Articole din publicaţii internaţionale: Recent submissions

Now showing items 581-600 of 3232

Comparison of Thermal Annealing versus Hydrothermal Treatment Effects on the Detection Performances of ZnO Nanowires

LUPAN, Oleg; MAGARIU, Nicolae; KHALEDIALIDUSTI, Rasoul; MISHRA, Abhishek Kumar; HANSEN, Sandra; KRÜGER, Helge; POSTICA, Vasile; HEINRICH, Helge; VIANA, Bruno; ONO, Luis Katsuya; CUENYA, Beatriz Roldan; CHOW, Lee; ADELUNG, Rainer; PAUPORTÉ, Thierry (American Chemical Society, 2021)

A comparative investigation of the post-electroplating treatment influence on the gas detecting performances of single ZnO nanorod/nanowire (NR/NW), as grown by electrochemical deposition (ECD) and integrated into nanosensor ...
Nanoindentation of ZnSnO/Si thin films prepared by aerosol spray pyrolysis

MORARI, V.; PYRTSAC, C.; CURMEI, N.; GRABCO, D.; RUSU, E. V.; URSACHI, V. V.; TIGINYANU, I. M. (Publishing House of the Romanian Academy, 2021)

Thin ZnSnO films with different thickness deposited on Si substrates by aerosol spray pyrolysis were investigated by scanning electron microscopy (SEM), energy dispersive X-ray analysis (EDX), X-ray diffraction (XRD), ...
Electronic transitions and energy band structure of CuGaxAl1-xSe2 crystals

MAȘNIK, A.; ZALAMAI, V.; URSAKI, V. (Elsevier, 2021)

Optical reflectance spectra have been investigated at photon energies higher than the band gap of CuGaxAl1-xSe solid solutions with x values varying from 0 to 1. The spectral dependence of the real ε1 and imaginary ε2 ...
Injection photodiode based on an Al–p-Si–n-Zn85Mg15O–n-Zn65Mg35O–Ag structure

MORARI, V.; RUSU, E. V.; POSTOLACHE, V.; URSAKI, V. V.; TIGINYANU, I. M.; ROGACHEV, A. V.; SEMCHENKO, A. V. (Publishing House of the Romanian Academy, 2021)

A series of Zn1−xMgxO thin films with the composition range x = 0.00–0.60 has been prepared by aerosol spray pyrolysis deposition on Si or quartz substrates. The morphology, composition, crystals structure, and optical ...
Feedback Sensitivity of Detuned DBR Semiconductor Lasers

TRONCIU, Vasile; WERNER, Nils; WENZEL, Hans; WÜNSCHE, Hans-Jürgen (IEEE, 2021)

A distributed Bragg reflector (DBR) laser represents a simple realization of a semiconductor laser operating in a single longitudinal mode. We present a so far missing theoretical study how its reflection tolerance depends ...
Erbium upconversion luminescence from sol–gel derived multilayer porous inorganic perovskite film

RUDENKO, M. V.; GAPONENKO, N. V.; CHUBENKO, E. B.; LASHKOVSKAYA, E. I.; SHUSTSIKAVA, K. V.; RADYUSH, Yu. V.; ZHIVULKO, V. D.; MUDRYI, A. V.; WANG, M.; MONAICO, E. V.; STEPIKHOVA, M. V.; YABLONSKIY, A. N. (World Scientific Publishing, 2021)

Erbium-doped barium titanate (BaTiO3:Er) xerogel film with a thickness of about 500 nm was formed on the porous strontium titanate (SrTiO3) xerogel film on Si substrate after annealing at 800∘C or 900∘C. The elaborated ...
Pressure-induced band anticrossing in two adamantine ordered-vacancy compounds: CdGa2S4 and HgGa2S4

LIANG, A.; SHI, L. T.; GALLEGO-PARRA, S.; GOMIS, O.; ERRANDONEA, D.; TIGINYANU, I. M.; URSAKI, V. V.; MANJÓN, F. J. (Elsevier, 2021)

This paper reports a joint experimental and theoretical study of the electronic band structure of two ordered-vacancy compounds with defect-chalcopyrite structure: CdGa2S4 and HgGa2S4. High-pressure optical-absorption ...
Utilizarea QR-codurilor în materialele didactice ale cursului "Grafica inginerească"

DÎNTU, Sergiu; BOTEZ, Alexei; ȘULETEA, Angela (Universitatea de Stat din Tiraspol, 2022)

Necesitatea trecerii obiectului grafica inginerească la studii on-line și posibilitățile oferite de către instrumentele IT au contribuit la crearea materialelor de studiu ce combină manualele tradiționale cu resurse din ...
The use of CPC theory for energy description of two nonlinear receivers

