البريد الإلكترونى

  
   
استفسار


  
            

Delta Journal of Science Volume 12 (1988) Issue no. 2


CONTENTS


MATHEMATICS

ON THE SPECTRUM AND EXPANSION IN EIGENFUNCTIONS OF A SINGULAR DIFFERENTIAL OPERATOR.

A.A. Darwish and E.M. Al-Abd

393

NEW PROPERTIES OF PREOPENNESS

R.A. Mahmoud

424

THE 3- PLANE AND THE LIGHT CONE

E.M. Elkholy & S.M. Al-Areefi

437

AQUADRATIC OPTIMAL SYNTHESIS PROBLEM WITH FAILURE CONTROL.

M.Z. Ragab

444

Physics

ENERGY TRANSFER RODAMINE B-RESAZURIN DYE LASER

F.M. EI-Mekawey and M.M.F. Sabry

461

RHODAMINE 6G-RESAZURIN ENERGY TRANSFER DYE LASER

M.M.F. Sabry and F.M. El-Mekawey

472

Chemistry

 

DETERMINATION OF PARATHION AND CHLOROTHALONIL AND ITS RELATED RESIDUES IN HONEY.

Ibrahim M.El-Nabarawy and William F.Carey

482

SYNTHESIS OF PYRIDAZINONE DERIVATIVES OF CHELATING

BIOLOGICAL INTEREST.

N.A.Sharaf EI-Din, M.El-Kersh and H.M. El-Fatatry

492

DETERMINATION OF THE SURFACE AREA OF CELLULOSE BY NMRSPECTROSCOPY AND PORE SIZE DISTRIBUTION.

A.A. Saafan and M.A. Sakran

508

Geology

THICKNESS OF THE EARTH'S CRUST IN NORTH EGYPT ESTIMATED FROM THE GRAVITY AND MAGNETIC DATA.

M.Sharaf

520

THE DISTRIBUTION OF SEDIMENTARY BASINS IN NORTH EGYPT AND THEIR RELATION TO BASEMENT TECTONICS.

M.Sharaf

539

GEOLOGICAL SIGNIFICANCE OF SHALE AND MATRIZ CONTENTS AS DEDUCED FROM WELL LOGGING DATA OF BAHARIYA FORMATION, KANAYIS AREA, WESTERN DESERT EGYPT.

A.A. Hassan and S. Abd E1-Rehim

561

VERTICAL AND HORIZONTAL DISTRIBUTION OF HYDROCARBON OCCURRENCES EXHIBITED FROM THE LITHO-SATURATION CROSSPLOTS

OF THE AREA NORTH OF QATTARA DEPRESSION, WESTERN DESERT, EGYPT.

A.A. Hassan and S.Abd E1-Rehim

578

PODIFORM CHROMITE FROM THE RAS SHAIT"AND WADI IGLA ULTRAMAFIC ROCKS, CENTRAL EASTERN DESERT, EGYPT.

I.A.Sa1em and A.M. Abu E1-E1a

595

A CONTRIBUTION TO THE GEOLOGY AND PETROCHEMISTRY OF ABU HAMMAM GRANITIC MASS, SOUTH EASTERN DESERT, EGYPT.

Mahmoud Ghaza1y; Mohamed W. Bassiony &Monier Mohamed Ali

620

Botany

VESICULAR-ARBUSCULAR MYCORRHIZAL ASSOCIATIONS OF SOME DESERT PLANTS ALONG THE MEDITERRANEAN COAST OF SINAL.

M.A. Hassan and A. Sharaf E1-Din

650

SEASONAL CHANGES IN THE NUTRIENT ELEMENT CONCENTRATION IN

ECHINOPUS SPINOSISSIMUS TURRA

A. Sharaf E1-Din and B.A. Abdel-6haffar

576

EFFECT OF VESICULAR-ARBUSCULAR MYCORRHIZAL FUNGI ON THE NUTRIENT UPTAKE OF -ZEA-MA-YS L.

Bahia A. Abdel-Ghaffar, A. Sharaf El-Din and M.A. Hassan

708

AMYLASES IN WHEAT ORGANS AFTER NICOTINAMIDE AND ALICYLALDEHYDE

TREATMENT.

Youssef A.H. Mohamed, B.A. Abdel-Ghaffar and E1-Sayed Foda

720

ZOOLOGY

THE ORIGIN AND DEVELOPMENT OF THE AGLOMERULAR KIDNEY OF THE MARINE PIPEFISH HALICAMPODES MACRORHYNCHUS (BAMBER).

Fouad A.Abou-Zaid

733

HISTOCHEMICAL STUDIES ON THE ADRENAL CORTEX OF MOUSE.

Usama A.Sharaf El-Din

763

EFFECT OF SOME INSECTICIDES ON BIOMPHALARIA ALEXENDRINA, THE INTERMEDIATE HOST OF SCHISTOSOMA MANSONI IN EGYPT 11- EFFECT ON THE SNAIL INFECTION WITH S.MANSONI.

El-Sheikh, H.; Hamid, M.E.; Mohamed, A.M.& Mongy, S.

780

HISTOLOGICAL AND HISTOCHEMICAL EFFECTS OF ANTIHISTAMINIC DRUGS ON IMPLANTATION IN MOUSE.

Usama A.Sharaf EI-Din; Fawzia E1-Saati and Abd E1-Mawgood Anas Ismaiel

790

ULTRASTRUCTURE OF THE EMBRYONIC AND ADULT AGLOMERULAR NEPHRON OF THE IPEFISH, HALICAMPODES MARCRORHYNCHUS (BAMBER)

Reda M. Khalil &Fouad A.Abou-Zaid

801