| 1. | Noise and vibration control 噪声与振动控制 |
| 2. | Application research of active noise and vibration control technology in submarines 有源振动噪声控制技术在潜艇中的应用研究 |
| 3. | Noise and vibration control on construction and open sites - code of practice applicable to surface mineral extraction except coal sites 建筑工地和露天工地噪声和振动控制.第5部分:表层矿石开采点 |
| 4. | Noise and vibration control on construction and open sites - code of practice applicable to surface coal extraction by opencast methods 建筑工地和露天工地噪声和振动控制.第3部分:露天开采地表煤惯例指南 |
| 5. | Noise and vibration control on construction and open sites - code of practice for noise and vibration control applicable to piling operations 建筑工地和露天场地噪声控制.第4部分:打桩作业噪声和振动控制惯例 |
| 6. | Noise and vibration control on construction and open sites - code of practice for basic information and procedures for noise and vibration control 建筑工地和露天场地噪声和振动控制.第1部分:噪声和振动控制基本信息和程序惯例 |
| 7. | Noise and vibration control on construction and open sites - guide to noise and vibration control legislation for construction and demolition including road construction and maintenance 建筑工地和露天场地的噪声和振动控制.第2部分:施工和拆除 |
| 8. | In a word , the paper develops an integrated set of testing and analyzing system aimed at vehicle noise and vibration control , offering an important means to improve the vehicle nvh level 综上所述,本文针对汽车噪声与振动开发了一套功能完善的集成化测量分析系统,为进一步提高汽车的nvh水平提供了重要手段。 |
| 9. | Abstract : on the basis of the analysis about noise sources of the air compressor , it shows that air dynamic noise is primary one . according to the theory of fluid mechanics , the mathematics model of the air compreesor air dynamic noise is found , which shows the relationship between the sound power level and other parameters . the knowing noise of the air compressor " s air dynamic is of low frequencies . the reliable data is provided for the noise and vibration control 文摘:通过对空压机噪声源的分析,确认空压机噪声源中的空气动力性噪声为最强;由流体流场的声学理论,建立空压机动力性噪声源的力学模型,它表明声功率与其它参数的关系;并知空压机的空气动力性噪声呈低频特性,这为噪声及振动控制提供了可靠的依据 |