The noise of fan outlet is a chief noise source in the coal mine.
对于煤矿噪声分析，主要噪声源是风机出口噪声。
The harnessing of noise and smust to boiler are studied, pugging and ventilation are adopted to harnest noise of fan. Desulfurizing QYD type dust-remove equipment is adopted to harnest smust.
通过对煤矿锅炉噪声治理和烟尘治理的研究，阐述了通过采用隔声罩和机械通风冷却设施对引风机和鼓风机的降噪治理。
Consider going to sleep to the sound of white noise, either from a bedside fan or a machine that generates calming sounds.
考虑在无噪声中睡觉，无论是从床头风扇还是机器产生平静的声音。
That fan makes a lot of noise, though.
不过那个电扇噪音很大。
I'm not a huge fan of music. I don't like noise.
我并不是一个狂热的音乐迷，不喜欢噪音。
While one of the crew was using the Russian-made toilet last week, the toilet motor fan stopped working after “it made a loud noise”, according to NASA.
据介绍，上周一名宇航员上厕所时，“马桶突然发出一声很大的声响”，厕所的风扇就不转了。
The constant noise of a fan might work for you too. Having a music system in your room can be a source of interfering with your ability to fall asleep if you're sensitive to it.[24]
风扇连续不断工作发出的声音也会影响你的睡眠，如果你对这种声音很敏感，在你的房间安装一台音乐播放器播放一些音乐可以助你入睡，但你要注意使用音乐带给人的乐趣不要滥用。
The type of bearing used in a fan can affect its performance and noise output.
该类型的轴承用在范会影响其性能和噪声输出。
The tubular cross flow fan is the main component of rotation noise and worm flow noise.
矿用贯流风机噪声的主要成分是旋转噪声和涡流噪声。
Results of identification and analysis show that main noise source of the model GZ6921 bus is cooling fan.
识别及分析结果表明，冷却风扇噪声是GZ 6921型客车的主要噪声源。
The low power, low noise, blower fan, wind knife mouth dry air temperature is used, the effective protection of material itself color and quality, the effect is better.
采用低功率、低噪音的风机，吹风口成风刀状，吹干风温为常用温，有效保护物料本身的色泽和品质，效果更佳。
Vortexs are observed after the beams, which greatly influence the inlet air-flow of fan, reduces the air-flux, causes noise and wastes energy.
支承结构造成的流体绕流现象在风机进口处形成涡流，造成风机风量减少，噪声增加，浪费能源。
This paper introduces the principles of sound intensity method and the application of the method to measure the noise of the fan.
该文介绍了声强法的原理和通风机噪声的声强测量方法，有一定实际应用价值。
As the bypass ratio of turbofan engine is more and more high, fan noise is a more important part to the overall turbofan engine noise.
随着飞机广泛使用的涡轮风扇发动机涵道比的不断提高，风扇噪声在飞机总噪声中占有越来越突出的地位。
In terms of air flow and noise level, we actively do AMCA Association of industrial and is widely considered to be fan service to a higher ideal height.
在空气流量和噪音水平方面，我们积极的促进AMCA协会而被广泛认为是将风机工业及服务推向了更高的理想高度。
Open air conditioning in the car, the average person will not be open to the maximum block, that is done to do the oil, and the noise of the fan is too big, annoying.
在车内开空调，一般人都不会开到最大挡，以为那样做会费油，而且风扇的噪音太大，让人心烦。
Strong noise pollution had been controled for noise source equipments including mainly 18 fans in Qingdao factory of traditional Chinese medicine, the major step is concentrated control of fan group.
对青岛中药厂以18台风机为主的噪声源设备造成的强噪声污染进行了综合治理，重点措施是风机机群的集中控制。
The noise of the fan is mainly consist of circumrotatory noise and backset noise based on the theoretical analysis.
首先基于风机噪声理论的分析确定了影响风机噪声源的主要因素是旋转噪声和涡流噪声。
From the result, we know the fan noise is mostly a width frequency noise, then obtain the effect of the fan noise on the engine noise in the different frequency range.
试验结果表明，风扇噪声主要是宽频带噪声，并得出了在不同频率范围风扇噪声对发动机噪声的影响。
To improve the efficiency and reduce the noise of the axial fan, Optimization is made for the pneumatically designing through Composite shape arithmetic.
为了提高轴流通风机的效率和降低噪音，用复合形法对轴流通风机的气动设计进行优化。
The reduction of the noise and airflow pressure dropped in the fan of 4ZTL-1800 rice combine harvester threshing prior to cutting should be paid attention.
气吸式4ZTL-1800割前摘脱稻（麦）联合收获机的吸运风机的能耗和噪声一般都较大。
Introduced the noise classification and the mechanism of centrifugal fan in the rubber industry, and analyzed the conversion of centrifugal fan noise level.
介绍了橡胶工业用离心风机的噪声分类及噪声机理，分析了离心风机噪声级的换算。
The mechanism of noise generation of fan for center air-conditioner is analyzed. A few measures of noise reducing is introduced. Good result is obtained in practical use.
分析了中央空调组合机组内离心通风机噪声产生的机理。介绍了几种降噪措施。实际应用中取得良好效果。
Fan base using elastic foundation, noise than 85 decibel of centrifugal fan set enclosures.
风机基础采用弹性基础，噪音超过85分贝的离心风机设隔音罩。
Fans: high efficiency, high reliability and low noise centrifugal fan, the wind a large amount of air distance and easy maintenance.
风机：采用高效率、高可靠性和低噪音的离心风机，风量大，送风距离远，维护方便。
The design principles of engine cooling fans are meeting the cooling demands of a engine, improving the efficiency of fans and reducing the fan noise.
发动机风扇的设计原则是在满足发动机冷却能力的前提下，提高风扇效率，降低风扇噪声。
Used to computer the power of the fan is fixed, reduce noise, strong.
用于电脑电源风扇之固定，降低噪音，牢固。
Based on technical measurement of a certain fan before and after alternation, energy consuming and noise are compared respectively. The economic and technical analysis is made too.
通过对具体主通风机改造前、后的技术测定，对能耗和噪音进行了比较，并进行了经济和技术分析。
Through analyzing the noise signals, we find out the characteristics of noise distribution around fan.
通过分析采集的噪声信号，了解了风机周围的噪声分布特点。
A specialized noise test bench of automobile cooling fan was designed to carry out the bench test and the outer vehicle acceleration noise test also was conducted.
设计制造了发动机冷却风扇噪声性能测试专用试验台，用于冷却风扇的台架试验。
应用推荐