Some measures of vibration damping and noise reduction are hereupon recommended.
在此基础上提出了对该机的减振降噪措施。
The test and analysis about the vibration damping and noise reduction of the canned coolant pump are studied.
对核动力装置屏蔽式冷却剂泵的减振降噪进行了测试与分析。
For the washing machine noise and vibration reduction predecessors developed a series of mechanical damping Angle of approach, but there are limitations.
针对洗衣机的减振降噪前人开发了一系列机械角度的减振方法，但都存在种种限制。
According to the function mechanisms, polymeric noise reduction composites were classified as vibration damping, sound absorption and sound insulation materials.
降噪材料按降噪机理可分为阻尼减振材料、吸声材料和隔声材料。
Based on experimental research of porous elastic road surface (PERS) in Japan, the noise reduction properties and mechanism are analyzed from porous absorption and damping vibration.
结合多孔弹性路面的试验研究，从多孔吸声和阻尼减振两个角度分析了其降噪机理和性能。
It is determined that damping rings with oil content provide stability in vibration and noise reduction.
确认了含油阻尼环具有减振降噪的稳定特性。
The theory of controlling the noise radiated by plate and shell according to frequency districts is stated. A damping design method in terms of the value of noise reduction is advanced.
本文阐述了板壳结构噪声的分区控制理论，提出了以降噪量作为设计指标的阻尼设计方法；
The influence of the cover thickness and the damping layer on the noise reduction effect of the sound insulation cover is analyzed.
提取了隔声罩的振动模态，分析了厚度和阻尼对隔声罩噪声辐射的影响。
The influence of the cover thickness and the damping layer on the noise reduction effect of the sound insulation cover is analyzed.
提取了隔声罩的振动模态，分析了厚度和阻尼对隔声罩噪声辐射的影响。
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