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Приказ резултата 21-30 од 220
Subtle inconsistencies in the straightforward definition of the logarithmic function of annihilation and creation operators and a way to avoid them
(Journal of Physics A-Mathematical and Theoretical, 2009)
Using the resolution of identity spanned by coherent states of the harmonic oscillator, any entire function of the creation and the annihilation operators and its action on a vector in Hilbert space can be defined directly ...
Examples of performance improvement of concrete and mortar by means of fiber reinforcement / Primeri poboljšanja performansi betona i maltera putem mikroarmiranja
(Univerzitet u Novom Sadu - Građevinski fakultet, Subotica, 2005)
The basic properties of fiber reinforced composites (concrete and mortar) are presented in this paper. Based on their own experimental testing results, the authors analyze the examples of performance improvement of fiber ...
Properties of cement based composite made with expanded polystyrene grains and polypropylene fibers / Svojstva kompozita na bazi cementa spravljenih sa polipropilenskim vlaknima i granulama ekspandiranog polistirena
(Savez hemijskih inženjera, Beograd, 2000)
This paper deals with the results of experimental research of mortar mixes -composite materials made with Portland cement, expanded polystyrene grains (EPS) and polypropylene fibers. In some series of mortar specimens, ...
Drainage of bridge decks in urban environment / Odvodnjavanje mostova u urbanim sredinama
(Savez građevinskih inženjera Srbije, Beograd, 2009)
Storm water drainage from buildings, motorways, airports or bridges is a complex task for design engineers. Bridge design deals not only with structural aspects, but with driving safety during heavy rainfall as well. To ...
Real Estate Cadastre Development in Serbia
(Geodetski list, 2009)
This paper provides an overview development and the real estate cadastre maintenance in the Republic of Serbia. The State has recognized that an effective national property rights system is prerequisite for economic growth ...
Mode Analysis of the Optical and the Microwave Waveguides Using Electromagnetic Energy Flow Lines
(Acta Physica Polonica A, 2009)
To better elucidate the essential energy transmission Mechanism in the most common, typical waveguides, the electromagnetic energy flow lines for a planar optical slab waveguide and a microwave rectangular waveguide are ...
Projektovanje i upravljanje sistemima za kanalisanje kišnih voda u gradovima
(Udruženje za tehnologiju vode i sanitarno inžinjerstvo, Beograd, 2000)
U radu je ukratko prikazan sadržaj radova koji su potrebni za uspostavljanje koncepta za sistematsko upravljanje kišnim oticanjem u gradskim uslovima. Posebno je naglašeno da u Jugoslaviji ne postoji ni polazna osnova za ...
Efficiency of oil removal from real wastewater with different sorbent materials
(Journal of Hazardous Materials, 2007)
The aim of this paper was to investigate the efficiency of different sorbent materials for oil removal from wastewater. Two types of sorbents were investigated: organic (loose natural wool fibers (NWF) and recycled wool ...
Polyurethane foam acoustic insulation / Akustička izolacija na bazi poliuretanskih pena
(Udruženje inženjera građevinarstva, geotehnike, arhitekture i urbanista "Izgradnja", Beograd, 2009)
Polyurethane based products are often used in civil engineering. Apart to regular use of this material in thermal insulation purposes, polyurethane is widely used in field of acoustic insulation. Usage of modern ...
Structural monitoring of rebuilt telecommunication tower 'Avala' / Konstrukcijski monitoring obnovljenog telekomunikacionog tornja 'Avala'
(Udruženje inženjera građevinarstva, geotehnike, arhitekture i urbanista "Izgradnja", Beograd, 2009)
Paper presents application of long-term Structural Health Monitoring - SHM of the rebuilt TV tower 'Avala'. According the actual trends for improvement of maintenance serviceability, safety and durability, on this structure ...