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Приказ резултата 31-40 од 65
Informacioni sistem za praćenje kvaliteta vode u akumulacijama / Information System for Water Quality Management
(Jugoslovensko društvo za zaštitu vodaDruštvo za zaštitu voda Srbije, 1997)
Kvalitet vode neophodno je pratiti u svim akumulacijama, a u slučaju akumulacija koje služe za snabdevanje vodom naselja, posebno je značajno. Da bi podaci o kvalitetu vode, tj. o koncentracijama određenih parametara bili ...
Modeliranje kvaliteta vode u jezerima i akumulacijama / Mathematical Modelling of Water Quality in Lakes and Reservoirs
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, 1994)
U radu je obrađena problematika matematičkog modeliranja ekoloških procesa u jezerima i akumulacijama. Prikazani su principi matematičkog modeliranja najbitnijih fizičkih, hemijskih i bioloških procesa koji utiču na kvalitet ...
Resonantly enhanced bound-continuum intersubband second harmonic generation in optimized asymmetric semiconductor quantum wells
(Physica E: Low-dimensional Systems and Nanostructures, 1999)
A systematic procedure applied to a step-asymmetric quantum well in order to maximize intersubband bound–continuum second-order susceptibility is described. The possibility is explored of obtaining resonantly enhanced ...
Bound-continuum intersubband transition based optical nonlinearities in semiconductor quantum wells
(Solid State Phenomena, 1998)
The possibility is explored of obtaining resonantly enhanced nonlinear optical susceptibilities in semiconductor quantum wells with two bound states and the resonant state in continuum as the third state. This would ...
Intersubband resonant third harmonic generation in asymmetric semiconductor quantum wells
(Solid State Phenomena, 1998)
Possibilities for the systematic optimization of step-graded ternary alloys based quantum wells, in respect to third order nonlinear susceptibility ar resonance, are discussed. The use of this method is exemplified on the ...
Continuum electron wavefunction shifts in semiconductor quantum dot
(Solid State Phenomena, 1998)
In this paper, the mathematical model for electron wavefunction shifts in the continuum part of the electronic spectrum of a GaAs-Al0.3Ga0.7As based semiconductor quantum dot (QD) is presented. The electron states in the ...
The self-consistent calculation of discrete and continuous states in spherical semiconductor quantum dots
(Physical Review B, 1997)
A self-consistent procedure for calculating the energy structure, wave functions, and charge distribution in spherically symmetric semiconductor quantum dots is presented that takes account of both bound and free-electron ...
Preisach Model for Cyclic Bending of Elastoplastic Beams
(Elsevier, 1996)
In the present paper, the Preisach model, already successfully implemented for the problem of axially loaded members, has been extended to the cyclic bending of elasto-plastic beams. Starting from Hooke's and St. Venant's ...
Primena neuro-fazi metodologije u vodoprivredi / An Application of Neuro-Fuzzy Methodology in Water Resources Management
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, 1997)
U radu je izložena osnovna koncepcija dve nove metodologije za tretiranje neizvesnosti: teorije rasplinutih (fuzzy) skupova i neuralnih mreža. Razmatrene su mogućnosti primene ovih metodologija za rešavanje zadataka ...
Stanje napona i deformacija u elementima skretnice
(1990)
U uvodu istradivari ja izloženi su osnovni pojmovi o skretnica-
ma i osobenosti rada skretnica pod točkovima šinskog vozila i
usled temperaturnih promena.
Ispitivanje stabilnosti skretnice zavarene u dugi šinski trak
usled ...