Volume 19 Issue 1
Published: 2025-06-25
Contents
Article
The Effect of Substitution on the Critical Temperature in the Superconducting Compound Y1-x-y CayPrxBa2Cu3O7
Bassam M. Mustafa,
Substitution mechanism have great effects on superconducting properties of HTSC. In this research a method is proposed to calculate the electrostatic energy for the high temperature...
Differential- Pulse Polarographic Determination of Doxycycline in Serum and Urine
Faris H. Abdul Razzak, Sadallah T. Sulaiman,
The polarographic behavior of doxycyline has been studied in phosphate buffer at different pH (2-9). The compound shows four reduction peaks at pH 2-4 , three reduction peaks are observed at pH...
Synthesis of Some New Heterocyclic Compounds Using Phase Transfer Catalysis Technique (PTC)
Amera M. AL-Rubay,
A series of substituted chalcones (1-6) were synthesized and used to prepare some new five membered heterocyclic compounds (pyrazolines) (7-12) by their condensation with phenylhydrazine, and six...
Application of Natural Reaeration Kinetics to Artificial Aeration
Khalid M. Shaheen,
The recalibrated Thackston and Krenkel (TK) equation, which was originally derived for natural reaeration of streams and rivers, is used here for the evaluation of artificial reaeration of water....
Square Wave Voltammetric Behaviour of N – Benzylidene Aniline and Some of Its Derivatives in Dimethyl Sulphoxide
Omar A. Shareef, Sadallah T. Sulaiman,
The square wave voltammetric (SWV) behavior of eight substituted N-benzylidene anilines (I-VIII) C6H5-CH=N-C6H4R Where R=H,p-CH3,m-CH3,p-OCH3,m-OCH3,p-Cl,p-Br,and p-I respectively have been...
Synthesis and Characterization of Some Cinnamaldehyde Schiff Base Complexes
Akram A. Mohammed, Najla H. Taher,
Metal complexes of the general formula [M(L)2]X {where M is Cr(III) and Fe(III) and L, N- (cinnamalidene) leucine or N- (cinnamalidene) phenylalanine is a Schiff base formed by condensation of...
Study the Relationships Between Cloudiness and Meteorological Factors in Mosul City
Yussra M. Abdullah,
This research investigates the relationships between cloudiness and different meteorological factors in Mosul City during the period (1980-2000). The result indicate that there is a significant...
The Electrical Characteristics of ( CdS – CdTe ) Structure Thin Films
Amir M. Nory,
Thin films of (CdS CdTe ) have been fabricated on glass substrates using vacuum thermal evaporation technique. The effect of substrate temperature on the electrical characteristics for the...
Isolation and Studying the Effect of Proteinous Fractions of Unripe Banana Fruit (Musa paradisiaca L.) on Some Biochemical Parameters in Experimental Diabetic Rats
Laylas F. Bedewe, Zena A. Al-Jawadi, Tareq Y. Ahmad,
The research was an attempt to isolate and study the active proteinous compounds from the aqueous extract of unripe banana (Musa paradisiaca L.), using different biochemical techniques. One major...
The Effect of Silica Filler and Aging on Breakdown Voltage and Some Mechanical Properties of Styrene-Butadiene Rubber(SBR)/Silica
Sanaa M. Al-Delaimy,
The effect of silica filler percent on breakdown voltage(VBD) and some mechanical properties (Tensile strength (T.S),Ultimate elongation (E%)and Equilibrium swelling (Q%)) of StyreneButadiene...
Synthesis of Some Quinazolines and Imidazolo-[1,5-a]-3,1-benzoxazine-4-one Derivatives
Nameer S. Ezzat,
Some substituted N-methylene-2-(3,1-benzoxazonyl-4-one) amide (3a-c) were prepared from reaction of acetic anhydride with N-acyl anthranilic acid (2a-c) was synthesized from anthranilic acid with...
Study of Charge-Transfer Complexes of Salicylideneanilines with Eu(fod)3 in Carbon Tetrachloride by U.V. Spectroscopy
Amel G. Abed, Nada B. Shareef, Isam J. AL-Nuri,
Salicylideneanilines in CCl4 form 1:1 charge transfer complexes with Eu(fod)3, indicated by the observation of a new longer wavelength band (~435 nm). Equilibrium constant values (K) for the...
