Volume 51 (2007)

Contents
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01. LUMINESCENT PROPERTIES OF TiO2: Gd3+, Y3+ OBTAIN THROUGH SOL-GEL AND HYDROTHERMAL METHODS
Pages 1-4
M. Vasile, N. M. Avram, C. Lăzău, P. Vlăzan
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02. CAPILLARY CONDENSATION IN POROUS ALUMINA OBSERVED BY POSITRONIUM LIFE TIME SPECTROSCOPY (PRELIMINARY RESULTS)
Pages 5-8
Eugeniu Ivanov, Ion Vata, Stefan Toderian,Dorin Dudu, Ion Rusen, Nitisor Stefan
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03. DIFFERENCES IN THERMODYNAMIC PROPERTIES OF PHONON NANO-LAYERED CRYSTALLINE STRUCTURES
Pages 9-12
S. K. Jacimovski, J. P. Šetrajcic , V. M. Zoric, D. I. Ilic, B. S. Tošic, V. D. Sajfert
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04. THE STOCHASTIC TREATMENT OF PARALLEL DIFFERENT SPINS
Pages 13-16
Dušan Popov, Vjekoslav Sajfert, Ljiljana Maškovic, Jovan P. Šetrajcic, Bratislav Tošic
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05. ELECTRON-PHONON INTERACTION IN NANO CYLINDER AND SOME CONSEQUENCES
Pages 17-20
Vjekoslav Sajfert, Dušan Popov, Stevo Jacimovski , Sonja Krstic, Bratislav Tošic
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06. SPIN - HAMILTONIAN PARAMETERS OF Cr3+ IONS IN CdIn2S4 CRYSTAL
Pages 21-23
M. Ciresan, M. Stanciu, N. M. Avram
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07. ENERGY LEVEL SCHEMES OF DIVALENT CO IN ZINC AND MAGNESIUM GALLATE
Pages 24-27
M.G. Brik, N.M. Avram, C.N. Avram
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08. THEORETICAL INVESTIGATION OF OPTICAL AND EPR SPECTRA OF Ni2+ IONS DOPED IN RbCdF3 CRYSTAL
Pages 28-31
A. Lucaci, E. Preda, N. M. Avram
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09. EFFECT OF THE SURFACE ORIENTATION ON THE DIELECTRIC SPECTRA OF ErF3 -DOPED CaF2 CRYSTALS
Pages 32-35
Irina Nicoara, M. Munteanu, E. Preda, G. Buse and M. Stef
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10. SOME OPTICAL PROPERTIES OF Yb2+ IONS IN YbF3-DOPED CaF2 CRYSTALS
Pages 36-39
Irina Nicoara, Marius Stef and Andreea Pruna
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11. MORPHOLOGY OF ETCH PITS AND DISLOCATION DENSITY ON (111) SURFACE OF RARE - EARTH DOPED CaF2 CRYSTALS
Pages 40-43
Andreea Pruna, G. Buse, E. Preda and Irina Nicoara
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12. AN ANALYSIS OF QUANTUM CORRECTION OF THE ONE-DIMENSIONAL AND STATIONARY HYDRODYNAMIC MODELS FOR SEMICONDUCTORS
Pages 44-47
Dan Com�nescu, Eugenia Tulcan-Paulescu
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13. NUMERICAL COMPUTATION OF THE PSEUDO-GAUSSIAN QUANTUM WELL LEVELS
Pages 48-51
Paul Gravila, Marius Paulescu, Ion I. Cotaescu
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14. TWO BEAMS DUMB-BELL UNDULATOR ANALOG MODEL
Pages 52-55
S. Micloș, M. I. Rusu, V. I. R. Niculescu, D. Savastru, D. Tenciu, V. Savu, L. Giurgiu
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15. NANOSCALE TRANSPORT DESRIPTION VIA QHD SIMULATION
Pages 56-59
Eugenia Tulcan-Paulescu, Marius Paulescu, Dan Comanescu
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16. TRANSPORT PROPERTIES THROUGH A QUANTUM WIRE ATTACHED TO QUANTUM DOTS
Pages 60-63
D. Racolta
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17. PRELIMINARY STUDIES ABOUT RADON RISK EXPOSURES IN STEI AREA
Pages 64-67
Alexandra Dinu, Tiberius Dicu, Kinga Szacsai, Mircea Moldovan, Constantin Cosma
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18. NON-LINEAR DYNAMICS OF BIOCHEMICAL REACTIONS IN CROWDED MEDIA
Pages 68-71
Dana Craciun, Adriana Isvoran, N. M. Avram
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19. ELECTROHYDRODYNAMIC FILTRATION AND SEPARATION OF NANOPARTICLES USING DIELECTROPHORESIS, PART I: THEORETICAL CONSIDERATIONS REVIEW
Pages 72-75
