CONTENTS
MATHEMATICS
PAIRWISE ~-REGULAR SPACES E.F. Lashien
1
ON THE ORDER AND LOGARITHMIC ORDER OF ENTIRE
FUNCTIONS AND OF BASIC SETS OF POLYNOMIALS IN
EQUIPOLYCYLINDERS S.Z. Me1ek
10
ON THE NORMAL SOLVABILITY OF SOME SYSTEMS OF LINEAR
DIFFERENTIAL EQUATIONS WITH UNBOUNDED COEFFICIENTS
Labib R. Awad
21
Physics
ON THE INFLUENCE OF EXTERNAL PERIODIC FORCES ON
NON-LINEAR LONGITUDINAL OSCILLATION IN THERMAL INHOMOGENEOUS PLASMA I. A. EL-Naggar
34
ELECTRICAL CHARACTERISTICS OF THIN FILMS OF IRON
PHTllALOCYANINE DISPERSED IN POLYCARBONATE
H. M. E1- Labany
46
HARDWARE IMPLEMENTATION FOR ARABIC CHARACTER
RECOGNITION M. Abde1 Meged et al.
55
CHEMISTRY
COBALT (II) AND NICKEL (II) COMPLEXES OF
4- AMINOSALICYLIC ACID SCHIFF BASES K.Y. E1- Baradie
72
LIQUID CHROMATOGRAPHIC SEPARATION OF THE
N-3,S-DINITROBENZOYL DERIVATIVES OF THE ENANTIOMERS
OF RACEMIC ~-ALKYL ARYLAMINES Adel I. Selim*
82
EFFECT OF LIGANDS ON THE ELIMINATION OF LEAD IONS
FROM WATER BY ADSORPTION ON ALUMINIUM OXIDE
Hussein M. Abde1-Fattah
97
10-PREPARATION AND APPLICATION OF SOME NEW AZO DYES
CONTAINING PYRAZOLONE NUCLEUS E1-Saied A. A1y et a1.
110
Botany
II-THE INFLUENCE OF TEMPERATURE ON PHENOLOGY, GROWTH AND YIELD OF PISUM SATIV~I L. F.G.M.A. Khadre
122
RESPONSE OF FOUR SOYBEAN CULTIVARS TO INOCULATION
WITH BRADYRHIZOBIl~ JAPONICUM Maher Abou E1-Hawa
145
TRITERPENOIDS AND GLYCOSIDES OF THE SUMMER LEAVES
OF REA~IA HIRTELLA H.Y. Olama
160
PATULIN PRODUCTION OF PENICILLIUM DIGITATUM IN
CITRUS FRUITS AS AFFECTED BY GAMMA IRRADIATION
COMBINED WITH HEAT Maher Abou E1-Hawa
172
ZOOLOGY
STUDIES ON THE MASS PRODUCTION OF NILE TILAPIA,
OREOCHROMIS NILOTICUS, FRY IN CONCRETE BASINS
Mohamed A. Essa
183
THE LENGTH-WEIGHT RELATIONSHIP AND CQNDITION
FACTOR OF CLARIAS LAZERA (Cuv.& Val., 1840) FROM
THE RIVER NILE Tharwast S. Shenouda, Magdi E. Mahfouz
196