JOSA year 19 no. 3 (48)
eISSN 2068-3049

 

CONTENTS

 

 

 

SECTION A – Mathematics

 

 

1.      APPLICATIONS OF THE FERMI-WALKER DERIVATIVE

(Aziz Yazla, Muhammed T. Sariaydin) / 545

2.    DUAL SPHERICAL CURVES OF NATURAL LIFT CURVE AND TANGENT BUNDLES OF UNIT 2-SPHERE

(Mustafa Caliskan, Emel Karaca) / 561

3.     ON THE BOUNDS FOR THE SPECTRAL NORMS OF R-CIRCULANT MATRICES WITH A TYPE OF CATALAN TRIANGLE NUMBERS

(Emrah Polatli) / 575

4.     EXPRESSION OF RECIPROCAL SUM OF GAUSSIAN LUCAS SEQUENCES BY LAMBERT SERIES

(Gul Ozkan Kizilirmak, Dursun Tasci) / 587

5.     SOLUTION OF FRACTIONAL FOKKER PLANCK EQUATION USING FRACTIONAL POWER SERIES METHOD

(Haile Habenom, D.L. Suthar, Mulualem Aychluh) / 593

6.     NUMERICAL INVESTIGATION OF SOME FRACTIONAL INTEGRO-DIFFERENTIAL EQUATIONS VIA A NEW DERIVATIVE APPROACH

(Jamshad Ahmad, Irsa Ghazal, Muhammad Shakeel, Qazi Mahmood Ul Hassan) / 601

7.     PELL POLYNOMIAL APPROACH FOR DIRICHLET PROBLEM RELATED TO PARTIAL DIFFERENTIAL EQUATIONS

(Seda Cayan, Mehmet Sezer) / 613

8.     ON THE MATRIX VERSIONS OF PSEDUO JACOBI POLYNOMIALS

(M. Hidan, Z. Mostefaoui, M. Abdalla) / 629

9.     ON GENERALIZED LUCAS AND PELL-LUCAS SEQUENCES

(Dursun Tasci, Zisan Kusaksiz Tas) / 637

10.     TWO NEW APPLICATIONS OF GENERALIZED (G'/G)- EXPANSION METHOD

(Ibrahim Enam Inan, Unal Ic) / 647



SECTION B – Chemistry

 

 

1.      CHITIN ADSORPTION IN ENVIRONMENTAL MONITORING: NOT AN ALTERNATIVE TO MOSS MONITORING BUT A METHOD PROVIDING (LOTS OF) BONUS INFORMATION

(Stefan Fraenzle, Michael Erler, Felix Blind, Lkhagva Ariuntsetseg, Dashdondog Narangarvuu) / 659

2.      MODELLING OF METHYLENE BLUE DYE ADSORPTION ON BEECH AND FIR WOOD SAWDUST AS ADSORBENT SUPPORT MATERIALS

(Mihaela Luminita Udrea, Rodica-Mariana Ion) / 675

3.      CAPITALIZING OF MARINE RESOURCES FROM THE BLACK SEA BY PREPARATION AND CHARACTERIZATION OF CHITOSAN CRAB PACHYGRAPSUS MORMORATUS

(Alef Ibram, Ana Maria Ionescu) / 687

4.      REMOVAL OF TOXIC MERCURY AND OTHER HEAVY METALS IN CONTAMINATED WATER BY TUBANG BAKOD (JATROPHA CURCAS L.) LATEX

(Venchie Badong, Elizabeth Bayona) / 697

5.      RHEOLOGICAL BEHAVIOR OF BIODEGRADABLE LUBRICANT

(Ioana Stanciu) / 703

6.      CHARACTERIZATION OF HA-AL FILMS OBTAINED BY MAPLE DEPOSITION ON TITANIUM SUBSTRATES

(Luciana Teodora Rotaru, Renata-Maria Varut, Oana Nicolaescu, Anca Enescu, Monica Puticiu, Cristina Florescu, Aurelia Enescu) / 709

7.      ANTIOXIDANT AND ANTIBACTERIAL ACTIVITY OF CYMBOPOGON CITRATUS AND SYZYGIUM AROMATICUM ESSENTIAL OILS ALONE AND IN COMBINATION

(Maricica Stoica, Cristian Dima, Gigi Coman, Petru Alexe, Andra Neagoie) / 715

8.      SILVER NANOPARTICLES BIOSYNTHESIS IN CROP EXTRACTS

(Roxana Vladoiu, Rodica-Mariana Ion, Sofia Teodorescu, Raluca Maria Stirbescu, Ioana-Daniela Dulama) / 723

9.      CROWN ETHERS AND p-tert-BUTYLCALIX[4]ARENE MIXTURES AT THE CHLOROFORM / WATER INTERFACE

(Marius Bumbac, Cristina-Mihaela Nicolescu, Bogdan-Catalin Serban, Octavian Buiu, Mihaela Olteanu, Radu Lucian Olteanu) / 733

10.      ENVIRONMENTAL AND SOCIAL EFFECTS OF MINING EXPLOITATION IN THE SOUTH AREA OF BANAT MOUNTAINS (ROMANIA)

(Gica Pehoiu, Ovidiu Murarescu, Sorina-Geanina Stanescu, Dan-Marius Coman, Mihaela-Denisa Coman) / 743



SECTION C – Physics

 

 

1.      VARIABLE THERMAL CONDUCTIVITY OF MHD TANGENT HYPERBOLIC FLUID FLOW OVER A STRETCHING SHEET

(Asghar Ali, Taimoor Salahuddin, Rashida Hussain, Misbah Maroof) / 753

2.      A PROPOSAL FOR FUZZY NEURAL NETWORK IN GENERALIZED FUZZY NUMBERS FRAMEWORK USING FUNCTION PRINCIPLE

(Dragos Arotaritei, Mariana Rotariu, Mihai Ilea, Marius Turnea) / 765

3.      COMSOL SIMULATIONS OF MAGNETIC FLUX GENERATED BY PERMANENT MAGNETS WITH RING GEOMETRIES

(Asma Samoh, Nuanjuta Niamjan, Chairote Yaiprasert, Yaowarat Sirisathitkul, Chitnarong Sirisathitkul) / 775

4.      MATHEMATICAL MODEL OF SICKNESS DUE TO ALTITUDE DECOMPRESSION USING GENETIC PROGRAMMING. A META-ANALYSIS PERSPECTIVE

(Marius Turnea, Mariana Rotariu, Mihai Ilea, Dragos Arotaritei) / 783

5.      VITAL PARAMETERS MONITORING SYSTEM AND ALERT SIGNAL TRANSMISSION TO EMERGENCY MEDICAL CENTERS

(Ion Vasile, Vicentiu Vasile, Emil Diaconu, Horia Andrei, Nicoleta Angelescu) / 793