of basic quantities and terms
适用范围：ISO/TR 25417:2007 specifies definitions of acoustical quantities and terms used in noise measurement documents prepared by ISO Technical Committee TC 43, Acoustics, Subcommittee SC 1, Noise, together w...
发布日期：2007-12-01 实施日期：2007-12-01
Special functions of mathematical physics; symbols and concepts
适用范围：The document contains symbols and concepts of special functions of mathematical physics, which are often applied in physics and technology.#,,#
Bahnanwendungen. Aerodynamik. Formelzeichen und Einheiten Railway applications-Aerodynamics-Part 1:Symbols and units Applications ferroviaires. Aerodynamique. Symboles et unites
适用范围：This European Standard applies to aerodynamics for railway applications. It defines symbols and units used in formulae and calculations in the field of aerodynamics. The definitions given in this Europ...
实施日期：2003-04-28
Character set for bibliographic information interchange on mathematical coding of characters
适用范围：本标准规定了文献书目信息交换用数学字符的编码字符集。内容包括代码表、字符含义注解及附注三个部分。
发布日期：1986-06-18 实施日期：1987-05-31
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