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21. | noise active control is proposed, that is design theory and method of sound interdict strap, active sound |
| 最后,提出噪声控制工程的未来发展方向,即:声学禁带设计理论与方法,主动吸声,新型吸声材料的研究。 |
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22. | The acoustical and communications engineer is concerned with the generation, transmission, and absorption |
| 声学和通信工程人员研究的问题涉及声音的产生、传播和吸收等。 |
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23. | designs of acoustic structure of high sound insulation testing room, and applications in the field of sound-absorption |
| 摘要介绍了高隔声测试室的声学结构设计及在吸声领域的应用,以供噪声控制和建筑声学专业人员参考。 |
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24. | This paper, from the view of sound absorption treatment, control of background noise and reflected sound |
| 从吸声处理、景噪声、射声控制等方面分析了内燃机试车室与噪声功率测试室兼容的可能性及条件。 |
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25. | Function and Advantages: It features such function as superb sound absorption, shock-proofing, anti-flaming |
| 功能与优点:具有极强的防锈蚀、防渗水、隔音降噪、堵漏修补、防撞击等功能,可以提供持久的保护作用,全面延长汽车底盘使用寿命。 |
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26. | insulation wrap" the product, fundamentally has solved this problem, this product has used the advanced sound |
| 噪音无时无刻不在影响着我们正常的生活,例如;一个刚刚装修完的家庭,到了夜深人静楼上下水管的噪声,使你无法正常休息,特别是老年人,神经衰弱,心脏不好等群体,更是无法休息,圣轩公司生产的“下水管隔声套”产品,从根本上解决了这个问题,此产品采用了先进的隔音,吸音,材料,经过专业技术多年的研究开发,并经过北京十个小区不同层次业主试验,隔音效果达到90%以上,满意率达99%以上,无一例投诉,受到业主们普遍欢迎。 |
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