Technical Requierment for enviromental protection product Genernal low noise axle-flow flower
适用范围:本标准规定了一般用途低噪声轴流通风机的技术要求、试验方法和检验规划。 本标准适用于通风换气、空调和生产场所使用的单级轴流通风机,其输送介质为空气或其它不含腐蚀性物质的气体混合物;通风机最大流量不超过75000m3/h...
发布日期:2007-12-03 实施日期:2008-03-01
Methods of measurement for leakage current between last anode and each electrode of low noise travelling wave tubes ...
实施日期:1973-07-01
Methods of measuremenet for cathode prehcating time of low noise travelling wave tubes ...
实施日期:1973-07-01
Methods of measurement for equipment used in digital microwave radio transmission systems - Part 3: Measurements on satellite earth stations - Section 4: Low noise amplifier
适用范围:Describes methods of measurement on low-noise amplifiers used in satellite earth stations.
发布日期:1993-04-20 实施日期:1993-04-20
Methods of measurement for noise figure for low noise travelling wave tubes ...
实施日期:1973-07-01
Methods of measurement for bandwidth of low noise travelling wave tubes ...
实施日期:1973-07-01
Methods of measurement for power gain of low noise travelling wave tubes ...
实施日期:1973-07-01
Semiconductor discrete device. Detail specification for low-noise silicon voltage-regulator diodes for types 2DW14~18
发布日期:2002-10-30 实施日期:2003-03-01
Semiconductor discrete device--Detail specification for silicon NPN ultra-high frequency low-noise dual-difference match transistor of Type 3DG213
适用范围:本规范规定了3DG213型NPN硅超高频低噪声双差分对晶体管(以下简称器件)的详细要求。该种器件按GJB 33《半导体分立器件总规范》的规定,提供产品保证的三个等级(GP、GT和GCT级)。
发布日期:1992-11-19 实施日期:1993-05-01
Methods of measurement for cold loss of low noise travelling wave tubes ...
实施日期:1973-07-01
Acoustics -- Recommended practice for the design of low-noise machinery and equipment -- Part 2: Introduction to the physics of low-noise design
发布日期:1998-09-01 实施日期:1998-09-01
Acoustics - Recommended practice for the design of low-noise machinery and equipment - Part 1: Planning
适用范围:GB/T 25078的本部分有助于对机器和设备噪声控制基本概念的堙解。本部分所推荐的方法旨在帮助在任何设计阶段的设计者控制最终产品的噪声。选择产品的系统化开发设计流程为基础,构成本部分的结构框架(见第4章)。本部分投有...
发布日期:2010-09-02 实施日期:2011-04-01
Semiconductor integrated circuits Detail specification for type JF36 low noise wide-band amplifier
适用范围:本规范规定了半导体集成电路JF36型低噪声宽带放大器(以下简称器件)的详细要求。本规范适用于器件的研制、生产和采购。
发布日期:1906-06-08 实施日期:1997-10-01
Methods of measurement for voltages and currents on per-electrode of low noise travelling wave tubes ...
实施日期:1973-07-01
Semiconductor discrete devices Detail specification for type 3DG144 NPN silicon high-frequency Low-noise Low-power transistor
适用范围:本规范规定了3DG144型NPN硅高频低噪声小功率品体管(以下简称器件)的详细要求。
发布日期:1996-06-14 实施日期:1996-10-01
Acoustics. Recommended Practice for the Design of Low-Noise Machinery and Equipment. Part 2:Introduction to the Physics of Low-Noise Design
发布日期:2000-12-01 实施日期:2000-12-01
Low noise block for satellite communication earth station equipment techinical requirement
适用范围:本标准规定了卫星通信地球站设备低噪声变频放大器技术要求,包括环境条件、电气性能、机械结构、安全要求、电磁兼容等内容。
发布日期:2013-04-25 实施日期:2013-06-01
Specification of low noise hydraulic pump for ship
适用范围:本规范规定了舰船用轴向柱塞式、子母叶片式、柱销叶片式和内啮合齿轮式低噪声液压吵泵(以下简称泵)的要求、质量保证规定和交货准备等。本规范适用于以石油基矿物为工作介质的泵的设计、制造和验收。
发布日期:2008-03-17 实施日期:2008-10-01
Methods of measurement for dynamic ranges of low noise travelling wave tubes ...
实施日期:1973-07-01
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