It is shown that the better result of vibration and noise reduction can be achieved when using them simultaneously in design.

The general design technology of vibration and noise reduction on newtype navigation administration boats is introduced.

For the purpose of cabin noise reduction, in this paper, the plane panel s vibrational characteristics before and after equipped with dynamic vibration absorbers are analyzed, the formulae for calculating the vibration and noise reduction of the plane panel with dynamic vibration absorbers are given, and the dynamic vibration absorber s parameters are discussed.

Reach on properties of reduction of vibration and noise with foamed aluminium damping-ring;

For probing into the new way of reduction of vibration and noise in gearing,vibration math modal of gearing-plug system is set up by analyzing mechanism of vibration and noise in gearing.

Study on Noise and Vibration Reduction of Providing Water System to High Building;

A reasonable layout, calculational methods of loads on the structure under the train load, measures of noise and vibration reduction, and the arrangement of track in the depot, ar.

The job provides a reliable foundation for reducing vibration and lowering noise level of the machine.

Analyzed the structural and run of currency count machine,identified the most noise source and vibration source in experiment method,and discussed the method of reducing vibration and lowering noise.

The necessity of damping and noise reduction in LIM rail transit system has been proved in this paper.

Based on vibration and noise mechanism occurring on high speed train, basic thinking for damping and noise reduction for high speed rail transport is proposed and the utilization status of such materials is analyzed.