A59 声学计量 标准查询与下载

ISO 2204:1979 声学.气载噪音测量和它对人类影响估价的国际标准指南

Acoustics; Guide to International Standards on the measurement of airborne acoustical noise and evaluation of its effects on human beings

ARMY MIL-H-49161-1978 MK-1697()/G耳机麦克风套件

This specification covers one type of Headset-Nicrophone Kit designated as Headset- icrophone Kit KK-1697( )/C, designed tofit DH-132 armored vehicle crewman helmets.

HEADSET-MICROPHONE KIT MK-1697( )/G

DLA MIL-S-9320 C (2)-1976 MA-1型头戴耳机的可听的警告信号

This amendment forms a part of Military Specification MIL-S-9320C. dated 79 April 1971. and is approved for use by all Departments and Agencies of the Department of Defense

SIGNAL, WARNING, AUDIBLE, FOR HEADSET, TYPE MA-1

ASA S2.9-1976 物质阻尼特征规范术语ASA 6-1976

Nomenclature for Specifying Damping Properties of Materials ASA 6-1976

Nomenclature for Specifying Damping Properties of Materials ASA 6-1976

NF S30-006:1976 声学.噪音源功率的测定.第0部分:基本标准的使用和编写噪音试验规则的指南

ACOUSTICS. DETERMINATION OF SOUND POWER LEVELS OF NOISE SOURCES. PART 0 : GUIDELINES FOR THE USE OF BASIC STANDARDS AND FOR THE PREPARATION OF NOISE TEST CODES.

NF S30-010:1974 声学 噪声等级 NR 曲线

Acoustique - Courbes NR d'évaluation du bruit.

DLA MIL-S-9320 C-1971 MA-1型头戴耳机的可听的警告信号

This specification covers one type of audible warning signal designated MA-1 for operation on 28 volts direct current (DC).

SIGNAL, WARNING, AUDIBLE, FOR HEADSET, TYPE MA-1

NAVY MIL-A-50372-1970 1000-41 旋转致动装置

This specification covers Actuator, Rotary 1000-41 Assembly, loaded with cartridge 5000-1, for use in conjunction with other propellant actuated devices in aircrew emergency escape systems.

ACTUATOR, ROTARY 1000-41 ASSEMBLY

NAVY MIL-A-14897-1969 1000-34 旋转致动装置

This specification covers Actuator, Rotary 1000-34 Assembly, loaded-wi%kcartridge 5000-1, for use in conjunction With other propellant actuated devices- in aircrew eEergency escape systems.

ACTUATOR, ROTARY 1000-34 ASSEMBLY

NAVY MIL-A-82430 A (1)-1969 (MK 46 MOD 1鱼雷用)致动装置

This ameuãment forms a part of Military Specification MIL-A-8243OA(OS) of 10 April i968 and has been approved by the Naval Ordnance Systems Command, Department of the Navy

ACTUATOR ASSEMBLY (FOR TORPEDO MK 46 MOD 1)

NAVY MIL-A-82430 A-1968 (MK 46 MOD 1鱼雷用)致动装置

This specification covers requirements for the procurement of one type of actuator assembly (see 6.1.2).

ACTUATOR ASSEMBLY (FOR TORPEDO MK 46 MOD 1)

NAVY MIL-A-60681-1967 1000-37 旋转致动装置

This specification is the applicable detail specification for Actuator, Rotary 1000-37 AssenMy, loaded with cartridge 5OOO-l, for use in conjunction with other propellant actuated devices in aircrew emergency escape systems.

ACTUATOR, ROTARY 1000-37 ASSEMBLY

NAVY MIL-A-60657-1967 1000-39 旋转致动装置

This specification is the applicable detail. specification for Actuator, Rotary 1000-39 Assembly, loa conjunction with other propellant actucape ‘systemi.

ACTUATOR, ROTARY 1000-39 ASSEMBLY

ANSI/AMCA 301-1965 空气流动装置用声音等级的发布方法

This Standard applies to: a)Centrifugal Fans.b)Axial and Propeller Fans.c)Power Roof and Wall Ventilators.d)steam and Hot Water Unit Heaters.It is intended that this Standard shall also apply to Central Station Heating, Ventilating and Air Conditioning Units. When a detailed method of publishing sound ratings for these units has been adopted an addendum to this Standard will be issued.

METHOD OF PUBLISHING SOUND RATINGS FOR AIR MOVING DEVICES

JJF 1276-1990 瓦级超声功率基准操作技术规范

Watt-level Ultrasonic Power Reference Operation Technical Specifications

JJF 1281-1990 骨导听力零级基准操作技术规范

Bone conduction hearing zero-level benchmark operation technical specification

JJF 1275-1990 低频（1～2000Hz）水声声压基准操作技术规范

Low frequency (1~2000Hz) underwater acoustic sound pressure benchmark operation technical specification

JJF 1274-1990 中频（2～100kHz）水声声压基准操作技术规范

Intermediate frequency (2~100kHz) underwater acoustic sound pressure benchmark operation technical specification

JJF 1273-1990 高频（0.1～5MHz）水声声压基准操作技术规范

High frequency (0.1~5MHz) underwater acoustic sound pressure reference operation technical specification

JJF 1272-1990 空气声压基准（自由声场）操作技术规范

Technical specification for the operation of air sound pressure reference (free sound field)