隔聲值 的英文怎麼說

中文拼音 [géshēngzhí]
隔聲值 英文
sound-insulation value
  • 隔 : partitionseparate
  1. Combining the basic laws of psychophysics and signal detection theory, we use two - alternative forced - choice ( 2afc ) to study the threshold change of human electric sense under different noise levels

    在心理物理實驗中，結合心理物理學和信號檢測論的基本原理，採用了二間隔的強迫選擇法（ 2afc ）作為實驗方法，研究不同噪聲量級情況下人體電感覺閾值的變化。
  2. 3. effects of intrathoracic pressure change on the hemodynamics and the motion of ivs in patients with pe to observe the respiration - related hemodynamic changes and the ivs motion in 10 patients with pe with or without cardiac tamponade using echocardiographic technique. 4

    心包積液時呼吸對血流動力學及室間隔運動的影響用超聲心動圖觀察心包積液伴有或不伴有心包填塞患者川例的血流動力學改變及室間隔隨呼吸運動倩況，計算rvi值，並與正常人進行對照。
  3. On the basis of above parts, this paper discusses the noise muffling of several kinds of plates. it gives the modifying formula of the mass law and verifies its accuracy with an example. at last, this paper explains the effect of stiffeners and damping on the plates " muffling characteristics

    在認識隔聲理論的前提下，研究了板在寬頻域范圍上的隔聲特性，並總結了板材加筋以及敷設阻尼對結構隔聲的影響，具有一定的工程實用價值。
  4. It is proved by measuring noise of fan room of jcfk, that there are pretty good agreements between estimation and experiments. then, this model is applied for the practical engineering of noise control in fan room. the ways to connection qualitative with quantitative, analysis in theory with policy decision in practice are successfully used and the optimal scheme of noise control is achieved. moreover, the effect of the optimal scheme is estimated. this paper makes considerable headway about not only the research range and content but also the theoretical basis and research method. it has the important practical value

    把模型運用於復烤廠風機房噪聲污染治理的實際，採用定性分析與定量分析，理論計算與經驗決策相結合的方法，對風機房車間噪聲控制，隔聲間噪聲控制和傳播途徑噪聲控制三方面系統研究，制定風機房噪聲控制優化方案，並編程預測治理效果。這不僅將噪聲污染監測，評價治理，預測的研究有機地結合起來，拓展了研究范圍和內容，而且研究方法有所創新，對當前工業噪聲優化控制有較強的推廣和應用價值。
  5. Limits of sound power level for noise emitted by air compressors for power source use and diaphragm compressors

    動力用空氣壓縮機和隔膜壓縮機噪聲聲功率級限值
  6. The measurement of the time interval of ultrasonic send wave and echo used the catch method of 52 series mcu, and avoided the error that the isr save the current value of counter

    超聲波發射波和回波的時間間隔的測量利用了52系列單片機的捕獲方式，避免了因為藉助于中斷服務程序來保存計數器的當前值所帶來的誤差。
  7. Road traffic noise reducing devices - test method for determining the acoustic performance - intrinsic characteristics - in situ values of sound reflection and airborne sound insulation

    道路交通降噪設備.聲學性能測定的試驗方法.固有的特徵.聲音反射和空氣載聲隔絕的原地測定值
  8. By combining the theory of acoustic and vibration, material science and using finite element method ( fem ), the design principle for laminated composites was studied in this paper, and then it is presented that the noise reduction can be predicted by finite element method in that it is proved that the fem results is well coincident with the experimental ones

    本文利用相關的聲學、振動學、材料學和有限元數值方法，首先對層合隔聲復合材料的設計原則進行了分析，而後利用有限元方法進行層合復合材料降噪性能預測分析，得到了與實驗數據比較吻合的結果。
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