276 articole găsite pentru „coș”.
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OPTIMIZAREA CAPACITATII UNEI INTERSECTII CU AJUTORUL INSTRUMENTELOR SOFTWARE
S.l. dr. ing. Maria Claudia SURUGIU, As. drd. ing. Elena Alina STANCIU, As. drd. ing. Ilona Madalina MOISE, As. drd. ing. Ovidiu TOMESCU
In lucrare se prezinta modalitati de identificare a programelor pentru optimizarea semaforizarii in intersectii. Modelele ofera oportunitatea de a evalua strategii de control si planificare a traficului la anumite ore si pe anumite artere fara a folosi resu…
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EXPERIMENTAL STUDIES ON CHARACTERISTICS OF THE PHOTOVOLTAIC SYSTEMS MADE IN DIFFERENT TECHNOLOGIES
Mariana R. MILICI, L. Dan MILICI, Philip KEERSEBILCK, Win FLORE (Belgia), Dorel CERNOMAZU
Incalzirea globala a planetei noastre ca urmare a utilizarii de combustibili fosili este un subiect de actualitate. O alternativa pentru centralele poluante ce produc energie electrica o reprezinta panourile fotovoltice. Panourile solare transforma lumina so…
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ELECTROMECHANICAL PROCESS OF DISASTER LAND
Tudor AMBROS (Republica Moldova)
In lucrare este prezentata repartizarea liniilor magnetice produse de curentii centurii nucleare terestre si a centurilor de radiatie Van Allen si actiunea reciproca dintre aceste campuri. Sunt inaintate ipoteze referitoare la cauzele provocatoare de cutremur…
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POSIBILITATI DE REDUCERE A CONSUMURILOR DE COMBUSTIBIL IN CAZUL INSTALATIILOR TERMICE, PRIN UTILIZAREA RESURSELOR ENERGETICE SECUNDARE
Prof. dr. ing Carmen PAPADOPOL, Prof dr. ing. Petre RADUCANU
In actuala conjunctura energetica, cand cresterea pretului resurselor energetice clasice anunta o noua criza energetica mondiala, iar poluarea atmosferica devine din ce in ce mai acuta, economia energiei, folosirea ei rationala, devine o directie importanta i…
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CONSECINTELE HIBRIDARII INTERRASIALE LA ALBINE
Prof. dr. ing. Marian BURA, Asist. dr. ing. Silvia PATRUICA, Drd.ing. Antonina JIVAN, Dr. Cornel Cristian CIOBANAS
Lucrarile de ameliorare in apicultura au rolul de a modifica organismul albinelor, de a imbunatatii calitatile ereditare ale matcilor si albinelor lucratoare in scopul cresterii continue a productivitatii familiilor de albine.Ameliorarea in apicultura prezint…
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VALUE ANALYSIS AND VALUE MANAGEMENT IN DESIGN OF INDUSTRIAL EQUIPMENT
Prof.univ.dr.Ing.Florin CHICHERNEA
Managementul prin Valoare (MV) este un demers sistematic care imbunatateste “valoarea” echipamentelor industriale sau produselor si serviciilor folosind o examinare functionala. Valoarea este raportul functiilor si a costului. Managementul prin Valoare este u…
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CONSTRUCTIVE SOLUTIONS FOR VARIABLE COMPRESSION RATIO ENGINES
drd.Iig.Adrian GABOR
Se crede ca in viitorul apropiat, raportul variabil de comprimare (VCR) va furniza industriei auto o gama larga de strategii pentru a putea fi produse motoare puternice, cu un consum redus de combustibil, ceea ce va duce la autovehicule atractive care se vo…
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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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Tratarea, prin metode alternative, a deseurilor periculoase provenite din unitatile sanitare
Ing. Anisoara Popescu
Diversele metode utilizate in mod frecvent pentru tratarea deseurilor periculoase provenite din activitatile medicale au ca scop obtinerea unui produs final prietenos mediului si sanatatii. Cea mai raspindita metoda de tratare a acestor tipuri de deseuri este…
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O abordare moderna pentru producerea eficienta a biodieselului
Nicolae Sdrula, Ioan Frasineanu
Uniunea Europeana este puternic dependenta in prezent de combustibilii fosili pentru nevoile crescinde de transport. Biocombustibilii pot oferi o alternativa importanta la cei fosili pe termen scurt si mediu. Dintre acestia, biodieselul este un combustibil ce…
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Aplicatii civile cu GPS
Lect. univ. drd. ing. Iustin Andronie, Asist. univ. drd. ing. Mihai Andronie
Reteaua de sateliti GPS si sistemele GPS au devenit un lucru obisnuit in viata de zi cu zi. Aplicatiile sunt dintre cele mai diverse, de la cele din domeniul militar, determinarea limitelor terenurilor, navigatie comerciala, pina la cele pentru uzul persoanel…
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Elaborarea unei colectii de produse de incaltaminte prin structurarea familiilor de modele
Ing. Mariana Pastina, Conf. dr. ing. Aura Mihai, Ing. Stan Mitu
In cadrul acestei lucrari se propune o metodologie de structurare ierarhica a unei familii de modele, pornind de la un model de baza. Modelul de referinta precum si modelele dezvoltate in cadrul colectiei au fost proiectate interactiv, cu ajutorul sistemului …
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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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SOME ASPECTS REGARDING STRESS WAVE PROPAGATION IN TRONCONICAL SHORT BARS WITH VARIABLE ANGLE
Nicolae ILIESCU, Vasile NĂSTĂSESCU, Costică ATANASIU
In the first part of the paper an algorithm of calculus, using FEM, developed by the authors in a previous paper, is presented. This computational algorithm was applied in the study of stresses wave propagation produced by an axial impact in a tronconical sho…
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ASPECTS ON THE DESIGN AND IMPLEMENTATION OF A TRACKED MINI-ROBOT WITH ELECTRIC ACTIONING OBTAINED FROM SOLAR ENERGY CAPTURE
Silviu-Mihai PETRIŞOR, Cosmin-Iulian GRIGORAŞ
The authors of this paper wish to highlight elements regarding the organology, functioning and simulation, in a real workspace, of a tracked mini-robot with electric actioning obtained from solar energy capture with a load of explosives attached a technologic…
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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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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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MEANS FOR QUALITATIVE AND QUANTITATIVE DESCRIPTION OF THE CARDIO-PULMONARY SYSTEM OPERATION WITHIN IRREVERSIBLE THERMODYNAMICS WITH FINITE SPEED
Stoian PETRESCU, Monica COSTEA, Liliana TIMOFAN, Valeria PETRESCU
Illness and aging are irreversible processes, which inevitably affects us all. The answers to the questions how, why, and how much irreversible are the cardio-respiratory system processes, will allow improved design of artificial hearts and lungs (vital “spar…
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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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POSSIBLE MEASURES OF TAKING-OVER/ DYNAMIC CONTROL OF SEISMIC ACTIONS APPLICABLE TO URBAN UTILITY SYSTEMS. SEISMIC WAVES DEFLECTION/ DAMPING USING METAMATERIALS
Bogdan UNGUREANU, Gabriela M. ATANASIU, Victoria COTOROBAI
Nowadays, an accurate seismic prediction regarding the date, location and magnitude is still a challenge, thing that implies taking into consideration efficient, preventive, seismic risk management measures, not only for civil buildings but also for urban uti…