Volume 27 Issue 1

Published: 2025-06-25

Contents


Article
Attack encrypted text (known as explicit text) using a genetic algorithm

Yahya Ibraheem,

A Genetic Algorithm is defined as a smart algorithm which can be used to solve the complex matters and improve them, which are used in many fields. Also, Genetic Algorithm is considered as one of...

DOI: 10.33899/edusj.2014.162139

Pages: 158-168
Use of graphs in the statistical modeling process

Hasmeek Wartan,

Through studying numerical summaries and graph of data movement, to achieveproper and suitable type of data distribution, in simple, clear and minimizing errors, in the same time the graphs and...

DOI: 10.33899/edusj.2014.162138

Pages: 142-157
Temperature effect on IR diode emission parameters

Bashar Al-Sheeti,

The aim of this research is the study the characteristics of commercial of an Infrared Emitting Diode under different degrees of temperature and their action on each of the output power, output...

DOI: 10.33899/edusj.2014.162137

Pages: 126-141
Comparison of pKa values for oxy-enzymase derivatives derived from 3-acetyl and 4-acetyl-3 serotonin by using glass pole

Adel Azzoz, rawaa Suliaman,

The study includes the preparation of four syn and anti oximes derived from mother ketones, namely 3-acetyl and 4-acetyl pyridine by standard method. The structures of these oximes were confirmed...

DOI: 10.33899/edusj.2014.162129

Pages: 1-11
Extraction and diagnosis of fatty acids for Sinorhizobiummeliloti bacteria

Alyaa Alqosaimi,

The current study sought to investigate one of the determining factors of symbiosis between rhizobium bacteria and legumes (i.e. multi sugary acids of Sinorhizobium meliloti), where fatty acids on...

DOI: 10.33899/edusj.2014.162132

Pages: 44-52
The antimicrobial effect of Trigonella graecum foenum, Sinorhizobium meliloti and Escherichia coli on the growth of three types of pathogenic bacteria

Aryan Hamed,

The present study investigates the inhibitory effect of the oil extracted from Trigonella foenum-graecum seeds and Exopolysaccharides (EPS) which is isolated from the symbiotic bacteria, namely,...

DOI: 10.33899/edusj.2014.162128

Pages: 53-70
Environmental and biological study of the effluents of the Danafi Valley and its impact on the water quality of the Tigris River in the city of Mosul, Iraq

Abdulazeez Al-Safawi, Azhar Al-Assaf,

The present study includes ecological properties of danfeeli valley which is located at the south eastern part of Mosul city of Iraq. Danfeeli valley transports seasonal rainfall water domestic and...

DOI: 10.33899/edusj.2014.162133

Pages: 71-89
Effect of Lactobacillus acidophilus bacteria on some types of pathogenic bacteria and aspergillus parasiticus in the production of toxins and growth

Hamed Mohammed, Salah Ahmed, Aleya Kamel,

Lactobacillus acidophilus isolated from newly born infant's stool, purified and identified by studding the morphological and biochemical tests then compared with Bergey's manual for the Holt et al...

DOI: 10.33899/edusj.2014.162136

Pages: 119-125
Producing poly-β-hydroxybutyrate from local isolates of risobium bacteria

Raad Sultan, Wajdan Qasim,

In this study, five isolates of Sinorhizobium meliloti were obtained from root nodules of alfalfa plants collected from agricultural soils of different regions of Nineveh governorate/Iraq. Local...

DOI: 10.33899/edusj.2014.162134

Pages: 90-104
Remove regular noise from gray digital images using spatial filters

Alhan Al-Saffar,

Noise is any undesired information that contaminates an image. Noise appears in images from a variety of sources such as errors in transmission data or camera, etc.In typical images the noise can...

DOI: 10.33899/edusj.2014.162140

Pages: 169-179
Effect of fasting on certain immune factors

Mahmoud Altobji,

Twenty Blood samples were collected from healthy people of both sexes before and after 20 days of fastingRamadan. The phagocytic activity was determined using Candida spores, itsrate was (11 1.9%)...

DOI: 10.33899/edusj.2014.162130

Pages: 12-21
Modification of the geological properties of Baiji asphalt using microwave technology

Khalid Awyed, Rami Abdulahed,

The research work was aimed to prepar different types of asphalt. Beji asphalt was mixed with polymers such as polystyrene, melamine-formaldehyde resins and poly methyl methacrylate. The amount of...

DOI: 10.33899/edusj.2014.162131

Pages: 22-43
Stimulate the production of antibiotics using local isolates of the genus Streptomyces using chemical and physical mutants

Mohammed Qasim, Safaa Alobaidi, Arwa thannon,

Three local isolates of the genus Streptomyces were obtained from ten soil samples collected from different places of Niniva governorate. The isolates showed bioactivity against test Gram positive...

