Articole ştiinţifice: Recent submissions

Now showing items 1041-1060 of 4725

Analytically determining of the relative inaccuracy (error) of indirectly measurable variable and dimensionless scale characterising quality of the experiment

KOLIKOV, Kiril; KRASTEV, Georgi; EPITROPOV, Yordan; CORLAT, Andrei (Institutul de Matematică şi Informatică, AŞM, 2012)

In the following paper we present an easily applicable new method for analytical representation of the maximum relative inaccuracy (error) of an indirectly measurable variable f = f(x1, x2, ..., xn) as a function of the ...
A new approach and software support to reliability analysis of repairable complex systems

CORLAT, A.; CORLAT, S. (Institutul de Matematică şi Informatică "Vladimir Andrunachievici", 1994)

A new method of reliability analysis of complex systems and software supporting is suggested. It is based on modelling of their evolution by means of semi–Markov processes. The results are obtained under general assumptions ...
Multidisciplinary Digital Solutions for Predicting the Environmental and Cumulative Behaviors of Contaminants in the Danube River Basin Ecosystems

DANILESCU, Laura; MARUSIC, Galina; KULEV, Mihail (Danubius University, 2020)

Water quality is a key issue for the sustainable development of the world. At present, in most regions of the globe, there is a continuous deterioration of water quality. To stop this process, it is necessary to initiate ...
Моделирование синдрома системной воспалительной реакции химической индукцией травмы толстого кишечника у крыс

БОРЩЕВ, Ю. Ю.; БУРОВЕНКО, И. Ю.; КАРАСЕВА, А. Б.; МИНАСЯН, С. М.; БОРЩЕВ, В. Ю.; СЕМЕНОВА, Н. Ю.; БОРЩЕВА, О. В.; ПОЛОВИНКИН, В. В.; РОДИОНОВ, Г. Г.; СУВОРОВ, А. Н.; ГАЛАГУДЗА, М. М. (Санкт-Петербургское региональное отделение Российской Ассоциации Аллергологов и Клинических Иммунологов, 2020)

Цель исследования – разработка модели синдрома системной воспалительной реакции (ССВР) химической индукцией травмы толстой кишки и антибиотик-ассоциированным дисбиозом кишечника у крыс с первичным висцеральным ожирением ...
Large-Sized Nanocrystalline Ultrathin β-Ga2O3 Membranes Fabricated by Surface Charge Lithography

CIOBANU, Vladimir; CECCONE, Giacomo; JIN, Irina; BRANISTE, Tudor; YE, Fei; FUMAGALLI, Francesco; COLPO, Pascal; DUTTA, Joydeep; LINNROS, Jan; TIGINYANU, Ion (MDPI (Basel, Switzerland), 2022)

Large-sized 2D semiconductor materials have gained significant attention for their fascinating properties in various applications. In this work, we demonstrate the fabrication of nanoperforated ultrathin β-Ga2O3 membranes ...
Public Acceptance and Support of Renewable Energy in the North-East Development Region of Romania

JIJIE, Dumitru-Tudor; MAXIM, Alexandru; ROMAN, Teodora; ROȘCOVAN, Mihail (MDPI (Basel, Switzerland), 2021)

Concern about energy in the European Union (EU) has been a recurrent issue from the very beginning. Though initially addressed at the state level, energy is now a shared competency as stressed by article 194 of the Treaty ...
Determination of primers efficiency in the detection of Pediococcus in wines

BUGA, Alexandra; MITINA, Irina; MITIN, Valentin; RUBTOV, Silvia; ZGARDAN, Dan (Alma Mater Publishing House of the University of Bacãu, Romania, 2021)

Pediococcus spp. are lactic acid bacteria which are considered spoilage in the wine making processes. Early detection can minimize the negative effects of Pediococcus spp on wine quality and prevent the development of ...
Development of functional products for premature babies using the CAD system

DANILA, Victoria; CURTEZA, Antonela; BALAN, Stela (Editura Universităţii din Oradea, 2021)

The development and implementation of a new model of sustainable clothing through the automated design system aims to optimize the design process and provide optimal solutions. The paper presents the SMART design concept ...
The analysis of the system “human–clothing–environment” with application in the design of functional adaptive products

FLOREA-BURDUJA, Elena; RARU, Aliona; FARÎMA, Daniela; IROVAN, Marcela (Editura Universităţii din Oradea, 2021)

Increasing the life quality for persons with disabilities represents an important problem for the whole society, locally and even globally. This group of people is the most vulnerable and the less protected, as they are ...
Bamboo fiber antibacterial effect (a review)

RARU, Aliona; FLOREA-BURDUJA, Elena; IROVAN, Marcela; FARÎMA, Daniela (Editura Universităţii din Oradea, 2021)

