305 articole găsite pentru „EMI”.
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EFFICIENT COMPUTATIONS WITH STRUCTURED MATRIX PENCILS IN AUTOMATIC CONTROL
Vasile SIMA
There is a continuous research effort worldwide to improve the reliability, efficiency, and accuracy of numerical calculations in various domains. One of the most promising research avenue is to exploit the structural properties of the mathematical problems t…
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A SOCIO-ECONOMIC REGULARITY ESTABLISHED BASED ON AN ANALOGY WITH THERMODYNAMIC PROCESSES WITH FINITE SPEED - An Equation for Standard of Living -
Ioan GANEA, Adrian S. PETRESCU, Liliana TIMOFAN , Stoian PETRESCU, Monica COSTEA
This paper proposes a quantitative description of the flows of energy, mass and information in a country, based on recently developed concepts in Thermodynamics with Finite Speed. An equation for Standard of Living is derived. As shown in the ‘70 by Georgescu…
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COMPARATIVE SUSTAINABLE ANTIBACTERIAL TECHNOLOGIES FOR TEXTILE APPLICATIONS
Diana COMAN, Narcisa VRÎNCEANU, Simona OANCEA, Ioan NEAGU
The present study is both a review regarding the newest methodologies of application of antibacterial agents on textile supports, natural and chemical, and an antithesis focusing on the comparison between well known antibacterial agents, ranging from syntheti…
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HIGH PERFORMANCE MAGNETIC DEVICES BASED ON NANOCRYSTALLINE MATERIALS
Andrei MARINESCU Horia GAVRILA, Ionel DUMBRAVA
During the last two decades remarkable advances occurred in the field of semiconductor devices and smart systems, by their miniaturization and performance increase. Consequently, the reduction of equipment energy consumption and dimensions has resulted. A maj…
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DETERMINATION OF THE OPTIMAL MATERIAL FOR PERMANENT MAGNETS USED IN THE MANUFACTURE OF HIGHPOWER AUDIO DEVICES
Constantin D. STĂNESCU, Liliana CĂINICEANU
Crowded permanent magnets of NdFeB -type have the superior properties to those intered as shown by the magnetic circuit modeling using finite element method (FEM). Determination of the optimum material for magnetic circuit of high power audio devices is a com…
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NEW APPROACHES ON THE ENERGY STORAGE TECHNOLGIES IN ROMANIA
Ioan ȘTEFĂNESCU, Mihai VARLAM, Elena CARCADEA
Critical issues related to the availability of energy sources and their efficient use has quickly become vitally important. Population growth combined with growing demand for energy and materials in order to increase the standard of living is actually the mai…
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THE EXERGY ANALYSIS OF THE INDUSTRIAL SYSTEMS
Ilie SIMINICEANU
This paper deals with the exergy analysis of a nitric acid plant with ammonia oxidation at normal pressure, and chemical absorption at a pressure of 5 bar (1/5 process).The exergy balance model established previously for open chemical systems, and the corresp…
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SUSTAINABLE DEVELOPMENT THROUGH PHOTOVOLTAIC ENERGY
Mihai CRENGANIS, Octavian BOLOGA
Our paper presents general aspects regarding renewable energy and its technologies. We are summarizing the characteristics of the photovoltaic energy. Also the paper describes the main components of a 24 MW photovoltaic project around Sibiu city. The goal of …
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ON THE GRADUATE MODEL OF THE COMMAND OFFICERS OF THE ROMANIAN LAND FORCES
Ghiţă BÂRSAN, Vasile NĂSTĂSESCU1, Marioara PATEŞAN, Luminiţa GIURGIU
The paper presents the results of the scientific research undertaken by the authors regarding the way the graduate model is implemented in the training process for command officers. Introduction of the new curriculum in the military academies has resulted in …
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CENTRUL DE COMPETENŢĂ PENTRU TEHNOLOGII SPAŢIALE DIN CONSTANŢA DEDICAT DEZVOLTĂRII SUSTENABILE A REGIUNILOR MARINE ȘI COSTIERE ROMÂNEȘTI – COSMOMAR
Răzvan MATEESCU, Simion NICOLAEV, Luminița BUGA, Gabriel GANEA,Eden MAMUT, Claudiu FERCU, Laurențiu OANCEA
Marea Neagră este bazinul terminal al unei treimi din reţeaua hidrografică a Europei (de cinci ori mai mult decât suprafaţa sa). Dintre toate bazinele oceanului planetar, degradarea mediului în bazinul Mării Negre este cea mai severă. Monitorizarea stării tro…
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EDITORIAL
Prof. dr. arh. Emil Barbu POPESCU, Preşedinte al Universităţii de Arhitectură şi Urbanism "Ion Mincu" (UAUIM) şi vicepreşedinte al Secţiei de Construcţii şi Urbanism a Academiei de Studii Tehnice din România (ASTR)
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DISPARATE THOUGHTS ABOUT FATEFULNESS OF OUR LIVES
Academician Boris DRAGANOV (Ucraina), Academician Gleb DRAGAN
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SOME QUESTIONS ABOUT THE CONCEPT OF "TRUTH"
Academician Boris DRAGANOV
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New methods for determining SO2 emitions
Nisulescu Catalin, Calinoiou Delia, Ionel Ioana
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Effect of freeze drying on the chemical composition of lemon balm leaves (Melissa officinalis, l.)
Antal T., Sikolya L., Kerekes B.
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Chemical pollution from diesel engines locomotives in traffic between railway stations on different gradients from the western part of Romania
Balogh Ramon Mihai, Stepan Dan Simion, Ionel Ioana
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A study of electrochemical oxidation of 2.4-dinitrophenol from wastewaters in order to protect the quality of soils
Bebeselea Adriana, Mnerie Gabriela
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Emissions of particulate matter from railways – an overview
Dungan Mircea, Dungan Luiza Izabela
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Prezentul si viitorul energiei. Partea I
Prof. dr. ing. Mircea BEJAN, Prof. dr. ing. Tiberiu RUSU, Ing. Ioana BALAN
Numeroase scenarii energetice sunt elaborate in fiecare an de catre organisme specializate in domeniul energiei. Nivelele surselor primare de energie sunt date de rezervele subterane disponibile. Cele mai importante surse de energie primara sunt cele pe baza …
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Prezentul si viitorul energiei. Partea a II-a
Prof. dr. ing. Mircea BEJAN, Prof. dr. ing. Tiberiu RUSU, ing. Ioana Balan
Numeroase scenarii energetice sunt elaborate in fiecare an de catre organisme specializate in domeniul energiei. Nivelele surselor primare de energie sunt date de rezervele subterane disponibile. Cele mai importante surse de energie primara sunt cele pe baza …