JOSA year 20 no. 1 (50)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. THE TAN(F(z)/2)-EXPANSION METHOD FOR THE SOME TRAVELING WAVE SOLUTIONS OF THE (2+1)-DIMENSIONAL BURGERS EQUATION

(Unal Ic) / 5

2. PARALLEL TRANSPORTS WITH RESPECT TO FRENET AND DARBOUX FRAMES IN THE GALILEAN SPACE

(Tevfik Sahin, Fatma Karakus, Keziban Orbay) / 13

3. A GENERAL EXPONENTIAL FAMILY OF ESTIMATORS FOR POPULATION MEAN USING AUXILIARY ATTRIBUTE

(Subhash Kumar Yadav, Tolga Zaman) / 25

4. NUMERICAL SOLUTION OF INTEGRAL EQUATION USING GALERKIN METHOD WITH HERMITE, CHEBYSHEV & ORTHOGONAL POLYNOMIALS

(Najmuddin Ahmad, Balmukund Singh) / 35

5. ON INEXTENSIBLE FLOWS OF BISHOP SPHERICAL IMAGES WITH TYPE-2 BISHOP FRAME

(Talat Korpinar, Vedat Asil, Zeliha Korpinar) / 43

6. ON THE HARMONIC EVOLUTE SURFACES OF QUASI NORMAL SURFACES

(Talat Korpinar, Gul Ugur Kaymanli) / 55

7. CONSTRUCTION OF SYMMETRIC FUNCTIONS OF GENERALIZED TRIBONACCI NUMBERS

(Mourad Chelgham, Ali Boussayoud) / 65

8. BI-PERIODIC BALANCING NUMBERS

(Dursun Tasci, Emre Sevgi) / 75

9. SOME CHARACTERIZATIONS OF M ̅-GEODESIC SPRAY AND M ̅-INTEGRAL CURVE IN DUAL SPACE

(Yagmur Akbaba, Mustafa Caliskan, Anil Altinkaya) / 85

10. PATHWAY FRACTIONAL FORMULA AND INTEGRAL INVOLVING INCOMPLETE H-FUNCTION

(Narendra S. Solanki, Shoukat Ali, Mukesh M. Joshi) / 91

11. A SHORT NOTE ON AVI CIRCLE

(Dasari Naga Vijay Krishna) / 97

12. DEVELOPED MOTION OF ROBOT END-EFFECTOR OF TIMELIKE RULED SURFACES WITH SPACELIKE RULINGS (THE SECOND CASE)

(Gulnur Saffak Atalay, Emin Kasap) / 103

13. MATHEMATICAL ANALYSIS OF TB MODEL

(Asghar Ali, Mohammad Munir, Rashida Hussain, Sajida Aziz) / 119

14. APPLICATION OF RESPONSE SURFACE METHODS TO DETERMINE CONDITION FOR POPULATION DOUBLING LEVEL PREDICTION

(Rabiatul Adawiyah Abdul Rohim, Norhayati Yusop, Wan Muhamad Amir W. Ahmad) / 129

SECTION B – Chemistry

1. ANTIBACTERIAL PROPERTY AND MOLECULAR DOCKING STUDIES OF TAMARIX RAMOSISSIMA PLANT EXTRACT

(Luciana Teodora Rotaru, Renata Varut) / 135

2. AN ANALYTICAL STUDY OF GRANITIC PICTOGRAPHS AND PETROGLYPHS IN THE OPEN AIR SITE, SOUTH EGYPT

(Abd El-Hakim A. El- Badry, Mona F. Ali, Nasser G. Abd El-Ghafour) / 143

3. CHARACTERIZATION OF SEVERAL ROMANIAN WINES FROM THE DOBRUDJA HILLS REGION

(Alina Soceanu, Simona Dobrinas, Viorica Popescu, Anca Sirbu, Natalia Manea) / 155

4. CORRELATION OF POLYPHENOLIC COMPOUNDS STRUCTURAL PROPERTIES WITH THEIR ANTIOXIDANT CAPACITY

(Cristina Florescu, Luciana Teodora Rotaru, Marius Novac, Octavian Istratoaie) / 163

5. SUPERHYDROPHOBIC COATINGS BASED ON CELLULOSE ACETATE FOR PINEWOOD PRESERVATION

(Madalina Elena David, Rodica-Mariana Ion, Elena Ramona Andrei, Ramona Marina Grigorescu, Lorena Iancu, Mircea Ioan Filipescu) / 171

6. ASSESSMENT OF RHEOLOGICAL BEHAVIORS OF COCONUT OIL

(Ioana Stanciu) / 183

7. HEALTH RISK ASSESSMENT OF HEAVY METALS IN DRINKING WATERS

(Narcis Mihai Tanase, Alin Georgian Barboiu, Ion V. Popescu, Cristiana Radulescu, Ioan Alin Bucurica, Ioana Daniela Dulama, Ion Vasile) / 187

SECTION C – Physics

1. ANALYTICAL CALCULATION OF TEMPERATURE DEPENDENCE OF THE LORENZ NUMBER IN SEMICONDUCTORS

(Ebru Copuroglu, Tural Mehmetoglu, I.M. Askerov, Alper Aslan) / 197

2. THE INFLUENCE OF THE SOLAR THERMAL COLLECTORS INTEGRATED INTO THE BUILDING FAÇADE ON THE BUILDING THERMAL ENERGY DEMAND ACROSS EUROPE

(Macedon Moldovan, Ion Visa, Ioana Denisa Rusea) / 203

3. SIMULATED vs. PRODUCED ELECTRICAL ENERGY OF A 9.6 KWP PV SYSTEM INSTALLED IN A TEMPERATE MOUNTAIN CLIMATE

(Bogdan G. Burduhos, Ion Visa, Mircea Neagoe, Nadia R. Cretescu) / 215

4. EXPERIMENTAL STUDY OF THE PERFORMANCE AND PREDICTION OF CAVITATION PHENOMENON FOR A VARIABLE SPEED CENTRIFUGAL PUMP

(Ammar Almaslamani, Mihaela Constantin, Nicolae Baran, Mariana Mirela Stoican (Prisecaru)) / 225