Articole ştiinţifice: Recent submissions

Now showing items 2061-2080 of 4684

Use of Finite Element Method (FEM) to determine spatio-temporal evolution of pollutants in river-type systems

MARUSIC, Galina; CIUFUDEAN, Calin; MARUSIC, Diana (IARAS Press, 2016)

This paper addresses the problem of water quality and water pollution in river-type systems. A bibliographic study on determination of spatial-temporal evolution of pollutants on Computational Fluid Dynamics (CFD) basis, ...
The Spline analysis of parameters and pollutants dispersion in river surface water

FILOTE, Constantin; CIUFUDEAN, Călin; ALACI, Stelian; MARUSIC, Galina; COZGAREA, Anamaria (WSEAS, 2012)

This paper presents the cubic Spline analysis of the physico-chemical parameters of Suceava River. This consideration is the first step in the design of a mathematical model based on differential equation system describing ...
The Spatial - temporal Evolution of Iron Dispersion in "River-type" Systems

MARUSIC, Galina; FILOTE, Constantin; CIUFUDEAN, Calin (WSEAS, 2012)

This article presents the problem of water pollution in rivers. The consequences of using iron polluted water are examined. A scenario of iron dispersion for a sector of river Prut, town Ungheni (R. Moldova) is modelled. ...
Software for modeling spatial and temporal evolution of river-type systems

MARUSIC, Galina; SANDU, Ion; MORARU, Vasile; VASILACHE, Violeta; CREŢU, Ana-Monica; FILOTE, Constantin; CIUFUDEAN, Calin (Universitatea Ştefan cel Mare, Suceava, 2012)

The paper discusses the problem of dynamic modeling of river-type systems using software packages. iThink, Simulink, Surface-water Modeling System (SMS) are analyzed. The research results are applied to modelling hydrodynamics ...
Numerical Simulation of the Hydrodynamics of Some Sectors of the Prute River

MARUSIC, Galina; PANAITESCU, Valeriu (Revista de chimie SRL, 2019)

This paper addresses issues related to the determination of hydrodynamics of aquatic systems, with the application of computational fluid dynamics (CFD) analysis. The importance of knowing the hydrodynamics of aquatic ...
Modeling of Spacio-temporal Evolution of Fluoride Dispersion in “River-type” Systems

MARUSIC, Galina; SANDU, Ion; VASILACHE, Violeta; FILOTE, Constantin; SEVCENCO, Nina; CRETU, Monica-Anca (Revista de chimie SRL, 2015)

This paper presents the modeling evolution of fluoride concentration in “river-type” systems. We discuss the fluoride influence on the human body, taking into consideration aspects of fluoride content in drinking water, ...
Current state of research on water quality of Prut River

MARUSIC, Galina; CIUFUDEAN, Calin (Transilvania University of Brasov, 2013)

This paper presents a bibliography analysis on water quality of the River Prut. It deals with the concept of "water quality" in various aspects of water use. We discuss the need of developing mathematical models for ...
Communication Chain in the Internet of Things with Spread-out Electronic Device System Abstraction

BRAGARENCO, Andrei; MARUSIC, Galina; CIUFUDEAN, Calin (IEEE, 2021)

Communication is the act of transferring information between entities. Existing architectural communication approaches provide solutions for data transfer from the sender to the receiver. While those solutions are targeting ...
Atestarea ştiinţifică în anul 2018: sub semnul reformelor

CUCIUREANU, Gheorghe; MARUSIC, Galina; MINCIUNĂ, Vitalie; CALLO, Tatiana; PIŞCENCO, Marina; DANILIUC, Aliona (Academia de Ştiinţe a Moldovei, 2019)

În articol se analizează procesul de atestare a personalului științific și științifico-didactic în Republica Moldova în anul 2018. Rezultatele atestării, influențate de procesele de reformare a domeniilor educației și ...
A study on the mathematical modeling of water quality in "river-type" aquatic systems

MARUSIC, Galina (WSEAS, 2012)

This paper deals with the problem of pollution in "river-type" aquatic systems. We discuss prediction methods of pollution and water quality determination, and the concept of "water quality". It examines the main sources ...
The efficiency of the iron fortification and the quality control of the final enriched bakery products

