1.135 articole găsite pentru „man”.
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DISCOVERY OF “QUANTUM NUMBERS” IN THE CARDIOPULMONARY INTERACTION STUDIED IN THERMODYNAMICS WITH FINITE SPEED
Stoian PETRESCU, Valeria PETRESCU , Monica COSTEA, Liliana TIMOFAN, Silvia DANES, Georgeta BOTEZ
The paper proposes an extension of Thermodynamics with Finite Speed (TFS) to Biological Systems, with Cardio-Pulmonary System study as the first objective. It is an extremely important system in the functioning of any blood beings (including humans). For stat…
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STUDY REGARDING THE USE OF NEW SUSTAINABLE TEXTILE MATERIALS
Dorin VLAD, Alina Mihaela COLDEA, Diana COMAN
This paper presents a new eco-efficient way about using textile materials in order to minimize potential environmental impacts and human health. It also shows the advantages and the limitation of these materials. Because conventional textile production is one…
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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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GOLD MINING: ECONOMIC DEVELOPMENT VERSUS SUSTAINABLE DEVELOPMENT
Victor ARAD, Susana ARAD, Vlad COSMA
Against the prolonged economic crisis, the mining resources have regained the investors' attention. Demand for gold continues to increase worldwide and the high price of gold ounce compared with historical values, indicating a favorable global context of the …
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ANALIZA PARAMETRICĂ REOLOGICĂ A PROCESULUIDE COMPACTARE DINAMICĂ A PĂMÂNTURILOR ÎN REGIM CONTROLAT DE VIBRAŢII FORŢATE
Cornelia-Florentina DOBRESCU
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INCREASING SUSTAINABILITY OF THE HOUSING STOCK BY AVOIDING DAMAGE CAUSED BY THE SOIL-STRUCTURE RESONANCE
Dinu BRATOSIN
In any dynamic system, the coincidence between natural period and excitation period (the resonance) lead to extremely large dynamic amplification. For example a linear system with damping of order 25% the dynamic amplification factor has values between d…
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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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MAGNETIC CHARACTERISTICS OF NON-ORIENTED SILICON IRON STRIPS OBTAINED THROUGH MECHANICAL, LASER, ELECTRICAL DISCHARGE AND WATER JET CUTTING TECHNOLOGIES
Horia GAVRILĂ, Veronica MĂNESCU (PĂLTÂNEA), Gheorghe PĂLTÂNEA, Gheorghe SCUTARU, Ioan PETER
The increase of the asynchronous motors efficiency may be usually made by decreasing the total energy losses in the magnetic circuits. Non-oriented silicon iron (NO Fe-Si) sheets are soft magnetic materials with a nearly isotropic grain texture. They are used…
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MÖSSBAUER EFFECT INVESTIGATION OF FE-C STEEL ELECTROLYTIC GALVANISATION
Ion BIBICU, Caius BULEA, Vasile RUS
Galvanizing is a very well known industrial process for anticorrosive and protection coatings. At first sight, galvanizing should not need any further important research and development involvement but many reasons contradict this appreciation: the constant e…
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DEZVOLTAREA DURABILĂ ŞI AMENAJAREA TERITORIULUI
Şerban RAICU, Dorinela COSTESCU
Cele trei componente ale dezvoltării durabile (socială, economică, ambientală) au impus acțiunilor de amenajare a teritoriului exigențe tot mai severe. Prin raportare la acestea, lucrarea relevă caracterul pluridisciplinar al analizei sistemului teritorial și…
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THE PARADIGMS OF CHEMICAL ENGINEERING
Alexandru WOINAROSCHY
It is presented the chemical engineering development, as guided by its four main paradigms: unit operations, transport phenomena, product engineering and sustainable chemical engineering. The starting point is the paradigm definition as “a set of assumptions,…
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CONSIDERATIONS ON ROMANIA’S SUSTAINABLE ENERGY DEVELOPMENT
Aureliu LECA
This analysis looks into the sustainability of the Romanian energy sector against the main trends in the world economy and within the framework of the energy and environment policies of the European Union (EU). The gloom and doom conclusion, that sustainable …
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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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SISTEMELE DE STOCARE A ENERGIEI, O SOLUŢIE PENTRU OPTIMIZAREA FUNCŢIONĂRII REŢELELOR ELECTRICE LA CARE SUNT RACORDATE SURSE REGENERABILE INTERMITENTE
Florin Teodor TĂNĂSESCU
O restricţie întâlnită în producerea de energie electrică se datorează faptului că energia electrică trebuie consumată atunci când se generează şi nu poate fi conservată decât prin stocarea ei. Sunt prezentate diversele soluţii de stocare, avantajele şi dezav…
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RESULTS REGARDING MONITORING OF THE RISKS IN THE ROMANIA-BULGARIA CROSS-BORDER AREA
Gheorghe MANOLEA, Laurențiu ALBOTEANU, Constantin ȘULEA
In the period 2011-2014 was developed the cross-border project RO-BG MIS ETC 166 ”Joint Risk Monitoring during Emergencies in the Danube Area Border ”.The objectives were:1. Conceiving and realization of photovoltaic system for anti-hail units power supply sy…
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CONCEPTUAL DESIGN OF RENEWABLE-BASED ENERGY MIXES FOR SUSTAINABLE COMMUNITIES
Ion VISA, Anca DUTA, Macedon MOLDOVAN, Bogdan BURDUHOS
The transition towards a new, sustainable and affordable energy pattern is defined in the European Union document known as SET Plan (The European Strategic Energy Technology Plan). As the built environment accounts for over 40% of the total energy consumption…
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NOI TEHNOLOGII CRIOGENICE APLICATE ÎN ROMÂNIA
Alexandru ŞERBAN
Criogenia tehnică are ca obiect dezvoltarea și perfecționarea tehnicilor de obținere a temperaturilor foarte scăzute, procese și echipamente. In contrast cu fizica temperaturilor joase, criogenia tehnică se ocupă cu utilizarea fenomenelor care au loc la tempe…
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IMPLEMENTING THE TRAM-TRAIN SYSTEM FOR PUBLIC TRANSIT, THE KEY TO AN EFFICIENT MOBILITY IN THE WESTERN DEVELOPMENT REGION AND DKMT EURO-REGION
Radu RADOSLAV, Mihai-Ionuț DANCIU
The world urban population growth brings challenges that concern every one of the three components of the organic growth: economic, social and ecologic (Little D., Arthur, 2014). Their development will induce the necessity to assure extremely effective mobili…
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AUTOMOBILUL ELECTRIC – UNA DINTRE SOLUŢIILE MOBILITĂŢII DURABILE
Nicolae VASILE, Gabriela TEODORESCU, Călin OROS,Ioan-Corneliu SĂLIŞTEANU
Deşi utilizarea unor expresii referitoare la economie, care să cuprindă cuvântul „durabil”, există încă din antichitate, sensul actual al noţiunii de „Dezvoltare durabilă” este relativ nou. Conceptul de dezvoltare durabilă înseamnă acel mod de dezvoltare care…
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EDUCATION, TRAINING AND SOCIAL INCLUSION
George BĂLAN, Larisa DRAGOLEA
The core element of the society, the element of great importance for all components of the socio-economic system, is education. Education is that which should give the young the ability to perceive the essence (' what ') you should give them the freedom to li…