Volume 27 Issue 3

Published: 2025-06-25

Contents


Article
Hide text in audio channels within files

Hassan AL-Numa,

The aim of research and studies in the field of steganography to hide data inside other data are not aware, as the world witnessed during the recent period significant development in this area, and...

DOI: 10.33899/edusj.2018.159321

Pages: 99-117
Two New Extended PR Conjugate Gradient Methods for Solving Nonlinear Minimization Problems

Abbas Y. AL-Bayati, Rana Z. 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...

Pages: 71-96
Spectrophotometric Determination of Chloramphenicol in Pharmaceutical Preparations

Tamathir A. Hamoudi, Wadala A. Bashir,

A spectrophotometric method for the determination of trace amounts of chloramphenicol has been proposed. This method depends upon the reduction of the nitro to amino group, condensation with...

DOI: 10.33899/edusj.2018.159308

Pages: 19-35
Using Genetic Algorithm in Outlier Detection for Regression Model

Zakariya Y. Algamal, Hamsa M.Thabet,

Linear regression model is commonly used to analyze data from many fields. Sometimes the data under research contains outliers, and it is important that these outliers be identified in the course...

DOI: 10.33899/edusj.2018.159314

Pages: 136-142
Indirect Spectrophotometric Determination of Niclosamide in Pharmaceutical Preparations

Nabeel S. Othman, Saad H. Sultan,

A simple and sensitive indirect spectrophotometric method is developed for the determination of niclosamide in pharmaceutical preparations. The method is based on the oxidation of reduced form of...

DOI: 10.33899/edusj.2018.159307

Pages: 1-18
On The Solution of Existence of Nonlinear Integral-and Integrodifferential Equations

Noora L. Husein,

In this paper we study the existence and uniqueness for mixed Volterra Fredholm integral and integrodifferential equations By using the extensions of Banach's contraction principle in complete...

DOI: 10.33899/edusj.2018.159313

Pages: 110-119
Synthesis of Some New Substituted 1,3,4-Oxadiazole and 1,3,4-Thiadiazole Derivatives

Amena A. Ahmed,

In this paper the synthesis of five membered ring heterocyclic compounds was achieved, 2-(8-chloro naphtoyl) benzoic acid (1) was used as starting material which was prepared from the condensation...

DOI: 10.33899/edusj.2018.159309

Pages: 36-45
Studying Stability of a Non-linear Autoregressive Model

Anas Salim Youns, Abdul Ghafoor Jasim Salim,

In this paper we study the stability of one non-linear autoregressive model with hyperbolic triangle function polynomial with hyperbolic tangent function (singular point and it's stability...

DOI: 10.33899/edusj.2018.159315

Pages: 163-177
Thermodynamic and Theoretical Studies of average Ionization Constants of a Number of Phenolic Schiff Bases Derived from Salicylaldehyde by Conductivity Measurements

Emad A.S. AL-Hyali, Feda H.M.Al – Taai, Shatha S. Othman,

In this work, three Schiff bases carrying acidic phenolic groups were synthesized derived from the reaction of salicylaldehyde with o,m, and p-amino phenols. A number of their physical and...

DOI: 10.33899/edusj.2018.159310

Pages: 46-70
Effect of irrigation water quality on some physiological processes and the concentrationof heavy elements in five types of cultivated plants in Nineveh province

Hussain AL-Rashdi, Ghazi Wasmi,

This study was carryout at the department of Biology ,College of Education ,Mosul University .Five Plants species Eggplant (Solanum melongena ) ,Green bean (Viana radiate ) ,Green pepper (Capsicum...

DOI: 10.33899/edusj.2018.159317

Pages: 19-44
The vitality of the earthworm developing in soil treated with different concentrations of leaves and fruits powders of Melia azaderach L

Safaa Mahmoud, Adnan Mohammed,

The present study investigated the effect of five concentrations (1,2.5,5,7.5,10%) of leaves and fruits of Melia azaderach L . plant powder on relative growth rate of earthworm after one and two...

DOI: 10.33899/edusj.2018.159318

Pages: 45-65
Assessment of water quality characteristics and calculation of coefficient (WQI) for some water sources in Abu-Maria village Tal-Afar district / Nineveh province

Abdul Azeez Safawi, Reem Al - Shanouna, Noor Al-Sardar,

The present study investigates the suitability of some water resources of Abu Maria village in the district of Tall Afar for human uses. Two springs and eight dug deep wells were chosen to conduct...

DOI: 10.33899/edusj.2018.159320

Pages: 81-98
A Global Convergence of Spectral Conjugate Gradient Method for Large Scale Optimization

Ghada M. Al-Naemi,

In this paper, we are concerned with the conjugate gradient method for solving unconstrained optimization problems due to its simplicity and dont store any matrices. We proposed two spectral...

DOI: 10.33899/edusj.2018.159323

Pages: 143-162
Use aluminum plates as reflectors in sewage treatment by solar radiation

Abdul Azeez Al-Safawi, Alaa Al-maadidi,

Aluminum plates have been used for treating sewage by exposure to the direct solar radiation in the normal conditions of Mosul city using transparent plastic containers with capacity of 5 liters...

DOI: 10.33899/edusj.2018.159316

Pages: 1-18
SMS-Phishing on Android Smart Phone

MAHMOD S. MAHMOD,

Recently, mobile become the most significant device that used almost daily, and one of the most important service that offered by mobile operators is the SMS that used between mobiles, none of the...

DOI: 10.33899/edusj.2018.159322

Pages: 120-135
Effect of laser radiation on the immune response of mice against infection with secondary hydatid disease.I. Growth and development of hydatid cysts.

Asmaa Ali, Zeena Dhabyan Mohammed,

The present study investigated the effect of the Nd-TAG Laser radiation 1000 mw on the viability of the protoscolices of Echinococcus granulosus in vitro, for different durations 40,60,120 and 240...

DOI: 10.33899/edusj.2018.159319

Pages: 66-80
A New Globally Convergent of Spectral Hideaki - Yasushi Type Conjugate Gradient Method

Sawsan S. Ismael,

This paper presents two new spectral conjugate gradient methods which are designed for solving nonlinear unconstrained optimization problems. These methods are based on the idea of the Hideaki...

DOI: 10.33899/edusj.2018.159312

Pages: 97-109