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Приказ резултата 11-20 од 270
Energetic and economical optimization of thermal and photovoltaic system of solar energy utilization in special hospital of the Rusanda spa / Energetska i ekonomska optimizacija sistema toplotnog i fotonaponskog korišćenja sunčeve energije u specijalnoj bolnici u Banji Rusandi
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd, 2007)
In this paper are presented the results of optimization of thermal and photovoltaic system of solar energy utilization aimed to reduce CO2 emission by energy efficient and cost-effective replacing fossil fuel and electricity ...
Deficit irrigation of sunflower under Mediterranean environmental conditions
(Bari : CIHEAM, 2007, 2007)
This work aims at: analyzing response of sunflower crop to several irrigation water regimes and evaluating the suitability of sunflower to deficit irrigation strategies. An open-field trial on hybrid Sanbro_MR was carried ...
Ublaživanje suše primenom navodnjavanja u proizvodnji kukuruza
(Srpsko društvo za odvodnjavanje i navodnjavanje, Akademija inženjerskih nauka Srbije, 2007)
Nizijske površine u Vojvodini, severnom delu Srbije, na kojima je koncentrisana biljna proizvodnja, su pod uticajem nestabilnih, nepredvidivih i promenljivih padavina tokom vegetacionog perioda, naročito od juna do avgusta. ...
Non-genetic source of variation for traits measured in performance test of Simmental bulls: (II) Body development traits / Negenetski izvori varijabilnosti direktno merenih osobina kod simentalskih bikova u performans testu - (II) osobine telesne razvijenosti
(Institut za stočarstvo, Beograd, 2007)
Data of 371 Simmental bulls tested at the A.I. Centre "Velika Plana" were analyzed in order to estimate year and month of birth, test-group, herd of origin and body weight effects on body measurements and body development ...
Microstructural evolution and electric properties of mechanically activated BaTiO3 ceramics
(Elsevier Sci Ltd, Oxford, 2007)
Ceramic materials with a perovskite related structures such as non-doped and doped barium titanate ceramics are attracting much interest for their application as capacitor dielectrics, resistors, thermal sensors, etc. Since ...
Investigation of Ca-alginate hydrogel rheological behaviour in conjunction with immobilized yeast cell growth dynamics
(Taylor & Francis Ltd, Abingdon, 2007)
The rheological model is developed to elucidate the mechanism of Ca-alginate microbead deformation in the course of cell growth within. It is a complex process influenced by relaxation of the expanded polymer network inside ...
Рационалне технологије гајења озиме пшенице
(Univerzitet u Istočnom Sarajevu Poljoprivredni fakultetInstitut za ekonomiku poljoprivrede, BeogradBalkanska asocijacija za životnu okolinu (B.E.N.A.), Grčka, 2007)
У раду је испитиван утицај нових технологија у гајењу озиме пшенице заснованих на концепту одрживе пољопривреде. Сматра се да ће у новом веку а и миленијуму, у оваквим системима у технологији гајења великог броја усева, ...
Psyllopsis fraxinicola Förster (Homoptera: Psyllidae): A new ash tree pest in Serbia / Psyllopsis fraxinicola Förster (Homoptera: Psyllidae) - nova štetočina jasena u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2007)
During investigation of jumping plant lice in Serbia, the presence of Psyllopsis fraxinicola was registered on different ash tree species (F. excelsior L., F. angustifolia Vahl.) in a few localities. Psyllopsis fraxinicola ...
Influence of exploitation characteristics of harvester "NB 2003" on chamomile harvesting quality
(Int Soc Horticultural Science, Leuven 1, 2007)
In this paper exploitation characteristics of universal mounted harvester "NB 2003" in chamomile harvesting were discussed, as well as possibility for improvement. This research is justified by the need for finding solutions ...
Улога генетике и селекције у решавању проблема суше
(Пољопривредни факултет Универзитета у Београду, 2007)
Drought is the major cause of historic and modern day agricultural productivity losses throughout the world. Drought stress is a complex phenomenon and so is drought tolerance. In addition to genetic conditioning of the ...