National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Economic analysis of energy use of mobile devices in the selected farm with cattle
STEJSKAL, Jiří
This thesis deals with the assessment of operational and economic indicators in mobile energy resources for selected farm with cattle. It was mainly the cost of repairs and maintenance. To determine the costs of feeding the car was needed to develop a time frame. The farm is located machines: loader Schaff 5850, Storti wagon and tractor Zetor 7211
Comparsion of the decisive operational and economical indicators in chosen group of tractors of the upper power class.
JÍCHA, Marcel
This work is focused on comparsion of the decisive operational and economical indicators in chosen group of tractors of the upper power class. Progress of the repair and maintainance costs in dependence on the year operational time is watched here. As a source data for analysis of the operational and maintainance cosi were used informations from actuarial documents. This data were processed by statistical methods called dispersion, standart deviation, correlation and regression.

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