高速公路隔声屏障作为一种经济有效的方法，是降低交通噪声的主要措施。
As an economical and effective method, the expressway noise barrier is a primary measure to reduce traffic noise.
提出了新型声屏障设计的思路。
Some new ideas are presented to design new style noise-barrier.
测试结果表明，该声屏障具有良好的降噪效果。
Measurement results show that the noise barrier can effectively reduce noise.
文中介绍了声屏障工程的设计与施工、管理等情况。
Design and construction as well as management of the acoustic barrier system is introduced.
而现有城市道路的声屏障技术不能满足京沪高铁的要求。
The actual technology of noise barriers for urban roads can not satisfies the requirements of Beijing-Shanghai high-speed railway.
声屏障纳入公共投入批准通过，进入最后道路的设计施工图墙。
Incorporate sound barrier walls approved through public input into the final road design construction plans.
声屏障是降低交通噪声等流动性声源的一种有效而经济的方法。
Noise barrier is a kind of effective and economical method to reduce traffic noise.
通过建立有限长声屏障的绕射声衰减的理论模型，进行了这方面的探讨。
The paper study the problem by constructing theoretical model of diffracted sound attenuation of limited length barrier.
并根据声学原理计算了该声屏障绕射衰减量，提出了切实可行的补救措施。
The attenuation amount of diffraction of this sound barrie is calculated according to the acoustics principle, the feasible remedies are put forward.
测试和应用结果表明，这种新型声屏障是城市高架公路控制噪声的有效设施。
It has been indicated that this new type of acoustic screen is an effective means for controlling municipal elevated highway noise.
通过固定式及活动式声屏障的设计，分析了室内声屏障的技术特点和经济效益。
The technical characteristics and economic merit of indoor sound barrier was analyzed according to the design based on the fixed type and movable type barrier.
作为一种经济而有效的手段，声屏障是控制和降低高速路交通噪声的主要措施。
As an economical and effective method, expressway noise barrier is a primary measure used to reduce traffic noise.
建造以后的各项指标测试表明，该声屏障取得了良好的降噪效果、生态效益和社会效益。
The test with the indices shows that the noise barriers have achieved satisfying noise-decreasing, ecological and social effects.
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.
公路声屏障不但降噪量大，而且可以因地制宜地建造各种类型和造型，充分与环境协调一致。
Expressway noise barrier not only can greatly reduce noise, but also can change its shape and type according to various surroundings.
从五矿住宅区的声环境现状入手，主要从声学角度阐述了该处声屏障设计的思路及其设计方法。
To start with the status acoustic environment of the Wukuang residential area, some considerations and ways of sound barrier design were given for protecting the residents from highway noise.
为了验证新型声屏障的实际性能，在消音室对采用不同顶端结构的声屏障进行一系列实验研究。
In order to verify the actual performance of the noise barrier. A series of comparison tests has been carry out in anechoic chamber.
该声屏障充分利用了轨道床两侧架设通讯电缆的凹型空腔，并依据列车噪声分布进行了针对性设计。
The sound-barrier sufficiently uses the concave space of both sides of the railway which is used for communication cable, and designs based on distributed noise result of urban rail transit.
经方案论证，设置弧形鱼鳞状吸声型声屏障，噪声均达到相关标准规定，取得较好的环境与社会效益。
The noise could reach the relevant standards and achieve better environmental and social benefits through setting the arc fish scale sound barrier by simulation and plan evaluation.
声屏障工程是防治铁路噪声影响的有效措施，声学设计是保证声屏障工程降噪效果的重要手段和方法。
Sound barrier engineering is the effective measure to control the impact of railway noise, and acoustics design is the main ways and means to assure the effect of barrier.
建议声屏障结构设计基本风速重现期取50年，风荷载应考虑活载风与极限风两种情况，重要性系数取1。
It's suggested that design basic wind speed based upon 50-year mean recurrence interval, and coefficient for importance of a structure taken as 1.
高架道路声屏障设计是近几年来道路与铁路建设中的热门话题，尤其在城市道路或高速公路入城段尤显突出。
In the recent years the sound protective screen design of viaduct is a popular topic of road and railway construction, especially for city roads and city entering section of expressway.
本文从分析声屏障的声学原理入手，探讨声屏障的透射、反射和绕射机理以及对这三种传播途径的影响因素。
This paper analysis the acoustic principles of noise barriers, discuss the transmission, reflection and diffraction of the noise barrier, and the influencing factors of the three transmission routes.
镇海3 0 0MW燃气—蒸汽联合循环发电工程采用计算机技术对噪声传播进行模拟和预测，优化了隔声屏障的设计。
Computer technology was used to simulate and forecast the noise spread in Zhenhai 300mw gas steam combined cycle power generation project. The design of sound barrier was optimized.
并综述了铁路噪声选线设计方面的研究进展，并还深入探讨了铁路噪声的产生机理、降噪技术方法与各种声屏障的设计使用。
The design of noise environmental effect was analysed, and the railroad noise affecting factors, the denoising technical method and sound barrier designing were discussed.
根据合淮阜高逨公路的实际情况，在声屏障声学原理的基础上，设计了声屏障的防护目标、位置、高度、长度、结构和绿化。
Protected objectives, location, height, length, structure and landscaping were designed in accordance with the conditions of Hehuaifu Expressway, based on acoustics principles on noise barriers.
背景：次声暴露导致大鼠血-视网膜屏障通透性增加。
BACKGROUND: the permeability of blood retinal barrier in rats can be increased due to the exposure under infrasound.
背景：次声暴露导致大鼠血-视网膜屏障通透性增加。
BACKGROUND: the permeability of blood retinal barrier in rats can be increased due to the exposure under infrasound.
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