العدد 12 الجزء الثالث


Delta Journal of Science Volume 12 (1988) Issue no. 3


CONTENTS


MATHEMATICS

MINKOWSKI SPACE AND ITS FOLDING PLANES

E.M. Elkholy and S.M. Alareefi

838

STRONG EXTENSIONS OF QUASI-MODULAR P-ALEBRAS

S. El-Assar

843

A SPECIA1~ SOLUTION FOR SMALL TIME VALUES OF A DIFFUSION

EQUATION.

Medhat M. Abbassi

852

ON AMODIFIED HYBRID APPROACH FOR SOLVING YECTOR OPTIMIZATION PROBLEMS.

Mohammad L. Hussein

861

ON ATHWART IMMERSIONS INTO EUCLIDEAN SPACE

M. Swealam and S. Moheb

876

SENSITIVITY ANALYSIS OF MIN_MAX CONTINUOUS STATIC GAMES.

Nabila A. Weheba

888

Physics

PENETRATION EFFECTS IN MULTIHOLE COLLIMATORS.

S.A. EL-Kazzaz and B.A. Bishara

905

SYSTEM MODELING AND CHARACTERISTICS OF A HYBRID SOLAR COLLECTOR.

M.R.1. Ramadan

915

EFFECT OF SOURCE SHAPE ON COLLIMATOR SENSITIVITY.

S.A. EI-Kazzaz

938

THE ROOT MEAM SQUARE RADIUS OF THE DEUTERON AND THE

NONLOCALITY OF THE NUCLEON-NUCLEON INTERACTION.

Mustafa M. Mustafa

961

Chemistry

GLYCOL ESTERS: OPTIMIZATION AND EVALUATION OF EMULSI

FYING PROPERTIES.

A.A. Borayi et al.

966

A NOTE ON: USE OF GLUCOSE AND GLUCOSETETRA-ACETATE

IN THE RESOLUTION OF 1-AMINO-2-PROPANOL.

N. Sharaf E1-Din

979

EVALUATION OF POLYGLYCEROL ESTERS AND TIIEIR SULFfTED

DERIVATIVES.

N.O. Shaker et al.

994

Geology

CHEMISTRY OF AMPHIBOLES FROM TIlE GABBROIC ROCKS OF

HAMATA AREA, EASTERN DESERT, EGYPT.

S.M. Aly et al.

1006

Botany

PIGMENT CONTENTS AND PHOTOSYNTHETIC ACTIVITY OF

CHLOROPLASTS ISOLATED FROM BARLEY IRRIGATED WITIl

NUTRIENT MEDIUM PROVIDED WITH SODIUM CARBONATE OR SODIUM NITRATE

Mohamed EI-Anwar H.Osman and EI-Sayed A.M. Hamada

1022

EFFECT OF GROWTH REGULATORS ON SPORE GERMINATION OF DIPODASCOPSIS UNINCULATA.

Esmat EIwy Aly EIwy

1036

EFFECT OF DUPONT BENLATE ON GROWTH PARAMETERS, PROTEIN AND NUCLEIC ACIDS OF SOME FUNGI.

I.M.K. Ismail et al

1056

BIOCIDAL ACTIVITIES OF SOME STREPTOMYCES SFP. ON RICE

LEAF SPOT DISEASE.

EI-Sayed M.A. et al.

1079

INTERACTION BETWEEN SODIUM CHLORIDE AND STREPTOMYCES ATROOLIVACEUS AND THEIR EFFECTS ON MAIZE ( ZEA MAYS L. DIHYBRID 204)

Abd EI-Raheem R. EI-Shanshoury and EI-Sayed A.M. Hamrnada

1096

ZOOLOGY

EFFECT OF DIMETHOATE ON THE ENZYMATIC ACTIVITIES IN THE LIVER OF TOAD (Bufo regu1aris).

A.E. Abo-Shafey and S.A. Sakr

1119

HISTOLOGICAL STUDIES ON THE DIGESTIVE SYSTEM OF THE FAT SAND RAT FSAMMOMYS OBESUS CRETZSCHMAR, 1828.

Fouad A. Abou-Zaid et al.

1141

THE TOXIC EFFECT OF COPPER AND ZINC ON THE LIVER OF

TILAPIA NILOTICA AS REVEALED BY AN ACL~E TEST.

Fouad A. Abou-Zaid et a1.

1167

THE MICROSCOPIC STRUCTURE OF THE ~rucous MEMBRANE AND

1195

Histological and bistochemical  studies on the liver of

Abo Shafy

1225

Effect of some insectcides

1263