Browsing Journal of Engineering Science by Title

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  • Temperature dependent gas sensing properties of tin-doped zinc oxide films 
    POSTICA, Vasile (Tehnica UTM, 2018)
    In this work, the temperature dependent gas sensing properties of tin-doped zinc oxide (ZnO:Sn) nanostructured films are investigated in detail. The two different contents of Sn in ZnO:Sn samples (0.1 and 0.4 at% Sn) and ...
  • Theoretic approaches to substantiate shelf life capacity of butter and spreads 
    BOCHAROVA-LESKINA, Anna; VERBYTSKYI, Sergii (Technical University of Moldova, 2019)
    The analysis of scientific information on the theoretical aspects and practical features of long-term freezing storage of butter and spreads is carried out. Means of mathematical modeling are substantiated, allowing ...
  • 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 ...
  • 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 ...
  • Thermal deformation waves in heterogeneous materials 
    ZHUKOVSKY, V.; GOKHMAN, A.; ZAVOLOKA, M.; GRYNYOVA, I. (Tehnica UTM, 2018)
    In the paper, a stress-strain detection method is used by correlation point interferometry, in which the resolution of the recording surface changes has been significantly (ten times) improved. This result was obtained by ...
  • Thin films of copper oxide nanostructured via rapid thermal processing 
    LUPAN, Cristian; CREȚU, Vasilii; MISHRA, Abhishek Kumar; MAGARIU, Nicolae; MANCIU, Nicolae; ABABII, Nicolai; MISHRA, Soni; RAILEAN, Serghei; ZIMOCH, Lukas; GALSTYAN, Vardan; HANSEN, Sandra; PAUPORTÉ, Thierry (Technical University of Moldova, 2022)
    Nanostructured copper oxide films were obtained by the method of chemical synthesis from solutions (SCS) and exposed to post-growth rapid thermal processing (RTP) in air at different temperatures to study the influence of ...
  • TiO2 nanotubes for photocatalytic degradation of methylene blue 
    CIOBANU, Vladimir; PLESCO, Irina (Technical University of Moldova, 2021)
    Titanium dioxide remains one of the most studied semiconductor for photocatalytic applications due to its low cost production, reduced toxicity, ability to break down the organic pollutants and possibility to achieve ...
  • Total favoring in proportional apportionments 
    BOLUN, Ion (Technical University of Moldova, 2021)
    The notion of “total favoring” of large or of small beneficiaries in proportional apportionments of entities is defined as a particular case of favoring. It is proven that the number of known conditions of total favoring ...
  • Trace tool usability assessment of energy efficiency measures for local energy autonomy promotion 
    ARION, Valentin; BOROSAN, Constantin (Tehnica UTM, 2020)
    This paper addresses the local communities’ engagement towards the energy autonomy by promoting energy efficiency and massive use of renewable energy sources. Based on software called Tool for Rapid Assessment of City ...
  • Traceability of wine - a criterion of quality and food safety for the consumer 
    COVACI, Ecaterina; CAPCANARI, Tatiana; LESANU, Alexandra (Tehnica UTM, 2018)
    In the last decade, several factors have determined an increasing demand for wine supply chain transparency. Indeed, amalgamation, fraud, counterfeiting, use of hazardous treatment products and pollution affect the trust ...
  • Traction capacity of rechargeable LFP batteries for trolleybus 
    PETROV, Oleg (Technical University of Moldova, 2023)
    The article deals with the actual problem of reducing air pollution by internal combustion engines of public transport in urban and suburban traffic through the use of battery trolleybuses for passenger transportation. A ...
  • 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 ...
  • Trust- based modeling MAC-type access control through access and actions control policies 
    DANILESCU, Marcel; BEŞLIU, Victor (Technical University of Moldova, 2021)
    In recent decades, the number of researches on access control and user actions in computer systems has increased. Over time, there have been two models of implementing Mandatory Access Control (MAC) policies for government ...
  • Two element microstrip antenna array using star slot electromagnetic band gap structure 
    PRAHLADA RAO, K.; VANI, R. M.; HUNAGUND, P. V. (Technical University of Moldova, 2019)
    This paper deals with the performance of two element antenna array without and with electromagnetic band gap structures. The antenna arrays are using Mentor Graphics IE3D software and measurements have been taken using ...
  • Universal protection device as an efficient way to increase the operational reliability of asynchronous engines 
    SHAPOVALOV, Veaceslav (Technical University of Moldova, 2019)
    The paper presents the relevant topic of improving protection devices for asynchronous engines used in agriculture. We have also provided the data of technical and technological damage. There have been identified the main ...
  • Updating the statistical register of housing in the Republic of Moldova using open-source GIS technologies 
    SPATARU, Mihail; VLASENCO, Ana; NISTOR-LOPATENCO, Livia; GRAMA, Vasile (Technical University of Moldova, 2022)
    This article describes the possibilities of promoting and implementing open-source geoinformation technologies in the field of statistical activity in the Republic of Moldova, which will simplify and streamline the process ...
  • The use of food dyes: problem, solution and source of perspective 
    SAVCENCO, Alexandra (Technical University of Moldova, 2023)
    For consumers, the colour presents an indicator that characterizes the quality of the food. As a result of the processes of caramelization of carbohydrates and products of the Maillard reaction, brown compounds are formed ...
  • The use of geographic information system for flood predictions 
    TABACARU, Alexandru; NISTOR-LOPATENCO, Livia; BEJAN, Iurie; PANTAZ, Alexandru (Technical University of Moldova, 2021)
    The article examines the issue of using geographic information systems (GIS) and WEBGIS technologies to predict areas likely to be flooded. Probabilistic flood hazard maps (0.5%, 0.1% and 1% flood risks) were used, obtained ...
  • The use of synchronous vector measurements in the calculation of steady-state modes of electrical networks 
    MURDID, Ecaterina (Technical University of Moldova, 2023)
    Calculation of steady state mode is the most used tool of modern electrical networks’ analysis. The current study is focused on the application of synchronized phasor measurements technology for steady state mode calculation. ...
  • The use of vegetable-derived proteins for new food products 
    MAZUR, Mihail; BULGARU, Viorica; CELAC, Valentin; ŞENSOY, Ilkay; GHENDOV-MOSANU, Aliona (Technical University of Moldova, 2023)
    Nowadays there is a high concern with newly-identified protein sources to substitute all kinds of proteins derived from animals. The food industry faces a challenge to produce quality food products that can feed more than ...

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