JOSA year 11 no.3 (16)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. COMMUTATIVITY OF SEMI NEAR RINGS

(Volety V.S. Ramachandram) / 367

2. INTEGRAL INEQUALITIES

(Loredana Ciurdariu) / 369

3. INEQUALITIES IN TRIANGLE

(Ovidiu T. Pop, Nicusor Minculete, Mihály Bencze) / 377

4. SOME SEQUENCES THAT CONVERGE TO A GENERALIZATION OF EULER'S CONSTANT

(Alina Sintamarian) / 383

5. VARIOUS SPACES FOR BANACH SPACE VALUED POTENTIAL HANKEL TRANSFORM

(Nanda D. Sahu, Alka S. Gudadhe) / 389

6. THE MATHEMATICAL ANALYSIS OF ULTRASONIC WAVES PROPAGATION APLICATED TO REALIZATION OF HIGH POWER PIEZOELECTRIC TRANSDUCERS

(Grigore Liviu Odobescu) / 395

7. ON THE MIRAKJAN-FAVARD-SZÁSZ BIVARIATE APPROXIMATION FORMULA

(Dan Miclaus) / 405

8. ON A PROPERTY OF THE SPLINE FUNCTIONS

(Adrian Branga, Eugen Constantinescu) / 413

9. ON BILATERAL GENERATING FUNCTIONS OF MODIFIED JACOBI POLYNOMIALS BY GROUP THEORETIC METHOD

(Arabinda Das, Asit Kumar Chongdar) / 417

10. ON A CLASS OF SUBMANIFOLDS OF A KENMOTSU MANIFOLD

(Maria Cirnu) / 425

11. A NOTE ON TOTAL GLOBAL DOMINATION OF A GRAPH

(Yanamandram B. Venkatakrishnan, Venkata Swaminathan) / 431

12. STUDY OF THE FINITE FINAL POINT OPTIMAL CONTROL PROBLEM

(Nina Dragoescu (Cazacu)) / 433

13. INVOLUTE CURVES OF BIHARMONIC CURVES IN

(Talat Korpinar, Vedat Asil, Essin Turhan) / 441

14. BINARY OPERATIONS ASSOCIABLE WITH A GROUP OPERATION

(Vasile Pop) / 447

15. THE TOPOLOGY OF THE SPACES OF MELLIN WHITTAKER TRANSFORMABLE DISTRIBUTIONS

(R. V. Kene, Alka S. Gudadhe) / 453

16. AN INTERESTING DIOPHANTINE EQUATION

(Marina Toma) / 459

SECTION B – Chemistry

1. VISCOSITY INDEX OF RAPESEED OIL

(Ioana Stanciu) / 463

2. ON THE MAGNETORESISTANCE OF COBALT BASED MAGNETORESISTIVE STRUCTURES

(Ikem I. Uba, Azubike J. Ekpunobi, Peter I. Ekwo) / 467

3. EFFECT OF ZINC SUPPLEMETATION ON GROWTH, BIOCHEMICAL PROCESS AND YIELD IN ZEA MAYS

(Andrei Chilian, Ion V. Popescu, Cristiana Radulescu, Gh. Valerica Cimpoca, Roxana Bancuta, Iulian Bancuta, Anca Gheboianu) / 471

4. RHEOLOGICAL PROPERTIES OF MINERAL OIL

(Ioana Stanciu) / 487

5. APPLYING NEW SCIENTOMETRIC INDICATORS TO EVALUATE THE SCIENTIFIC PERFORMANCE OF CHEMISTRY GROUP FROM VALACHIA UNIVERSITY OF TARGOVISTE

(Silviu Jipa, Laura Monica Gorghiu, Crinela Dumitrescu, Calin Oros) / 491

SECTION C – Physics

1. BASICS OF SPIN WAVE THEORY

(Sylvain Petit) / 499

2. BASIC CONCEPTS ON MAGNETIZATION REVERSAL IN NANOSTRUCTURES: MAGNETIC FIELD AND TEMPERATURE INFLUENCE

(Stanislas Rohart) / 501

3. QUANTUM TUNNELLING AND MAGNETIZATION DYNAMICS IN LOW DIMENSIONAL SYSTEMS

(Andrea Cornia) / 505

4. MAGNETORESISTANCE-TEMPERATURE RELATIONSHIP: CALCULUS OF VARIATION APPROACH

(Ikem I. Uba, Azubike J. Ekpunobi, Peter I. Ekwo) / 509

SECTION D – Arts

1. THE USE OF ABSTRACT IMAGES IN ADVERTISING DESIGN "A STUDY OF REQUIREMENTS & IMPACT"

(Doaa Farouk Badawy Eldesouky) / 513