JOSA year 13 no. 1 (22)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. A NEW INEQUALITY AND IDENTITY

(Dam Van Nhi) / 5

2. ON THE UNIFICATION OF A CLASS OF TRILATERAL GENERATING RELATIONS WITH TCHEBYCHEFF POLYNOMIALS FOR CERTAIN SPECIAL FUNCTION³

(Asit Kumar Chongdar, Chandra Sekhar Bera) / 17

3. SOME GENERALIZATIONS OF IONESCU-WEITZENBÖCK 'S INEQUALITY

(Dumitru M. Batinetu-Giurgiu , Neculai Stanciu) / 27

4. SOME CONSEQUENCES OF DRIMBE INEQUALITY

(Mihály Bencze, Marius Dragan) / 33

5. SOME GEOMETRIC INEQUALITIES OF IONESCU-WEITZENBÖCK TYPE IN TRIANGLE

(Dumitru M. Batinetu-Giurgiu , Neculai Stanciu) / 45

6. ON THE SPEED OF CONVERGENCE OF THE SEQUENCES

(Andrei Vernescu) / 53

SECTION B – Chemistry

1. DILL EXTRACT AS GREEN INHIBITOR FOR THE CORROSION OF CARBON STEEL IN H₃PO₄ SOLUTION

(Kamal Shalabi, Abdelaziz S. Fouda, Ayman Y. El-Khateeb, Nehal M. Salem) / 61

2. VISCOSITY IMPROVERS FOR SOLUTIONS COPOLYMER ETHYLENE PROPYLENE IN OIL SAE 10W-40

(Ioana Stanciu) / 73

3. NEW RHEOLOGICAL MODELS FOR MINERAL OIL

(Ioana Stanciu) / 77

4. ACADEMIC CHEMISTRY IN ROMANIA – SOME SCIENTIFIC RESULTS

(Silviu Jipa, Laura Monica Gorghiu, Crinela Dumitrescu, Calin Oros) / 81

5. PLEADING FOR AN INTEGRATED CURRICULUM

(Luminita Mihaela Draghicescu , Gabriel Gorghiu, Laura Monica Gorghiu3, Ana-Maria Petrescu) / 89

SECTION C – Physics

1. EXACT SOLUTIONS OF AN UNSTEADY CONDUCTING DUSTY FLUID FLOW BETWEEN NON-TORSIONAL OSCILLATING PLATE AND A LONG WAVY WALL

(P. Venkatesh , B.C. Prasanna Kumara) / 97

2. ANALYSIS THE ENTANGLEMENT IN THE ONE DIMENSIONAL KONDO NECKLACE MODEL

(Somayeh Gholami Matehkolaee) / 107