ZAJKOWSKI, Konrad; RUSICA, Ivan; PALKOVA, Zuzana (EDP Sciences, 2018)

The article concerns a mathematical description of electric power in the case of two nonlinear receivers connected to a common supply network. This description was made on the basis of the fundamental CPC (Currents' Physical ...
Analyses of the method development of decisions in an expert system with the use of information from an artificial neural network

DUER, Stanisław; ZAJKOWSKI, Konrad; SCATICAILOV, Serghei; WRZESIEŃ, Paweł (EDP Sciences, 2018)

The present article covers the use of an artificial intelligence system in the organization of the prevention of technical objects. For this purpose, the composition of this system including an intelligent diagnostic system ...
Taking decisions in the diagnostic intelligent systems on the basis information from an artificial neural network

DUER, Stanisław; SCATICAILOV, Serghei; PAŚ, Jacek; DUER, Radosław; BERNATOWICZ, Dariusz (EDP Sciences, 2018)

This paper presents a method to control an operation process of a complex technical object, with the use of trivalent diagnostic information. Also, a general diagram of the complex technical object was presented, and its ...
Solution to optimize the NC programs for milling machining applications

BUT, Adrian; BOTNARI, Vlad (EDP Sciences, 2018)

The paper present solutions to optimize the NC program. Using the original NC program, keep the technology with the same cutting tools, the results give us less time of manufacturing with more protection to collisions. The ...
Design optimization of the satellite in precessional transmission

LEALIN, Stanislav (EDP Sciences, 2018)

One of the important tasks in the design of gears and gearboxes based on them is to increase the load capacity, durability and noise reduction with moderate requirements for manufacturing precision by providing elastic ...
Combined Systems for Generating Electrical and Thermal Energy from Renewable Sources, with Storage of it through Conversion to other Energy Forms, for use in Isolated Places

CRISTESCU, C.; DUMITRESCU, C.; DULGHERU, V.; DUMITRESCU, L.; POPESCU, A. M. (STEF92 Technology, 2017)

Starting from the great potential of renewable resources existing in Romania, in order to harness and use these renewable resources, the current paper presents some research conducted at the Institute INOE 2000-IHP aiming ...
Study of Edible Spontaneous Herbs in the Republic of Moldova for Ensuring a Sustainable Food System

SIMINIUC, Rodica; ȚURCANU, Dinu (Scientific Research Publishing, 2021)

Recent studies have shown that food systems fail to provide a healthy diet and are unfair and ecologically unsustainable. Sustainable food production will require multidisciplinary approaches, in which human, animal, and ...
Quality Assessment of Honey in Three Different Geographical Areas from Republic of Moldova

CHIRSANOVA, Aurica; CAPCANARI, Tatiana; BOISTEAN, Alina (Scientific Research Publishing, 2021)

One of the empirical and image products of the Republic of Moldova is bee honey. Its assortment is due to the variety of landforms, as well as the diversity of flora specific to geographical regions. During the Covid-19 ...
The Impact of the COVID-19 Pandemic on the Use of Digital Technologies in Ensuring the Efficient e-Learning Process at the Technical University of Moldova

ȚURCANU, Dinu; SIMINIUC, Rodica; BOSTAN, Viorel (Scientific Research Publishing, 2020)

The Technical University of Moldova (TUM) is the only state-accredited technical higher education institution in the Republic of Moldova. In the face of the magnitude of the health crisis, TUM had to quickly adapt its mode ...
Eating Behavior of Students at the Technical University of Moldova during the Isolation Period

SIMINIUC, Rodica; COVALIOV, Eugenia; ȚURCANU, Dinu; POJAR, Daniela; REȘITCA, Vladislav; CHIRSANOVA, Aurica; CAPCANARI, Tatiana (Scientific Research Publishing, 2022)

Appetizing peculiarities are formed from childhood and can vary throughout life. Although they are conditioned by genetic factors, over time, the internal regulation of eating behaviors is reduced, being influenced by a ...
Design & Development of a Cyber Security Conceptual Framework for Higher Education Institutions in the Republic of Moldova

ALEXEI, Arina (Scientific Cyber Security Association (SCSA), 2022)

This scientific paper reflects the results of research, which aimed to develop a Cyber Security Conceptual Framework for Higher Education Institutions in the Republic of Moldova, to increase cyber security in academic e ...
Cyber Security Threat Analysis In Higher Education Institutions As A Result Of Distance Learning

ALEXEI, Arina; ALEXEI, Anatolie (International Journal of Scientific & Technology Research, 2021)

The Covid 19 pandemic had a major impact on the organization of studies in higher education institutions (HEIs). Distance learning was the only possibility to continue the educational process, since March 2020. Cloud ...

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