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Browsing Conferinţa "Microelectronics and Computer Science" by Title

Browsing Conferinţa "Microelectronics and Computer Science" by Title

Now showing items 1-20 of 766

3D studies of orobanche cumana seeds by digital holographic microscopy

DUCA, Maria; PEDRINI, Giancarlo; CLAUS, Daniel; ABASKIN, Vladimir; ACHIMOVA, Elena; GLIJIN, Aliona; ACCIU, Adriana (Tehnica UTM, 2014)

Combining microscopy and digital holography (DH) offers the unique advantage of simultaneously capturing complete 3D information about the specimen, and under coherent illumination it has been investigated for continuous ...
Abordări în dezvoltarea sistemelor ”întrebare – răspuns”

CARCEA, Liviu (Technical University of Moldova, 2011)

Acest articol este o încercare de analiză a abordărilor ale sistemelor ”întrebare-răspuns”(SIR). În ultimii ani se observă un interes deosebit pentru sistemele “întrebare-răspuns”, care a condus la o schimbare calitativă ...
About possible methodology of information systems modeling using graph logic language

ORLOVSKI, Ian (Technical University of Moldova, 2011)

In the article will be examined variant of application graph logic language for modelling information systems. With this purpose after comparison of some existing methodologies will be proposed ways for language use, ...
About the green band nature in the PL spectra of ZnS:Al crystals annealed in Bi and Pb based melts

SUSHKEVICH, Konstantin; SOBOLEVSKAYA, Raisa; KOROTKOV, Vitalii; BRUK, Leonid; KETRUSH, Peter (Technical University of Moldova, 2005)

The photoluminescence at 77K of ZnS and ZnS:Al single crystals annealed in the Pb, Pb+0,2wt% PbCl2, and Bi+1,5•10-3wt% Al melts was investigated. It is shown that during the annealing process in the near the surface region ...
About the properties of the heterostructure based on the nano scale layers (In2O3 + 5%Sn) - p – Si at the change of the gas environment

IL’CHENKO, V. V.; YUSHCHENKO, A. V.; GUL, R. V.; IL’CHENKO, L. G. (Technical University of Moldova, 2005)

In this work the properties of the heterostructure (In2O3+5%Sn ) -p-Si with the mass thickness of the nano scale layer about 18 nm at the change of the gas environment from the laboratory atmosphere to the saturated vapor ...
Absorption and Emission Spectra of Ga0.017Ge0.25As0.083S0.65 Glasses Doped with Dy3+

LUPAN, Elena; CIORNEA, Viorel; IOVU, Mihail (Technical University of Moldova, 2009)

The absorption spectra in the visible and near IR regions for Ga0.017Ge0.25As0.083S0.65 are investigated. The visible luminescence from Dy3+, and co-doped with Ho3+ and Dy3+ ions embedded in Ga0.017Ge0.25As0.083S0.65 glass ...
Absorption and Luminescence Spectra of Ga-based Chalcogenide Glasses

LUPAN, E.V.; IOVU, M.S. (Technical University of Moldova, 2017)

Excellent optical properties of chalcogenide glasses make them interesting for optoelectronic devices in the visible (VIS) and, especially, in the near (NIR)- and mid-infrared (MIR) spectral regions. Special interest ...
Accuracy increase in determination composite number by probabilistic primality tests

AGAFONOV, A.; BALABANOV, A. (Technical University of Moldova, 2005)

Accuracy increasing problem became important after there were found so-called numbers of Carmichael, and it became evident that the simplest primality test based on Fermat’s Little Theorem failed. Since then, many tests ...
Acordarea Regulatoarelor în Sisteme de Reglare în Cascadă cu Trei Contururi cu Inerţie

COJUHARI, Irina (Technical University of Moldova, 2009)

A tuning algorithm of linear controllers P, PI, PID in multiple-loop feedback control systems is proposed in this paper. The control objects consist of three subprocesses, which are described by dynamical models with inertia ...
Acordarea regulatoarelor la model de obiect cu inerţie de ordinul unu

IZVOREANU, Bartolomeu; MORARU, Dumitru; COJUHARI, Irina; FIODOROV, Ion (Tehnica UTM, 2014)

