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Browsing 2022 by Issue Date

Browsing 2022 by Issue Date

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  • Theoretical contributions on the selection of possible tribological couples of materials for the manufacture of precessional transmissions 
    BOSTAN, Ion; STOICEV, Petru; BUGA, Alexandru; POSTARU, Gheorghe; TRIFAN, Nicolae; PLATON, Andrei (Technical University of Moldova, 2022)
    Selecting gear materials is a great challenge for engineers. Gear teeth are subject to difficult and severe loading conditions. Simultaneous action of alternating normal and tangential dynamic stresses occurs, contact ...
  • Systems for invariant target recognition based on central image chord transformation 
    PERJU, Veaceslav (Technical University of Moldova, 2022)
    Target recognition (TR) is widely used in different military and civil applications and permits enhanced intelligence and autonomously operating platforms design. The article describes existing systems for TR such as deep ...
  • Driver or autopilot – who is the future 
    PLĂMĂDEALĂ, Vasile; DÎNTU, Sergiu (Technical University of Moldova, 2022)
    The human factor is the main element in the production of road events, not only in terms of percentage, but also in absolute importance, because, ultimately, road and technical issues are involved in road accidents only ...
  • Engineering of semiconductor compounds via electrochemical technologies for nano-microelectronic applications 
    MONAICO, Eduard (Technical University of Moldova, 2022)
    The paper is focused on electrochemical approaches for nanostructuring of semiconductor compounds with further applications in nano - microelectronic devices. A cost-effective technology for nanowires and nanotubes obtaining ...
  • Generation of high amplitudes pulses with excitable DFB lasers and an integrated dispersive reflector 
    ANDRONIC, Silvia; GRIGORIEV, Eugeniu; TRONCIU, Vasile (Technical University of Moldova, 2022)
    This paper is devoted to investigation of pulse generation by a distributed feedback (DFB) laser with an integrated passive dispersive reflector. This configuration is treated in the framework of the simple rate equation ...
  • The transition to a hydrogen economy 
    BĂJENESCU, Titu-Marius I. (Technical University of Moldova, 2022)
    The article examines the problem of the hydrogen market - from production to how to use it, as well as the prospects for the development of these energy sources. To combat climate change, more and more countries are investing ...
  • Biomass pretreatment as a key process in bioethanol productions: a review 
    OYEGOKE, Toyese; TONGSHUWAR, Geoffrey T.; OGUCHE, John E. (Technical University of Moldova, 2022)
    Solid wastes like lignocellulosic materials have proven to be of immense benefit to the production of bioethanol and have given a headway towards the deviation from the traditional use of fossil fuel which is has been a ...
  • Possibility and necessity of tartaric acid production in the Republic of Moldova 
    REŞITCA, Vladislav; BALANUTĂ, Anatol; SCUTARU, Iurie; COVACI, Ecaterina; SCLIFOS, Aliona; PATRAȘ, Antoanela; BORTA, Ana-Maria (Technical University of Moldova, 2022)
    The wine industry has been and remains a source of natural- tartaric acid. The tartaric acid can be obtained from such wastes as grape marcs, yeast, vinasse and wine stone. But the use of these wastes was limited in the ...
  • Landslide protection of roadway network during the construction and reconstruction 
    POLCANOV, Vladimir; POLCANOVA, Alina; CÎRLAN, Alexandru (Technical University of Moldova, 2022)
    The article discusses an example of construction and operation of a high embankment of the road, which was constructed in the central part of Moldova. A detailed historic reference about the behavior of the embankment over ...
  • Regarding the characteristics of the wind in northern region districts of the Republic of Moldova 
    MANGOS, Octavian; RACHIER, Vasile; SOBOR, Ion; CAZAC, Vadim (Technical University of Moldova, 2022)
    The study is focused on three districts in the northern region of the Republic of Moldova - Briceni, Edinet and Ocnita. The maps were calculated and presented in terms of average annual wind speed and wind power density ...
