1.

Determination of pKa for some Schiff bases derived from benzaldehyde and amino phenols by conductivity measurement

Pages 1-15
M. M. Gh. A. E. AL-Dabbagh

2.

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

Pages 16-26
W. AL-Kattan; E. AL-Nidaa

3.

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

Pages 27-34
Khalid Daoud; Shaima S. Ismaeel; Yassir S. Mohamad

4.

Spectrophotometric method for the determination of tolnaftate in pharmaceutical preparations

Pages 35-42
Nief Rahman Ahmed; Nawfal Sheet Mohamad

5.

Spectrophotometric Determination Of Nitrazepam And Dapson Using Vanillin Reagent in Pharmaceutical Preparations

Pages 43-57
Maha Al-Obaidi; Theiaa Al-Sabha; Thabit S. Al-Ghabsha

6.

Comparative Study of DNA Sequences for Genes Encoding Urease in Klebsiella pneumoniae and Proteus mirabilis

Pages 58-68
Mohammed Z. Saeed

7.

Isolation and Characterization of Bacillus spp. with Antagonistic Activities for Biological Control

Pages 69-77
Omar Mu'ayad Al-Obaidy

8.

Deviations of the Surface Brightness Distribution in Isolated Elliptical Galaxies

Pages 78-91
Omar Salih

9.

On Solutions of a Quadratic Integral Equation of Urysohn Type

Pages 92-96
Lamyaa H. Sadoon

10.

Two New Extended PR Conjugate Gradient Methods for Solving Nonlinear Minimization Problems

Pages 97-115
Abbas AL-Bayati; Rana AL-Kawaz

11.

Automatic Continuity of Dense Range Homomorphisms into Multiplicatively Semisimple Complete Normed Algebras

Pages 116-121
RUQAYAH N. BALO

12.

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

Pages 1-11
Adel Azzoz; rawaa Suliaman

13.

Effect of fasting on certain immune factors

Pages 12-21
Mahmoud Altobji

14.

Modification of the geological properties of Baiji asphalt using microwave technology

Pages 22-43
Khalid Awyed; Rami Abdulahed

15.

Extraction and diagnosis of fatty acids for Sinorhizobiummeliloti bacteria

Pages 44-52
Alyaa Alqosaimi

16.

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

Pages 53-70
Aryan Hamed

17.

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

Pages 71-89
Abdulazeez Al-Safawi; Azhar Al-Assaf

18.

Producing poly-β-hydroxybutyrate from local isolates of risobium bacteria

Pages 90-104
Raad Sultan; Wajdan Qasim

19.

Stimulate the production of antibiotics using local isolates of the genus Streptomyces using chemical and physical mutants

Pages 105-118
Mohammed Qasim; Safaa Alobaidi; Arwa thannon

20.

Effect of Lactobacillus acidophilus bacteria on some types of pathogenic bacteria and aspergillus parasiticus in the production of toxins and growth

Pages 119-125
Hamed Mohammed; Salah Ahmed; Aleya Kamel

21.

Temperature effect on IR diode emission parameters

Pages 126-141
Bashar Al-Sheeti

22.

Use of graphs in the statistical modeling process

Pages 142-157
Hasmeek Wartan

23.

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

Pages 158-168
Yahya Ibraheem

24.

Remove regular noise from gray digital images using spatial filters

Pages 169-179
Alhan Al-Saffar


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