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Energetic and environmental sustainability of sub-geothermal heat pump heating in Serbia
(Scibulcom Ltd, Sofia, 2012)
Feasibility of low enthalpy geothermal waters incorporation in Serbian energy source structure has been investigated. Energy potential of ground waters of modest temperature levels is usually neglected since they can not ...
Effect of bacterial seed inoculation on nitrogen dynamics, number of bacteria in soil under maize, and maize yield
(Scibulcom Ltd, Sofia, 2016)
The aim of this study was to determine the effects of the inoculation of maize seeds with mixtures of bacteria (Azotobacter chroococum, Azotobacter vinelandi, Bacillus megaterium, Bacillus licheniformis) during different ...
Energy potential of tobacco stalks in briquettes and pellets production
(Scibulcom Ltd., 2014)
Most of the recent studies, performed in order to estimate the potential value of biomass for energy production, were done on common biomass resources such as corn, wheat, sunflower, barley and oats. Although tobacco stalks ...
Channel morphology changes in the river Pestan, Serbia
(Scibulcom Ltd., 2016)
The formation of a river channel stream profile in natural conditions is a long process that lasts for hundreds of years. Research at experimental sections of streams is necessary to discover the initial phases of river ...
Diminishing herbicide stress in maize inbred lines by application of foliar fertiliser
(Scibulcom Ltd, Sofia, 2017)
Dominance of grass weeds in maize crop occurs due to a lack of selective herbicides for their control. With sulphonylurea herbicides this problem became under control, but a problem with selectivity was developed, particularly ...
Agriculture, energy and material for sustainability in the education process
(Scibulcom Ltd, Sofia, 2018)
It is widely understood that agricultural production is based on the exploitation of natural, primarily biological, chemical and physical resources. Thus, the soil (lithosphere) represents the physical source, i.e. the ...
Content and weekly intake of essential and toxic elements in Serbian vegetables
(Scibulcom Ltd., 2017)
Food quality and safety are a major concern of the modern world. The contents of twelve elements were determined in selected vegetable species taken at the city green market using ICP-OES analysis. To assess the safety of ...
Environmental issues of modern production technologies
(Scibulcom Ltd., 2017)
The problem of cutting difficult-to-machine materials used in the aerospace industry, aircraft industry and automobile industry, led to the development and application of today the most attractive technology for contour ...