This article analyzes the current known information and data on the bamboo plant natural properties: UV protection properties, natural resistance to pests and fungal infestations due to an antimicrobial agent known as ...
An algorithm for testing of gas distribution phases in the internal combustion engines

NICU, T. (Institute of Mathematics and Computer Science of the Academy of Sciences of Moldova, 1999)

A method and algorithm for testing the gas distribution phases of internal combustion engines are proposed. This method allows a way of testing the gas distribution phases, based on direct and continuous measurements of ...
Uncertainty modelling of dynamically reconfigurable systems based on rewriting stochastic reward nets with z-fuzzy parameters

MORARU, Victor; GUŢULEAC, Emilian; ZAPOROJAN, Sergiu (Institute of Mathematics and Computer Science of the Academy of Sciences of Moldova, 2021)

This paper presents the descriptive compositional approach for uncertainty modelling and performance evaluation of dynamic reconfigurable discrete event systems (ReDES) using rewriting stochastic reward nets (ReSRN) with ...
Methods of solving of the optimal stabilization problem for stationary smooth control systems. Part I

KONDRAT’EV, G.; BALABANOV, A. (Institute of Mathematics and Computer Science of the Academy of Sciences of Moldova, 1999)

In this article some ideas of Hamilton mechanics and differential-algebraic Geometry are used to exact definition of the potential function (Bellman-Lyapunov function) in the optimal stabilization problem of smooth ...
Instalație robustă pentru întreprinderile din sectorul agrar

POPESCU, V.; MALAI, L.; BALAN, M.; VOLCONOVICI, O.; MALAI, C. (Universitatea Agrară de Stat din Moldova, 2022)

The article presents the results of the research on determining the constructive and technological parameters of the reliable installation, intended for agricultural enterprises, which operate on the basis of the ...
Estimation of technical and economic efficiency of modern cable transmission systems

NISTIRIUK, P. V.; TSURKAN, D. N.; ALEXEI, A. S.; GUJUMAN, L. M.; SAVA, L. I.; BEREGOI, E. A.; BIRZOI, O. (IEEE, 2001)

The present paper concerns the estimation of the cost of transmitting one kbps of information between two serviced intensifying or regeneration points (SIP or SRP). Different methods of signal multiplexing are taken into ...
Ensuring of reliability of discrete information reception in coherent FOTSI [fiber optic transmission systems]

NISTIRIUK, P. V.; TSURKAN, D. N.; BEREGOI, E. A.; ALEXEI, A. S.; BIRZOI, O. S.; KORNEA, C. I. (IEEE, 2002)

Described in this paper are different reception homodyne schemes for coherent FOTSI interference immunity increase. Coherent FOTSI immunity depends on the optical oscillator shot noise and laser phase noise, stipulated by ...
Convolver on multileading-out acoustic-electronic cryotron

NISTIIUK, Pv.; TSURKAN, D. N.; ALEXEI, A. S.; BEREGOI, E. A.; BIRZOI, O. (IEEE, 2001)

The results of a convolver on tunable acoustic-electronic cryotron elaboration are presented. The performances and parameters of a convolver depend on the frequency surface acoustic waves (SAW), amount and configurations ...
Оптические свойства HgGa2Se4 вблизи края собственного поглощения

ГЕОРГОБИАНИ, А. Н.; МЕТЛИНСКИЙ, П. Н.; РАДАУЦАН, С. И.; ТИГИНЯНУ, И. М.; УРСАКИ, В. В. (Физический институт им. П. Н. Лебедева АН СССР, 1986)

Соединение HgGa2Se4 относится к тройным алмазоподобным полупроводникам AIIB2IIIrC4VI , в которых четверть катионных мест пуста. Долгое время считалось, что стехиометрические пустоты являются причиной отсутствия экситонных ...
Design of New Nonlinear Optical Materials Based on Porous III–V Compounds

TIGINYANU, I. M.; KRAVETSKY, I. V.; MAROWSKY, G.; MONECKE, J.; HARTNAGEL, H. L. (John Wiley & Sons, Inc, 2000)

Bulk and porous membranes of gallium phosphide have been characterized by optical second harmonic generation (SHG) technique using a 1064 nm pump beam. The porous membranes prove to exhibit an enhanced SHG in comparison ...
Photoluminescence of Ce and Pr codoped calcium thiogallate

ANEDDA, A.; CARBONARO, C. M.; CHIRIU, D.; CORPINO, R.; MARCEDDU, M.; RICCI, P. C.; GEORGOBIANI, A. N.; TAGIEV, B. G.; TAGIEV, O. B.; ABUSHEV, S. A.; TIGINYANU, I. M. (John Wiley & Sons, Inc., 2006)

We investigated the room temperature photoluminescence of calcium thiogallate codoped with Ce and Pr. Line shaped emissions superimposed over a wide and composed luminescence band were observed. Different components were ...

Now showing items 1041-1060 of 4725

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