提出了一些降低轨道结构噪声与振动的有效方法和结构形式。
This research has a certain reference and application values for urban rail transit design and railway track structure design.
采用剪鳍标记现场模拟法，测定了钻井噪声与振动对草鱼生长的影响。
Effects of petroleum drilling noise and vibration pollution on growth of grass carp, Myloparyngodon piceus, were studied by cut-fin marking method on petroleum reconnoitering spot.
因此，用非听觉系统激起反应解释钻井噪声与振动对鲤鱼的影响机制可能是合理的。
Therefore, it may be reasonable that the affecting mechanism could be explained by activating response of non-hearing system.
目的比较和分析稳态噪声、脉冲噪声、脉冲噪声与振动联合作用对作业工人听力的影响。
Objective To analyse the effects on occupational workers hearing loss caused by steady state noise, impulsive noise and segmental vibration.
本文主要研究内容：在对风机进行噪声与振动控制的研究中，需要有效的噪声振动测试手段。
The main contents in the dissertation are as follows: Through study of controlling blower's noise and vibration, it's important to select an effective noise and vibration testing method.
对压路机试车场噪声与振动进行分析研究，采取几项措施的综合治理，试车场的减振降噪取得较好的效果。
Through analysis and research on the noise and vibration in the test ground of vibratory road roller, measures have been taken to lower the noise and vibration level and good effect has been resulted.
可控震源车的噪声与振动对人体有一定的危害，这一问题一直让制造厂家感到十分棘手，也困扰着震源车司机。
The noise and vibrating of the vibrator are very harmful to people's healthies . They are big headaches for the manufactory and cause a lot of troubles to vibrator drivers.
本文对近十几年来新兴的阻尼技术的基本原理进行了简要分析，并对其在噪声与振动控制工程中的广泛应用状况进行了介绍。
This paper analyzes the basic principle of the new damping technology in recent years, and gives the examples of its wide application for vibration and noise control engineering.
可以从锯片的基体结构、金刚石节块的结构、锯切工艺以及锯机的整体性能等方面来进行改进，从而达到降低噪声与振动的目的。
The matrix structure, structure of diamond segment, cutting technology and the overall performances of the cutting machine can be improved to reduce noise and vibration.
针对液体射流泵的空化噪声与振动进行了试验研究；运用B&K加速度仪和水听器对射流泵各部位在不同工况下的空化噪声与振动进行了测量。
The B&K accelerometer and hydrophone were used for the measurement of the cavitation noise and vibration at different part of jet pump under different operating modes.
可采用多种钢轨廓形，使每种廓形与车轮均有一定数量的接触点，可以提高导向性能和总体的车辆运行质量，从而减少噪声和振动。
Use of a variety of rail profiles with a range of contact points improves steering and overall ride quality, and thereby reduces noise and vibration.
汽车的振动与噪声主要来源于发动机系统和传动系统。
The vibration and noise of the automobiles mostly comes from the engine and transmission system.
双凸极电机的径向磁吸力是电机产生振动与噪声的主要来源。
The radial magnetic force is the primary source of vibration and noise in doubly-salient motor.
在理论模态分析的基础上，根据现有的试验设备设计了合理的试验方案，为下步的振动与噪声的试验做了必要的理论准备。
Finally, Based the analysis of theory modal, a modal testing program has been designed according to the existing test equipments, which prepares for the next testing of the vibration and noise.
对微型电机的振动与噪声机理进行了研究。
The vibration and noise of micro-motor were investigated in this paper.
齿轮箱是舰船动力装置的一个重要部件，易出现故障，也是舰船振动与噪声的主要根源之一。
Gearbox is an important part of warship power plant which is easy to lead to faults, it is also one of the important sources of warship vibration and noise.
本文从声学振动理论出发，分析并导出了结构的振动与表面辐射噪声的关系。
In this paper, the relationship between the structure vibration and the surface noise radiation is analyzed and deduced from the acoustic and vibrational theory.
又通过发动机机体表面振动加速度，确定活塞敲击噪声产生的根源在于活塞与缸套的碰撞冲击。
It has also been clear that the source of piston knock noise is the impact between piston and cylinder sleeve by the vibration acceleration of the engine's body surface.
通过轴承部位的隔振以及箱体采用高阻尼合金材料，齿轮箱的振动与噪声有了明显下降。
The vibration and noise level declined obviously through the isolation around the bearing as well as the adoption of damping alloy as the material of the gearbox body.
泵的脉动运动与不平衡振动产生了结构噪声，结构噪声在频谱中清晰显示出来。
The impulse motion and the unbalanced vibration of the pump generate certain structural noise which could be significantly expressed in frequency spectrum.
永磁电机中永磁体与有槽电枢铁心之间相互作用，产生齿槽转矩，引起电机振动和噪声。
Due to the interaction between the permanent magnet and slotted armature lamination, there exists cogging torque in slotted permanent magnet motors, which may cause noise and vibration.
我们还提供噪声、声学、声音与振动等领域的咨询服务。
We provide also consultant services in the fields of noise, acoustic, sound and vibration.
振动与噪声控制在科学研究中具有非常重要的理论意义和工程实际价值。
Vibration and noise control possess an very important value in scientific research in theoretical and practical engineering.
论文首先对前人在发动机振动与噪声控制研究方面的成果作了概述，明确了本文研究工作的重点和需要解决的主要问题。
The achievements of former researcher in noise and vibration control of engine are reviewed firstly, which make the key problems clearer.
滚动轴承的振动与噪声已成为轴承的基本特性之一，各轴承工业发达国家均进行了大量深入系统地研究，现已达到相当高的程度。
The vibration and noise of the rolling bearing is one of the basic properties of rolling bearing. Some advanced countries in bearing industry have made deep and systematic study on it at higher level.
这种误差对传动系统的精度与动态特性(特别是振动与噪声)有直接的影响。
It directly influences on the accuracy of drive systems and dynamic characteristics, especially vibration and noise.
为金属切削机床的振动与噪声分析和故障诊断提供了进一步的分析方法。
An useful analysis method for diagnosis of breakdown, vib- rarion and noise in metal cutting machine tools is offered.
与传统打桩锤相比较具有噪声小、无污染、振动小、打击能量高等优点，符合环保要求，并具有良好的动力学特性。
Compared with normal hammers, it has a lot of advantages, such as lower noise, no exhaust gas, less vibration, high piling energy and better dynamics characteristics.
在整机振动控制过程中，根据频域特性提出了控制策略，从而确保了实验装置制冷系统的安全运行，使机组振动与噪声得到了有效的控制。
The strategy based on frequency characteristics has been founded for the system vibration isolation. It can insure the safe run and can restrain the yawp for the refrigeration system of device.
机构铰接副处过大间隙将引起异常的振动与噪声，加速了疲劳与磨损，严重地影响了机器的动态性能。
Excessive clearance of mechanism joint pair will cause abnormal vibration and noise, accelerate fatigue and wear and seriously affect the dynamic performance of machine.
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