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- sound pressure energy 聲壓能
- Measurement of sound pressure level for sound sign. 海船聲號器具的聲壓級測量。
- The audible sound pressure range is from 0 dB to 120 dB. 聽(tīng)覺(jué)范圍為0分貝到120分貝。
- Ultra-low distortion at extreme sound pressure levels. 超低失真的極端聲壓級。
- INTRACRANIAL SOUND PRESSURE LEVELS DURING IMPULSSE NOISE EXPOSURE Saljo A. 在噪音刺激下顱內聲音壓力水平。
- The precipitation area has a good relationships with low level positive vorticity, water vapor, pressure energy,moist enthalpy,potential vorticity etc. 診斷分析中發(fā)現暴雨落區和低層正渦度、水汽、壓能、濕焓、位渦等有很好的對應關(guān)系。
- It recovers the high pressure energy to generate electricitywhile expanding the liquid.In addition vaporization can also be effectively controlled. 它在實(shí)現降壓的同時(shí)，可回收高壓液體的能量發(fā)電，并有效抑制汽化。
- There is a remarkably wide range of frequencies and sound pressure levels over which the human ear can detect. 人類(lèi)耳朵對聲音頻率和聲壓級的感應范圍很廣。
- With the increase of the SPL, the nodes of sound pressure move Periodically, and sound radi... 在聲源產(chǎn)壓級較低時(shí)，聲輻射壓分布幾乎處處為零，隨著(zhù)聲壓級增加，節點(diǎn)處聲輻射壓幅值增加，顆粒穩定性增強。
- Usually, the problem is how to reduce the sound pressure level, either at source or on the transmission path. 通常噪聲問(wèn)題的解決辦法就是在其聲源處或是在其傳播途中降低其聲壓水平。
- The SPL(Sound Pressure Lever) of flow-induced tones limits the required flow speed of aero-acoustic experiment. 為了在氣流當中進(jìn)行噪聲測量,傳聲器上必須加裝適當形式的鼻錐以降低傳感器自噪聲。
- A special ALC circuit handles very high sound pressure levels but without distortion. 采用特別ALC電路不用擔心音量過(guò)大而失真.
- The countercurrent mode has a simple scheme of pressure energy recovery,needing neither CO burner nor steam superheating devices,and about 98%of the flue gas pressure energy can be recovered. 逆流兩段再生方式煙氣壓力能的回收流程簡(jiǎn)單，煙氣系統無(wú)需增加一氧化碳焚燒爐或蒸汽過(guò)熱設施，煙氣壓力能回收可達98%25左右。
- Each professor was chosen based upon his or her exposure to various sound pressure levels (SPL). 本試驗利用音波的此項特性，對于砂土層滑動(dòng)所產(chǎn)生之聲音進(jìn)行量測。
- For maximum sound pressure levels large sound reinforcement systems frequently use a separate compressor on each output of the electronic crossover(s). 對于最大的聲壓電平，巨大的聲音增強系統，通常在每一個(gè)電子分頻器的輸出后面拉一個(gè)獨立的壓限器。
- Sound Pressure Level (SPL) Sound pressure level is a measurement of the pressure fluctuations of a sound wave as it propagates through the air. 聲壓級別聲壓級別是表示在空氣中傳播的聲波的起伏壓。
- Analysis shows that the mixed gas intrudes into the hotproduction gas and the explosion inside increases the sound pressure of theemission. 初步分析表明，當氣流速度達到可以使未燃混合氣突入火焰面內使火焰發(fā)生微小爆炸，引致聲發(fā)射在宏觀(guān)上突然增加。
- While physical hearing protection can reduce sound pressure levels， they do not adequately prevent NIHL in very noisy environments. 對聽(tīng)力的物理防護可以降低聲壓水平，但若噪聲過(guò)強，這種物理防護并不能完全保證聽(tīng)力不受損害。
- Objective To study the change and significance of GFAP in thebrain of the mice exposed to infrasound of different sound pressure level . 目的研究不同聲壓級次聲作用小鼠后腦中膠質(zhì)纖維酸性蛋白(GFAP)的改變和意義。
- New Technology in Fluid Pressure Energy Recycling 液體壓力能回收新技術(shù)