Mihai Lungu, Lucian Dascalescu
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20. ELECTROHYDRODYNAMIC FILTRATION AND SEPARATION OF NANOPARTICLES USING DIELECTROPHORESIS, PART II: EXPERIMENTAL REVIEW
Pages 76-79
Mihai Lungu, Antoanetta Lungu
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21. A NUMERICAL INVESTIGATION ON P-I-N SOLAR CELLS EFFICIENCY
Pages 80-83
Adrian Neculae, Marius Paulescu, Paul Gravila
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22. MULTI-SCALE SIMULATIONS OF DYE SENSITIZED SOLAR CELL
Pages 84-87
Marius Paulescu, Paul Gravila, Adrian Neculae
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23. SOLAR RADIATION VARIABILITY AND THE OBSERVED TREND IN TEMPERATURE IN CLUJ-NAPOCA� FROM 2004 TO 2007
Pages 88-91
Sandu-Valer TAHª, Dumitru RISTOIU
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24. BEAM DIAGNOSIS AND DYNAMICS IN A HIGH ENERGY MODE OF THE DIADYN LABORATORY EQUIPMENT
Pages 92-96
D. Toader, S. Maghitu, C. Oproiu, O. Marghitu
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25. THE IMPACT OF NON-TARGETED CELLULAR EFFECTS INDUCED BY LOW EXPOSURES OF IONIZING RADIATION ON LUNG CANCER RISK
Pages 97-100
Lucia-Adina Truta-Popa, Werner Hofmann, Constantin Cosma
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26. INTERPRETATION OF THE COMPENSATION EFFECT AS A CONSEQUENCE OF VIBRATIONAL ENERGY TRANSFER IN HOMOGENEOUS AND ISOTROPIC HEAT FIELD
Pages 101-104
Nicolina Pop, Gabriela Vlase, T.Vlase, N. Doca
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27. EFFICIENT RENEWABLE ENERGY SYSTEMS EXPLOIT ON THE AIM OF REDUCING THE ELECTRICITY GENERATION FROM CONVENTIONAL POWER PLANTS
Pages 105-108
S. Fara, D. Finta, M. Iancu, E. Ceangă, I. Munteanu, C. Vlad, A. Bratcu, V. Malihin, Gh. Iorga, M. Scripcariu, I. Bitir Istrate
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28. STEWART PLATFORMS EQUIPPED WITH MAGNETORHEOLOGICAL FLUID DAMPERS
Pages 109-112
A. Boltosi, L. Bereteu, A. Chiriac, R. Nagy
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29. PROSTHESIS AND ORTHOSIS REALIZED WITH SMART FLUID DEVICES
Pages 113-116
L. Bereteu, A. Boltosi, A. Chiriac, R. Nagy
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30. ON THE DYNAMICS OF MOTIONS OF A ROBOT FOR THE ELECTRONIC INDUSTRY
Pages 117-120
A. Chiriac, R. Nagy, L. Bereteu, A. Boltosi
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31. MOTION SIMULATION OF A VIBRATING DEVICE OF CRANK AND CONNECTING-ROD TYPE
Pages 121-124
R. Nagy, A. Chiriac, A. Boltosi, L. Bereteu
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32. FOURIER CORRELATION OF DRĂGAN DAM HORIZONTAL DEFORMATIONS MEASURED TOPOGRAPHICALLY AND BY PHYSICALLY METHODS
Pages 125-128
Alin C. Teușdea, Traian Modog
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33. 3D FACE RECOGNITION WITH JOINT TRANSFORM CORRELATORS
Pages 129-132
Alin C. Teușdea
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34. MAGNETIC LIQUID EFFECT ON PIGMENTS AND NUCLEIC ACIDS IN SUNFLOWER SEEDLINGS
Pages 133-136
C. Astefanoaei, G. Mandru, C. Nadejde, D. Creanga, M. Racuciu
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35. THE INFLUENCE OF DIRECT CURRENT DISCHARGES ON VEGETAL ORGANISMS EXPOSED DURING EARLY ONTOGENETIC STAGES
Pages 137-140
Iuliana Motrescu, C. Astefanoaei, C. Nadejde, D. E. Creanga, G. Stoian
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36. DOPANT CONCENTRATION DISTRIBUTION OF RARE-EARTH DOPED CAF2 CRYSTALS
Pages 141-144
O. Bunoiu, M. Munteanu, E. Preda, I. Nicoara, M. Stef
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37. COBALT FERRITIC NANOPARTICLES OBTAINED BY CHEMICAL COPRECIPITATION AND HYDROTHERMAL METHODS
Pages 145-149
M. Bradiceanu, P. Vlazan, S. Novaconi, I. Grozescu, P. Barvinschi
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