船用柴油机排气消声器测量方法
Measuring method for exhaust silencer of marine diesel engine
1996-01-05
CB/T 3339-2001
船用柴油机排气消声器测量方法
Measuring method for exhaust silencer of marine diesel engine
2001-11-15
GB/T 43073-2023
气动 测量排气消声器声压级的试验方法
Pneumatic fluid power—Test methods for measuring acoustic emission pressure levels of exhaust silencers
2023-09-07
ASTM E1265-04(2021)
Standard Test Method for Measuring Insertion Loss of Pneumatic Exhaust Silencers
用于测量气动排气消声器插入损耗的标准测试方法
2021-01-01
QC/T 631-2009
汽车排气消声器总成技术条件和试验方法
Automotive exhaust muffler assembly technical specification and test methods
2009-11-17
GB/T 4760-1995
声学 消声器测量方法
Acoustics--Measurement procedure for silencers
1995-06-15
BS ISO 20145-2019
Pneumatic fluid power. Test methods for measuring acoustic emission pressure levels of exhaust silencers
气动流体动力 测量排气消声器声发射压力级的试验方法
2019-10-28
ISO 20145-2019
Pneumatic fluid power — Test methods for measuring acoustic emission pressure levels of exhaust silencers
气动流体动力 - 测量排气消声器声发射压力水平的试验方法
2019-10-21
GB/T 33928-2017
往复式内燃机 排气消声器测量方法 声压法排气噪声声功率级和插入损失及功率损失比
Reciprocating internal combustion engines—Measurement method for exhaust silencers—Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio
2017-07-12
BS ISO 15619-2013
Reciprocating internal combustion engines. Measurement method for exhaust silencers. Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio
往复式内燃机 排气消声器的测量方法 利用声压和功率损耗比计算排气噪声和插入损耗的声功率级
2013-09-30
ISO 15619-2013
Reciprocating internal combustion engines — Measurement method for exhaust silencers — Sound power level of exhaust noise and insertion loss using sound pressure and power loss ratio
往复式内燃机——排气消声器的测量方法——利用声压和功率损耗比计算排气噪声和插入损耗的声功率级
2013-09-13
QC/T 235-2008
摩托车和轻便摩托车排气消声器技术要求和试验方法
Specification and test methods for exhaust muffler of motorcycles and mopeds
2008-06-04
UNE-EN ISO 11691-2010
Acoustics - Measurement of insertion loss of ducted silencers without flow - Laboratory survey method (ISO 11691:1995)
声学无流量管道消声器插入损失的测量实验室测量方法
Acoustics — Measurement of insertion loss of ducted silencers without flow — Laboratory survey method
声学 - 无流动的管道消声器的插入损耗测量 - 实验室测量方法
2020-07-01
GB/T 25516-2010
声学 管道消声器和风道末端单元的实验室测量方法 插入损失、气流噪声和全压损失
Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units loss, fiow noise and total pressure loss