Volume 18 Issue 1

Published: 2025-06-25

Contents


Article
A PCG ALGORITHM FOR NON-LINEAR OPTIMIZATION BASED ON A QUADRATIC MODEL

Abbas. Y. AI-Bayati, Abdulghafor M. AI-Rozbayani

In this paper a new preconditioned Extended Conjugate Gradient with self-scaling Variable Metric method is proposed for unconstrained optimization. This method is based on the inexact line searches...

DOI: 10.33899/edusj.2006.79231

Pages: 88-101
Determination of Electrical Conductivity of Glow Discharge in Dry Air at Low Pressure

M.A. Saffo

The aim of this work is to determine the electrical conductivity of glow discharge in dry air at low pressure (0.15- 5 torr), using the (I-V) characteristic curve. From the axial electric field...

DOI: 10.33899/edusj.2006.79229

Pages: 31-44
Study on epidemiology of brucellosis of human in some districts of Baghdad

Reem Z. Shinashal, ِAmina N. AL-Thwaini, Abdul Redha M. Al-Abasi,

Occurrenee of Brucella was manitored in 100 samples of blood, 5samples of cerebrospinal fluid and 1 sample of synoviai fluid from samepatiints suffering from sings of undulant fever in same...

DOI: 10.33899/edusj.2006.162865

Pages: 22-30
Calculate the energy levels of vanadium V2+-grafted semiconductor GaAs using the theoretical orthogonal compliant model

Adnan M. Al-Shekh, Ibtisam Y. Abdullah,

To evaluate the energy level for Vanadium ion in GaAs: V2+ the ground term has determined (4F). Using the concepts of isomorphism on orbital states for the ground term of GaAs: V2+ where the states...

DOI: 10.33899/edusj.2006.162866

Pages: 66-78
Effect of fertilization with some major and minor elements on seedling and root rot in sesame plant and on some vegetative characteristics in glass house

Najwa Allethi,

Sesame seeds were sown in pots contaminated with the root rot disease phathogens Pythium aphanidermatum, Fusarium solani, Macrophomina phaseolina,and supplemented with potassium, phosphorus or...

DOI: 10.33899/edusj.2006.78670

Pages: 44-56
Method of Lines With Haar Wavelet For Solving Parabolic Differential Equation

Kais Ismail Ibraheem

In this paper we present a theoretical framework and numerical comparisons for a wavelet-based algorithm associated with both method of lines and wavelets for solving some partial differential...

DOI: 10.33899/edusj.2006.79222

Pages: 102-113
The existence and convergence of the periodic solution of the system of complementary equations - nonlinear differential of the second class type Volterra

Raad Petrus, Ghada Jameel,

In this paper we study the existence and approximation of the periodic solutions for system of nonlinear integro-differential equations of Volterra type by Lebesque integrable function, By using...

DOI: 10.33899/edusj.2006.78661

Pages: 124-137
Optimum values of Second Gruneisen parameter (q) for Iron, Vanadium and Titanium

Dr. Adnan M. Al-Sheihk, Janan F. Ahmad, Dr. Mumtaz M. Saleh

In the present work a numerical model is constructed for the joint optimization of experimental data on recoilless fraction, using an improved relation between Debye temperature and the volume...

DOI: 10.33899/edusj.2006.79225

Pages: 45-52
Effect of dried immature leaves and fruit Ficus carcia On some biochemical parameters in normal rats

Ameira A. Hamdon, Sameira M. Al-Katib, Khalid H. Sharaf

The effect of dried Ficus carcia leaves and fruit, before fruit maturing stage, (each of concentration 5% and 10%) were studied on the apparent digestibility and growth index of normal rats. These...

DOI: 10.33899/edusj.2006.79233

Pages: 1-10
The existence and convergence of the solution to a system of non-linear integral-differential equations of the first rank with the requirements of integration

Raad Petrus, Azzam Younis,

In this paper we investigate the existence and approximation for nonlinear system of integro-differential equation with boundary integral conditions by using the numerical-analytic method for...

DOI: 10.33899/edusj.2006.78712

Pages: 138-151
Geul - Sinclair 's non - aggregate theorem - applied empirical study H*

Amer Mohammed, Ammar Idrees,

In this paper, we generalized the Jewell-Sinclair theorem to include not only associative Banach algebra but also the nonassociative Banach algebra. Our methods in extend Jewell-Sinclair theorem is...

