Articole științifice/Scientific articles: Recent submissions

  • Degradable polymers with inulin content [articol] 
    Rusu, Gerlinde Iuliana; Bandur, Geza-Nicolae; Rusnac, Lucian Mircea; Manoviciu, Ionel; Simon, M.; Joly, N.; Martin, Patrick (Timişoara: Editura Politehnica, 2008)
    Polysaccharide based plastic materials were obtained using modified inulin with methcryloyl and palmitoyl chlorides. These esters were copolymerised with n-butyl acrylate and 2-ethyl hexyl acrylate. The hardness of the ...
  • Features extraction from Romanian vowels using Matlab [articol] 
    Nica, Alina; Căruntu, Alexandru; Toderean, Gavril; Buza, Ovidiu (Timişoara: Editura Politehnica, 2006)
    In this paper we developed in MATLAB a software environment in order to extract the main features from the Romanian vowels, which we intend to use in the synthesis step. We estimated speech parameters such as: energy, zero ...
  • Enhancement of natural organic matter removal from surface water using TiO2-modified zeolite [articol] 
    Raţiu, Cornelia Elena; Orha, Corina Ileana; Sfîrloagă, Paula; Lazău, C.; Manea, Florica; Păcală, A.; Vlaicu, Ilie; Burtică, Georgeta; Grozescu, I. (Timişoara: Editura Politehnica, 2008)
    This study aimed to enhance the removal of humic acids as major part of natural organic matter (NOM) from surface water using TiO2 – modified zeolite (TMZ) suspension. Two types of TMZ granulations were tested, i.e., ...
  • A PFC circuit based on a DCM operated BOOST converter with integration control [articol] 
    Negoiţescu, Dan; Lascu, Dan; Popescu, Viorel (Timişoara: Editura Politehnica, 2006)
    In the present paper is presented a power factor correction circuit based on a DCM operated BOOST converter. The proposed circuit uses an integration control method having the main benefit that it does not need input current ...
  • Pixel-wise masking for watermarking using local standard deviation and wavelet compression [articol] 
    Naforniță, Corina; Isar, Alexandru; Borda, Monica Elena (Timişoara: Editura Politehnica, 2006)
    Perceptual watermarking in the wavelet domain has been proposed for a blind spread spectrum technique, taking into account the noise sensitivity, texture and the luminance content of all the image subbands. In this paper, ...
  • Some properties of semantic sources [articol] 
    Munteanu, Valeriu; Tărniceriu, Daniela (Timişoara: Editura Politehnica, 2006)
    In this paper we derive the quantitative - qualitative entropy an extension of order m of a semantic source, as well as the semantic entropy of discrete ergodic sources with memory. The Kraft inequality and Shannon’s first ...
  • On semantic feature of information [articol] 
    Munteanu, Valeriu; Tărniceriu, Daniela (Timişoara: Editura Politehnica, 2006)
    Beside the objective or quantitative characteristic of a message, appraised by the probability with which it is supplied, its semantic or qualitative characteristic, appraised by a certain utility or importance is, ...
  • Studies regarding the ground water pollution in a rural area [articol] 
    Muntean, Cornelia; Negrea, Petru; Ciopec, Mihaela; Lupa, Lavinia; Ursoiu, Ioan; Gliga, Ramona (Timişoara: Editura Politehnica, 2006)
    The papers presents studies regarding the pollution of the ground water, in a rural area. Samples of drinking water from 10 wells have been analyzed in order to evaluate if their quality was affected as result of farming ...
  • Mononuclear complex of Fe(III) with N, N’-tetra(4-antipyryl-methyl)-1,2 diaminoethane. Synthesis and spectral properties [articol] 
    Moșoarcă, Elena-Maria (Timişoara: Editura Politehnica, 2006)
    The synthesis and spectral properties of a new mononuclear complex of Fe(III) containing the Mannich base N,N’-tetra(4-antipyryl-methyl)-1,2diaminoethane (TAMEN) as ligand, [Fe(TAMEN)](ClO₄)₃⋅6H₂O are presented. The molar ...
  • Microwave planar band-pass filters using defected ground microstrip structures [articol] 
    Militaru, Nicolae; Banciu, Marian Gabriel; Petrescu, Teodor; Lojewski, George Eugen (Timişoara: Editura Politehnica, 2006)
    In this paper a study of some microwave microstrip band-pass filters using defected ground structures (DGS) is presented. It is shown that the presence of a slot in the ground plane can substantially enhance the electric ...
