Journal of Engineering Science: Recent submissions

  • Spectral space as a method for data crypto protection using the Fast Fourier Transform 
    BALABANOV, Anatoly; KUNEV, Vyacheslav; COLESNIC, Victor (Technical University of Moldova, 2021)
    The article proposes to solve the problem of real-time application (on-line) of asymmetric bit-by-bit (flow or phoneme block, 32-, 64-,…, n-bits block) encryption of the linear and / or non-linear formants of the spectrum ...
  • A review of wireless sensor network potential in Nigeria as a tool for sustainable development 
    OYEDEJI, Ajibola (Technical University of Moldova, 2021)
    The emerging trend in the world of technology and Information Technology has posed so many opportunities and challenges. Wireless Sensor Network (WSN) is a relatively new and rapidly developing technology due to the ...
  • The influences of the asymmetric gain saturation effect on the dynamics of InGaAsP Fabry-Perot lasers 
    DOBROVOLSCHI, Veronica; PIRTAC, Constantin; TRONCIU, Vasile (Technical University of Moldova, 2021)
    This paper reports on the influence of the asymmetric gain saturation on the dynamics of InGaAsP Fabry-Perot lasers. The results are obtained by numerical simulations of multimode rate equations. The gain saturation effects ...
  • 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 ...
  • Central and logarithmic central image chord transformations for invariant object recognition 
    PERJU, Veaceslav; COJUHARI, Vladislav (Technical University of Moldova, 2021)
    Pattern descriptors invariant to rotation, scaling, and translation represents an important direction in the elaboration of the real time object recognition systems. In this article, the new kinds of object descriptors ...
  • 2d model numeric AMR, modelling and simulation of magnetocaloric effect 
    BOTOC, Dorin (Technical University of Moldova, 2021)
    In this article, the study of gadolinium material is focused on determining the constants and properties of the material, the analysis of substructures and the orientation of dipole moments. Research into material aspects ...
  • 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 ...
  • Some aspects of primer design for real time PCR with SYBR® Green as a dye 
    MITIN, Valentin; MITINA, Irina (Tehnica UTM, 2020)
    This work considers the sequence of steps for designing primers for real time qPCR analysis with SYBR® Green as fluorescent dye. For primer design, we used Primer-Blast software. As an example, we design primers to fum6 ...
  • Quality parameters of collagen containing raw materials and courses of their use 
    VOYTSEKHIVSKA, Liubov; FRANKO, Olena; OKHRIMENKO, Yurii; VERBYTSKYI, Sergii; GAVRILENKO, Anna (Tehnica UTM, 2020)
    Quality parameters of stuffs, namely minced meat (CMM) and coagulated gel (CCG), obtained by processing of hen legs are presented n this work. The effect of the said characteristics upon finished meat products is investigated, ...
  • Rheological and textural properties of goat's milk and mixture of goat's and cow's milk fruit yogurt 
    BULGARU, Viorica; CUȘMENCO, Tatiana; MACARI, Artur; BOTEZAT, Olga (Tehnica UTM, 2020)
    Yogurt rheological and textural parameters are known to have an important impact on food quality and acceptability. The paper includes the determination of the viscoelastic and textural parameters of goat's milk and cow's ...
  • Influence of enzymatic treatment and storage temperature on the aromatic composition of Viorica wines 
    VLADEI, Natalia (Tehnica UTM, 2020)
    The subjects of this paper are the grapes and wines obtained from local selection variety Viorica from Republic of Moldova. Following the spectrophotometric analysis of grape juice, significant differences between the ...
  • Mathematical modeling of pollutant transport and dispersion processes in the Dniester river 
    BRANIŞTE, Rodica; MARUSIC, Galina (Tehnica UTM, 2020)
    This paper approaches the issue of water quality in river-type aquatic systems. It is discussed the importance of applying the mathematical and numerical models in order to assess the water quality and to predict different ...
  • Architecture of administrative buildings of Chisinau city within the context of world architecture 
    OLEINIC, Svetlana (Tehnica UTM, 2020)
    This article reveals the influence of the conceptual directions of development within world architecture on the active creative processes of modernist and postmodern orientations, which have taken place in Moldovan ...
  • Leveraging blockchain technology to assure security of SDN 
    AMEEN, Ali (Tehnica UTM, 2020)
    This article presents a potential solution to secure or ensure a better security level for the Software-Defined Networks (SDN) paradigm; by introducing the usage of blockchain technology in a different way than the Marconi ...
  • 5G: future opportunities and challenges 
    BĂJENESCU, Titu-Marius I. (Tehnica UTM, 2020)
    5G is the new mobile communications technology which uses the latest techniques to provide a step change in performance, but it also provides some unique challenges. 5G provides the increased speed, bandwidth, low latency ...
  • Informatics security assessmentin the Republic of Moldova 
    BOLUN, Ion; CIORBĂ, Dumitru; ZGUREANU, Aureliu; BULAI, Rodica; CĂLIN, Rostislav; BODOGA, Cristina (Tehnica UTM, 2020)
    The topicality of systemic research on informatics (IT) security in the Republic of Moldova is argued. Based on international practices, a set of 24 indicators (aspects) is defined for the incipient assessment of the state ...
  • A smart omnidirectional controlled wheelchair 
    ISAH, Rabiu Omeiza; OLANIYI, O. M.; KOLO, J. G.; BABATUNDE, D. Z. (Tehnica UTM, 2020)
    Wheelchair is used by individuals that find it challenging to walk. Various methods have been adopted in developing wheelchairs to suit the needs of the physically disabled using the available technologies. Problems ...
  • Digital twin for PV module fault detection 
    VALEVICH, Sergey; ASIMOV, Roustam; KRUSE, Ingmar; ASIPOVICH, Vitaly (Tehnica UTM, 2020)
    This paper is focused on photovoltaic (PV) installation fault detection techniques. Three methods of PV module fault detection were proposed, implemented, and tested on real PV plant located in Nürnberg, Germany. Proposed ...
  • Simulation design performance for power supply and a variable voltage to frequency converter 
    MOHAPATRA, Badri Narayan; JOSHI, Jijnyasa; WATHE, Aditi; PATIL, Aakansha; PHADTARE, Vaishnavi (Tehnica UTM, 2020)
    This paper presents the experimental results and the information of a power supply of range 0 - 5 volts which is further supplied to a voltage to frequency converter circuit. The main purpose for the construction of the ...
  • Energy use pattern of selected commercial poultry farms in Ogun State, Nigeria 
    BABALOLA, Ayoola A.; SANUSI, Abisola O.; ADETIFA, Babatunde O.; ADEYEMI, Hezekiah O.; OLATUNDE, Olanrewaju B. (Tehnica UTM, 2020)
    Energy represents an important component of agriculture and essential to the sustainable production of poultry meat and egg. Despite several efforts at ensuring self-sufficiency in the local production of poultry products ...

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