Browsing 2021 by Title

Now showing items 1-20 of 59

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 ...
About the necessity to determine the technical condition of buildings of strategic importance in Ungheni district from Republic of Moldova

RUSU, Ion; CREŢU, Ion (Technical University of Moldova, 2021)

This paper deals with the need to determine the technical condition of strategic buildings, blocks of flats, which are in a precarious condition as well as engineering networks located within the Ungheni district. The ...
Algorithm for self-tuning the PID controller

COJUHARI, Irina (Technical University of Moldova, 2021)

An algorithm for self-tuning the PID controller to the second order systems is proposed in this paper. The proposed self-tuning procedure was developed according to the maximum stability degree criterion, the criterion ...
Aplication of regression analysis in feasibility studies of consumer connection to district heating systems

CHELMENCIUC, Corina; BOROSAN, Constantin; LISNIC, Vadim (Technical University of Moldova, 2021)

Nowadays, both globally and in Europe, and nationally, there is a tendency to promote district heating systems to the detriment of individual ones to heat dwellings in urban areas. The need to develop the DHSs is indisputable ...
Artificial intelligence in stock market investment

MOHAPATRA, Badri Narayan; NAGARGOJE, Bhagwat; ZURUNGE, Prajwal; MORE, Suraj (Technical University of Moldova, 2021)

This study investigates the selection of stock from huge stock markets and by using good selection tools so that it will give a good return value. It helps investor to find an easy decision regarding their investment in ...
Assuring the SDN security by modelling and comparing SDN proposed topologies using Petri nets

AMEEN, Ali (Technical University of Moldova, 2021)

The soaring number of applications for autonomous systems in different aspects like air, sea, and space is creating the need for new methodologies and architectures’ technologies to consolidate the verification of system-level ...
A case study about degradation of the buildings and their building elements as a result of climate change

CROITORU, Gheorghe (Technical University of Moldova, 2021)

The article deals with the problems of climate change and global warming, extreme climate phenomena, which present risk factors for the national economy, including construction. The causes that lead to the occurrence of ...
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 ...
Comparative assessment of competence level of transport system experts

AMBROSI, Grigore (Technical University of Moldova, 2021)

The paper deals with the comparative assessment of competence level of transport system experts. The high level of competence of the experts is the premise to ensure the quality of the expertise of the systems insufficiently ...
Cyber security strategies for higher education institutions

ALEXEI, Arina (Technical University of Moldova, 2021)

Due to the large volume of data they manage, Higher Education Institutions (HEIs) are perfect targets for cyber attackers. University networks are open in design, decentralized and multi-user, making them vulnerable to ...
Design aspects of installation devices of the support rings

BOTEZ, Alexei; RUSU, Elena (Technical University of Moldova, 2021)

The processes of manufacturing machines and appliances show a continuous tendency to increase the degree of automation. An important role in the automation of manufacturing processes is played by the constructive ...
Development of IoT based smart inverter for energy metering and control

UMAR, Buhari U.; NUHU, Bello K.; ALAO, Olaoluwa M. (Technical University of Moldova, 2021)

Insufficient power generation has facilitated the search for alternative power generation, as the world is gradually making the transition to renewable green energy sources as a replacement for fossil fuels and other ...
Development of the real-time PCR methodology for testing mycotoxigenic microorganisms in grape marc

STURZA, Rodica; MITIN, Valentin; MITINA, Irina; ZGARDAN, Dan; PATRAS, Antoanela; BEHTA, Emilia (Technical University of Moldova, 2021)

Agro-industrial waste management is an important problem of modern society as agriculture and food industry are important sources of waste. Wine production generates a considerable amount of winemaking waste (grape marc). ...
Development ultra-high strength cementitious characteristics using supplementary cementitious materials

BAIEE, Ameer (Technical University of Moldova, 2021)

For sustainability purposes, supplementary cementitious materials (SCMs) are considered essential components for gaining ultra-high strength properties of concrete and mortar. This study experimentally investigates the ...
Digital techniques for water pollution control

SAVA, Nina; MARUSIC, Galina (Technical University of Moldova, 2021)

This paper is a detailed description and analysis of the most popular techniques digital for water quality control nowadays. It is illustrated how these techniques can be applied to solve problems that have arisen as a ...
Effect of friction on the micromechanical properties of AISI 316L austenitic steel

GRABCO, Daria; PYRTSAC, Constantin; TOPAL, Daria; SHIKIMAKA, Olga (Technical University of Moldova, 2021)

In this paper, we investigate the possibility of using the friction method for modifying the microstructure and mechanical properties in the near-surface regions of AISI 316L austenitic steel specimens for the purpose of ...
Effects of natural bioactive compounds on microbial safety and quality of dairy products

POPESCU, Liliana (Technical University of Moldova, 2021)

Dairy products are susceptible to contamination by foodborne pathogenic and spoilage microorganisms, which can result to a reduced shelf life of products as well as risks to the consumers’health. This determines the possible ...
Efficiency of coagulation-flocculation process in the treatment of abattoir effluent

FAMILUSI, Ayokunle; ADEKUNLE, Adebola; BADEJO, Adedayo; ADEOSUN, Olayemi (Technical University of Moldova, 2021)

The use of coagulation-flocculation process as means of wastewater treatment is gradually becoming more popular. This research work is to evaluate the efficiency of coagulation-flocculation process in the treatment of ...
Energy characteristics of phase regulating device based on "star" circuit

KALININ, Lev; ZAITSEV, Dmitrii; TIRSU, Mihai; GOLUB, Irina; KALOSHIN, Danila (Technical University of Moldova, 2021)

The electric power industry development mean increases the electric grids flexibility through the use of various devices type (FACTS) controlled by means of power electronics and being an element of the Smart Grid. This ...
Energy-saving chamber in production of building materials and products

ZAVOLOKA, Michael; SHINKEVICH, Elena; VINNICHENKO, Varvara; PLIT, Alexander (Technical University of Moldova, 2021)

This paper presents the results of a study of the compressive strength of concrete in a cyclic solar chamber. The analysis of the existing types of industrial solar chambers is carried out and the main structural elements ...

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