Some basic properties of idempotent matrices

Alaa A. Hammodat, Ali A. Bilal, Akram S. Mohammed,

Abstract In this paper we give some properties of the zero commut idempotent matrices ,and give some properties of non-singular matrices .

DOI: 10.33899/edusj.2008.56102

Successive approximation method (S.A.M.) for solving integral equation of the first kind with symmetric kernel

Najmaddin A. Sulaiman, Talhat I. Hassan,

Abstract: In this paper we used successive approximate method (S.A.M.) to solve Fredholm integral equation of the first kind (F.I.E.1st. K.) with symmetric kernel. And also suggested an algorithm...

DOI: 10.33899/edusj.2008.56108

Synthesis of Some Atophan Derivatives

M. A. Al-Iraqi, K. H. Al-Naimi, A. H. Al- Sabawi,

ABSTRACT The research was concerned with preparation and characterization of some esters (2-4) derived from atophan (2-phenyl cinchoninic acid). These esters were converted to the corresponding...

DOI: 10.33899/edusj.2008.56107

Designing Educational Web pages for Post Operative Nursing Care

Omar Akram Alsafar, Sana Thanoon Ahmad, Isra Natheer Alkallak,

Abstract This research drives at connecting information technology to nursing. This is to be carried out by way of designing an educational site for medical and nursing care to be performed post...

Determination of Backbending in 122-130Ba Even-Even Isotopes

I. M. Ahmed, W. M. Najeeb,

Abstract The -unstable O(6) limit of the interacting boson model IBM-1 has been applied successfully to determine the backbending in weakly deformed 122-130 Ba even-even isotope. The application...

DOI: 10.33899/edusj.2008.56098

The Influence Of Hole Radius On The Properties Of Photonic Crystal Fiber

Huda Masood Mohamad, Abdulghafoor Ibrahim Abdullah,

Abstract The influence of air hole radius on the numerical aperture, total dispersion, effective area, and nonlinear coefficient for the photonic crystal fibers are investigated. This study shows,...

DOI: 10.33899/edusj.2008.56097

Efficient System of Laser Diode CW Pumped on Nd:YAG Laser

F. H. Mustafa, M. I. Azzawe,

Abstract In this paper, we report the recent progress made in the design and development of a miniature solid-state system, consisting from a bar laser diode and a slab of Nd:YAG crystal. Single...

DOI: 10.33899/edusj.2008.56104

Doping effects on electrical and dynamical characteristics of GaAs / AlGaAs quantum cascade laser

Erada A. Al-Dabbagh, Ragheed M. Ibrahim,

Abstract A theoretical analysis of the doping density level influence on the output characteristics of GaAs/Al0.45Ga0.55As triple quantum well QCL emitting at (=9 m) is presented. The employed...

DOI: 10.33899/edusj.2008.56103

Study of optical modulation of the bipolar exposed transistor using semiconductor laser

Taghreed Younis, Musab Mohammed,

Abstract: The effects of semiconductor laser light on static and dynamic characteristics of bipolar exposed transistor had been studied experimentally. There was no significant influence on these...

DOI: 10.33899/edusj.2008.56096

Preparation and spectral diagnosis of an AZO derived from 4-Amino Acetophenon and its complex preparation with Ferrous

Theyaa Mohsen,

ABSTRACT: Azo dye is prepared by Diazoniom salt method derive from 4-amino acetophenon and salicylic acid, the product compound is Acetophenon-4, azo-N,4-salicylic acid which identified by infra...

DOI: 10.33899/edusj.2008.56088

A NEW HYBRID ALGORITHM FOR THE MODIFIED BARRIER FUNCTION FORM

ABBAS Y. AL-BAYATI, ASEEL MOAYAD QASIM,

Abstract In this paper, we have developed a new formula which is more suitable to the Barrier function and we have also investigated a new hybrid algorithm of SD and VM formulas with exact line...

DOI: 10.33899/edusj.2008.56100

The use of microwaves to combat the Callosobruchus maculatus (Fab) (Bruchidae: Coleoptera), the effect on its life

Ayad Ismaeel, Sufyan Alsenjari,

Abstract Callosobruchus maculatus (Fab) is considered one of the important agricultural pests that infests legumes in general and especially cowpea and chickpea resulting devastating damages to...

