JOSA year 17 no. 4 (41)
eISSN 2068-3049

 

CONTENTS

 

 

 

SECTION A – Mathematics

 

 

1.      STUDY ON INTUITIONISTIC FUZZY BI-IDEALS IN GAMMA NEAR RINGS

(D. Ezhilmaran, A. Dhandapani) / 615

2.    FRACTIONAL INTEGRAL FORMULAS FOR THE MERICHEV- SAIGO MAEDA OPERATORS

(Sweta Agarwal, Anita Alaria) / 625

3.     SOME APPLICATIONS OF YOUNG-TYPE INEQUALITIES FOR OPERATORS AND MATRICES

(Loredana Ciurdariu) / 631

4.     ANALYTICAL TREATMENT OF SINGULAR INTEGRAL EQUATIONS VIA LAPLACE DECOMPOSITION METHOD

(Jamshad Ahmad, Zaraq Bagga Khan) / 641

5.     THE DECOMPOSITION OF SOME ANNIHILATOR POLYNOMIALS FOR LINEAR MAPS IN COPRIME POLYNOMIALS

(Vasile Pop) / 647

6.     SURFACES FAMILY WITH COMMON SMARANDACHE GEODESIC CURVE

(Gulnur Saffak Atalay, Emin Kasap) / 651

7.     THE DISCRIMINANT OF THE SECOND FUNDAMENTAL FORMS UNDER CONNECTION PRESERVING MAP

(Feray Bayar, Ayhan Sarioglugil) / 665

8.     COFINITELY GENERALIZED WEAK SUPPLEMENTED MODULES

(Figen Eryilmaz, Senol Eren) / 673

9.     ON NEW TYPES OF WEAKLY NANO CLOSED FUNCTIONS

(Qays Hatem Imran, Oras B. Jamil, Murtadha M. Abdulkadhim) / 685

10.     NON-INVARIANT HYPERSURFACES OF A NEARLY SASAKIAN MANIFOLD WITH SEMI-SYMMETRIC NON-METRIC CONNECTION

(Shadab Ahmad Khan, Mobin Ahmad, Nikhat Zulekha) / 693

11.     ON SPHERICAL ELASTIC CURVES: SPHERICAL INDICATRIX ELASTIC CURVES

(Gozde Ozkan Tukel, Tunahan Turhan, Ahmet Yucesan) / 699

12.     ENERGY OF DIRECTED GRAPHS

(Serife Buyukkose, Anil Altinkaya) / 707

13.     KIRCHHOFF ELASTIC RODS IN MINKOWSKI 3−SPACE

(Yasemin Soylu, Ahmet Yucesan) / 711

14.     A NEW VERSION OF ENERGY FOR SLANT HELIX WITH BENDING ENERGY IN THE LIE GROUPS

(Talat Korpinar) / 721

15.     THE ROLE OF SOCIAL NETWORKS IN THE EVOLUTION OF ONLINE SALES - STUDY CASE

(Maria-Cristina Stefan, Violeta-Andreea Andreiana, Ioana Panagoret) / 731

16.     USING MARKOV CHAINS TO FORECAST SOCIAL DYSFUNCTIONS AND IMPROVE INDIVIDUAL AND ORGANIZATIONAL PERFORMANCE

(Nicoleta Valentina Florea, Doina Constanta Mihai, Anisoara Duica) / 745

17.     EMPIRICAL MODEL OF ASSESSING FIRM FINANCIAL PERFORMANCE - AN ECONOMETRIC PERSPECTIVE

(Alexandra Danila, Maria-Gabriela Horga, Dan Marius Coman, Mihaela Denisa Coman, Sorina Geanina Stanescu) / 761

 

  

SECTION B – Chemistry

 

 

1.      VISCOSITY INDEX IMPROVERS FOR MULTI-GRADE OIL OF COPOLYMERS POLYETHYLENE-PROPYLENE AND HYDROGENATED POLY (ISOPRENE-CO-STYRENE)

(Ioana Stanciu) / 771

2.      STUDY OF TSP FERTILIZER - PRODUCTION & QUALITY

(N. Chaouqi, M. Bouzziri, M. El Gharous) / 779

3.      MINERAL COMPOSITION OF LAVANDULA ANGUSTIFOLIA FLOWERS AND HIPPOPHAE RHAMNOIDES FRUITS EXTRACTS

(Monica Florescu, Claudia Stihi, Cristiana Radulescu, Ioana Daniela Dulama, Oana Catalina Bute, Raluca Maria Stirbescu, Sofia Teodorescu, Adrian Serban) / 789

4.      CAPITALIZATION OF MARINE RESOURCES FROM BLACK SEA BY OBTAINING AND CHARACTERIZING COLLAGEN FROM GREY MULLET

(Melat Cherim, Gabriela Stanciu, Ergun - Yukmel Rasit, Emin Cadar) / 795

5.      INFLUENCE OF LEAD TOXICITY ON GROWTH AND ANTIOXIDANT ENZYME ACTIVITY FOR SALIX ALBA OFFSHOOTS IN HYDROPONIC CULTURES WITH DIFFERENT LEVELS OF POLLUTANTS

(Marius Bumbac, Gabriela Busuioc, Cristina Mihaela Nicolescu, Anca Irina Gheboianu, Ivona David, Costel Bumbac) / 803

6.      EDUCATION FOR HEALTHY EATING IN THE ACTUAL CURRICULAR CONTEXT - A CASE STUDY

(Gabriela Alina Anghel, Gabriel Gorghiu, Claudia Lavinia Buruleanu, Laura Monica Gorghiu) / 815



SECTION C – Physics

 

 

1.      DIELECTRIC STUDY OF PURE AND INSECTICIDE TREATED RICE SEEDS (ORYZA SATIVA L.)

(Pooja Mishra, Bharat Mishra) / 823

2.      OPTICS OF SINGLE COLD PLASMA FOR PHOTONIC APPLICATIONS

(Prabal P. Singh, Vishal S. Chandel, Khem B. Thapa, Narendra Kumar) / 829

3.      RESEARCH USING ATOMIC METHODS ON MATERIALS USED IN THE MANUFACTURE OF COMPONENTS FOR MEDICAL IMPLANTS

(Veronica Despa, Florina Violeta Anghelina, Dorin Iancu, Carmen Otilia Rusanescu) / 839

4.      MATHEMATICAL CALCULUS FOR ANALOG SIGNAL PROCESSING ALGORITHM OF SENSORS USED IN HOUSEHOLD POWER MONITORING SYSTEM

(Viorel Miron-Alexe, Ion Vasile) / 853

5.      SIMULATION AND MODELING OF BATTERY OPERATION USED IN REAL-TIME MONITORING EQUIPMENTS OF VITAL HUMAN PARAMETERS

(Ion Vasile, Vicentiu Vasile, Viorel Miron-Alexe, Emil Diaconu, Ion Caciula, Horia Andrei) / 861