Volume 17 Issue 4

Published: 2025-06-25

Contents


Article
Estimatoin of the physical constants of the electron acceptor1,4-naphthoquinone from its charge-transfer complexes with various Schiff bases n-type donors

Ali M.Scheriff

The new charge-transfer complexes (CT) of eleven Schiff1 bases molecules as n-electron donors with the acceptor 1,4-naphthoquinone were studied spectrophotometrically in chloroform solution. The...

DOI: 10.33899/edusj.2005.83060

Pages: 63-80
Magnetic and spectroscopic properties of some new complexes of cobalt(II),nickel(II) and copper (II) with α-(2,6-dimethyl aniline)- 2,6-dimethyl acetanilide

Saad K.Dawood

New complexes of the general formulae [Ni(L)2X2],[M(L)2]X2 and [M(L)2SO4.1 120] where M=Ni(II),Co(l[),Cu(n);L=a-(2,6-dimethyl anilino)-2,6-dimethyl acetanalide ; X=Cl",Br",N03", have been prepared...

DOI: 10.33899/edusj.2005.83063

Pages: 54-62
Noise Characteristics of semiconductor Laser with Phase- Conjugate Feedback

M.I. Azawe

Noise spectra of semiconductor laser subject to a phase-conjugate feedback were investigated theoretically. Time-delayed rate equations with feedback were solved and characteristic equations for...

DOI: 10.33899/edusj.2005.83070

Pages: 92-110
Produce cell protein from orange disposal by employing single and mixed farms

Walaa Shukur, Raad Sultan, Shemal AbdulHaddi,

Five different fungal isolates were cultivated in a medium containing orange waste as a sole carbon source. Among fungal isolates, Aspergillus niger was superior in protein production ( 35,94 % )...

DOI: 10.33899/edusj.2005.82974

Pages: 31-47
The periodic solution of a particular system of integrative-differential and nonlinear equations with independent variable delay

Raad Petrus, Ayad Ceto,

In this paper we investigate the existence and approximation of the periodic solution for a system of nonlinear integro -differential equations with retarded argument. The numerical -analytic...

DOI: 10.33899/edusj.2005.82967

Pages: 85-96
Contamination of Beef and Sheep with Salmonella Germ in Anbar Governorate

Reem SHanshel,

This study was conducted to determine contamination of meat (cow, sheep) by salmonella in AL-anbar province to however isolation of sarnonella from meat overed in some shopes of meat and to know...

DOI: 10.33899/edusj.2005.82962

Pages: 78-84
ALGEBRA OF QUOTIENTS WITH BOUNDED EVALUATION FOR SOME OPERATOR ALGEBRAS

Amir A.Mohammad

In this paper, we find the algebra of quotients with bounded evaluation for operator algebras on a complex Hilbert space, namely: Hilbert - Schmidt and trace -class operators. Also, we study the...

DOI: 10.33899/edusj.2005.83109

Pages: 132-141
INERACTION EFFECT OF IRON ENRICHMENT AND DEFATTED SOYBEAN SUPPLEMENTATION TO WHEAT FLOUR ON THE PROTEIN DISESTIBILITY AND GROWTH IN GROWING RATS

KHALID H.H.SHARAF

Wheat flour (WF) of 85% meal extraction was blended with/without 50g defatted soybean flour (DSF)/kg and enriched with 50 or lOOmg iron/kg diet used in vitro and In vivo study of protein...

DOI: 10.33899/edusj.2005.83058

Pages: 81-91
Additional Factors Affecting the Rate and Mechanism of Ring Opening Reaction

Mahmoud S.Saieed

The reactions of thiosulphate ion with some bromoalkylamines of structure RR'N-(CH2)n-Br, where n = 2,3,4,5 or 6 and R - R1 - H, methyl, ethyl or isopropyl, were studied kinetically in an aqueous...

DOI: 10.33899/edusj.2005.83072

Pages: 18-29
Response of safflower to different concentrations of Mubkoet Chlorocytide growth regulator

Hussain Ali,

This study has dealt with the effect of four different concentrations (0.0 control, 20,40 and 60) ppm of the growth regulator (mepiquat chloride) on the growth and some physiological aspects of...

DOI: 10.33899/edusj.2005.82975

Pages: 57-66
Indirect Spectrophotometric determination of paracetamol via oxidative coupling reaction using chlorocresol reagent

Thabit S.Al-Ghabsha, Theiaa N.Al-Sabha, Mohammad S.Al-Enizzi

A spectrophotometric method is proposed for the determination of microgram amounts of paracetamol based on the reaction of hydrolytic product of paracetamol (p-aminophenol) with chlorochresol in...

