JOSA year 15 no. 1 (30)
eISSN 2068-3049

CONTENTS

SECTION A – Mathematics

1. EXACT SOLUTION OF WHITHAM-BROER-KAUP SHALLOW WATER WAVE EQUATIONS

(Jamshad Ahmad, Mariyam Mushtaq, Nadeem Sajjad) / 5

2. A TWO SIDED ESTIMATE OF REVISITED

(Mohammed Mesk) / 13

3. SOME IDENTITIES AND INEQUALITIES ON TRIANGLES

(Dam Van Nhi, Pham Minh Phuong, Tran Trung Tinh) / 19

4. SOLVING THE KLEIN-GORDON EQUATIONS VIA DIFFERENTIAL TRANSFORM METHOD

(Jamshad Ahmad, Sana Bajwa, Iffat Siddique) / 33

5. THE NATURAL LIFT CURVE OF THE SPHERICAL INDICATRIX OF A SPACELIKE CURVE IN MINKOWSKI 4-SPACE

(Evren Ergün, Mustafa Bilici, Mustafa Çaliskan) / 39

6. CONTINUOUS FRACTIONAL GENERALIZED HANKEL-CLIFFORD TRANSFORMATION

(V. R. Lakshmi Gorty) / 55

SECTION B – Chemistry

1. SRUCTURAL HARDENING MECHANISM OF LEAD-CADMIUM-BISMUTH-TIN ALLOYS FOR BATTERY GRIDS

(S. Saissi, K. Marbouh, L. Zerrouk, A. Ibnlfassi, A. Jourani, Y. Ait Yassine, L. Bouirden, M. Rattal, E. Saad) / 73

SECTION C – Physics

1. UNSTEADY MHD FREE CONVECTION VISCOUS DISSIPATIVE FLOW PAST AN INFINITE VERTICAL PLATE WITH CONSTANT SUCTION AND HEAT SOURCE / SINK

(Murali Gundagani) / 89

2. SORET AND DUFOUR EFFECTS ON UNSTEADY HYDROMAGNETIC FREE CONVECTIVE FLUID FLOW PAST AN INFINITE VERTICAL POROUS PLATE IN THE PRESENCE OF CHEMICAL REACTION

(N.V.N Babu, Ajit Paul, Murali Gundagani) / 99