Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42553-2023 |
Electroacoustics - Method for determining free-field response corrections for sound level meters {译} 电声学 确定声级计自由场响应修正值的方法 |
China National Standards corrections |
 English PDF |
| GB/T 17248.2-2018 |
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions in an essentially free field over a reflecting plane with negligible environmental corrections 声学-机器和设备发射的噪声-在一个反射面上方可忽略环境修正的近似自由场测定工作位置和其他指定位置的发射声压级 |
China National Standards corrections |
English PDF |
| GB/T 17248.3-2018 |
Acoustics—Noise emitted by machinery and equipment—Determination of emission sound pressure levels at a work station and at other specified positions applying approximate environmental corrections 声学-机器和设备发射的噪声-采用近似环境修正测定工作位置和其他指定位置的发射声压级 |
China National Standards corrections |
English PDF |
| GB/T 17248.5-2018 |
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 声学-机器和设备发射的噪声-采用准确环境修正测定工作位置和其他指定位置的发射声压级 |
China National Standards corrections |
English PDF |
| GB/Z 32458-2015 |
Centrifugal pumps handling viscous liquids—Performance corrections 输送粘性液体的离心泵 性能修正 |
China National Standards corrections |
English PDF |
| GB/T 17248.5-1999 |
Acoustics--Noise emitted by machinery and equipment--Measurement of emission sound pressure levels at a work station and at other specified positions--Method requiring environmental corrections 声学 机器和设备发射的噪声 工作位置和其他指定位置发射声压级的测量 环境修正法 |
China National Standards corrections |
English PDF |
| GB/T 6495.4-1996 |
Procedures for temperature and irradiance corrections to measured I-V characteristics of crystalline silicon photovoltaic devices 晶体硅光伏器件的I-V实测特性的温度和辐照度修正方法 |
China National Standards corrections |
English PDF |
| Find out:7Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
