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用声音强度测量噪声源声音能量水平机械方法ASA 104

Engineering Method for the Determination of Sound Power Levels of Noise Sources Using Sound Intensity

声学.使用声压测定噪声源的声功率级和声能级.反射面上方近似自由场的工程法

Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane

声学.声压法测定噪声源的声功率级和声能级.反射面上采用包络测面积的调查法

Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Survey method using an enveloping measurement surface over a reflecting plane

声学.利用声强度对噪声源声功率级别的测定.使用扫描测量法

Acoustics. Determination of sound power levels of noise sources using sound intensity. Measurement by scanning

声学 — 使用声强确定噪声源的声功率级 第2部分：扫描测量

Acoustics — Determination of sound power levels of noise sources using sound intensity — Part 2 : Measurement by scanning

往复式内燃机 使用声压测量声功率级 测量法

Reciprocating internal combustion engines. Measurement of sound power level using sound pressure - Survey method

声学.声压法测定噪声源声功率级使用标准声源简易法,通过密封测量表面参考反射面的方式测得(ISO 3746-2010).德文版本EN ISO 3746-2010

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010); German version EN ISO 3746:2010

声学 使用声压确定噪声源的声功率级和声能级 使用反射平面上的包络测量表面的测量方法

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Survey method using an enveloping measurement surface over a reflecting plane (ISO 3746:2010); German version EN ISO 3746:2010

航空航天系列 - 螺钉，盘头，偏置十字槽，粗公差普通柄，中等长度螺纹，合金钢，镀镉 - 分类：1 100 MPa（环境温度下）/ 235 °C

Aerospace series - Screws, pan head, offset cruciform recess, coarse tolerance normal shank, medium length thread, in alloy steel, cadmium plated - Classification: 1 100 MPa (at ambient temperature) / 235 °C; German and English version EN 4138:2016

涡轮机和涡轮机组 空气传播噪声的测量 工程/调查方法（ISO 10494:2018）

Turbines and turbine sets - Measurement of emitted airborne noise - Engineering/survey method (ISO 10494:2018); Text in German and English

电力电容器噪声测量方法

Power Capacitor Noise Measurement Method

声学.声强法测定噪声源的声功率级.第2部分:扫描测量 ISO 9614-2-1996

Acoustics - Determination of Sound Power Levels of Noise Sources Using Sound Intensity - Part 2: Measurement by Scanning ISO 9614-2: 1996

锻压机械噪声声功率级测量方法

Metal forming machinery.Noise measurement method of sound powder levels

容积式压缩机噪声的测定

Determination of sound level for noise emitted by displacement compressors

采暖通风与空气调节美利体育官网首页网址噪声声功率级的测定 工程法

Determination of sound power levels for noise emitted by heating ventilating and air conditioning equipment--Engineering method

机器噪音.声功率级的测定方法选择指导

Noise of machines. Guidelines for the selection of method for the determination of sound power levels

汽车发出的噪音 通过声压测定噪声源的声功率级 使用声音反射平面上方的测量表面的指示方法

Noise from cars. Determination of sound power levels of noise sources by sound pressure. Indicative method using a measuring surface above a sound-reflecting plane

机器的噪音 工业爱好者 实验室条件下声功率级的测定 第三部分 包络面法

Noise of machines. Industrial fans. Determination of sound power levels under laboratory conditions. Part 3. Enveloping surface method

机械噪声. 测量私人和专业电割草机以及附带割草机的草坪和园艺拖拉机排放的空气噪声的试验规程

Noise of machines. Test code for the measurement of airborne noise emitted by private and professional power lawn mowers and lawn and garden tractors with mowing attachments

量块.规范

Gauge blocks. Specifications

声学 根据声压确定噪声源的声功率级和声能级的技术方法 在声反射平面上方的基本上自由声场中的技术方法

Acoustics. Determination of sound power levels and sound energy levels of noise sources using sound pressure. Engineering methods for an essentially free field over a reflecting plane

