Претраживање
Приказ резултата 1-10 од 83
Influence of voltage quality on energy efficiency of induction motors in agriculture / Uticaj kvaliteta napona na energetsku efikasnost asinhronih motora u poljoprivredi
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Voltage quality of power supply for three-phased induction motors is defined with value of voltage, voltage asymmetry and harmonic distortion of voltage. In this paper, an influence of voltage quality on energy efficiency ...
The influence of exploitation conditions of tractor to their reliability and lifetime / Uticaj uslova eksploatacije traktora na njegovu pouzdanost i radni vek
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
The influence of operational conditions on the reliability and tractor Massey- Ferguson 8160 service life is analyzed in the work. Experimental data have been provided by acquiring the operational parameters, malfunction ...
Possibilities for improvement of ventilation systems efficiency in pig farm farowing room and nursery / Mogućnosti poboljšanja efekata rada ventilacionog sistema u odeljenjima prasilište i odgajalište na farmi svinja 'Farkaždin'
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
Analysis of ventilation systems efficiency in farrowing room and nursery is presented in this paper. Those rooms are selected because of the most sensitive categories in pig production cycle. From this reason, these farm ...
Economic effects of the application of new types of machines and tools for the arrangement of soil's surface and depth in wheat production / Ekonomski efekti primene mašina i oruđa za uređenje zemljišta po površini i dubini u proizvodnji pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
In market conditions of business operations the main criterion of successful agricultural production is achieved economic results. However, the question of preservation and rational use of natural resources, especially ...
Effects of irrigation on yield and composition of principal elements of nutrients in maize-growing soil / Uticaj navodnjavanja na prinos i sadržaj glavnih elemenata ishrane u zemljištu pod kukuruzom
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Extensive organic production under irrigation conditions requires greater amounts of NPK fertilisers. Furthermore, the mobility of fertilisers, especially of nitrogen, is greater under the increased soil moisture content, ...
SOLAR: A software tool for meteorological data processing / SOLAR - softver za filtriranje, obradu i vizuelizaciju prikupljenih meteoroloških podataka
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2014)
The current standards for solar components and systems testing (SRB, EN, ISO, DIN, etc.) imply the determination of the system relevant parameters at the monitored locality. In this regard, it is necessary to prepare all ...
Effects of mechanized method of liquid fertilizer application in corn production / Efekti mehanizovanog načina aplikacije tečnog startnog đubriva u proizvodnji kukuruza
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Conventional corn production assumes usage of standard inorganic fertilizers which can be added to the soil by different methods. Unlike conventional production, this research was conducted with assumption that by using ...
Energy efficiency of the lettuce greenhouse production / Energetski bilans proizvodnje salate u objektima zaštićenog prostora različite konstrukcije
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated for different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse ...
Justification for the introduction of mechanized harvesting raspberry in Serbia / Opravdanost uvođenja mehanizovane berbe maline u Srbiji
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2011)
The collection of fruit for its specifics in many ways different from harvesting other agricultural crops. When harvesting berries where the ramified bushes (dissipating the picking), small fruits, the need to harvest done ...
Heavy caterpillar tractors and working machines with alternative power / Alternativni pogon kod teških traktora guseničara i radnih mašina
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2011)
In this The development of electrically powered caterpillar CAT D7E began at the end of the 20th century (Caterpillar Inc, Illinois, U.S.A), a machine that has paved the way for design and development of heavy caterpillar ...