Căutare Scientific papers - Annals of "Dunarea de Jos" University of Galati - Analele științifice ale Universității "Dunărea de Jos" din Galați după Titlu

Afișează articolele 1167-1186 of 1845

    • Physico-Chemical Water Treated with Sonic Generatir and Al2(SO4) Coagulant 

      Şerban, Anca; Bordei, Marian; Ciurea, Aurel; Burtea, Mariana Carmen (Universitatea "Dunărea de Jos" din Galaţi, 2012)
      This paper is a study on the problem of using ultrasound in the treatment of raw water. It highlights the effect of ultrasounds produced by the experimental sonic ultrasound generator through the physico-chemical analysis ...

    • Physico-Mechanical Characteristics of Hard Alloys Made Out of Many Carbides 

      Constantinescu, Stela (Universitatea "Dunărea de Jos" din Galați, 2005)
      The Hard alloys of type WC-TiC-Co can be used to process materials with long chips, such as steels [1]. Titanium carbide or TiC-WC solid solutions, added as alloying constituents in the compositions of WC-Co pseudo-alloys ...

    • Pid Self-Tuning Controllers Used in Different Structures of the Control Loops 

      Dugan, Viorel; Dan, Adrian; Ionescu, Clara; Cotrumba, Mirela ("Dunarea de Jos" University of Galati, 2008)
      The paper investigates the behavior of digital PID self-tuning controllers (STC) in different structures of the control loops used in adaptive systems. In the two phases of this type of systems which use a STC-PID, the ...

    • Pill Model for Grid Voltage Reference Reconstruction 

      Epure, Silviu; Belea, Radu ("Dunarea de Jos" University of Galati, 2012)
      In power electronics area, the PLL (Phase Lock Loop) circuit is needed to reconstruct the sinusoidal reference signal used on the APF (active power filters) or grid-tied inverters, starting from the distorted grid voltage. ...

    • Plurality of crime 

      Gălățeanu, Oana (Universitatea ,,Dunărea de Jos" din Galați, 2008-01)
      In front of the paper are found and presented some similarities and difference between criminal law of Romania and the Republic of Moldova on example - plurality of crimes and the crime. To interpret the provisions of ...

    • Policies for Economic Efficiency. Providing utilities in Public Administration 

      Simionescu, Aurel Gabriel; Dragomir, Mariana Carmelia (Universitatea "Dunărea de Jos" din Galaţi, 2014)
      The reality of the contemporary world has shown that there is an increasing interdependent power often turned into political pressure. Today, in Europe 25% of the imports of natural gas come from Russia. Therefore, ...

    • Politica Interesului Național și Mediul Politic Internațional 

      Arat, Gheorghe Teodor (Univeristatea ,,Dunărea de Jos" din Galați, 2007-01)
      Actualitate funcţională a interesului naţional – concept prezent în ştiinţa dreptului şi relaţiilor internaţionale începând din perioada postbelică, promovat de o serie de politologi americani şi britanici permite descifrarea ...

    • Pollutant Emissions, Control and Prevention in the Secondary Copper Industry 

      Ciocan, Anişoara; Baltă, Ştefan (Universitatea "Dunărea de Jos" din Galaţi, 2008)
      This paper presents an analysis of pollutant emissions specifics to copper waste valorization. There are made appreciations of the role and importance which have the characteristics of mixed charge with waste having a ...

    • Possibilistic Networks for Uncertainy Knowledge Processing in Student Diagnosis 

      Cocu, Adina ("Dunarea de Jos" University of Galati, 2006)
      In this paper, a possibilistic network implementation for uncertain knowledge modeling of the diagnostic process is proposed as a means to achieve student diagnosis in intelligent tutoring system. This approach is proposed ...

