العدد19 الجزء الثانى


Delta Journal of Science Volume 19 (1992) Issue no. 2


CONTENTS


MATHEMATICS

ON THE DISTRIBUTIVE DOUBLE p-ALGEBRAS WHOSE

CONGRUENCE LATIICES ARE CHAINS S.EI-Assar and M. Atallah

1

FUZZY ALMOST SEMICONTINUOUS MAPPINGS . S. Thakur and R. K. Saraf

36

EXTENSIONS OF FUZZY SYNTOPOGENOUS SPACES

Osama A. H. EI-Tantawy

48

THE CHARACTERISTIC OF A SPHERICAL ELECTROSTATIC

.' .P OBE IMMERSED IN A QUISCENT DENSE PLASMA ACTED

UPON BY A MAGNETIC FIELD A del-Aziz et ale

71

IC (i,j),Ay -BITOPOLOGICal CONCEPTS A. M. Kozae and B. M. Taber

84

Physics

ASER SCATIERING SYSTEM FOR INVESTIGATING THE AEROSOL PARTICLE SIZES AND NEBULIZERS EFFICIENCY Hashem et ale

102

CHEMISTRY

SYNTHESIS OF SOME NEW THIADIAZINE-l, 1- DIOXIDE DERIVATIVES

Nabaweya Sharaf EI-Din

115

ON STEEL ELECTRODES EI-Sabbah

142

GEOLOGY

GEOCHEMISTRY AND PETROGENESIS OF THE GRANITOID

ROCKS OF GEBEL ABU MURRAT AREA, NORTH EASTERN

DESERT, EgYPT Abdel Ghani et ale

156

INTERPRETATION OF AIRBORN RADIOMETRIC AND

MAGNETIC DATA IN THE WADI MILLAHA AREA,

NORTH EASTERN DESERT, EGYPT Meleik et al.

187

Botany

ECOPHYSIOL GICAL STUDY ON EUPHORBIA PARALIIAS L.

tINDER SOIL SALINITY AND SEA WATER SPRAY Elhaak et al.

208

COMBINED EFFECT OF LIPIDS, TEMPERATURE AND CULTURE

AGE ON GROWTH AND LIPASE PRODUCTION BY SOME FUNGI

Metwallyet ale

233

DEGRADATION OF META-CRESOL BY IMMOBILIZED BACILLUS

LATEROSPORUS CELLS IN SEMICONTINUOUS AND CONTINUOUS

CULTURES EI-Assar et ale

250