噪声治理及降温,noise prevention and temperature control
1)noise prevention and temperature control噪声治理及降温
英文短句/例句
1.Research on Noise Prevention and Temperature Control Techniques of Mine Main Fan煤矿主通风机噪声治理及降温工程应用研究
2.The thermal noise of resistance could be overcome by reducing the physical temperature, choosing appropriate working frequency band low noise elements, etc.可通过降低电路的物理温度、择合适的工作频带及低噪声元件等措施,克服电阻热噪声。
3.Analysis of Reciprocating Pump Vibration and Noise Mechanism and Reduction Measures往复泵振动和噪声机理分析及减振降噪措施
4.Ventilation System Design and Workshop Noise Control;操作室通风系统及噪声治理设计研究
5.The Condition of Noisy Petition in Jia Musi City and Its Control Measures佳木斯市噪声的信访现状及治理措施
6.Pass-by Noise Analysis and Decline Noise Measure of BJ6112 City Bus;BJ6112型客车车外噪声分析及降噪措施
7.The Origin of Noises from Vehicle Transmissions and the Measures how to Lower Them汽车变速器总成的噪声源及降噪措施
8.The noise temperature is in the most favourable case given by the temperature of the receiver.理想的噪声温度即是接收机的温度。
9.The sources and principle of transformer noise are discussed. The main measures to reduce transformer noise at home and abroad are introduced.阐述了变压器噪声的来源及产生机理,介绍了国内外在降低变压器噪声方面采取的主要措施。
10.Analysis of the Noise Character and Study of the Noise Comprehensive Control in the Thermal Power Plant;火电厂噪声特性分析及综合治理研究初探
11.The impact of road traffic noise on the environment and the management of road traffic noise公路交通噪声对环境的影响及其治理措施
12.Review on methods of noise reducing for equipment in substations, converter stations and transmission lines变电站、换流站和输电线路噪声及其治理技术
13.According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.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。
14.Application of sub-space projection noise reduction in the processing of ships chaotic signal子空间降噪在舰船噪声混沌信号处理中的应用
15.Noise Measurement and Reduction of Motorcycle Abroad世界各国摩托车的噪声测试方法及降噪措施(1)
16.Technique Research of Reducing Noise Inside the Light Rail Vehicle;城市轻轨车辆车内噪声分析及降噪研究
17.The noise analysis and control measures review in seawater system海水系统噪声分析及其减振降噪措施综述
18.Noise Reduction of High-pressure Common-rail Engine and the Impact of Engine Performances on the Noise高压共轨发动机降噪及其性能对噪声的影响
相关短句/例句
noise control噪声治理
1.The scheme book ofnoise control of some cement products plant某水泥制品厂噪声治理方案书
2.In the paper,based on the require of acoustical environment and acoustics theory,thenoise control way to it is introduced after detailed research and analysis,and had gotten ideal performance.根据环境噪声要求和声学理论,在调研分析的基础上,提出了有针对性的噪声治理措施,并获得很好的效果。
3.Anoise control project for Fumier Discharging of the Rubber Vulcanization Jar by using the small hole spraying composite muffler and noise reducing channel is depicted in this paper.介绍了一例硫化罐噪声治理工程,通过采用小孔喷注复合消声器及消声道进行治理,噪声治理工程实施结果表明,排汽时噪声由114dB(A)降低到63dB(A),消声量高达51dB(A),达到了《工业企业噪声卫生标准》排放要求。
3)noise reduction噪声治理
1.The necessity ofnoise reduction in power plant is elaborated.结合电力发展趋势指出火电厂噪声治理的必要性,分析火电厂存在的主要噪声声源及其频带分布,分别从噪声声源与传播途径两个方面对火电厂的噪声治理方案进行总结分析,并给出某火电厂0 m层与8 m层的噪声治理实例,最后提出火电厂噪声治理几个应注意的问题。
4)noise treatment噪声治理
5)Principle & Analysis of Noise噪声原理及分析
6)reducing temperature and noise降温降噪
1.An integrated system ofreducing temperature and noise is designed,which has some functions,such as collecting heat,isolating noise,exhausting heat and eliminating noise.因此,设计了具有集热、降温和消声功能的的电机降温降噪综合系统。
延伸阅读
常规噪声治理技术常规噪声治理技术general noise administer technologyehanggui zaOSheng zhili Jishu常规嗓声治理技术(general noiee adminis-ter teehnology)吸声 降嗓贵计葬 吸声材料与结构隔声 隔声间 隔声革 隔声屏消声 祖性消声器 杭性消声器 胆杭复合式消声器 徽穿孔板消声器 节流降压消声器 小孔消声器 多孔扩散消声器隔振 隔振设计隔振器胆尼减振噪声治理中，通常采取的工程技术措施，包括吸声、隔声、消声、隔振与减振阻尼。主要应用于阻断噪声的传播。吸声利用可以吸收声能的材料或物体的特殊结构，吸收人射的部分声能，转化为其他能量，达到降低噪声目的的技术措施。吸声主要应用于降低封闭或半封闭空间中的混响声，以及室外如隔声屏的设计等。前者如普通厂房，操作室等，其内表面一般都是由平整坚硬的材料(混凝土、砖等)构成。当室内声源发声时，人们除了听到由声源传来的直达声外，还会听到由室内表面一次和多次反射声登加而形成的混响声，使室内接收者受到较室外同样声源更大的干扰。若在室内壁面布置或在空中悬吊吸声材料制成的吸声结构，便可减弱混响声，达到降噪的目的。吸声可使一般室内的噪声降低3~sdB (A)。 降噪量计算在靠近声源处，直达声占优势，吸声处理不起作用;在距声源一定距离之外，混响声占优势，吸声处理的各频带降噪量可按下式计算:二P一1019李一1。，g孕(i) 口1 12式中△五。为某频带的吸声降噪量，dB;云l、瓦分别为室内吸声处理后与吸声处理前的该频带的平均吸声系数，无量纲。