În lucrare se propune un algoritm iterativ de acordare a regulatoarelor tipizate P, PI şi PID la modelul obiectului cu inerţie de ordinul unu. Algoritmul propus de acordare a parametrilor regulatoarelor P, PI, PID utilizează ...
Acordarea regulatoarelor la modele echivalente de obiecte cu elemente identice în conexiune paralelă

IZVOREANU, Bartolomeu; MORARU, Dumitru; COJUHARI, Irina (Tehnica UTM, 2014)

În lucrare se propune un algoritm iterativ de acordare a regulatoarelor tipizate PI şi PID la modele echivalente de obiecte cu elemente identice cu inerţie de ordinul unu în conexiune paralelă. Algoritmul propus de acordare ...
Acoustic properties of cylindrical nanowires with the elastically dissimilar barriers

NIKA, Denis L.; POKATILOV, Evgenii P.; BALANDIN, Alexander A. (Technical University of Moldova, 2005)

We have theoretically investigated the effect of the coating made of the elastically dissimilar material on the acoustic phonon properties of semiconductor nanowires. It is shown that the acoustic impedance mismatch at the ...
Acoustical properties of rectangular quantum heterowires with clamped outer surfaces

ZINCENCO, Nadejda D.; NIKA, Denis L.; Al-SABAYLEH, Moayad (Technical University of Moldova, 2005)

We had been theoretically studied the acoustic phonon spectra and group velocities of the phonons in the rectangular GaN nanowire with clamped outer surfaces, covered with elastically dissimilar barriers. The elastic ...
Adaptive watermarking – two ways to define it

RADULESCU, Monica; IONESCU, Felicia; STOICA, Cristina; STOICA, Valentin (Technical University of Moldova, 2005)

Digital watermarking has been proposed as a solution to the problem of copyright protection of multimedia data in a networked environment. It makes possible to tightly associate to a digital document a code allowing the ...
Advanced econophysical analysis for optimization of transition to sustainable energy development - elaboration of the main components

BOŞNEAGA, Iurie; BOLOGA, Mircea (Technical University of Moldova, 2017)

Energy governs the world - our development is governed by energy transformations. That is why it is vital to have the adequate Strategy of Sustainable Energy Development and the roadmap for its implementation. The subject ...
Advanced Light-Emissive Device Structures

PYSHKIN, Sergei L. (Technical University of Moldova, 2017)

Here is discussed the development of advanced and resource-saving method for fabrication of semiconductor materials having unique and close to ideal properties for optoelectronic devices. This work could lead to significant ...
The advantages of the digital radio diagnostic devices implementation in m. Chisinau (Republic of Moldova) in 2009-2011 (first quarter)

ROSCA, Andrei; DÂNGA, Veaceslav; BAHNAREL, Ion; COREŢCHI, Liubov (Technical University of Moldova, 2011)

Currently, in the medical-sanitary public institutions (MSPI) of the Republic Moldova, the weight of the traditional radio diagnosis of the devices, morally and physically overstep consist 90 – 91, 5%, inclusively their ...
AFM Tapping Mode Phase-Imaging of Carbon Nanotubes

KOCH, Thomas (Technical University of Moldova, 2005)

In the meantime AFM-imaging of carbon nanotubes has become a usual tool to get detailed information about the samples. This work introduces some new aspects in Tapping Mode Phase Imaging that may support the proper ...
The Aharonov-Bohm effect in self-assembled InGaAs/GaAs quantum rings

FOMIN, V. M.; GLADILIN, V. N.; DEVREESE, J. T.; OFFERMANS, P.; KLEEMANS, N.; KOENRAAD, P. M.; WOLTER, J. H.; GRANADOS, D.; GARCÍA, J. M. (Technical University of Moldova, 2005)

Based on the structural information obtained from X-STM measurements, we calculate the electron energy spectra in quantum rings (QR)s and the electron orbital magnetization as a function of the applied magnetic field. Shape ...
An algorithm for synthesizing a logic database schema

COTELEA, Vitalie (Technical University of Moldova, 2005)

An improved algorithm for synthesizing a database schema is considered. The schema that results from this procedure is proved to be in Codd’s third normal form and to possess losslessjoin property. It produces result even ...

Now showing items 1-20 of 766

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