DOI: 10.33899/edusj.2005.83054

Pages: 1-10
Spectrophotometric Determination of Phenols in Aqueous Solution via Oxidative-Coupling Reaction with 4-Amino-N,N-Diethylaniline and Potassium Dichromate

M.Q. Al-Abachi, M.M. Al-Sharook, Shayma I. Al-Najafi

A simple and sensitive spectrophotornetric method for the determination ofphenol has been developed. The method is based on the oxidative-coupling reaction ofphenol with 4-amino-N,N-diethylaniline...

DOI: 10.33899/edusj.2005.83087

Pages: 11-17
indirect spectrophotometric determination of acetanilide in aqueous solution using DDQ reagent

Ghayda Hana, Thyaa Al-Sabha, Thabit Al-Ghabsha,

Indirect spectrophotometric method has been described for determination of microgram amounts of acetaniiide in aqueous solution. The method based on the acid hydrolysis of acetaniiide and the...

DOI: 10.33899/edusj.2005.82978

Pages: 1-9
Preparation of Activated Carbon from the external shell of Coconut fruit using modified carbonization and chemical thermal activation

Mayada Mahmood Ali, Qaidar Salim Jarjees, Omar Mousa Ramadhan,

The research workaimed to prepare an activated carbon from the external shell of the coconut . the coconut shell is rich in lignin and has a high content of carbon .The prepare method involved...

DOI: 10.33899/edusj.2005.82972

Pages: 10-16
Study the Effect of Cinnamaldehyde Separted From Cinnamomum Zeylanicum on Growth of Some Negative and Positive Gram Bacteria

Muthanna Jasim Mohammed, Omar Mousa Ramadhan, Qaidar Salim Jarjees,

This research work was aimed to separate ethanolic extract and cinnamalciehyde from Cinnamomum zeylanicum, The isolated compounds were used to study the inhibiting effect: on the growth of...

DOI: 10.33899/edusj.2005.82957

Pages: 67-77
The Infleunce of the Subtituent on the Kinetic of Amino Acids Oxidaition by permanganate Ion

Ibrahim Y.M.Al-Tayy, Rana A.A.A.Quba, Mahmoud S.Sajeed

The kinetics of the oxidation of nine amino acids (glycine, alanine, valine. leucine, norleucine, serine, threonine, spartic and lysine) by permanganate ion were studied in an aqueous medium. The...

DOI: 10.33899/edusj.2005.83065

Pages: 30-41
Antimicrobial effect of water and alcohol extract of Cyperus on Actinobacillus actinomycetecomitans germ.

Ghada Abdulrahman, Blend Abdullah,

This study includes the isolations and diagnoses of Actinobacillus actinomycetemcomitans from the patients with periodontal infections , isolation process has been done through using a selective...

DOI: 10.33899/edusj.2005.83055

Pages: 48-56
To Delimitating the Optial Concentration of Mn2+ Ions in Soft Ferrite System Mg-Mn during studying the Properties of Electrical and Magnetic Susceptibility

Raad Ahmed Rasoul

In order to study the practicability delimitating the optimal electrical properties have been studied for soft ferrite system Mg(|. x)MnxFe20.4 , which prepared by solid state method in the...

DOI: 10.33899/edusj.2005.83066

Pages: 123-131
The influence of an axial magnetic field on an abnormal glow discharge in Nitrogen at moderate pressure

S.K. AL-Hakary, F.M. Al-Badrani

In abnormal glow discharge under d.c, excitation at different pressure in a varying axial magnetic field in the range (0 to 6.5G) some measurements of plasma parameters, glow discharge resistance...

DOI: 10.33899/edusj.2005.83062

Pages: 111-122
UTM coordinates correction between WGS84 and Clarke 1880 ellipsiod in Mosul by using GPS

Sabah H.Ali

Most GPS receivers calculate their locations by a geodetic coordinate referenced to the WGS84 ellipsoid, whereas the local reference applied in IRAQ (referred as ClarkelSSO ellipsoid) have...

DOI: 10.33899/edusj.2005.83061

Pages: 142-153
NATURAL MINERAL CLYS BEARING FELDSPAR,PYSICAL AND STRUCTURAL STUDIES AND APPLICATION IN PERTOLEUM FRACTIONATION

S.A. Al-Mallah, R.A. Buker,

Natural Iraqi mineral clays, treated chemically by acids and bases and activated physically, have been investigated using powder x-ray diffraction , x-ray "thermal analysts; mTrarecT Ifpecfra,...

DOI: 10.33899/edusj.2005.83069

Pages: 42-53
The effect of electric shock in the stimulation of splits of cellular plant cells derived from the calas of the undergrowth of the plants of the sun flower and planted in multiple drops of oxides

Jamela Rasheed, Wjdan Qasem,

Sunflower friable callus used in obtaining cell suspension culture in liquid MS medium containing 2,0 mg /L.NAA and 1.0 mg/ L BA, The cell started their first division after 24hours and continued...

DOI: 10.33899/edusj.2005.82976

Pages: 17-30