596 articole găsite pentru „arc”.
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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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CONSIDERATIONS ON CONTACTLESS ELECTROMAGNETIC TECHNIQUES FOR MEASURING SOIL CONDUCTIVITY
Tudor BURLAN-ROTAR, Constantin STANESCU, Melania TAMAS
Conventional determination of resistivity by galvanic method requires a relatively large amount of labor to apply them in practice and is therefore expensive. It is the lateral or vertical variations of resistivity which form the basis of any interpretation. …
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NEW CONCEPTS FOR INCREASING THE BUILDINGS ENERGY EFFICIENCY
Anca DUTA, Ion VISA, Macedon MOLDOVAN, Mihai COMSIT
The efficient use of energy is a compulsory step towards sustainable development. Regardless the source (fossil fuel or renewable), energy consumption should be efficient to protect the resources and to lower the overall costs. This is particularly valid for …
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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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THEORETICAL RESEARCHES ON THE STRESS STATE AT VIBRO-DRAWING
Octavian BOLOGA
The paper contains the mathematical modelling of the stress state at vibro-drawing for the case of introducing the vibrating motion on axial direction, by means of the punch, into the drawing die. Starting from the definition of the total radial stress as sum…
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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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AN ANALYTIC METHOD FOR TWO-PORT PASSIVE NETWORK
COMPUTING FOR ANALYSIS OF COUPLED OSCILLATORS
Mihai IORDACHE, Lucia DUMITRIU, Lucian MANDACHE, Dragos Niculae, Jean-Marie PAILLOT (Franta), David CORDEAU (Franta)
Voltage controlled oscillators are present in the most of the digital communication system. In our days, they are used to control the phase in microwave antenna arrays. Researches are made so that a particular phase shift can be obtained by choosing the fre…
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ASUPRA MODELARII RETELELOR DE TRANSPORT INTERMODAL
Sef lucr.dr.ing. Dorinela COSTESCU
In strategiile de dezvoltare durabila, transportul intermodal de marfuri este considerat o solutie pentru echilibrarea pietei transporturilor si ameliorarea efectelor ambientale negative. Problemele tratate in aceasta lucrare se refera la proiectarea unei r…
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Designing a road and architectural lighting system
Eng. Silvia LAURIC, Eng. Ioana TIPA, Prof. Eng. Radu PENTIUC PhD, Assoc. Prof. Eng. Daniela IRIMIA PhD, Assoc. Prof. Eng. Crengua BOBRIC PhD
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Evaluation of retrofitting strategies for energy saving in Brazilian hotels
MSc. Arch. Eduardo CADEMARTORI(Brazilia), Lecturer Assis. Eng. Guglielmina MUTANI PhD(Italia), Assis. Arch. Daniel CÓSTOLA PhD.(Olanda), Prof. Dr.Ir. Jan LM HENSEN (Olanda)
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Passive house design in Romania as an influence of weather data analyses
Eng. Marcel Mugurel Iancu, Ph.D. candidate, Ph.D.Prof.Eng. Gheorghe – Constantin Ionescu , Eng. Raul Stelian Balota, Ph.D. candidate
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Daily differences trends of the climatic parameters in the N-W part of Romania
Eng. Raul Stelian Balota, PhD attendand, Prof. Eng. Gheorghe Constantin Ionescu PhD, Eng. Marcel Mugurel Iancu, PhD attendand
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Assesment of cost-effective sollutions for district heating systems moderization
Assoc. Prof. Eng. Marcel Ionel, PhD, Lecturer Eng. Diana Enescu, PhD, Lecturer Eng.Otilia Nedelcu, PhD
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The gims-based research remote sensing platforms
Prof. Eng. Vladimir F. KRAPIVIN PhD(Rusia), Prof. Eng. Anatolji M. SHUTKO PhD (Rusia), Prof. Eng. Costic NITU PhD, Assoc. Prof. Eng. Anda Sabena DOBRESCU PhD
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DEZVOLTAREA TRANSPORTULUI AERIAN IN LUME, IN ROMANIA SI IN JUDETUL BRASOV
Ing. Traian TOMESCU, Gen. rez. ing. Ion GEORGESCU , Dr. ing. Aristotel CANCESCU
Lucrarea prezinta unele aspecte referitoare la dezvoltarea traficului aerian in lume, in Europa si in Romania, realizarea Aeroportului Brasov si efectele asupra dezvoltarii economice si vietii sociale in judetul Brasov. In prima parte a lucrarii sunt prezent…
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Research on some aspects of quality assurance of minced meat
Draghici Olga, Stan Cristian Iliuta
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The identification and evaluation of some natural risks covered by the insurance in a rural ecosystem
Spanu Simona, Udrea Nicusor Marcel
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INTRODUCTION À L’ÉTUDE DE LA CORROSION DES CANALISATIONS D’EAU POTABLE EN FONTE GRISE
Ing. Petre BRADOSCHE (Franta)
O retea de distributie a apei potabile este un sistem complex si eterogen, influentat de numerosi factori fizici, chimici si biologici. Fenomenele de coroziune si deteriorare din interiorul conductei sunt mai usor de studiat, deoarece depind de calitatea ape…
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Statia de epurare a municipiului Timisoara intre trecut si viitor
Ilie Vlaicu, Melania Savescu, Marcel Murariu, Brigitte Borbely, Alexandra Nedelcu, Bogdan Radu
S.C. AQUATIM Timisoara are in prezent statut de operator regional de apa-canal. Unul dintre sectoarele de baza ale acestei societati este Statia de epurare a apelor uzate colectate prin reteaua de canalizare a orasului si restituirea acestora in emisar (raul…
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Issues on maintenance and modernization to increase safety against derailment of the railway transport
Eugen Ghita, Ramona - Madalina Cotarcea
Lucrarea de fata evidentiaza importanta intretinerii , reparatiei si modernizarii cailor ferate pentru evitarea cauzelor ce duc la aparitia deraierilor si a defectiunilor suferite de materialul rulant.