  • Elaboration and application of graphical models to optimize the response time to emergency situations 
    PEANCOVSCHII, Serghei (Technical University of Moldova, 2022)
    This article presents methods for timing the key milestones and timing of the emergency response. A graphic model is proposed that allows you to determine the stage and time of the response process, regardless of the nature ...
  • Antimicrobial properties of sea buckthorn grown in the Republic of Moldova 
    SANDULACHI, Elisaveta; MACARI, Artur; COJOCARI, Daniela; BALAN, Greta; POPA, Sergiu; TURCULET, Nadejda; GHENDOV-MOSANU, Aliona; STURZA, Rodica (Technical University of Moldova, 2022)
    This study deals with the antibacterial activity of Sea buckthorn (SB) (Hippophae rhamnoides L.) grown in the Republic of Moldova. Eight sea buckthorn species were investigated: R1, R2, R4, R5, C6, AGG, AGA, Pomona, 2020 ...
  • Proof-of-stake consensus algorithms for the software components blockchain 
    GIEDRIMAS, Vaidas (Technical University of Moldova, 2022)
    In the blockchain context, the information system (IS) is considered a part of its infrastructure. However, blockchain itself can be used for IS development using software components and services. As the trust for binary ...
  • Ergonomic investigation and assessment of motorcyclists musculoskeletal disorders 
    MUSA-OLOKUTA, Adekunle I.; NWAOKOCHA, Collins; SHOTE, Adeola S.; AASA, Samson A. (Technical University of Moldova, 2022)
    Motorcycles have become a mean of transportation in our rural and urban area in Nigeria. This cross sectional study was conducted in Abeokuta Ogun State to assess the work-related musculoskeletal disorders (WRMSDs) among ...
  • 5G and 6G evolution 
    BĂJENESCU, Titu-Marius I. (Technical University of Moldova, 2022)
    The constant evolution in telecommunications is recognized both as a market driver and as a driver for R&D, since R&D activities are built to support consumer and business demands. The market pressures and recent past ...
  • Secure software development awareness: a case study of undergraduate developers 
    MUTANGA, Murimo Bethel (Technical University of Moldova, 2022)
    As ubiquitous computing becomes an increasingly inherent component of everyday life due to the rapid growth of communication technologies and globalization, threats against information systems have taken a more latent yet ...
  • Theoretical and experimental modelling of the tribological behaviour aspects of contact elements in the precessional gearing (PG) 
    BOSTAN, Ion; STOICEV, Petru; POȘTARU, Gheorghe; VACULENCO, Maxim; BUGA, Alexandru; KULEV, Mihail; POȘTARU, Andrei; PLATON, Andrei (Technical University of Moldova, 2022)
    This paper deals with the theoretical-experimental model of the tribological behavior of the contact elements in precessional gears (PG) in the functions of conjugate profiles of linear velocities "convex-concave" or ...
  • Modes of the booster transformer with regulation in zigzag 
    POSTORONCA, Sveatoslav; ZAITSEV, Dmitrii; TIRSU, Mihai; GOLUB, Irina; KALOSHIN, Danila (Technical University of Moldova, 2022)
    The development of power engineering assumes the increasing flexibility of power networks through the use of various kinds of FACTS, controlled by means of power electronics and being elements of the Smart Grid. These kinds ...
  • Integration of variable energy sources in energy systems 
    GUȚU-CHETRUȘCA, Corina; BRAGA, Dumitru (Technical University of Moldova, 2022)
    The main global concern in the energy sector is the substitution of fossil fuels and the mitigation of climate change - the transition to the carbon neutrality of the economy. For the power sector, the main solution for ...
  • The influence of a residual reflectivity at the front facet of a multisection master-oscillator power-amplifier 
    GRIGORIEV, Eugeniu; TRONCIU, Vasile; WERNER, Nils; WENZEL, Hans (Technical University of Moldova, 2022)
    This paper reports on the theoretical end experimental investigation of the output characteristics of a multisection master-oscillator power-amplifier (MOPA). It consists of a master oscillator (MO) composed by a gain ...

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