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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Vliv způsobu nakládání krmiva do krmného míchacího vozu na životní prostředí
 PULKRAB, Miroslav
This thesis aims to determine the effect of methods of loading feed to the mixer feeder wagon on the environment. Two types of loading devices were chosen for observation in the selected agricultural enterprise. The first part of this thesis deals with machines and equipment for feeding of cattle as well as sources, division and effects of noise. In the second part there is described the methodology of measuring noise, characteristics of observed mixer feeder wagons and graphical representation of measured values. The conclusion of this thesis deals with comparison of the measured values and evaluation of this issue.
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Noise level at the operator tractors and their surroundings
 PULKRAB, Miroslav
This thesis is focused on the tractors noisiness in place and operating of their vicinity. Observations were collected on free common used tractors in the selected farm. First part of this thesis describes impact of noisiness on the health of the operator. Following part includes technical specifications of each tractors and measuring of noisiness levels. This data are processed into graphs. Next part contains calculations of equivalent sound pressure levels. On the end you can see results of the evaluation and comparison of observed values on observed tractors.
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