DOI: 10.33899/edusj.2014.162135

Pages: 105-118
Research Paper
On Solutions of a Quadratic Integral Equation of Urysohn Type

Lamyaa H. Sadoon,

In this paper, we investigate the existence of a unique solution on a semi-infinite interval for a quadratic integral equation of Urysohn type in Frechet space using a nonlinear alternative of...

DOI: 10.33899/edusj.2014.161560

Pages: 92-96
Comparative Study of DNA Sequences for Genes Encoding Urease in Klebsiella pneumoniae and Proteus mirabilis

Mohammed Z. Saeed,

Abstract Urease genes cluster consist of 7 genes ureA, ureB, ureC, ureD, ureE, ureF and ureG. P2 index of Pr. mirabilis genes are 0.429, 0.481, 0.409, 0.378, 0.472, 0.392 and 0.567 for ureA, ureB,...

DOI: 10.33899/edusj.2014.161568

Pages: 58-68
Deviations of the Surface Brightness Distribution in Isolated Elliptical Galaxies

Omar Salih,

In this paper, we present the surface brightness profiles of 48 isolated elliptical galaxies. we have adopted the r1/n law to the observed surface brightness profiles of the adopted sample of...

DOI: 10.33899/edusj.0201.161569

Pages: 78-91
Two New Extended PR Conjugate Gradient Methods for Solving Nonlinear Minimization Problems

Abbas AL-Bayati, Rana AL-Kawaz,

In this paper, we have discussed and investigated two nonlinear extended PR-CG method which use function and gradient values. The two new methods involve the standard CG-methods and have the...

DOI: 10.33899/edusj.2018.159311

Pages: 97-115
Synthesis and characterization of Mn(II), Co(II), Ni(II) and Cu(II) complexes with Schiff bases derived from terephthalaldehyde and isophthalaldehyde

W. AL-Kattan, E. AL-Nidaa,

A series of new complexes of the type [M2LCl4] and [M2L2Cl4] where M=Mn(II), Co(II), Ni(II) and Cu(II), L=L1 or L2 {L1= 1,4-Bis (3-amino-1,2,4-triazole) terephthylidene, L2=1,3-Bis (2-amino...

DOI: 10.33899/edusj.2014.161567

Pages: 16-26
Determination of pKa for some Schiff bases derived from benzaldehyde and amino phenols by conductivity measurement

M. M. Gh. A. E. AL-Dabbagh,

The aim of this work is concerned with the determination of pka for some Schiff bases by conductivity method.These imines are prepared by reactions of benzaldehyde with o,m,p-amino phenols by...

DOI: 10.33899/edusj.2014.161534

Pages: 1-15
Synthesis of 2- alkyl/phenyl -5-Substituted 1,3,4- Thiadiazoles

Khalid Daoud, Shaima S. Ismaeel, Yassir S. Mohamad,

In this paper the synthesis of some 2-alkyl phenyl 5-substituted 1,3,4-thiadiazole is reported, Benzonitrile and Acetonitrile were treated with thiosemicarbazide in presence of trifluroacetic acid...

DOI: 10.33899/edusj.2014.161557

Pages: 27-34
Spectrophotometric method for the determination of tolnaftate in pharmaceutical preparations

Nief Rahman Ahmed, Nawfal Sheet Mohamad,

Abstract A simple, accurate, rapid and sensitive visible spectrophotometric method has been developed for the determination of tolnaftate in pure and pharmaceutical preparations. The method is...

DOI: 10.33899/edusj.1970.161563

Pages: 35-42
Spectrophotometric Determination Of Nitrazepam And Dapson Using Vanillin Reagent in Pharmaceutical Preparations

Theiaa Al-Sabha, Maha Al-Obaidi, Thabit S. Al-Ghabsha,

A simple, sensitive and selective spectrophotometric method is described for the determination of dapson and nitrazepam in bulk drug and in dosage forms using vanillin as the chromogenic agent. The...

DOI: 10.33899/edusj.2014.161562

Pages: 43-57
Isolation and Characterization of Bacillus spp. with Antagonistic Activities for Biological Control

Omar Mu'ayad Al-Obaidy,

We isolated 47 different bacterial isolates from 13 different soil samples, five of them showed antifungal activities belonged to Gram positive bacteria Bacillus subtilis and were designated as...

DOI: 10.33899/edusj.2014.161564

Pages: 69-77
Automatic Continuity of Dense Range Homomorphisms into Multiplicatively Semisimple Complete Normed Algebras

RUQAYAH N. BALO,

The following open problem state that: If is a dense range homomorphism from Banach algebra into Banach algebra such that is semisimple. Is automatically continuous? (see[1]) In [5] given a partial...

DOI: 10.33899/edusj.2014.161566

Pages: 116-121