Panel resonance on absorption characteristics of microperforated panel absorber;
微穿孔板吸声体中的板振动
The paper studies the absorptive properties of functional absorber of microperforated metal panels in different perforating sizes, in different hollow volume and forms.
通过对微穿孔金属板空间吸声体穿孔板穿孔率大小和吸声体空腔体积及形状几种情况下的吸声特性的实验研究 ,为微穿孔金属板空间吸声体的应用提供了依
Based on the accurate theory of the micro-perforated panel absorber,this paper presents one kind of approximate arithmetic for micro-perforated absorber with variational cavity.
基于马大猷教授提出的"微穿孔板吸声体精确理论",针对带变厚度空腔的微穿孔板吸声体,提出了一种理论近似算法。
Insertion loss of barrier with absorptive cylinder at the edge was calculated at 400Hz(the equivalent frequency of transportation noise) by IBEM,additional attenuation of absorptive cylinder with different dimension was analyzed,These conclusions was presented: The dimension should be over 0.
应用间接边界元法,分析在道路交通噪声等效频率400Hz时,对于顶端带吸声柱体声屏障,吸声柱体在不同直径时插入损失的变化规律。
Design and application of functional absorbers;
空间吸声体的设计与应用
As there is no enough space to utilize both the diffusion and the absorption,scattering surfaces with specified sound absorption,namely the"diffsorbers",is necessary to design.
由于空间有限,因此需要设计不同的扩散吸声体。
This paper introduces the acoustical design and decorative microforated absorbers for the gymnasium of Taiyuan University of Technology.
分析了太原理工大学体育馆的音质设计、装饰吸声体的应用的情况 ,并经实测和使用该馆获得了满意的室内音质效
Acoustics Software Development of Micro-perforated Panel Absorber Based on AML
基于AML的微穿孔板吸声体的声学软件开发
The design and application of low-cost cylindrical suspension absorber
造价低廉的圆柱形空间吸声体的设计与应用
Primary Investigation of Optimization on Sound Absorber by Finite Element Method;
基于有限元法的吸声体的优化研究初探
The Computer Simulation Analysis of Micro Perforated Panel Spacial Absorbers (Rectangular Pyramid)
微穿孔板空间吸声体（四棱锥）的计算机仿真分析
Discussion on System of Polyurethane Underwater Anechoic Material and Research Progress in Polyurethane Anechoic Structure
聚氨酯水声吸声材料的体系探讨及其吸声结构的研究进展
draw air audibly up the nose.
使用鼻子吸入气体并且发出声音。
Damping Properties and Acoustic Properties of Nano-elastomer Materials;
纳米材料高弹体的阻尼吸声性能研究
Method of Ultrasonic Atomizing Inhalation in Children and Nursing
小儿超声雾化吸入的方法及护理体会
Effect of Medium Absorption on the One-dimensional Photonic Crystal Forbidden Band
介质吸收对一维声子晶体禁带的影响
sound - absorbing material and sound - absorbingconstruction
吸声材料和吸声结构
On Integral Singing from Breathing,Vocalizing and Consonance;
从呼吸、发声与共鸣谈三位一体的整体歌唱
Phacoemulsification for close angle glaucoma
超声乳化晶状体吸除术治疗闭角型青光眼
Effect of absorption of impurity-doped 1D phontonic crystal on its elastic wave defect mode
声子晶体材料的吸收对弹性波缺陷模的影响
Study on Two-Layer Compound Effect of Polyunethane Foam Sound-Absorbing Materials
聚氨酯泡沫体吸声材料的双层复合效应研究
A comparative clinical study of cataract surgery performed with torsional mode and conventional ultrasound mode
两种模式下的晶状体超声乳化吸出术对比研究
Influences of liquids properties and Absorbed energy on laser induced expanding sound
液体性质与吸收能量对激光致声特性的影响
Effect of impurity absorption on 1D photonic crystal filters
杂质吸收对一维声子晶体滤波器设计的影响
The Application of Acoustic Decorative Board made of polyester fibre in the Stadium-building of Fuzhou No.1 Middle School's New Campus
聚酯纤维吸声装饰板在福州一中新校区体育馆建声中的应用