البريد الإلكترونى

  
   
استفسار


  
            

Delta Journal of Science Volume 16 (1992) Issue no. 3


CONTENTS


MATHEMATICS

ON THE INFINITY NORM OF THE INVERSE OF DIAGONALLY

Dominant MATRICES. Ahmed Kame1 Khalifa

1

A THREE POINT BOUNDARY VALUE PROBLEll FOR A THIRD

ORDER DIFFERENTIAL EQUATION LA. Gomaa and S. Z. Sakr

19

Physics

ELECTRON BEAll - IlODULATED PLASIlA INTERACTION

I.A. El-Naggar and K.E. Zayed

36

SPECTROSCOPIC STUDY OF ORGANIC AND INORGANIC

CONSTITUENTS OF llALIGNANT BLADDER'S TISSUES

ll. A. lloharram and Janette ll. Ibrahim

45

CHEMISTRY

AZO DYES DERIVED FROll 2- THIOHYDANTOIN PART 1

SYNTHESIS AND SPECTROSCOPIC STUDIES ON SOllE NEW

1- llETHYL -3- PHENY-2- THIOHYDANTOIN AZO DYES

Youssef L. Ali

65

THER1lAL AND ANALYTICAL STUDIES ON Co, Ni, Cu AND Pd

COllPLEXES OF ISATIN ISONICOTINOYL HYDRAZONE

E. El-Shereafy, R.ll. El-Bahnasawy and T.I. Kashar

81

EFFECT OF DOPING llETHOD OF V2 0) ON c03 04/ Ti0 2

SUPPORTED CATALYST CHARACTERISTICS

Hassan, S.A. llekewi, Il.A. and Sadek, S.A.

96

DETER1lINATION OF PROFENOPHOS RESIDUES IN FRESH AND

BLANCHED POTATOES

Il.A. El-Tantawy et al.

114

DETERnINATION OF DII1ETHOATE AND lIALATHION RESIDUES

IN HONEY I.M. EI-Nabarawy

124

GEOLOGY

PETROCHEl1ICALDISCRIlUNATION OF THE GABBROS IN

WADI Ul1 NAR AREA, EASTERN DESERT, EGYPT

Salem, LA. et a1.

131

nICROFACIES ANALYSIS OF THE EOCENE SEDIl1ENTS

SOUTHWEST OF FAID, SUEZ-CANAL ZONE, EGYPT

Kamal. Shamah, Sobhi He lal

177

PETROCHEl1ISTHY OF VOLCANIC ARC l1ETABASALTS BETIIEEN

IlADI KAREIl'I- IlADI ENDIA, EASTERN DESERT, EGYPT

S.lI. Aly et a1.

207

Botany

AOOLICATION OF STEP-IlISE lfilLTIPLE REGRESSION IN

PLANT NUTRIENT STUDIES Salama 1I. El-Darier

229

 

 

EFFECT OF LIGHT SAi.:NiTY ON GRO;.rTH OF SOYBEAN

CALLUS EASABLISHED FROlI ADAPTED AND UNADAPTED

S':'E!! CE:.LS CULTURE Hameda El-Sayed and !I.A. Elhaal:

242

l':O:L.I: OF BICAP.BONATE ON ELECTRON FLO. THRO"JGH

PHOTOSYS~ :: IN PHOTOS\1ITHETIC SO:~ C""S

!atma El-Shintina~~

253

ECOPHYSIOLOOY OF LYGOS RAETAPI IN COASTAL DUNES

OF THE llESTERN DESERT OF EGYPT.

BY Masarrat, M. Migahid

271

TOLERAHCE OF TILAPIA NILOTICA AND T. ZILLIi TO ZINC AND

IIEIl.Cllll.Y UNDER LABORATORY CONDITIONS

BY"Tharwat S. Shenouda"" Fouad A. Abou-Zaid""Abdel-Naeim n.Al-Assiuty

" Ahmed A. Abada

288

ELrrRON I'IICllOSCOPICAL OBSERVATIONS ON THE HEPATOTOXIC

EFFlXTS OF ZIHC ON THE IfILE FISH ORIDCHROI'IIS IfILOTICUS

B..Y Fouad,A. Abo..u-Zaid Tharwat, S. Shenouda Ahmed, E. Abada

307

EEFFXT OF THE HEAT-TREATED NILE SI ..T AND POPULATION DENSITY

ON ACUTE 'toXICITY OF ZINC AND lIERCURY FOR TWO TILAPIA SPP.

BY Abdel-Naeim n. AI-Assiuty Fouad A. Abou-Zaid Faculty of Science,

00 Tharwat S. Shenouda °Ahmed A. Abada

323

BIO!IETRICAL FEATURES OF COmroN CARP (CYPRINUS CARPIO), SILVER

CARP (BYPOPBTHl\lJlICHTHYS !I0LITRIX) AND THEIR F1 HYBRID

BY lIohamed A. Essa

346