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- This paper presents briefly the developing process of envirnmental acoustics and then the prospects on auditorium acoustics, environmental noise and noise control for the new century. 本文简述环境声学的发展过程以及在厅堂音质、环境噪声和噪声控制方面的新世纪展望。
- This paper discuss soures of noise in the IC works, important of noise control and main measure for nois control. 本文分析了集成电路制厂的噪声来源,阐述了噪声控制的重要性及主要噪声的控制措施。
- environmental noise control 环境噪音控制
- What are the common types of environmental noise? 常见的环境噪音有哪几类?
- Acoustics Design and Noise Control ? 音质设计与噪声控制
- This Law shall apply to prevention and control of environmental noise pollution in the territory of the People's Republic of China. 本法适用于中华人民共和国领域内环境噪声污染的防治。
- In order to guarantee the necessary acoustical environment of human basic living,a maximum allowed value of environmental noise should be stipulated. 为保证人的基本生活环境所要求的最低声学环境,应该规定一个环境噪声的最高允许值。
- Motor vehicles must be regularly serviced and kept in good repair in order to maintain excellent technical performance and help prevent and control environmental noise pollution. 机动车辆必须加强维修和保养，保持技术性能良好，防治环境噪声污染。
- Noise control for engineers Lord et al. McGraw-Hill. 参考书目(书名,作者,书局,代理商,说明
- Quantitative analysing to the present stage o f c ity environmental noise is a basic work that control effectively city noise poll ution. 对城市环境噪声状况进行定量分析是实现城市噪声污染有效控制的基础性工作。
- The result provides valuable reference for projects including noise control diagnosis acoustical environment design etc. 计算结果可为噪声控制、故障诊断、声环境设计等工程实际应用提供有价值的参考。
- In the paper, based on the require of acoustical environment and acoustics theory, One noise control way to it is introduced after detailed research. 根据声学环境要求和声学理论，在调研的基础上，提出了相应的噪声控制措施。
- The situation of environmental noise quality of Anning is analyzed,as well as the noise sources and the reasons of pollution,based on which, control measures are pointed out. 分析了安宁市环境噪声质量状况、主要来源和污染原因,提出了防治及控制措施。
- Environmental noise functional regionalization of Qujing urban area is studied. 对曲靖市城区进行了环境噪声功能区划分;
- Article 23 The industrial noise emitted to the living environment of the neighbourhood within an urban area shall be kept within the limits set by the State on emission of environmental noise within the boundary of an industrial enterprise. 第二十三条 在城市范围内向周围生活环境排放工业噪声的，应当符合国家规定的工业企业厂界环境噪声排放标准。
- In term of environmental effect, the noise characteristics of gas engine are analyzed.Then, the feasibility to the noise control of gas engine is approved through practice. 系统环境影响研究中,对燃气内燃机的噪声特征进行了实测分析,并通过降噪实践证实了燃气内燃机噪声控制的可行性;
- Muffler is the conventional muffling device in the noise control of compressor. 消声器是压缩机噪声控制中常用的消声装置。
- Article 1 This Law is enacted for the purpose of preventing and controlling environmental noise pollution,protecting and improving the living environment,ensuring human health and promoting economic and social development. 第一条为防治环境噪声污染，保护和改善生活环境，保障人体健康，促进经济和社会发展，制定本法。
- For purposes of this Law,"environmental noise" means the sound that is emitted in the course of industrial production,construction,transportation and social activities and that impairs the living environment of the neighbourhood. 本法所称环境噪声，是指在工业生产、建筑施工、交通运输和社会生活中所产生的干扰周围生活环境的声音。
- Noise is defined as unwanted sound. Noise control is important in any environment occupied by people, such as in industrial plants. It is also important in crowded city streets, dwellings, and offices. 在任何有人的地方，比如工厂，噪音控制很重要。在拥挤的街道、住宅和办公室，噪音控制也很重要。
