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声学．混响室内吸声效果的测定

Acoustics - Measurement of sound absorption in a reverberation room

用管、两个传声器和数字频率分析系统测定声学材料的阻抗和吸收的标准试验方法

Standard Test Method for Impedance and Absorption of Acoustical Materials Using A Tube, Two Microphones and A Digital Frequency Analysis System

用管、两个传声器和数字频率分析系统测定声学材料阻抗和吸收的标准试验方法

Standard Test Method for Impedance and Absorption of Acoustical Materials Using a Tube, Two Microphones and a Digital Frequency Analysis System

声学. 吊顶的测试代码. 吸声

Acoustics. Test code for suspended ceilings. Sound absorption

道路交通噪声降低装置 确定声学性能的测试方法 固有特性 在扩散声场条件下的吸声性能

Road traffic noise reducing devices. Test method for determining the acoustic performance - Intrinsic characteristics. Sound absorption under diffuse sound field conditions

声学.阻抗管中吸声系数和阻抗的测定.驻波比法

Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Method using standing wave ratio

声学.混响室内声音吸收的测量

Acoustics - Measurement of sound absorption in a reverberation room

声学.施工现场路面对噪声吸收性能的测量.反光表面用点滴试验法

Acoustics. Measurement of sound absorption properties of road surfaces in situ. Spot method for reflective surfaces

声学.吊顶试验规程.吸音作用.德文版本EN 16487-2014

Acoustics - Test code for suspended ceilings - Sound absorption; German version EN 16487:2014

声学 阻抗管声学特性的测定 第2部分：正常吸声系数和正常表面阻抗的双麦克风技术

Acoustics - Determination of acoustic properties in impedance tubes - Part 2: Two-microphone technique for normal sound absorption coefficient and normal surface impedance (ISO/DIS 10534-2:2022); German and English version prEN ISO 10534-2:2022 / Note:...

声学.建筑物声音吸收.声音吸收评定

Acoustics - Sound absorbers for use in buildings - Rating of sound absorption (ISO 11654:1997); German version EN ISO 11654:1997

声学 吸音器 吸音系数评级（ISO/DIS 11654.2:2018）

Acoustics - Sound absorbers - Rating of sound absorption coefficients (ISO/DIS 11654.2:2018); German and English version prEN ISO 11654:2018

声学 建筑声学测量不确定度的确定和应用 第2部分：吸声（草案）

Acoustics Determination and application of measurement uncertainties in building acoustics Part 2: Sound absorption (draft)

声学 阻抗管中吸声系数和声阻抗的测量 第2部分;传递函数法

Acoustics--Determination of sound absorption coefficient and impedance in impedance tubes Part 2: Transfer function method

声学.混响室吸声测量

Acoustics.Measurement of sound absorption in a reverberation room

运输类飞机舱内声学设计要求

Requirements for cabin acoustic design of transport aircraft

建筑物用吸因材料.吸音评估

Sound absorbing materials used in buildings. Assessment of sound absorption

铁路运输隔音屏障 控制方法

Acoustical barriers for railway transport. Methods of control

建筑声学. 由构件性能评估建筑物声学性能. 第6部分. 封闭空间的声音吸收

Building acoustics. Estimation of acoustic performance of buildings from the performance of elements. Part 6. Sound absorption in enclosed spaces

航空材料和构件的混响室法吸声系数测量

Measurement of Sound Absorption Coefficient of Aeronautical Materials and Components by Reverberation Chamber Method

声学.建筑用吸声器.吸声等级

Acoustics - Sound absorbers for use in buildings - Rating of sound absorption

声学.建筑声学测量不确定度的测定和应用.第2部分:吸声

Acoustics — Determination and application of measurement uncertainties in building acoustics — Part 2: Sound absorption

声学.现场道路表面吸声性能的测量.第1部分:扩展表面法

Acoustics — Measurement of sound absorption properties of road surfaces in situ — Part 1: Extended surface method

轻质混凝土吸声板

Lightweight concrete acoustic board

矿物棉装饰吸声板

Mineral wool decorative sound-absorbing panels

阻抗管校准规范（传递函数法）

Calibration Specification for Impedance Tubes (Transfer Function Method)

道路交通噪声减少美利体育官网首页网址 声学参数测试方法 第一部分 自身特性 扩散声场条件下的吸声

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption under diffuse sound field conditions

道路交通噪声降低装置 确定声学性能的测试方法 第1部分：在扩散声场条件下吸声的固有特性

Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions

声学 阻抗管中吸声系数和阻抗的测定 第1部分：驻波比法（ISO 10534-1:1996）

Acoustics - Determination of sound absorption coefficient and impedance in impedances tubes - Part 1: Method using standing wave ratio (ISO 10534-1:1996)

声学 建筑声学测量不确定度的测定和应用 第2部分：吸声（ISO 12999-2:2020 IDT）

Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2: Sound absorption (ISO 12999-2:2020, IDT)

声学 道路表面声吸收特性现场测量 第2部分：反射表面的点法（ISO 13472-2:2010 IDT）

Acoustics - Measurement of sound absorption properties of road surfaces in situ - Part 2: Spot method for reflective surfaces (ISO 13472-2:2010, IDT)

铁路应用 轨道 声屏障和作用于空气声传播的相关装置 确定声学性能的试验方法 第1部分：固有特性 扩散声场下实验室的吸声

Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics - Sound absorption in the laboratory under diffuse sound fiel

声学 吊顶测试规范 吸音

Acoustics - Test code for suspended ceilings - Sound absorption

声学 建筑声学中测量不确定度的确定和应用 第2部分：吸声

Acoustics - Determination and application of measurement uncertainties in building acoustics - Part 2: Sound absorption (ISO 12999-2:2020)