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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. 聽覺範圍為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係。
- It recovers the high pressure energy to generate electricitywhile expanding the liquid.In addition vaporization can also be effectively controlled. 它在實現降壓的同時,可回收高壓液體的能量發電,並有效抑制汽化。
- There is a remarkably wide range of frequencies and sound pressure levels over which the human ear can detect. 人類耳朵對聲音頻率和聲壓級的感應範圍很廣。
- With the increase of the SPL, the nodes of sound pressure move Periodically, and sound radi... 在聲源產壓級較低時,聲輻射壓分佈幾乎處處為零,隨著聲壓級增加,節點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. 通常雜訊問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. 為了在氣流當中進行雜訊測量,傳聲器上必須加裝適當形式的鼻錐以降低感測器自雜訊。
- A special ALC circuit handles very high sound pressure levels but without distortion. 採用特別ALC電路不用擔心音量過大而失真.
- 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單,煙氣系統無需增加一氧化碳焚燒爐或蒸汽過熱設施,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,對於砂土層滑動所產生之聲音進行量測。
- For maximum sound pressure levels large sound reinforcement systems frequently use a separate compressor on each output of the electronic crossover(s). 對於最大的聲壓電平,巨大的聲音增強系統,通常在每一個電子分頻器的輸出後面拉一個獨立的壓限器。
- 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生微小爆炸,引致聲發射在宏觀上突然增加。
- While physical hearing protection can reduce sound pressure levels, they do not adequately prevent NIHL in very noisy environments. 對聽力的物理防護可以降低聲壓水平,但若雜訊過強,這種物理防護並不能完全保證聽力不受損害。
- 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後腦中膠質纖維酸性蛋白(GFAP)的改變和意義。
- New Technology in Fluid Pressure Energy Recycling 液體壓力能回收新技術