板厚或肋骨惯性矩的变化会引起结构传声损失曲线上隔声低谷位置的变化;
The position of minimum values on the sound transmission loss curve varies with the changes made on plate thickness and the moment of inertia of stiffeners.
道路规划设计中充分考虑噪声扰民问题,在必要路段建设隔声屏障、降噪结构和低噪路面。
The motorway planning will give full consideration of traffic noise, at the proper sections, noise-deafening wall, noise-deafening structure and low-noise road surface will be adopted.
本文提出了小试件轻结构隔声测量的一种新方法。
In this paper, a new method is proposed for the measurements of sound insulation of light structures using small samples.
研究表明,影响木结构墙体隔声的因素有墙板的面密度、墙骨的规格和间距、玻璃纤维棉的容重和厚度。
To fabricate wood structure walls with good sound insulation, the paper studied the influences of building details on the sound insulation of wood structure walls.
采用自制的试验装置对泡沫铝与实体铝复合结构的隔声性能作了研究。
The sound insulation property of aluminum foam(Al-foam) with composite structure was studied using a self-made equipment and sound detector.
隔声去耦覆盖层是一种重要的舰船水声材料与结构,敷设于潜艇艇体耐压壳外表面。
Isolating-sound and decoupling coating is a important underwater acoustic material and structure, and it is coated the outer surface of the submarine body which is used to support sound press.
研究了无限板上受点激励时阻振质量对结构声传递的阻抑,采用基于能量观点的隔振度来定义阻振质量的阻抑作用。
Vibration isolation mass attenuating transmission of the plate flexural wave is analyzed with the force excitation applied on an infinite plate.
根据吸声、隔声和阻尼减振原理,对某型双层客车后部结构提出了改进措施,使其车内噪声达到了国家规定。
An improved back structure is proposed according to the principle of sound absorption. sound insulation and damping vibration. It can lower inner noise so as to meet the state standard.
根据吸声、隔声和阻尼减振原理,对某型双层客车后部结构提出了改进措施,使其车内噪声达到了国家规定。
An improved back structure is proposed according to the principle of sound absorption. sound insulation and damping vibration. It can lower inner noise so as to meet the state standard.
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