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- Noise and Vibration Level Measuring of Lin. 交通噪音、振动及车流量测定。
- The hard sealing gasket also can absorb the noise and vibration. 密封垫圈也可吸收噪音及振动。
- Beijing ShijiJingye Noise and Vibration Control Co., Ltd. 北京世纪静业噪声振动控制技术有限公司。
- Noise and vibration are the greatest factors influencing comfortableness. 噪声和振动是影响舒适性的最大因素。
- When noise and vibration must be restricted, lower clearances are necessary. 当噪音和振动，必须加以限制，降低许可是必要的。
- The uniformity of propeller wake has close relationship to noise and vibration problems at ship stern. 艉迹流的均匀性与船艉振动与噪音问题有直接相关性。
- Suitable noise and vibration isolation, and protection against freezing must be provided. 必须提供适当的消声和隔振以及防冻措施。
- Special lateral cross-flow fan makes lower fan rotation speed, which ensures lower noise and vibration levels. 独特的交错纹风扇设计有效减低转速以降低噪音及震动。
- Gives a con- crete on-line assembly program applied to analyzing the noise and vibration of light rail vehicles. 这种联机系统是在2033A同样功能扩展的各种系统中最经济并且相当实用的系统本文给出了具体的联机汇编程序,使用本系统于噪声振动等项目,尤其是轻轨车辆的噪声振动分析,充分显示了它的优点。
- Timar, P. L., Noise and Vibration of Electrical Machines, Elsevier, New York, 1989. 周新祥，噪声控制及应用实例，中国北京，海洋出版社，1999。
- Environment analysis and monitoring instrument (water quality, gas, noise and vibration measuring instrument, pollution monitoring system etc. 环境分析监测仪(水质、气体、噪声和振动测试仪、污染监测系统等)
- According to these frequency, analyse the rear axlein harmonic and noise analysis, and find out the main resource of noise and vibration. 针对这些频率值,对驱动桥桥壳进行谐响应分析和辐射噪声分析,找出桥壳主要的振动噪声源。
- PULSE system of Bruel & Kjar Company is one of the most extensively used platforms in the field of noise and vibration measurement. Bruel &Kjar公司的PULSE系统是噪声振动测量领域应用最为广泛的系统之一。
- It can cause the noise and vibration,damages the hydraulic part,even influences their life.So it disturbs the use of the system seriously. 液压冲击使系统产生振动和噪声,不仅破坏液压元件,严重影响液压元件的使用寿命,而且严重妨碍了液压系统正常工作。
- McConnell K.G. and C.E. Bouton, “Noise and Vibration Control with Robust Vibration Suppression”,Journal of Sound and Vibration, pp.24-26, June, 1997. 王伟辉、许荣均、张建仁，“阻尼材料与船底纵梁贴板对结构振动与噪音特性之影响分别”，联合船舶设计发展中心，经济部科技研究发展专案，1997。
- Conclusion: Good ventilation,maintenance of fresh air and removal of odors in ship cabins,decrease in noise and vibration leve... 结论:加强艇的通风、保持空气新鲜、去除异常气味、降低噪音与振动、减少视觉刺激、平卧休息、降低重心、加强睡眠、注意饮食可以降低晕船的发生率。
- The numerical tool Orpheus enables studying and optimizing the dynamic behaviour of noise and vibration critical bearing applications (e. G. Electric motors, gearboxes). 数字工具Orpheus可用来研究和优化对轴承应用(例如电动机、变速箱)至关重要的噪音和振动的等效状况。
- Tilting Disc Check valves are similar to swing check valves. In most installations, slamming is minimized upon reversal of flow so noise and vibration are reduced. 翻转式阀瓣止回阀与旋启式止回阀类似。对于大多数安装的翻转式阀瓣止回阀,由于流体倒流造成的撞击程度最小,因此噪音和振动也有所减小。
- It can be effectively separate the noise and vibration as its have some space at the end of the tube, the pipeline is not affected when thermal expansion or contraction. 因管末端有间隙可有效地隔断噪音及振动地传播,热胀冷缩时管路亦不受影响;
- Effect of drilling noise and vibration pollution ong rowth ofcarp(Cyprinus carpio) was studied by cut-fin marking method on petr oleum reconnoitering spot. 采用剪鳍标记法，现场模拟测定了钻井噪声与振动对鲤鱼生长的影响。
