MIL-STD-12D

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MIL-STD-12D, MILITARY STANDARD: ABBREVIATIONS FOR USE ON DRAWINGS, AND IN SPECIFICATIONS, STANDARDS AND TECHNICAL DOCUMENTS (29 MAY 1981) [S/S BY ASME Y14.38M]., The terms and abbreviations in this standard are limited to those commonly used on drawings, and in specifications, standards, and technical documents.

MIL-STD-12D (NOTICE 1), MILITARY STANDARD: ABBREVIATIONS FOR USE ON DRAWINGS, AND IN SPECIFICATIONS, STANDARDS AND TECHNICAL DOCUMENTS (25 SEP 1998) [S/S BY ASME Y14.38M]., MIL-STD-12D, dated 29 May 1981, is hereby canceled. Future acquisitions should refer to ASME Y14.38M, Abbreviations and Acronyms. (Application for copies of ASME publications should be addressed to the American Society of Mechanical Engineers, 345 East 47th Street, New York, NY 10017-2392)

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MIL-PRF-32227, PERFORMANCE SPECIFICATION, FLAME DETECTOR ZONE MODULE (FDZM), SWITCH CLOSURE ZONE MODULE (SCZM), AND ISOLATOR, ADVANCED FIRE AND SMOKE SENSOR SYSTEM (AFSSS) (25 OCT 2006)., This specification covers the performance requirements for Flame Detector Zone Modules (FDZM) (see 6.8.6), Switch Closure Zone Modules (SCZM) (see 6.8.16), and isolators (see 6.8.9) and their respective enclosures, which are components of an overall Advanced Fire and Smoke Sensor System (AFSSS) for use on naval ships. These devices may be of commercial-off-the-shelf (COTS) design, but must be rugged (see 6.8.13) enough to meet all of the requirements of this performance specification and the rigors of Navy shipboard service. Performance requirements for the other associated AFSSS components (e.g., ionization (see 6.8.8) and photoelectric (see 6.8.10) smoke sensors (see 6.8.15), heat sensors (see 6.8.7)【英文标准名称】:Acoustics-Sound-scatteringpropertiesofsurfaces-Part2:Measurementofthedirectionaldiffusioncoefficientinafreefield
【原文标准名称】:声学.表面的声音扩散特性.第1部分:自动声场中定向扩散系数的测定
【标准号】:ISO17497-2-2012
【标准状态】:现行
【国别】:国际
【发布日期】:2012-05
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学性质和声学现象;声学;定义;扩散;扩散系数;分散;反射;散射系数;声场;表面;测试
【英文主题词】:Acousticpropertiesandphenomena;Acoustics;Definitions;Diffusion;Diffusioncoefficient;Dispersion;Reflection;Scatteringcoefficient;Soundfields;Surfaces;Testing
【摘要】:
【中国标准分类号】:P31
【国际标准分类号】:91_120_20
【页数】:15P;A4
【正文语种】:英语