JOSA year 10 no.2 (13)
eISSN 2068-3049


CONTENTS

 

SECTION A – Mathematics

 

1.      NUMERAL SYSTEMS OF GREAT ANCIENT HUMAN CIVILIZATIONS

      (Neeraj Anant Pande) / 209

2.      THE STRUCTURAL INFLUENCE OF THE FORCES ON THE STABILITY OF DYNAMICAL SYSTEMS

      (Mircea Lupu) / 223

3.      ON THE IMAGES OF SOME OPEN SETS HAVING THE NON-EMPTY INTERSECTION PROPERTY

      (Dinu Teodorescu) / 231

4.      A GENERALIZATION OF BERGSTROM AND RADON'S INEQUALITIES IN PSEUDO-HILBERT SPACES

      (Loredana Ciurdariu) / 233

5.      NEW BOUNDS FOR A CONVERGENCE BY DETEMPLE

      (Cristinel Mortici) / 239

6.      ON THE INVERSE PROBLEM FOR AN AVERAGED OPERATOR IN HILBERT SPACES

      (Dinu Teodorescu) / 243

7.      USE OF THE MEDIAN IN THE ANALYSIS OF EXPERIMENTAL DATA

      (Enric Leon Grigorescu, Camelia Avadanei) / 245

8.      BIOLOGICAL CONTINOUS MODELS. THE OPTIMALITY OF THE LOTKA-VOLTERRA MODEL

      (Nina Dragoescu Cazacu) / 251

9.      THE VORONOVSKAJA TYPE THEOREM FOR THE SZÁSZ-MIRAKJAN-KANTOROVICH OPERATORS

      (Dan Miclaus) / 257

10.   ABOUT A TECHNIQUE OF SOLVING SOME DIFFERENTIAL STOCHASTIC ITÔ EQUATIONS

      (Doina-Constanta Mihai) / 261

11.   THE HYERS-ULAM STABILITY OF SOME FUNCTIONAL EQUATIONS DEFINED BY MEANS

      (Vasile Pop) / 265

12.   ON A CONVERGENCE BY DETEMPLE

      (Chao-Ping Chen, Cristinel Mortici) / 271

13.   LOCALLY AFFINE FUNCTIONS

      (Corneliu Udrea) / 273

 

SECTION B - Chemistry

 

1.      THE DYNAMICS OF TRACE ELEMENTS IN DNIESTER RIVER ECOSYSTEMS

      (Elena Zubcov, Natalia Zubcov, Antoaneta Ene, Nina Bagrin, Lucia Biletchi) / 281

2.      DOSIMETRIC FEATURES OF NATURAL FLUORITE FROM ROMANIA

      (Madalina Nedelcu, Corneliu Podina, Silviu Jipa, Radu Setnescu, Tanta Setnescu, Laura Monica Gorghiu, Crinela Dumitrescu, Ion V. Popescu, Calin Oros, Traian Zaharescu, Adrian Mantsch, Wilhelm Kappel) / 287

3.      INTER-ELEMENT RELATIONSHIPS FOR SOILS AROUND A FERROUS METALLURGICAL PLANT

      (Antoaneta Ene, Alina Bosneaga) / 293

4.      SOME ASPECTS REGARDING NOISE EXPOSURE DOSE MONITORING FOR WORKING PERSONNEL

      (Mihaela Picu, Silviu Nastac) / 299

5.      PARTICULAR ASPECTS RELATED TO THE MEMDUR APPLICATION INTERFACE

      (Gabriel Gorghiu, Catalin Ristea, Carmen Leane Nicolescu, Mihai Bizoi) / 305

6.      STUDIES REGARDING THE FORMATION AND TEMPORAL DYNAMICS OF BACTERIAL BIOFILMS ON THE HYDROPHILE SURFACE OF GLASS IN STATIC AND DYNAMIC CONDITIONS

(Aurelia Manuela Moldoveanu, Ioan I. Ardelean) / 313

7.      ON VIBRATION EXPOSURE MONITORING AT INDUSTRIAL INTENSIVE POLLUTANT AREAS

(Carmen Debelac, Silviu Nastac) / 319

8.      SYNTHESIS AND CHARACTERIZATION OF CATIO3PR FILMS

(Constantin Gheorghies, Onut Valeriu Atanasiu, Alina Cantaragiu, Livia Gheorghies) / 327

9.      EXPLICIT APPLICATION OF SWANEPOEL'S METHOD FOR THE ANALYSIS OF SB2O3 FILMS

(Simona Condurache-Bota, Nicolae Tigau, Romana Drasovean) / 335

10.  DETECTION OF AFLATOXIN USING QUARTZ CRYSTAL MICROBALANCE

      (Ioana Dulama, Ion V. Popescu, Valerica Cimpoca, Cristiana Radulescu, Anca Gheboianu) / 341

 

 

SECTION C - Physics

 

1.      ULTRASONIC PROPERTIES OF ANCIENT CERAMIC MATERIALS WITH POROUS STRUCTURE

      (Luminita Moraru, Florica Szendrei) / 345

2.      ANALYSIS OF BEAMFORMING FROM VARIOUS TRANSDUCER SHAPE

      (Luminita Moraru, Laura Onose) / 349

3.      STUDY ABOUT EVALUATION OF HUMAN EXPOSURE TO HAND-TRANSMITTED VIBRATION

      (Ana Picu) / 355

4.      INVESTIGATION OF OPTICAL PROPERTIES OF SB2S3 THIN FILMS

      (Nicolae Tigau, Simona Condurache-Bota, Romana Drasovean) / 361

5.      DE-NOISING KIDNEY ULTRASOUND ANALYSIS USING HAAR WAVELETS

      (Simona Moldovanu, Luminita Moraru) / 365

6.      REVIEW OF NUCLEAR TECHNOLOGICAL TRANSFER AS SUPPORT OF THE BEST FUTURE PERFORMANCE

      (Laura Radulescu, Margarit Pavelescu) / 371

7.      STRUCTURAL AND ELECTRICAL CHARACTERIZATION OF COBALT OXIDE SEMICONDUCTORS

      (Romana Drasovean, Simona Condurache-Bota, Nicolae Tigau) / 379

8.      ENERGY DISPERSIVE X-RAY FLUORESCENCE (EDXRF) ANALYSIS OF STEELS

      (Lucica Grigora Toma, Rodica Mariana Ion, Radu Claudiu Fierascu, Nelu Ion, Ileana Nicoleta Popescu) / 385

9.      INTERACTION OF ULTRASOUND WITH BIOLOGICAL MATERIALS

(Luminita Moraru, Mariana Carmen Nicolae) / 391

10.  THE POSSIBILITY TO USE A NUCLEAR REACTOR AS SOURCE OF ENERGY FOR A JET ENGINE

(Bogdan Mitrica, Virgil Stanciu, Marian Petre, Mihai Octavian Dima, Dorina Aranghel, Carmelia Petre, Chivuta Ramona Badita) / 397

11.  CLASSICAL AND QUANTUM COMMUNICATIONS IN GRID COMPUTING

(Mihai Octavian Dima, Marian Petre, Dorina Aranghel, Bogdan Mitrica, Mihnea Dulea, Carmelia Petre, Mihaela Stoica, Mircea Udrea, Rodica Sterian, Paul Sterian, Chivuta Ramona Badita) / 403

12.  ELECTRON TRANSPORT CHARACTERISTICS OF 6H-SIC AND 4H-SIC FOR HIGH TEMPERATURE DEVICE MODELING

(Hadi Arabshahi, Mahmood Rezaee Rokn-Abadi) / 409