Therefore a method of the sound effect subjective feeling was obtained and could be means to assess the sound quality effect, mine noise and harmonized control.
从而获得音质效果主观感受的一种方法，为评价音质效果及煤矿噪声和谐化控制提供一种手段。
Spread spectrum communication is the most efficient mode in the strong noise environment such as the coal mine.
扩频通信是矿井等强噪声环境中最有效的通信方式。
The noise produced by Roots blower was effectively reduced with advanced noise control techniques in the coal washing plant of Fenghuangshan Mine.
介绍了凤凰山矿洗煤厂罗茨鼓风机房内外采用先进的噪声控制技术，有效地降低了罗茨鼓风机及周围的环境噪声。
It was found that the main occupational hazards in nickel mine are air pollution (industrial dusts, nickel and other chemical agents), noise and heat stress.
该矿主要职业危害因素是生产性粉尘、镍及其他化学物所致空气污染、噪声以及高气温与热辐射。
The mechanisms of the noise generated in mine ventilation system, mainly in ventilators and electric motors, are analyzed in detail main measures and ways of noise controlling are put forward.
就矿井通风系统(主要针对通风机、电动机)噪声产生的机理进行了较深入的研究分析，并提出其噪声控制的主要措施与途径。
This signal decomposition and rebuilding algorithm was used in processing the blast - caused seismic signal noise of Nanfen Iron Open - pit Mine, which achieved good noise subtracting effect.
利用这种信号的分解与重构算法在南芬露天矿爆破地震信号噪声处理中，取得较好去噪效果。
This signal decomposition and rebuilding algorithm was used in processing the blast - caused seismic signal noise of Nanfen Iron Open - pit Mine, which achieved good noise subtracting effect.
利用这种信号的分解与重构算法在南芬露天矿爆破地震信号噪声处理中，取得较好去噪效果。
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