隔声材料

根据声学原理设计了制作新型隔声材料的方法，以及据此制成以PVC和橡胶的共混物作为基料，掺入其它成份的功能性复合材料。

Base on the acoustic principle , a method of a new-type of sound-proof material has been designed and prepared by using PVC and rubber mixed material as base and other composite materials .

将聚氯乙烯与无机超细材料混合，研制了一种新型复合隔声材料，其平均隔声指数为20dB左右。

A new soundproof composite which is good in soundproof was made by blending polyvinyl chloride ( PVC ) and superfine inorganic material .

填料对阻尼隔声材料的水中插入损失的影响

Effect of Fillers on Water Insertion Loss of Sound Isolation Rubber Material

实例中也对具体的隔声材料的隔声系数及市场价格进行了比选。

Instance specific sound insulation materials insulation coefficient and market price comparison and selection .

通过对变压器的噪声频谱分析，评价出适合的变压器吸声隔声材料；

By noise spectral analysis of transformer , the better sound absorption and insulation material were judged .

这种铝蜂窝夹层材料由吸声材料、阻尼材料、隔声材料复合而成。

This aluminum honeycomb sandwich material is made up of sound-absorbing material , damping material and sound insulation material .

该文采用分层媒质模型，对尖劈型吸声材料及平板型隔声材料的吸、隔声性能进行了仿真研究。

Preparation and Research on Acoustic Charicateristics of the Sound Abosrption Material Based on Polymer Micro-Particles as Well as Computer Simulation ;

根据被试轻型载货汽车车外主要噪声源的特性合理地选择吸声、隔声材料和噪声控制方案，对其进行了降噪处理。

The exterior noise of the light-duty truck is reduced through choosing reasonable sound absorption , insulation materials and noise control methods .

降噪材料按降噪机理可分为阻尼减振材料、声材料和隔声材料。

According to the function mechanisms , polymeric noise reduction composites were classified as vibration damping , sound absorption and sound insulation materials .

对平板型隔声材料采用传递矩阵方法，推导了多层结构的透射系数和插入损失公式。

The formula of homology coefficient and insertion penalty of the plat insulation meterial with multiple layer is provided by using the model of transitive matrix .

纤维集合体，简称纤维体，为多孔、轻质、柔软的吸音隔声材料，已被广泛地应用于各类内饰和隔绝材料。

Fiber assembly , referred to the fibrous body , is a porous , light , soft , sound-absorbing insulation material , and it has been widely used in various interior and the insulation material .

最后研究了挤出成型法制备隔声复合材料的工艺参数，并实现了柔性PVC基隔声复合材料的连续化生产。

Through studying the parameters of extruding molding , the industrialization of flexible PVC-Composite sound insulation material was realized at last .

核潜艇用G-39型隔声密封材料释放气体测定及卫生学评价

Measurement of Gases Released by Type G-39 Sound Isolating and Sealing Material Used aboard Submarines and Its Medical Evaluation

目的：评价G-39型隔声密封材料能否用于核潜艇舱室。

Purpose : The study was carried out to evaluate whether type G 39 sound insulating and sealing material can be used aboard submarines .

通过对实验和计算结果的对比分析，证明隔声去耦材料在200Hz以上能明显减小结构振动和降低辐射噪声。

After the experiment results and the calculation result analyzed and compared , it shows that the isolated sound and decoupled material can reduce the structural vibration and radiated noise clearly above 200 Hz .

隔声吸声材料的装饰施工与质量控制住宅建筑空气隔声测量规范

Quality Controls of Decoration Construction of Acoustic Noise Material Measurement code for airborne sound insulation of dwellings

所以改良配方并采用较好的制备工艺来实现柔性聚氯乙烯基隔声复合材料的连续化生产是意义重大的。

So , using good Process method to produce flexible PVC-Composite sound insulation material and realizing industrialization are very significant .

吸声与隔声是材料的声学特性，吸声与隔声测量对噪声控制与声学设计具有重要意义。

Sound absorption and insulation is the acoustical characteristic of material . Measurement of sound absorption and insulation has an important significance in noise control and acoustical design .

本文研究了空心玻璃微珠、粉煤灰（煤胞）、发泡聚合物等填料对阻尼隔声橡胶材料水中插入损失的影响，发现橡胶中加入隔声填料可以明显提高水中插入损失。

The effect of different fillers such as hollow glass microsphere , pulverous coal ash and foam polymer on water insertion loss of sound isolation rubber material were studied .

隔声缩尺模型材料的选择方法

Method for selecting sound insulation material for scale model

隔声功能复合材料的有限元法分析

Finite element method analysis of soundproof functional composite

结果表明：该复合材料的隔声性能优于单一材料的隔声性能，在测试范围内，其隔声量超出了质量定律的预测效果，显示了该材料良好的隔声性能。

The results show that the sound insulation properties of the composite material are better than those of the materials with single components , and the loss of the sound transmission through this material exceeds that predicted by the mass law , indicating the composite 's good sound insulation properties .

最后，分别预测不同材料墙体组合的相邻房间和对角房间的隔声性能，分析不同组合房间的隔声特性，总结材料变化引起的隔声量变化的规律和特点。

Finally , in contrast with different wall materials combination of the adjacent room and diagonal room sound insulation performance , this paper analysis different combinations of the room sound insulation properties and summarize sound insulation characteristics between two rooms along with the changes of materials .

首先，为了达到最佳的隔声效果，屏蔽结构主要是由外部屏蔽板（隔声材料）、吸声材料、阻尼材料组成。

Firstly , to get the best insulation result , the insulation structure mainly consists of outer insulation panel , porous materials , damping materials .