146 articole găsite pentru „last”.
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CONSIDERATII PRIVIND DETERMINAREA PERFORMANTELOR ANTIDEFLAGRANTE ALE CAPSULARILOR MOTOARELOR ELECTRICE DESTINATE FOLOSIRII IN ATMOSFERE EXPLOZIVE DE GAZE, VAPORI
Dr. ing. Mihai MAGYARI, Drd. ing. Sorin BURIAN, Dr. ing. Martin FRIEDMANN, Dr. ing. Lucian MOLDOVAN
Scopul lucrarii este de a efectua o analiza critica asupra celor mai importante cauze care conduc la transmiterea exploziei ( transferul aprinderii ), in timpul incercarilor de tip privind netransmiterea unei aprinderi interne la motoarele electrice destina…
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AERONAVELE FARA PILOT SI UTILIZAREA LOR IN DOMENII CIVILE SI MILITARE
Ing Tudor-Mihai TOMESCU (Germania), Ing. Traian TOMESCU, Dr. ing. Dorin ROSU, Dr. ing. Drago? POPA
Lucrarea prezinta unele realizari din ultimii 30 de ani in domeniul aeronavelor fara pilot a caror comanda este asigurata prin radio. Aceste aeronave nu au la bord persoane umane iar pentru comanda lor se folosesc sisteme de dirijare prin radio de la sol. El…
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DEZVOLTAREA SISTEMELOR COOPERATIVE SI IMPACTUL ASUPRA SISTEMULUI DE TRANSPORT RUTIER
Sl. dr. ing. ec. Florin NEMTANU, As.drd.ing. Valentin IORDACHE
Progresul tehnologic inregistrat in ultimii 20 de ani in domeniul tehnologiilor IT, electronica si comunicatii a permis dezvoltarea unui domeniu nou de aplicare al acestor tehnologii, sistemele inteligente de transport (ITS). Unele dintre cele mai importante …
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COMPORTAREA UNOR SOIURI NOI DE TRANDAFIR THEA HYBRIDA IN CONDITIILE BAZEI DIDACTICE A FACULTATII DE HORTICULTURA SI SILVICULTURA DIN TIMISOARA
Prof. dr. BALA Maria, Drd.ing. Daniel Nicola BERECICI
Cultura trandafirului in tara noastra a inceput sa ia amploare in ultimii ani astfel ca suprafetele ocupate de aceasta specie sunt in continua crestere. Pentru obtinerea unor flori de calitate trebuie sa se acorde o atentie sporita alegerii materialului sadit…
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THE FUNCTIONING OF SOME TRANSDUCERS AND SENSORS INTENDED FOR ROBOTIZED LASER
Dr.Ing. Wolfgang Janssen (Germania), Dr.Ing. Nicolae Joni, Ing. EWE. Alexandru Joni
Ultima perioada a dus la cresterea accentuata a cercetarilor pentru dezvoltarea aplicatiilor industriale ale diferitelor procese de sudare cu laser. In mod special interesul s-a concentrat pe dezvoltarea echipamentelor necesare pentru cresterea adaptivitatii…
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The physical and chemical structures by milk derivates
Florin M. Dumitrescu
Diferite proprietati fizico-chimice si mecanice ale margarinei, ca plasticitatea, vascozitatea, culoarea, gustul, aromele, punctul de topire, sunt similare cu ale untului de vaca natural, pe care il inlocuieste. In aceasta lucrare de cercetare a fost studiata…
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Particularitatile marfurilor periculoase transportate si impactul medioambiental al acestora
Drd. ing. Eugen Busa
Ca urmare a dezvoltarii economiei mondiale si a progresului tehnic din acest ultim secol, au crescut atit nivelul transporturilor de marfuri periculoase cit si impactul medioambiental al acestora. În vederea protejarii de evenimentele nedorite care s-ar putea…
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PREDICTIVE MAINTENANCE APPLIED TO LASTING EQUIPMENT
Velicu ŞTEFAN, Ionel PĂUNESCU, Marius PARASCHIV, Paul Liviu PĂUNESCU
This paper highlights the research conducted for proactive maintenance application by analyzing vibration and temperature monitoring during equipment operation, a method that provides a beneficial way clear, comprehensive and thorough to maintain normal opera…
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NEW RESEARCH ON COMPOSITE MATERIALS AT THE METAL FORMING RESEARCH CENTRE
Claudia GÎRJOB, Octavian BOLOGA, Gabriel RACZ, Cristina BIRIS
The Metal Forming Research Centre functions as separate research unit within "Lucian Blaga" University of Sibiu, Romania. This is one of the first centres of its kind in Romanian higher education system and emerged under the aegis of the European inter-univer…
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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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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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THEORETICAL RESEARCH ON THE MODELING OF CHARACTERISTICS OF COMPOSITE MATERIALS
Constantin D. STǍNESCU, Doina TǍRǍBUŢǍ (ENE),Mariana PǍTRAŞCU (ANTONESCU), Melania TĂMAȘ
the two components of the composite material, i.e., the matrix and the wire, take the requests differently compared with their rigidity. The way the force applied is taken over by composite components and their structural deformities depend on the connection …
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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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ON THE USE AND USEFULNESS OF SOME FUNDAMENTAL MATHEMATICAL CONCEPTS IN ENGINEERING EDUCATION
Liviu GORAȘ
In this communication we present several aspects regarding the ways and characteristics we communicate as well as considerations about the need to systematically use certain fundamental mathematical concepts in engineering education. We insist on the dissimil…
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COMBINED ELECTROSTATIC SEPARATION AND CLASSC METHODS OF RECYCLING PLASTICS FROM END-OF-LIFE VEHICLES
Ec. Eng. Robert T. Toth, Ph.D Candidate, Ec. Eng. Viorica Saplonai Ph.D Candidate, Eng. Daniel Dobrean Ph.D Candidate, Monica Saplonai Ph.D Candidate, Eng Clin Plea Ph.D Candidate, Eng Mrioara Moldovan, Ph.D, Prof.Eng. Roman Morar, Ph.D
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AERONAVELE FARA PILOT SI UTILIZAREA LOR IN DOMENIII CIVILE SI MILITARE
Ing. Tudor TOMESCU (Germania), Ing. Traian TOMESCU, Dr. ing. Dorin ROSU, Dr. ing. Dragos POPA
Lucrarea prezinta unele realizari din ultimii 30 de ani in domeniul aeronavelor fara pilot a caror comanda este asigurata prin radio. Aceste aeronave nu au la bord persoane umane iar pentru comanda lor se folosesc sisteme de dirijare prin radio de la sol. E…
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Efficiency increase of cleaning of plastic crates with milky contaminations
Mészáros György, Bíró István, Véha Antal
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Influenta calitatii materialului in comportamentul imbinarilor rigla-stalp ale cadrelor metalice parter realizate din elemente cu sectiuni variabile
Ionel-Mircea Cristutiu, Dan Dubina
Cadrele metalice parter, utilizate la realizarea halelor metalice usoare, sunt in general alcatuite din elemente avand sectiuni zvelte. Pentru o utilizare eficienta a elementelor, acestea au sectiuni variabile, in concordanta cu starea de eforturi, rezultand …
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Influenta rezistentei de izolatie a balastului asupra functionarii circuitului de cale
Alexandru Traistaru, Ramon-Mihai Balogh, Luisa-Izabel Dungan