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- sound pressure meter 声压计
- Measurement of sound pressure level for sound sign. 海船声号器具的声压级测量。
- A sound level meter measures sound pressure level.It has several frequency-weighted decibel (dB) scales (A, B, C) to cover different portions of the range of measured loudness. 声级表是用来测量声压级别的,它根据声音的频率分为几个分贝级(A, B, C)。
- The audible sound pressure range is from 0 dB to 120 dB. 听觉范围为0分贝到120分贝。
- This meter composes by spring pressure meter and a line resistance transmitter. 本仪表由一个弹簧管压力表和一个滑线电阻式发送器组成。
- Ultra-low distortion at extreme sound pressure levels. 超低失真的极端声压级。
- INTRACRANIAL SOUND PRESSURE LEVELS DURING IMPULSSE NOISE EXPOSURE Saljo A. 在噪音刺激下颅内声音压力水平。
- It with five independent relay contact outputs may direct replace the? Pressure meter of electric contact. 带五个独立继电器接点输出可直接替代电接点压力表。
- Two fuel performace measuring method, volumeter and Bosch pressure meter based, are introduced in this paper. 本文在试验的基础上运用数字处理技术分别提出了基于容积法和Bosch长管仪法的发动机电喷单元喷油性能检测方法。
- Imported Control Valve, safety valve, breather Valve, Instruments, Flow meter, Pressure meter...etc. 主营产品:阀门,配件,真空设备,法兰设备,控制阀
- Shockproof pressure meter filled with glycerin inside cannot be used in low temperature condition or area. 充填甘油的耐震表不能在低温条件下或地区使用。
- Model PG-8 Differential Pressure Meter is a compact differential pressure flow test kit with a self purging feature mounted in a rugged carrying case. 型号PG-8压差表是一种紧凑的压差流量检测组件,具有自我清洗功能,并放置在坚固耐用的手提箱内。
- There is a remarkably wide range of frequencies and sound pressure levels over which the human ear can detect. 人类耳朵对声音频率和声压级的感应范围很广。
- The normal pressure meter is suite measure some liquate,gas,steam medium pressure which has no corruption for copper and steel. 一般压力表适用于测量爆炸危险,不结晶,不凝固及对钢和铜合金不起腐蚀作用的液体、蒸汽和气体等介质的压力。
- Shockproof diaphragm pressure meter is filled with damping liquid inside and assembled with buffering device, owning good performance of shock proof. 耐震膜片压力表内部充灌阻尼液和配套缓冲装置,具有良好的耐震性能。
- With the increase of the SPL, the nodes of sound pressure move Periodically, and sound radi... 在声源产压级较低时,声辐射压分布几乎处处为零,随着声压级增加,节点处声辐射压幅值增加,颗粒稳定性增强。
- Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪声问题的解决办法就是在其声源处或是在其传播途中降低其声压水平。
- The SPL(Sound Pressure Lever) of flow-induced tones limits the required flow speed of aero-acoustic experiment. 为了在气流当中进行噪声测量,传声器上必须加装适当形式的鼻锥以降低传感器自噪声。
- The rear rack is square framework above which injector apparatus, cylinder, proportional pressure meter, oil cooler, electric engine and oil pump, etc, are equipped. 后机架为长方形框架,其上安装有注射装置、油箱、比例压力、流量油路块、油冷却器、电机和油泵等。
- A special ALC circuit handles very high sound pressure levels but without distortion. 采用特别ALC电路不用担心音量过大而失真.