البريد الإلكترونى

  
   
استفسار


  
            

Delta Journal of Science Volume 11 (1989) Issue no. 2


CONTENTS


MATHEMATICS

ANALYTICAL SOLUTION OF THE TRUNCATED service time ERLANGIAN QUEUES WITH BALKING. Abou-EI-Ata, M.O. &AI-Seedy, R.

551

ON PAIRWISE REGULARITY. A.N. Geaisa

567

THE QUEUE LENGTH IN A QUEUEING MODEL vrrn THE VERSATILE

MARKOVIAN PROCESS Osman EI-Sayed and Said A.EI·-Serafi

581

A STUDY ON A STABLE MULTISTEP FORMULA OF FORWARD SPEED

FOR SOLVING DIFFERENTIAL EQUATIONS. A.R.M. EI-Namoury

633

POSITRONIUM FORMATION IN POSITRON COLLlSlOi FROM THE 2p STATE OF ATOMIC HYDROGEN BY I. H. El-Mosallamy

650

Physics

A MOSSBAUER STUDY ON THE EFFECT OF ALKALI OXIDES ON THE

STRUCTURE AND MAGNETIC PROPERTIES OF THE FERRITE PHASE OF

CEMENT CLINKER BY M.Y. Hassaan and N.A. Eissa

662

FAST NEUTRON IRRADIATION EFFECT ON THE

THERMAL PlROPERTIES OF DOPED NONSTOICHIOMETRIC

LITHIUM POTASSIUM SULPHATE CRYSTALS BY M.E. Kassem, N.G. Gomaa, A.M. El-Khatib and S.H. Kandi1*

674

FINE STRUCTIJRE OF TIlE TEMPERATURE DEPENDENCE OF

Ni SPUTIERING YIELD IN TIlE REGION OF PHASE TRANSITION BY *H.A. Motaweh: L.B. Shelyakin, M.V. Kuvakin and A. Bischoff

690

CONDUCTING POLYMERS. IV*ELECTRICAL CONDUCTIVITY OF POLY (4 ,4' -N, N-DrpW SULPHOXIDE DIAMINOPIlENYi ETlP.R . BY F.M. Reicha, M.A. Soliman, A.M. Shaban.** A.Z. EI-Sonbati and M.A. Diab ***

709

CHEMISTRY

DIFFUSE REFLECfANCE SPECTRAL CHARACTERISTIC MEASUREMENTS

OF CHROMIUM TRIOXIDE AND SOME OF ITS SUllOXIDES BY

F.M. Ismail ,M.A. Khilla and A.K. Mohamed

732

THERMAL PROPERTIES OF SOME COBALT AMINE COMPLEXES.

Soad, Z Mohamed, Salah M. El Zein &Magd M.S.

744

SPECTROSCOPIC AND CRYSTALLOGRAPHIC STUDY OF NICKEL

AND COBALT AMINE COMPLEXES. A.M. El.-Shabiny, S.M. EI-Zein, S.Z. Mohamed, and M.M. Soliman

763

THERMAL AND SPECTROSCOPIC CHARACTERIZATION OF

REACTION PRODUCTS OF AI-NITRATE - Cr- CARBONATE

INTERACTION AT DIFFERENT TEMPERATURES. M.F.R. Fouda , R.S. Amin and M.M. Selim

783

GEOLOGY

STUDY OF SOME LOWER AND MIDDLE MIOCENE FAUNA FROM ESH Ei-MELIAHA, EASTERN DESERT, EGYPT.

