العدد 12 الجزء الرابع


Delta Journal of Science Volume 12 (1988) Issue no. 4


CONTENTS


MATHEMATICS

HOMOGENEITY AND SYMMERTRY OF MANIFOLDS PRODUCT.

M. Beltagy &R. Aamer

1279

STRATIFICATION AND PARACOMPACTNESS.

Fatma El-Sayed Moustafa

1292

~- GENERATED PRODUCT TOPOLGIES FOR XxY

Ahmed M. Abd-Allah and Ezzat R.Hassan

1299

FUNCTION SPACES AND Q_GENERATED PRODUCT TOPOLOGIES Ahmed M.Abd-Allah and Ezzat R.Hassan

1321

 

Physics

THEORETICAL PION FORM FACTOR FOR DESCRIBING THE ELASTIC PION-ELECTRON SCATTERING RESULTS. A. M. KHalaf

1338

THE INTERACTING BOSON FERMION MODEL FOR ·ODD MJ\SS ,iUCLEI A. M. Khalaf

1350

MICROSTRUCTURE AND GROWTH OF PALLADIUM THIN FILMS.

M.R.I. Ramadan &A.H. Eid

1359

STUDY OF THE INFLUENCE OF ATOMIC SHELLS STRUCTURE ON THE ELASTIC COLLISIONS IN THE LO\, ENERGY REGION.

M.M. Abtiel-Hady

1377

THE CRYSTAL STRUCTURE OF N-P;;;;:NYL-2-4-6-TRIPHENYL

PYRIDENIUH PERCHLORATE. A.M.Abd c.l-Rahim et a l ,

1389

UNCONVENTIONAL TECHNIQUE FOR MEASURING SOLAR CELL EFFICIENCY. M. R. I. Ramadan

1405

DISLOCATION DYNAMICS IN POLYCRYSTALLINE COPPER

A.A.Aly et a1.

 

CHEMISTRY

SPINEL-PHASE DEVELOPMENT WITH CALCINATION IN CERAMIC PREPARATION OF MANGANESE-ZINC FERRITES.

K.A Alzewel et al.

1405

INFLUENCE OF THE SINTERIHG CONDITIONS'ON TIlE MICROSTRUCTURE AND DENSIFICATION OF MANGANESE-ZINC FERRITES K.A. Alzewel et al.

1417

INTERACTION OF MnCII)-SCHIFF'S BASE COMPLEXES WITH HCL GAS MOLECULES. Sarny M. Abu-EI-Wafa

1450

FORMATION OF Mn(II), Ca(II), Ni(II), and CuCII) COMPLEXES

OF SALICYLIDENE-NICOTONYL AND ISONICOTONYL HYDRAZONES. Sarny M. Abu-EI-Wafa

1462

SEMICONDUCTING INVESTIGATIONS ON L\V205 BRONZE POLYCRYSTALS. E. EI-Shereafy

1473

SYNTHETIC, BIOLOGICAL AND CHELATING BEHAVIOUR OF SOME LC+) TARTARAMIC ACID DERIVATIVES.

Nabaweya Sharaf EI-Din

1486

SPECTRAL BEHAVIOUR OF 2,4- DIHYDROXYBENZOIC ACID IN AQUEOUS SOLUTIONS AND ORGANIZED ASSEMBLIES. R. Harnzah

1499

GEOLOGY

PALEONTOLOGICAL STUDIES ON SOME RECENT AND FOSSIL

ECHINOIDS BELONGING TO FAMILY ECHINIDAE.

A. A. Abdel Aal

1514

CHEMICAL AND STRUCTURAL COMPOSITION OF SOME CENOMANIAN OYSTER SHELLS FROM GEBEL ATAQA, EASTERN DESERT, EGYPT. A . A. Abdel Aal

1528

Botany

SYSTEMATIC SIGNIFICANCE OF THE FLAVONOID CONSTITUENTS IN SOME ACAIA SPECIES. A. Khogali and Weam H. EI-Aggan

1592

ON THE PHYTOCHEMISTRY OF ASTER SQUAMATUS 1. TERPENES AND FLAVONOIDS. M.M.H. Arief.et al.

1605

PRODUCTION OF INVERTASE ENZYME BY A LOCAL STRAIN OF

NEUROSPORA CRASSA. Maher Aboll EI-Hawa

1615

EFFECT OF NITROGEN STARVATION ON NITRATE UPTAKE AND

GROWTH IN TWO VARIETIES OF BARLEY Shehata S.A. et al.

1633

ZOOLOGY

DEVELOPMENT OF TRICHOGRAMMA EVANESCENS (WESTWOOD.) AND ITS HOST SITOTROGA CEREALELLA AT DIFFERENT TEMPERATURE REGIMES.

E.M. Zanaty and Z. Shenishen

1654

EFFECT OF THE REARING HOST ON SOME BIOLOGICAL CHARACTERS OF THE EGG PARASITOID, TRICHOGRAMMA EVANESCENS. E.M. Zanaty

1665

HISTOLOGICAL AND HISTOCHEMICAL EFFECTS OF HYPERTENSION ON MOUSE KIDNEY. Usama A. Sharaf EI-Din

1681

EFFECT OF THE ANTITHYROID DRUG NEOMERCAZOLE ON THE SPERMATO GENESIS IN BUFO REGULARIS. Saber A. Sakr

1693

SPAWNING PECULIARITIES OF TRACHURUS TRACHURUS L. (FAM. CARANGIDAE) IN THE MEDITERANEAN SEA Tharwat S. Shenouda

1711

EFFECT OF CHRONIC DURSBAN INTOXICATION ON GROw'fH RATE AND MACROMOLECu~AR r0MPONENTS (~NA. DNA AND PROTEIN)

OF JUVENILE CATFISH (~larias lazera) Hegazi M.A.M. et al

1724

THREE NEW ORIBATID MITE SPECIES FROM SOILS AT SINAI AND QUENA-EGYPT A.I. Al-Assiuty et al.

1744