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Numeric analysis of tension condition of pressure vessel for the storage of beer / Numerička analiza naponskog stanja posude pod pritiskom za skladištenje piva
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Pressure vessels during the usage are exposed under very bad working conditions which make very high tension. In this work the calculation of all the elements of vertical cylindrical pressure vessel for the storage of beer ...
Possibility of triticale degradation using ultrasound / Mogućnost primene ultrazvuka za razgradnju tritikalea
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2009)
Influence of ultrasound on triticale was investigated. Triticale is a cereal characterized with high yields per hectare and its ability to grow on marginal lands. It's most frequently used as animal feed supplement or in ...
Through thickness optimal design of glass-epoxy composite pressure vessel / Optimizacija strukture laminarnog kompozitnog materijala po debljini zida posude pod pritiskom
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Mechanical loading of pressure vessels mainly comes from pressure (inner and outer) under which is vessel subjected. Tension which appears changes according to the thickness of the wall. Thanks to the its specific structure, ...
Analytical model for the determination of bending properties of glass-epoxy composites / Primena analitičkog modela za određivanje savojnih svojstava staklo-epoksi kompozitnog materijala
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Mechanical properties of composite materials are conditioned by their structure and depend from the characteristic of structural components. In this paper the analytical model has been shown with which the bending properties ...
Waste management in Serbia / Upravljanje otpadom u Srbiji
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
Serbia is facing a tremendous challenge with respect of development of appropriate waste management infrastructure to modern European standards. The priorities are: Stop dumping - Increase collection coverage - Move to ...
Phase-field modeling of dynamics of immobilized yeast cell growth in Ca-alginate microbead / Fazno modelovanje dinamike rasta imobilisanih ćelija kvasca u Ca-alginatnim nosačima
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
A phase-field model was formulated to describe yeast cell growth within the Ca-alginate microbead during air-lift bioreactor cultivation. Model development was based on experimentally obtained data for intra-bead yeast ...
Analysis of different factors effects on emissions of hydrocarbons from petroleum storage tanks / Analiza uticaja različitih faktora na emisiju ugljovodonika iz skladišnih rezervoara
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
Oil refineries and petrochemical industry plants are comprised of a series of complex processes which vary according to processing design, the technology which is utilized, and a number of other factors. Crude oil can be ...
Amtimicrobial activity of essential oil of Melissa officinalis L., Lamiaceae / Antimikrobna aktivnost etarskog ulja Melissa officinalis L., Lamiaceae
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
The antimicrobial activity of the essential oil of Melissa officinal is was investigated in this paper. The essential oil was obtained by the principle of water and steam and analyzed by GC and GC-MS using FID and MSD. The ...
Microwaves in organic chemistry and organic chemical technology / Primena mikrotalasne tehnike u organskoj hemiji i organskoj hemijskoj tehnologiji
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2005)
The usual way of applying heat to a chemical reaction is the use of a Bunsen burner, an oil or some other type of bath, or an electric heater. In inorganic chemistry, microwave technology has been used since the late 1970s, ...
New functionalities in cellulosic fibers developed by chemical modification / Celulozna vlakna novih funkcionalnih svojstava dobijanja hemijskim modifikovanjem
(Univerzitet u Nišu - Tehnološki fakultet, Leskovac, 2007)
This paper gives an overview of the current state in the field of cellulosic fibers functionalization by chemical modification. Emphasis is placed on the selective (periodate and TEMPO oxidation) and non-selective (permanganate ...