CIOBANU, Corina; DESEATNICOV, Olga; CIUMAC, J. (Academia de Ştiinţe a Moldovei, 2005)

The study of the food consumption and nutrition contribution of the Moldavian people, realized by the support of UNICEF in spring-autumn 1998, shows that the products used in the nutrition of women aged 18 – 45 years old ...
Rheological properties and a new functional mayonnaise microstructure of enriched by grape seeds oil

POPOVICI, Cristina; CAPCANARI, Tatiana; DESEATNICOVA, Olga; STURZA, Rodica (Engineering Academy of Armenia, 2012)

One of priority directions in the food-processing industry development is work out the recipe and production offatty products. A certain place occupies mayonnaise in which vegetable oil is in the dispersed state ...
Photocatalytic degradation of organic dyes using TiO2 nanotube arrays and aero-ZnO- ZnS under UV and visible light illumination

PLESCO, I.; CIOBANU, V.; BRANISTE, T.; DUTTA, J.; TIGINYANU, I. (IEEE, 2020)

We report on the results of comparative study of the photocatalytic performances of the wide band gap semiconductor catalysts titania (TiO2), zinc oxide (ZnO) and mixed phase of ZnO-ZnS (zinc sulfide). The mixed phase ...
Self-Propelled Aero-GaN Based Liquid Marbles Exhibiting Pulsed Rotation on the Water Surface

BRANISTE, Tudor; CIOBANU, Vladimir; SCHÜTT, Fabian; MIMURA, Hidenori; RAEVSCHI, Simion; ADELUNG, Rainer; PUGNO, Nicola M.; TIGINYANU, Ion (MDPI, 2021)

We report on self-propelled rotating liquid marbles fabricated using droplets of alcoholic solution encapsulated in hollow microtetrapods of GaN with hydrophilic free ends of their arms and hydrophobic lateral walls. Apart ...
Highly Porous and Ultra-Lightweight Aero-Ga2O3: Enhancement of Photocatalytic Activity by Noble Metals

PLESCO, Irina; CIOBANU, Vladimir; BRANISTE, Tudor; URSAKI, Veaceslav; RASCH, Florian; SARUA, Andrei; RAEVSCHI, Simion; ADELUNG, Rainer; DUTTA, Joydeep; TIGINYANU, Ion (MDPI, 2021)

A new type of photocatalyst is proposed on the basis of aero-β-Ga2O3, which is a material constructed from a network of interconnected tetrapods with arms in the form of microtubes with nanometric walls. The aero-Ga2O3 ...
Synthesis Algorithms of Controllers for Automatic Control Systems with Maximum Stability Degree

FIODOROV, Ion (University of Craiova, 2013)

Algorithms for synthesis of the P, PD, PI and PID controllers for control systems with maximum stability degree are elaborated in this paper. The imposing to the designed system of the maximum stability degree is provided ...
PID-Controller Application in the System for Variable Technological Process

BARANOV, Simion; COJUHARI, Irina; FIODOROV, Ion; GORCEAC, Leonid (IEEE, 2014)

This report concerns the automatic control system based on the programmable controller TRM-151-01 of the temperature of semiconductor alloying with zinc and tellurium. The goal of the research is the industrial modernization ...
Schottky-based THz-MIC-s

COJOCARI, Oleg; OPREA, Ion; WALBER, Achim; GIBSON, Hugh (IEEE, 2011)

This paper summarizes recently-achieved results for a frequency mixer and multiplier at Sub-mm-wavelengths, using a new-developed fabrication technology for Schottky-based Structures. Achieved results represent European ...
Comb drive actuated chip with three dimensional movement

DOROGAN, Andrei (Oradea University, 2007)

The following work reflects the scientific results obtained during a staging process in Neuchâtel, Switzerland in the frame of an international project SCOPES IB no. 7420-1100981/1. In the work is presented the design of ...
New structure of photoreceivers for optic communications

DOROGAN, Valerian V.; VIERU, Tatiana S.; DOROGAN, Andrei V. (SPIE, Society of Photo-Optical Instrumentation Engineers, 2005)

New p-i-n photodiodes on the basis of InP-InGaAs-InGaAsP heterostructures for optic communications, possessing original characteristics, are presented in the paper. Their specific photosensibility was achieved by placing ...

Now showing items 2061-2080 of 4684

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