Volume 29 Issue 4

Published: 2025-06-25

Contents


Article
Study The Responsory And Quantum Efficiency of Silicon P-N Junction by Using Pulse Plasma

Salah A. Sheet, Mohammad N. Abdulwahab,

In this work we have used plasma pulsed injector to prepare a P-N junction. Antimony was deposited on P-type silicon wafer and Indium was deposited on N-type silicon wafer. They were considered as...

DOI: 10.33899/edusj.2020.167287

Pages: 259-278
Research Paper
Calculation Values of potential Stickiness (S*) and Apparent Activation Energy (AAE) from Adsorption of Some Aromatic Carboxylic Acids on the Surface of a New Adsorbent Substance

Khaleel Ibrahim Alniemi,

Abstract: This study includes calculation of the potential stickiness (S*) and apparent activation energy (AAE) by the adsorption process of some aromatic carboxylic acids using sand (clay) as a...

DOI: 10.33899/edusj.2020.126168.1021

Pages: 76-89
The rheological modification of the Daura asphalt in polycarbonate using the microwave technique

Salam jajo Karash, Khalid AL-Memary,

This study has included a modulation of the rheological properties of asphalt by a catalyst chemical treatment with polycarbonate, and the microwave technique was used at a power of (360) watt at...

DOI: 10.33899/edusj.2020.126779.1054

Pages: 1-21
The use of lignin in the rheological modification of Dura asphalt

saad salih alzbaidy, Ammar Al-Khazraji,

This study was included treatment of the Dura asphalt with lignin as a natural polymeric additive and air blowing with three paths. The first path: the rheological properties of the asphalt were...

DOI: 10.33899/edusj.2020.126782.1055

Pages: 22-41
Investigating the Numerical solution of the BoltzmannTransport Equation in silicon in Momentum Space Using Computational Systems of Different Dimensions

Mumtaz Mohammed Salih Hussien, Mahmood Majed Mahmood,

Abstract The Boltzmann transport equation is the basic equation for solving the transport of charge carrier (electrons, holes) problems in semiconductor devices. The distribution function has been...

DOI: 10.33899/edusj.2020.126828.1057

Pages: 108-123
Synthesis and Identification of Some Complexes of 4-[N-(2,4-Dihydroxybenzylidene ) imino] Antipyrinyl with Serine (L1) or with Theronine (L2) Ligands and Evaluation of Their Bacteria Activities

abdallah fathi fathi, amira alshaheen,

This work involves,the preparation, new ligands 4-[N- (2,4-Dihydroxybenzylidene) imino] antipyrinyl Serine (L1) or with Theronine (L2),. from these ligands ,ten Complexes have been synthesized with...

DOI: 10.33899/edusj.2020.126837.1058

Pages: 42-61
Spectrophotometric Determination of Thiamine hydrochloride Via Oxidative Coupling Reaction Using 4-Aminoantipyrine

Reem Abed Ahmed Al-Luhaiby, Mohammed Alenizzi

A sensitive spectrophotometric method has been developed for the determination of thiamine hydrochloride by oxidative coupling reaction of thiamine with the reagent 4-aminoantipyrine (4-AAP) in the...

DOI: 10.33899/edusj.2020.126895.1062

Pages: 62-75
The influence of relative refractive index and core diameter on properties of single-mode optical fiber.

sama mumtaz aldabagh, Manaf Saeed,

A study of the influence of the parameters design, such as the refractive index of the core, the cladding and the radius of the core on propagation constant () of single-mode optical fiber in...

DOI: 10.33899/edusj.2020.126908.1063

Pages: 124-139
Preparation of Some Benzothiazole Polymers and Study Their Electrical Conductivity Properties

Asaad Faisal Khattab, Haitham Ahmed Ayoob, Laith Mohammed Altaan,

As the conjugated polymers are doped with some electron donor or acceptor dopants, their electrical conductivity increased thoroughly to about 10-6 -1.cm-1. The doping of the polymers may give an n...

DOI: 10.33899/edusj.2020.126945.1066

Pages: 140-153
Comparative Morphological Study of Pollen Grains and Seeds of Cultivars from the Species Pyrus malus L. and Pyrus communis L. Cultivated in Northern of Iraq

Muna Omar Shehab, Amer Mohsen Al-Maathidy,

The present research includes a comparative morphological characters of pollen grains and seeds of (8) cultivars belonging the species Pyrus malus L. namely ("EarlyGold", "GrannySmith", "Royal...

DOI: 10.33899/edusj.2020.127063.1069

Pages: 90-107
The Effect of Some Antioxidants Compounds on Enzymatic and Nonenzymic Browning of Quince Juice During Thermal Treatment

Aya I Rashan, Omar Al-abbasy

Abstract: Enzymatic browning by tyrosinase and nonenzymatic browning (Maillard reaction) are responsible for producing new compounds which contributes considerably to the undesirable of aroma,...

DOI: 10.33899/edusj.2020.127190.1078

Pages: 206-221
A Taxonomic Study of Macro-and Micro Morphological Features of Fruits and Seeds Cultivars of the Species Belonging to the Genus Morus L. (Moraceae) Cultivated in the North of Iraq

Raad Hammad Al-Badrany, Aamer Mohsen Al-Mathidy,

The present work deal with the morphological characters of the fruits and seed of the cultivars belonging to the species Morus alba L. Namely ("Beautiful Day", "Big White", "Rease", "Greece",...

DOI: 10.33899/edusj.2020.127107.1074

Pages: 177-192
Employing Cloud Technologies in E-Learning Systems: University Students and Teachers’ Ability in Storing Information in “Cloud”: A “Google Classroom” Study

luqman Abdulrahman qader,

E-learning today has a significant impact on learning, due to its ease of accessibility and the fact that it does not take into account geography, politics, or narrow economic interests. This...

DOI: 10.33899/edusj.2020.127247.1080

Pages: 245-258
Synthesis of Some Heterocyclic Compounds Derived From 2-Amino Benzothiazole

Zainab Muataz Mahmood, Ahmad Kh. Ahmad,

In this thesis, Anmber of heterocylic compound with five and six memberd, Such as substituted imidazole, triazin and thiazolidine. The N-(1,3-benzothiazol-2-yl)-2-chloro acetamide compound(1) was...

DOI: 10.33899/edusj.2020.127562.1087

Pages: 193-205
Review Paper
Spectrophotometric Determination of Salbutamol Sulphate and Mefenamic Acid Using Azur-A Dye in Presence of Oxidizing Agent N-bromosuccinimide

subhi Mohsin jarullah, Asmaa Hamza Abbas Al-Hashemi,

A simple, accurate and sensitive indirect spectrophotometric method has been developed for the determination of salbutamol sulphate and mefenamic acid in pure forms and in pharmaceutical...

DOI: 10.33899/edusj.2020.127113.1072

Pages: 222-244
A Comparative Morphological Study of the Genus Juniperus L. ( Cupressaceae) in North of Iraq

Haees AL- Jowary, Aseel Aamer Aanad Al-Sharefy,

Abstract A new species of juniper is Juniperus macrocarpa, permissions not previously registered in Flora of Iraq that were composed ( Guest researchers and Ali al-Rawi,1966) so only two species...

DOI: 10.33899/edusj.2020.127106.1073

Pages: 154-176