Претраживање
Приказ резултата 11-20 од 102
Cathodic protection of reinforced concrete structures in objects of water-supply and sewage systems / Katodna zaštita armirano-betonskih konstrukcija na objektima vodovoda i kanalizacije
(Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd, 2009)
Concrete is a widely used material in the construction industry. It is obtained by mixing cement as a binding agent and inert or only partly reactive aggregates as fillers. In order to increase its bearing power concerning ...
Defining of parameters for economical efficiency estimation of family dairy farms / Utvrđivanje parametara za ocenu ekonomske efikasnosti porodičnih farmi muznih krava
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Analysis of all significant parameters for the study of economical efficiency of investments in family farms is presented in this paper. The research included small family dairy farms of 50 dairy cows with the younger ...
Canal network effects on the water balance in southeastern Srem / Uticaj kanalske mreže na bilans voda jugoistočnog Srema
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
This paper presents the results of research and analyzes of the effects of a drainage canal network on the water balance of southeastern Srem. The paper was derived from a doctoral thesis which contains a detailed study ...
Groundwater types in Southeast Srem / Tipovi podzemnih voda jugoistočnog Srema
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
The region of Southeast Srem is rich in ground waters, which is of great significance to agricultural production. The objective of this paper was to designate the zones of different groundwater types from the aspect of ...
Differential calculation in function of planning structure production in agricultural enterprises / Diferencijalna kalkulacija u funkciji planiranja strukture proizvodnje u poljoprivrednom preduzeću
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Agricultural enterprises are facing today with numerous problems when they make differential calculations as well as in their practical application. The enterprises have to apply various agro-technical, organization, ...
Comparative analysis of the anatomy of two populations of red-root amaranth (Amaranthus retroflexus L.) / Uporedna analiza anatomske građe dve populacije štira (Amaranthus retroflexus L.)
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2009)
The anatomy of stems and leaves of two populations of the weed species Amaranthus retroflexus L. (red-root amaranth) (pop. AMARE1 having green stems covered in sparse hairs and pop. AMARE2 with green but notably dense stem ...
Some characteristics of groundwater in Southeast Srem / Neke karakteristike podzemnih voda u jugoistočnom Sremu
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
The area of Southeast Srem is rich in groundwater. Water regime of the first aquifer has a great significance from the standpoint of agricultural production. 32 piezometers were singled out and groundwater depth was measured ...
Natural isotopes 238U and 40K content in rigosol from the area of school estate good 'Radmilovac' of Faculty of Agriculture, Zemun / Sadržaj prirodnih izotopa 238U i 40K u rigosolu sa područja Oglednog školskog dobra 'Radmilovac', Poljoprivrednog fakulteta u Zemunu
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
Distribution of natural gamma-emitting radionuclides 238U and 40K were determined in the soil profiles from the peach-trees field on experimental farm Radmilovac, southeast Belgrade. Internal soil morphology has been changed ...
Maize susceptibility to interaction between sulfonylurea herbicides and soil applied insecticides / Osetljivost kukuruza na interakciju sulfonilurea herbicida i zemljišnih insekticida
(Herbološko društvo Srbije, 2009)
A field experiment was carried out to determine the presence of interaction between the insecticides terbufos, phorate, malathion + fenitrothion, carbofuran, and carbosulfan and the sulfonylurea herbicides primisulfuron-methyl, ...
RES integrated refurbishment of existing residential buildings to approach sustainable municipal energy system / Unapređenje energetske efikasnosti i integracija korišćenja OIE u postojećim stambenim objektima - put ka održivom sistemu komunalne energetike
(Savez mašinskih i elektrotehničkih inženjera i tehničara Srbije (SMEITS), Beograd, 2009)
This paper is addressing the technical advances in building's refurbishment introducing energy efficiency and RES -renewable energy sources. It has been shown hot BPS - Building Performance Simulation can be practically ...