建筑物和构筑物 利用声强对建筑材料进行现场声学性能测量

Field measurement of sound insulation of building elements using sound intensity

声学. 测量旋转电机排放的空气噪声的试验规程

Acoustics. Test code for the measurement of airborne noise emitted by rotating electrical machines

声学 由电动剪草机、草地拖拉机、草地和园艺拖拉机、专用剪草机和带有剪草附件的草地和园艺拖拉机辐射的空气声测量的试验规范

Acoustics; test code for the measurement of airborne noise emitted by power lawn mowers, lawn tractors, lawn and garden tractors, professional mowers, and lawn and garden tractors with mowing attachments

声学.利用声强测量建筑物和建筑构件的隔声量.第1部分：实验室测量

Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 1: Laboratory measurements

声学.用声强测量建筑物和建筑构件的隔声量.第3部分：低频实验室测量

Acoustics - Measurement of sound insulation in buildings and of building elements using sound intensity - Part 3: Laboratory measurements at low frequencies

液压传动.用声强法测定声功率级的试验规程:工程法.第1部分:泵

Hydraulic fluid power - Test code for the determination of sound power levels using sound intensity techniques: Engineering method - Part 1: Pumps

产品几何技术规范（GPS）.表面结构:面积.第73部分:材料测量表面缺陷的术语和定义

Geometrical product specifications (GPS) — Surface texture: Areal — Part 73: Terms and definitions for surface defects on material measures

声学.使用声音压力测定噪音源声功率级与声能级.采用反射面上的自由声波场的工程测量法

Acoustics - Determination of sound power levels and sound energy levels of noise sources using sound pressure - Engineering methods for an essentially free field over a reflecting plane

声学 声强法测定噪声源声功率级 第1部分:离散点测量法

Acoustics; determination of sound power levels of noise sources using sound intensity; part 1: measurement at discrete points

声学 声强法测定噪声源声功率级 第2部分:扫描测量法

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning

包装机械噪声声功率级的测定.简易法

Determination of sound power level of noises of packaging machinery Simplified method

声学.利用声压测定噪声源的音响功率级.反射平面上基本自由声波场的工程测量法

Acoustics -- Determination of sound power levels of noise sources using sound pressure -- Engineering method in an essentially free field over a reflecting plane

声功率计校准规范

Calibration Specification for Sound Powder Meters

齿轮单元接收性规范——空中噪音试验

Acceptance code for gear units - Test code for airborne sound

燃气轮机和燃气轮机组.排放的空气中噪声的测量.工程/考察方法

Gas turbines and gas turbine sets. Measurement of emitted airborne noise. Engineering/survey method.

金属材料焊缝破坏性试验 -δ铁素体测量取样方法（ISO 17655:2003）

Destructive tests on welds in metallic materials - Method for taking samples for delta ferrite measurement (ISO 17655:2003)

声学 使用声强测定噪声源的声功率级 第2部分：扫描测量（ISO 9614-2:1996）

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 2: Measurement by scanning (ISO 9614-2:1996)

铁路应用 车辆之间的通道系统 第2部分：声学测量

Railway applications - Gangway systems between vehicles - Part 2: Acoustic measurements

声学 使用声强测定噪声源的声功率级 第1部分：离散点测量（ISO 9614-1:1993）

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 1: Measurement at discrete points (ISO 9614-1:1993)

声学 使用声强测定噪声源的声功率级 第3部分：扫描测量的精密方法（ISO 9614-3:2002）

Acoustics - Determination of sound power levels of noise sources using sound intensity - Part 3: Precision method for measurement by scanning (ISO 9614-3:2002)

旋转电气机器 第9部分: 噪声限制（IEC 60034-9:2003 修改版）

Rotating electrical machines Part 9: Limits of noise (IEC 60034-9:2003 revised version)

信函美利体育官网首页网址噪声测量方法

Noise measurement method for letter equipment

包裹、印刷品、总包美利体育官网首页网址噪声测量方法

Measurement methods of noise for parcel equipment flat equipment & bag equipment