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运行噪声
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  running noise
     Characteristics of Running Noise and Load of Motor Regulated by Frequency Converter Based on Wavelet Analysis
     基于小波分析的变频调速电动机运行噪声-负载特性
短句来源
     Research on Running Noise of Motor Regulated by Frequency Converter Based on Wavelet Analysis
     基于小波分析的变频调速电动机运行噪声研究
短句来源
     Study on Allowable values of Running Noise of Traffic Railway in China
     铁路列车运行噪声允许值的研究
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     The Establishment of A Prediction Mode of Running Noise of Urban Traffic Railway in China
     城市轨道交通列车运行噪声预测模式的确定
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     The Horizontal Direction of Train Running Noise
     列车运行噪声的水平指向性
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  operating noise
     Control of the Operating Noise from a 16MB430 Diesel Genset
     16MB430柴油发电机组运行噪声的治理
短句来源
     The main factors that influence its operating noise of dry-type transformer are analysed. And the control method is also introduced.
     分析了影响干式变压器运行噪声的主要因素,并介绍了控制噪声的方法
短句来源
     By illustration of the principle of noise barrier, design key points, and main types etc, the paper introduces the treatment to the elevated transit vehicle's operating noise systematically.
     从声屏障降噪原理、设计要点及声屏障主要型式等方面,系统介绍高架轨道交通列车运行噪声的治理。
短句来源
     The operating noise of ball mill is the strongest noise source of boiler workshop.
     球磨机的运行噪声是锅炉车间最强的噪声源,降噪改造具有重要的社会意义。
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     On the basis of suninarizing success and failure experience of LNG project, integrating with the fact of Guangxi power market, the paper discusses that how fuel price, the selection and layout of equipments, annual utilization ratio of equipments, operating noise, and type of electricity price etc. give an inpact to LNG combined cycle power plant project, which is helpful for the success of LNG project in Guangxi.
     参考国内外开展LNG项目成功与失败经验,结合广西电力市场实际情况,分别从燃料价格、主机选型与配置、设备年运行小时、运行噪声、定价方式等方面对LNG联合循环发电工程进行了分析,为广西LNG项目成功实施提供有益参考。
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  running noises
     The concentrated heating hot water boilers are normally built near the heat users,and the boiler running noise may produce pollution to the surroundings. This text will introduce the specific methods of decreasing the boiler running noises.
     集中供热热水锅炉一般建在热用户附近 ,运行时产生的噪声会对周围的环境造成污染 ,本文介绍了降低锅炉运行噪声的具体方法。
短句来源
     In order to alleviate the problem of railroad noise pollution,this paper studies the wheel- rail noise reducing technology by sticking high damping materials on the two sides of rail according to the characteristics of train running noises after speed increase and wheel-rail noise generating mechanism.
     针对铁路噪声污染状况,根据提速列车运行噪声的特点及轮轨噪声产生的机理,研究了通过在钢轨轨腰镶嵌高阻尼材料从而降低轮轨噪声的技术。
短句来源
  “运行噪声”译为未确定词的双语例句
     Vibration & Noise in Elevator Running
     电梯运行噪声及振动分析与治理
短句来源
     Noise Analysis and Control in Dry-Type Transformer Operation
     干式变压器运行噪声分析与控制
短句来源
     Asynchronous motor operation noise and method of controlling
     异步电动机运行噪声及其控制方法
短句来源
     Geometrical Spreading Loss of Running Train Noise
     列车运行噪声的几何发散损失
短句来源
     Proton exchange membrane fuel cell (PEMFC) has may merits such as working in low temperature, being convenient to maintain, low-noise when operated and able to realize no exhaust.
     质子交换膜燃料电池(proton exchange membrane fuel cell,简称PEMFC)具有工作温度低、维护方便、运行噪声低、可实现零排放等优点。
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  running noise
The testing results showed that the unloaded running noise source of precision panel saw was mainly from main saw blade and its aeromechanic noise was the largest.
      
The rotating speed was determined as an important factor to impact dynamic characters of precision panel saw as the unloaded running noise increased along with speed increasing.
      
Bearing noise takes the form of rolling-bearing running noise, especially where bearings are damaged.
      
Further, the power spectra of tape running noise and tape stopped noise are shown.
      
The environment to manipulate the bearings should be in a clean area to eliminate dust and reduce the running noise, and also the life.
      
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  operating noise
Improved LNA cryogenic cooling systems and the inclusion of critical feed components within them will lower operating noise.
      
Table 1 summarizes the EPA operating noise standards for older and newer railroad equipment.
      
The units have an ultraquiet compressor and fan coil technology to keep operating noise levels to a minimum.
      
The numerator is the antenna gain, the denominator is the operating noise temperature of the receiver.
      


Centrifugal jet vaeum pump (CJV Pump) are widely adopted in the industry, as the energy and water are saved, and there are low noise in opration. Through systemetieal study of the experiment and theory, the fundamentieal equation and simpified formula are proposed. The influnees of working and geometrical parameters also are analysed. The optimum range of CJV Pump is presented.

离心射流真空泵具有能耗低,省水和运行噪声小等优点,已被应用于各个工业部门。通过系统的试验和理论研究,提出了该泵的基本方程和简化公式。分析了工作及几何参数的影响,提出了该泵最优工作及几何参数范围。

Analyzes and rescarches the noise characteristics of air compressor for city railcars,and tests the noise of air compressor for streetcars and subway cars.Through the frequency spectrum analysis of noise above men- tioned,suggests that the noise of air compressors be reduced.

本文对城市轨道车辆空气压缩机噪声的产生及其特性进行了研究和分析,并对有轨电车和地铁车辆使用的空压机的噪声进行了测试。通过对上述两种空压机测试结果的频谱分析,对空压机对车辆运行噪声的影响和空压机的降噪措施提出了建议和改进意见

This article findout that operating noise of a jet flow pump maioly Versus the operating behaviour of a pump, working head, static suction head and other parametevs to be selected, by means of many prototype and model test. It indicats, that the big noise of a pume under operation is produced from the serious Cavitation and also findout the efficient method of reducing the operating noise of a jet flow pump

射流泵运行噪声的大小是衡量射流泵性能好坏的一个十分重要的指标。本文主要根据泵的大量原、模型试验结果,发现泵的运行噪声大小主要与泵的运行工况、泵的驱动水头、吸上水位和泵的其它参数选择等有关。并且认为射流泵在运行时产生强烈噪声主要来源于泵的严重气蚀。通过对现有已运行射流泵的调查与改造、试验,初步找到了降低高水头射流泵运行噪声的有效途径。

 
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