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- What are the common types of environmental noise? 常见的环境噪音有哪几类?
- 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。
- The model of two-level open quantum systems under coherent control is formulated, in which the decoherence suppression is equivalent to the decoupling problem of the system from environmental noises. 首先讨论了二能级开放量子系统在相干控制下的建模问题,将退相干抑制归结为与环境噪声解耦的控制问题。
- Then, an open-loop control is designed to suppress decoherence, which is shown to be capable of asymptotically decoupling a part of the dynamic variables of the system from the environmental noises. 然后,引入开环控制抑制退相干,并证明该控制可使系统状态中的部分分量与环境噪声渐近解耦。
- 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。
- 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。
- Article 25 Industrial enterprises that produce environmental noise pollution shall take effective measures to minimize the impact of noise on the living environment of the neighbourhood. 第二十五条产生环境噪声污染的工业企业,应当采取有效措施,减轻噪声对周围生活环境的影响。
- Article 28 The construction noise emitted to the living environment of the neighbourhood within an urban area shall be kept within the limits set by the State on the emission of environmental noise within the boundary of a construction site. 第二十八条在城市市区范围内向周围生活环境排放建筑施工噪声的,应当符合国家规定的建筑施工场界环境噪声排放标准。
- 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。
- Article 2 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. 第二条 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。
- The civil aviation department shall take effective measures to mitigate environmental noise pollution. 民航部门应当采取有效措施,减轻环境噪声污染。
- 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。
- The railway departments and other relevant departments shall act in accordance with such plans and take effective measures to mitigate environmental noise pollution. 铁路部门和其他有关部门应当按照规划的要求,采取有效措施,减轻环境噪声污染。
- 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。
- Tough PVB film can well damp sound waves and enable insulated glass effectively hinder sound transmission and definitely lower environmental noise. 韧质材质的PVB膜对声波有很好的阻尼作用,使夹胶玻璃能有效阻挡声音的传播,明显的降低外界环境噪音。
- Based on the research of quantity methods about city environmental noise sectioning, Fuzzy Chustering model is built up. The model is simple, accurate and practical. 摘要通过对城市声学环境定量区划方法的研究,提出使用模糊聚类模型进行区划,该方法简单,误差小,具有较强的实用价值。
- Article 18 The State applies an elimination system for out-dated equipment that produces serious environmental noise pollution. 第十八条国家对环境噪声污染严重的落后设备实行淘汰制度。
- He is insensitive to the environment. 他对环境感觉不敏锐。