A i\. /.bdeI Aal and M.M.A. EI-Hedeny

809

i\DDITIVES ROi.E DURING BRICK INDUSTRY. E. (arag &S. Ayad

845

Sl',JIY AND ACTIVATION OF SOME EGYPTIAN CLAYS FOR

CATALYST PREPARATION. S. Ayad, S.A. EI-Khatib &M.S. Ghattas

862

Botany

CARBOHYDRATE PRODUCTION AND FLORAL DEVELOPMENT IN BARLEY (HORDEUM VULGARE) AND MILLET (;30RGHUM BIC0Tc0R) 'to *,'f IN RESPONSE TO TREATMENT WITH CCC AND 2,4-D M.N. El-Shourbagy, M.E.H. Osman, A.A. Mohsen and H.E. Ahmed

896

GROWTH AND NUTRIENT UPTAKE OF SALINIZED TOMATO

(LYCOPERSICON ESCULENTUM) AS INFLUENCED BY VESICULAR- ARBUSCULAR MYCORRHIZA. Bahia A. Abdel-Ghaffar, M. N. El-Shourbagy ?M.t:H M.K. Hassan

922

RESPONSE OF SOLUBLE METABOLIC COMPONENTS OF CORN

PLANTS, AT THE VEGETATIVE GROWTH PHASE, TO FOLIAR

SPRAY WITH CHLORO- OR METHYLTHIO-TRIAZINE HERBICIDES.

Moustafa A. Shakeeb, Awatif A. Mohsen, Mahmoud A.Gabr

943

INCIDENCE OF AFLATOXINS IN SOME FOOD AND FEED SAMPLES AND IN CULTURE MEDIA OF D,O TOXIGENIC ISOLATES OF ASPERGILLUS FLAVUS UNDER DIFFERENT CULTUR~L CONDITIONS. Salama, A.M.; Nadia MA,my ; EI-Zawahy, Y.A. and

Ezzat, S.M.

959

ZOOLOGY

SERUM PROTEIN LEVELS OF ARDEOLA IBIS AND FALCO

TINNUNCULUS UNDER STARVATION! DEHYDRATlUN CONDITIONS. Maher Hussein Khalifa and Afaf EI-Saify

986

GENETIC POLYMORPHISM, HABITAT CHOICE AND RELATIVE

SURVIVAL OF THE FRESHWATER SNAIL CLEC[\TRA BULIMOIDES (MOLLUSCA, PROSOBRANCHIA) A.H. Abdel-Rehim

1006

 

SEPARATION AND CHARACTERIZATION UF TICK HYAllJtl!:1A

DROMEDARII-ACID PHOSPHATASES. 1055 Ragaa R. Hamed. Foad Saleh. Neiven S. Mohame and Mamdouh Y. Kamel

1020

STUDIES ON EFFECT OF DIET AND TEMPERATURE ON RABBIT GROWTH ORYCTOLAGUS CUNICULUS A.E. Hagras

1055

OXYGEN CONSUMPTION AND RESPIRATORY METABOLISM BY ORTHOMORPHA GRACILIS (KOCH) Ahmed Nabil Kayed

1081

GROWTH IN THE EARLY STADIA OF THE DIPLOPOD BRACHYIULUS CALCIVAGUS Ahmed Nabi1 Kayed

1096

MORPHOLOGICAL AND SKELETAL ABNORMALITIES OF CLARIAS LAZERA ( CUV. VAL. ) REARED IN FERTILIZED POND. Soad A. Khalifa and M. A. E. Mousa

1116

SEASONAL POPULATION CHANGES OF APLICTANA INCERTA

CABALLERO. 1949 (NEMATODA: OXYURIDAE) FROM BUFO

REGULARIS AND RANA MASCARENIENSIS Sameh H. Hassan and Abdel Aziz A. ~hidr

1130

OBSERVATIONS ON EGG PRODUCTION IN CICHLlDOGYRUS

HALLI TYPICUS (MONOGENEA : ANCYROCEPHALINAE)

A.A. Khidr and S.H. Hassan

1145

BIOLOGICAL STUDY ON THE EFFECT OF CYANOX ON THE EGG STAGE OF CIMEX LECTULARIUS 1· UNOER LABORATORY CONDITION  M.W.F. Younes. M.S. Khalil ~nd M.M. Aboul Mahasen

1157