    • Possibilities and Financing Limits of Romanian Companies by the Share Market 

      Buhociu, Florin; Vîrlănuță, Florina Oana; Moga, Liliana; Ioan, Viorica (Universitas Galatiensis, 2008-01)
      The IT&C sector is one of the most dynamic of Romania’s economy. It is estimated, for instance, that in 2007 800,000 PCs will be sold, almost 33% more than in 2006. Figures showing similar growth trends are also estimated ...

    • Possibilities and Limits of the Quality Integrated Management within the Romanian Companies 

      Şarpe, Daniela; Neculiţă, Mihaela; Mazilescu, Vasile (Universitatea "Dunărea de Jos" din Galaţi, 2006)
      The authors of the paper try to identify the main approaches in the field of the Quality Integrated Management on the Romanian companies’ level, starting with the discussion about the theoretical frame of the topic. The ...

    • Possibilities for Making the Concepts of "Strategic Segment" and "Strategic Group" Become Operational - A Case Study in the Clothing Industry in Romania 

      Avrigeanu, Alina Florentina; Anghel, Flavia Gabriela; Stanga, Elena; Glavan, Bogdan Nicolae (Editura Europlus Galaţi, 2010-01)
      In this paper we formulate possible strategies that may be made to improve the competitive position of companies must take into account the major strategic stakes, opportunities and threats in the environment but also ...

    • Possibilities to Evaluate the Value of the Marangoni Effect and of the Marangoni number in Refining Steel-Slag/Inclusion Systems 

      Niță, Stelian (Universitatea "Dunărea de Jos" din Galați, 2006)
      Starting from the impressive progress in studying the instabilities induced by capillary effects in systems of two immiscible fluids in chemistry, an analysis of factors in solutal Marangoni effect and Marangoni number ...

    • Possibilities to Study the Mixing State and Energy Dissipation in Metallurgical Reactors Using a System Based on Coloured Liquids 

      Niță, Petre Stelian; Vasiliu, Adrian; Bașliu, Vasile (Universitatea "Dunărea de Jos" din Galați, 2005)

    • Postadheration Strategies of the Romanian Companies 

      Dumitriu, Ramona; Ştefănescu, Răzvan (Universitas Galatiensis, 2006-01)
      This paper explores the Romanian enterprises preparations for the adheration to the European Union. It is based on an investigation among twenty executives in which they describe their measures to deal with the changes ...

    • Postbuckling Behaviour of Composite Plates with Imperfections 

      Beznea, Elena-Felicia; Chirică, Ionel; Das, Purnendu K. (UDJG, 2010)
      The aim of the work presented in this paper is to analyze the influence of the imperfections on the changes in the buckling behaviour of ship deck plates made of composite materials. Thus, parametric analysis of the ...

    • Postmodernitatea și proiecția ontologică 

      Ifrim, Nicoleta (Universitatea "Dunărea de Jos" din Galați, 2007-01)
      The postmodern mixure of all kinds of contrasting forms is caused by the constant use of irony, parody, intertext, all joined together in textual spaces that are eclectic with regard to their genre. They become game ...

    • Power Conditioning System Topology For Grid Integration of Wind and Fuel Cell Energy 

      Găiceanu, Marian ("Dunarea de Jos" University of Galati, 2006)
      This paper shows the topology of the hybrid grid-connected power system and the performances of the front-end three-phase power inverter. The renewable sources of the hybrid power system consist of a solid oxide fuel cell ...

    • Power Estimation of Pipeline FFT Processors 

      Talebiyan, S. Reza; Hosseini-Khayat, Saied ("Dunarea de Jos" University of Galati, 2009)
      Pipeline FFT processors are used in mobile communication systems and in particular in OFDM-based systems. This paper presents a method for power analysis of pipeline FFT processors. This method applies to various ...

    • Power Losses Estimation in Precessional Gear 

      Bostan, Ion; Dulgheru, Valeriu; Bodnariuc, Ion (UDJG, 2010)
      Having established the estimation relations of power losses in basic kinematical joints, it becomes relatively simple to establish the estimation relation of kinematical precessional transmission efficiency which, on the ...