DOI: 10.33899/edusj.2006.78714

Pages: 97-112
The effects of the vision on the central opacity and the positions of the curves invers for the brightness of the assumed elliptic sphere

Saad Younis, Omer Salih,

The seeing effects on spherical symmetric Elliptical galaxy type EO following the r1/4- model has been calculated by using two type of the point spread function the Gaussian and Moffat functions ....

DOI: 10.33899/edusj.2006.78665

Pages: 79-96
Preparation of a number of 1, 3, -4 oxadiazole compounds derived from -2 hydroxide lipidine

Ahmed Ahmed, Saeed Saeed, Amjed Jumaa,

Substituted 1,3,4-oxadiazol are well known to have biological activities ,and to have important uses in the medicin ,agriculturel and industrial .Several compounds of this groups were synthesized...

DOI: 10.33899/edusj.2006.79217

Pages: 1-10
Effect of low and high dose of oxytracycline on some aspects of life and blood chemistry in veal calves

Ismaeel Mohammed,

The aim of present study was to study the effect of low and high dose of oxytetracycline on some biochemical profiles and hematological values in fatting calves. The study comprised 20 animals...

DOI: 10.33899/edusj.2006.78655

Pages: 11-19
Thermal Solution for Kerosene Crude Oil by Kirkuk Molecular Sieves

Ragheed Ghazal,

The study included upgrading kerosene of kirkuk crude oil by performing catalytic cracking for kerosene in vapor phase over molecular selves (5A) as catalyst at temperatures of (400,500,550 and...

DOI: 10.33899/edusj.2006.78713

Pages: 20-33
Influence of Axial Magnetic Field on the Transport Coefficients of Nitrogen Plasma at Moderate Pressures

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

In the present paper, the transport coefficients (drift velocity, mobility, and density of electron) in a positive column with an axial magnetic field of (0-6.5G) are calculated for Nitrogen plasma...

DOI: 10.33899/edusj.2006.79223

Pages: 53-64
Using the Interacting Boson Model IBM-1 to Calculate the Energy Levels and Reduced Transition Probabilities B(E2) in 104pd Isotope

W.M. Najeeb

investigated .For this nucleus the energy levels,reduced transition probabilities B(E2) were calculated within the frame work of Interacting Boson Model IBM-1 for some positive parity states. The...

DOI: 10.33899/edusj.2006.79221

Pages: 65-72
Effect of apple vinegar treatment on life variables related to renal function in male rats

Intesar Taha,

The research involves the study of effect of apple vinegar on some of biochemical parameters which are related to renal function in experimental male mice of Swiss type. Their weight ranged from...

DOI: 10.33899/edusj.2006.78657

Pages: 57-65
Charging of oil components by caustic soda to prepare activated charcoal

Khalid Al-Ghannam, Mayada Mahmood,

The study aimed to produce activated carbon by gradual heating to about 550C for 4hr. The mixture consist of 1:2 ( residual petroleum: sodium hydroxide) The residual petroleum used was the...

DOI: 10.33899/edusj.2006.78659

Pages: 34-43
Designing a comparative table to determine the infant sex

Fares Ahmed, Amer Abulllateef, Amera Al-Mashadani,

The aim of this study is to design a schedule -via statistical anaiysis-to specify the infant sex and testing the degree of success. After the specification of the efficacy of Chines manuscript and...

DOI: 10.33899/edusj.2006.78669

Pages: 113-123
Water Availability and water balance in Erbil Governorate

Waleed Ismair AI-Rijabo, Sardar M.R Kareem

Water balance parameters were studied in four locations in Erbil Governorate which are Soran, Shaqalawa, Einkawa and ErbiJ. The mean monthly climatic parameters were taken for the different...

DOI: 10.33899/edusj.2006.79226

Pages: 73-87
Indirect spectrophotometric determination of paracetamol via oxidative coupling reaction with 4-(2-pyridylazo)-resorcinoI

Thabit S. Al-Ghabsha, Theiaa N. Al-Sabha, Amal M. Saeed

A rapid, sensitive and simple spectrophotometric method is proposed for the determination of paracetamol, The method is based on the oxidation of the hydrolytic product of paracetamol by potassium...

DOI: 10.33899/edusj.2006.79220

Pages: 11-21