DOI: 10.33899/edusj.2008.56087

Haematological Changes in Stored Blood

Karama M. I. Al Nuaimy,

Abstract Blood transfusion is the process of referring blood. Or blood based products from one person into the circulatory system of another blood transfusion may treat medical condition. The...

DOI: 10.33899/edusj.2008.56106

Preparation and Characterization of Cobalt (II)- Complexes of 4-Hydroxybenzaldehyde Semicarbazone and Amino Acid Esters Ligands

Mushal W. Ibrahim, Zuhoor F. Dawood,

ABSTRACT Cobalt (II) complexes with mixed ligands including 4-hydroxy- benzaldehyde semicarbazone (HBSCH) and esters of amino acids - A {phenol glycine ester (GlyP), phenol alanine ester (AlaP),...

DOI: 10.33899/edusj.2008.56110

Study the extent of Rhizobium leguminosarum bv.viciae tolerance to several levels of salinity

Mohammed Altaee,

Abstract The effect of different Concentration (1% -5%) of NaCl on growth of Rhizobium leguminosarum bv.viciae was studied by their addition to Manitol yeast extract agar medium and observing the...

DOI: 10.33899/edusj.2008.56092

The phylogenetic response of two varieties of Thomas laxton and smooth Mammoth melting to increased concentrations of copper

Fareh Salih,

The experiment was conducted in plastic pots under wiry house conditions to study the effect of soil treatment by sulphat copper concentrations (150,100,75,50,25,0.0) mg /Kg soil on growth and some...

DOI: 10.33899/edusj.2008.56091

The effects of exposed Black seed (Nigella sativa L.) callus by gamma rays on specific activity of dihydrofolate reductase and folate content Extracted from it

Sajeda Abood,

Abstract The present study was conducted to determine the effects of gamma rays on specific activity of dihydrofolate reductase and folate content of Black seed (Nigella sativa L.) callus. The...

DOI: 10.33899/edusj.2008.56086

Calculation of Energy Levels and The Reduced Transitions Probability For Even-Even Number of Isotones ( N=90)

Ahmad K. Mheemeed,

Abstract In this work the Interacting Boson Model IBM-1, Davydov-Filippov (D-F) models and the Critical Point Symmetry X(5) have been employed to study the energy levels and the reduced transition...

DOI: 10.33899/edusj.2008.56101

Pressure Dependence of Frequencies and Frequencies Distribution Function for Aluminum: Theoretical approach

Seham J. Abdallah, Adnan M. Al-sheikh,

A theoretical study was made of the pressure dependence of lattice frequencies and distribution function for aluminum by analyzing phonon frequency spectrum, using Grneisen approximation and many...

DOI: 10.33899/edusj.2008.56109

Response Of Latheticus oryzae (Coleoptera: Tenebrionidae) To Three Pyrethroid Insecticides

Lubna Y. Abbass,

Laboratory experiments were carried out to evaluate the response of 4th and 6th larval instars and 1week old adults Latheticus oryzae by exposure for 24, 48, and 72 hour to wheat treated with...

DOI: 10.33899/edusj.2008.56099

Investigation of beta-lactase enzymes in chromosomal bacilli isolated from diarrhea in children

Shaker Jarjees, Mahmoud Alleh,

ABSTRACT Thirty clinical isolates of gram negative bacilli isolated from diarrhea cases in children aged 5 years were investigated for the presence of -lactamases, and it was found that 21 (70%) of...

DOI: 10.33899/edusj.2008.56093

Investigation of AmpC-induced beta-lactase enzymes in some types of Gram-negative bacilli

Mahmoud Alhes,

ABSTRACT The detection of inducible AmpC -lactamases in (47) clinical isolates of gram negative bacilli, isolated from lower respiratory tract infections, was performed using disc induction method....

DOI: 10.33899/edusj.2008.56095

Use of overlap between cyclohexymide, chlorum L. wheat plants to be depleted and their effect on germination and number of phenotypesamafenicol, temperature and treatment mixture concentrations in raising the resistance of T.aestiv

Mohammed Sadeq, Ghareba Danyal,

Abstract Homogenized healthy seeds of Triticum aestivum L. Abo-Greab-3- cultivar were used to study the possibility of using a mixture of two protein synthesis inhibitors in Eukaryote and...

DOI: 10.33899/edusj.2008.56090