|
往复式内燃机.声音的验收
Reciprocating internal combustion engines. Acoustical acceptance.
参考页数：4P.;A4
|
|
|
|
|
|
声学.信息技术设备和电信设备发出的空气噪声的测量.
Acoustics - Measurement of airborne noise emitted by information technology and telecommunications equipment.
参考页数：78P;A4
|
|
|
|
|
|
声学.机器和设备发射的噪声.应用精确环境校准在工作位置和其他指定位置的发射声压级测量.
Acoustics - Noise emitted by machinery and equipment - Determination of emission sound pressure levels at a work station and at other specified positions applying accurate environmental corrections.
参考页数：48P;A4
|
|
|
|
|
|
声学.利用风扇和其他风动设备测定管道内辐射声能.管道法
Acoustics - Determination of sound power radiated into a duct by fans and other air-moving devices - In-duct method.
参考页数：80P;A4
|
|
|
|
|
|
声学.供水设施使用的器械和设备发出噪音的试验室试验.第3部分:嵌入式阀门和器械的安装和操作条件
Acoustics. Laboratory tests on noise emission from appliances and equipment used in water supply installations. Part 3 : mounting and operating conditions for in-line valves and appliances.
参考页数：13P.;A4
|
|
|
|
|
|
工业生产过程控制阀.第8-2部分:对流过控制阀的水流产生的噪音进行的实验室测量
Industrial-process control valves - Part 8-2 : noise considerations - Laboratory measurement of noise generated by hydrodynamic flow through control valves.
参考页数：27P;A4
|
|
|
|
|
|
声学.服务设备噪音空气传播和影响隔音的现场测量.调查法.修改件1
Acoustics - Field measurements of airborne and impact sound insulation and of service equipment sound - Survey method - Amendment 1.
参考页数：8P;A4
|
|
|
|
|
|
土方机械.在操作者位置测定发射声压级.动态试验条件.
Earth moving machinery - Determination of emission sound pressure level at the operator's position - Dynamic test conditions.
参考页数：13P.;A4
|
|
|
|
|
|
工业过程控制阀 第8-3部分:噪声的考虑 空气动力流流经控制阀产生的噪声预测方法
Industrial-process control valves.Part 8-3:Noise considerations.Control valve aerodynamic noise prediction method
价格：￥0.00
|
|
|
|
|
|
家用和类似用途电器噪声测试方法 通用要求
Test method for noise of household and similar electrical appliances.General requirements
价格：￥0.00
|
|
|
|
|