  • Spectral analysis for detecting protein coding regions based on a new numerical representation of DNA [articol] 
    Mereuţă, Şerban (Timişoara: Editura Politehnica, 2006)
    The major signal in coding regions of genomic sequences has a three-base periodicity. By proposing a new numerical representation for the DNA chain, our aim is to use spectral analysis for recognizing the coding regions ...
  • New shape descriptors for quantitative treatment of steric effects. III. A new globularity measure for QSPR/QSAR studies [articol] 
    Medeleanu, Mihai; Ciubotariu, Dan; Ciubotariu, Ciprian (Timişoara: Editura Politehnica, 2006)
    Size and shape of the organic molecules are useful descriptors in QSPR/QSAR studies. Usual characterization of molecular size is based on steric parameters like van der Waals, STERIMOL, Charton or Taft types. The main ...
  • Broadband measurement of the refractive index using microstrip lines [articol] 
    Matekovits, Ladislau; De Sabata, Aldo; Pirinoli, Paola; Orefice, Mario (Timişoara: Editura Politehnica, 2006)
    Measurement methods based on Vector Network Analyzer, for the determination of the refractive index of a medium, are described. The refractive index is obtained from the phase velocity of the radiofrequency signal along a ...
  • Considerations on obtaining diethyl chlorosuccinate [articol] 
    Ștefan, Daniel Florin; Bercean, Vasile Nicolae; Paul, C.; Gruia, A . T. (Timişoara: Editura Politehnica, 2011)
    Anhydrous hydrogen chloride adition to diethyl maleate and maleic anhydride leads to a mixture of diethyl maleate and diethyl chlorosuccinate at a ratio of 5:4, respectively. The products were analysed by gas chromatography ...
  • Microwave-assisted hydrothermal method for synthesis of nanocrystalline anatase TiO2 [articol] 
    Raţiu, Cornelia Elena; Lazău, C.; Dabici, Anamaria; Sfîrloagă, Paula; Vaszilcsin, Nicolae; Grozescu, I.; Tiponuţ, Virgil (Timişoara: Editura Politehnica, 2011)
    The main objective of this study is the synthesis and characterization of nanocrystalline anatase TiO2 in microwave-assisted hydrothermal conditions. The synthesis was successfully performed in a microwave reaction system, ...
  • Spectral analysis of diisopropylidenated monosaccharides ; Low energy EI-MS fragmentation study [articol] 
    Pascariu, Mihai-Cosmin; Şişu, E.; Ordodi, Valentin Laurenţiu; Rusnac, Lucian Mircea (Timişoara: Editura Politehnica, 2011)
    Five diisopropylidenated monosaccharides, namely 1,2:5,6-di-O-isopropylidene-α-D-glucofuranose, 2,3:5,6-di-O-isopropylidene-α-D-mannofuranose, 1,2:3,4-di-O-isopropylidene-α-D-galactopyranose, 2,3:4,5-di-O-isopropylidene- ...
  • Quality control of pastry products using the HACCP method [articol] 
    Panfiloiu, Mirabela; Cara, Monica Cristina; Perju, Delia Maria; Dumitrel, Gabriela-Alina (Timişoara: Editura Politehnica, 2011)
    HACCP is a procedure that companies have to apply in order to protect the quality of food products. The purpose of this paper is to describe the critical points in which hazard can come to light in the production process, ...
  • Evolution of cadastral register in Banat [articol] 
    Nemeş, Iacob (Timişoara: Editura Politehnica, 2011)
    This paper presents the evolution of cadastral register in Banat, with examples from a cadastral register of Timisoara City, Timis County. Real estate advertising in Romania is met by the cadastral register and based on ...
  • Experimental and modelling studies on As(III) removal from aqueous medium on fixed bed column [articol] 
    Negrea, Adina; Lupa, Lavinia Afrodita; Ciopec, Elvira-Mihaela; Negrea, Petru (Timişoara: Editura Politehnica, 2011)
    A continuous adsorption study in a fixed-bed column was carried out by using IS:sand mixture as an adsorbent for the removal of As(III) from aqueous solution. The column experiments were conducted to study the effect of ...
  • Adsorption characteristic of As(V) onto Fe-XAD7-DEHPA resin [articol] 
    Negrea, Adina; Ciopec, Elvira-Mihaela; Davidescu, Corneliu Mircea; Lupa, Lavinia Afrodita; Negrea, Petru; Popa, A. (Timişoara: Editura Politehnica, 2011)
    The adsorption performance of a polymeric resin was evaluated in the removal process of As(V) from aqueous solutions. The studied resin was an Amberlite XAD7 which was impregnated with di(2-ethylhexyl) phosphoric acid ...

Search DSpace


Advanced Search

Browse

My Account