Articles

• Chemistry

  The Study of Longmuir and Frendlich Adsorption Isotherms of Pd (II) Using Castors’ Leaves Powder

  Mussa Mohamed ⁽¹⁾ , Zeina Altbiny ⁽¹⁾ , Krima Kourtany ⁽¹⁾

  (1) Chemistry Department, Faculty of Education, Sebha University, Ghat, Libya

  188-194

  Abstract Views : 1091

  Download :745

  10.51984/jopas.v20i2.1738

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• Chemistry

  Determination of Lead Ion in the Presence of Pyridine-3-Carboxylic Acid Using Square Wave Voltammetry

  Mohammed Zidan ⁽¹⁾ , NurulHudahbt Rahman ⁽²⁾ , Nouria Ali ⁽¹⁾

  (1) Department of Chemistry, Faculty of Sciences, Sebha University, Sebha, Libya,

  (2) Department of Chemistry, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia

  157-160

  Abstract Views : 1368

  Download :473

  10.51984/jopas.v20i2.1090

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• Engineering sciences

  The Effects of Pits Size and Shape on Fatigue Crack Initiation

  Salah Gnefid ⁽¹⁾ , Robert Akid ⁽²⁾

  (1) Faculty of Natural Resources, Aljufra University, Sawknah, Libya,

  (2) مدرسة المواد ، جامعة مانشستر، مانشستر ، M13 9PL, United Kingdom

  195-203

  Abstract Views : 964

  Download :400

  10.51984/jopas.v20i2.1176

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• Basic Sciences

  Biological and Morphological Study on Some of the Spring Webworm, Ocnogyna Loewii, in Some Southern Regions Around the of El-Bayda City - Libya

  Youssef Zaied ⁽¹⁾ , Abdulhamid Almabruk ⁽¹⁾ , Sumia Abdalla ⁽¹⁾

  (1) Department of Plant Protection, College of Agriculture, University Omar Al-Mukhtar, El-Beida, Libya

  161-163

  Abstract Views : 1507

  Download :443

  10.51984/jopas.v20i2.1683

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• Chemistry

  Corrosion Inhibition of Mild Steel in Acidic Media by Expired Carbimazole Drug

  Aisha Al-abbasi ⁽¹⁾ , Ibrahim Shana ⁽¹⁾

  (1) Chemistry Department, Faculty of science/ Sebha University, Sebha, Libya

  176-180

  Abstract Views : 1428

  Download :510

  10.51984/jopas.v20i2.1646

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• Physics

  Structural evolution in 146–158 Nd isotopes using IBM-2 Hamiltonian

  Dalenda Nasef ⁽¹⁾ , Najat Eshaftri ⁽²⁾ , Ayad Ezwam ⁽¹⁾ , Suad Bogrin ⁽¹⁾ , Asma Elbendag ⁽¹⁾ , Sadiq El-kadi ⁽¹⁾

  (1) Physics Department, Faculty of Sciences, University of Tripoli, Tripoli, Libya,

  (2) General Department, High Institute of Engineering Technology Tripoli, Tripoli, Libya

  171-175

  Abstract Views : 1358

  Download :583

  10.51984/jopas.v20i2.1597

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• Basic Sciences

  Food Allergy in Children and the Nutritional Follow-up Quality

  Hoda Idres ⁽¹⁾ , Raja Buatig ⁽¹⁾

  (1) Department of Home Economics, Faculty of Agriculture, University of Tripoli, Tripoli, Libya

  181-187

  Abstract Views : 1480

  Download :931

  10.51984/jopas.v20i2.1403

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• Engineering sciences

  Geological study (preliminary) to evaluate the Volcanic Rocks and their Suitability in the Cement Industry

  Abdasalam Madi ⁽¹⁾ , Osama Al-Tarhouni ⁽²⁾ , Rahaf Al-Tarhouni ⁽¹⁾ , Hatem Sassi ⁽¹⁾

  (1) Department of Mining Engineering, Faculty of Engineering, University of Tripoli, Tripoli, Libya,

  (2) Department of Geological Research and Mining, Industrial Research Center, Tripoli, Libya

  164-170

  Abstract Views : 1430

  Download :1046

  10.51984/jopas.v20i2.1266

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• Chemistry

  Green Synthesis and Characterization of Crystalline CuO Nanoparticles Using Aqueous Mentha Piperita L. Leaf Extract

  Fatma Shtewi ⁽¹⁾ , Wedad Al-Adiwish ⁽¹⁾ , Hamid Alqamoudy ⁽¹⁾ , Awatif Tarroush ⁽¹⁾

  (1) Chemistry Department, Faculty of Science, Zawia University, Zawia, Libya

  1-6

  Abstract Views : 1633

  Download :1033

  10.51984/jopas.v20i2.1340

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• Biological Sciences

  Prevalence of Intestinal Parasites among Patients Attending Zella Central Laboratory, Zella City, Libya

  Khdija Ali ⁽¹⁾

  (1) Department of Biology, Faculty of Science, Aljufra University, Aljufra, Libya

  7-11

  Abstract Views : 1611

  Download :707

  10.51984/jopas.v20i2.1352

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• Computer Sciences

  XML Dataset and Benchmarks for Performance Testing of the CLS Labelling Scheme

  Alhadi Klaib ⁽¹⁾

  (1) Department of Computer Science, Faculty of Information Technology, Elmergib University, Elmergib, Libya

  12-15

  Abstract Views : 1397

  Download :506

  10.51984/jopas.v20i2.1243

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• Electronic engineering

  A Study and Description of the Femtocells Wireless Communication Networks

  Fathi Alwafie ⁽¹⁾ , Ali Ukasha ⁽¹⁾ , Nabeil Abujnah ⁽²⁾

  (1) Department of Electrical and Electronic Engineering, Faculty of Science Engineering and Technology, Sebha University, Sebha, Libya,

  (2) Department of Electrical and Electronic Engineering, Faculty of Engineering, University of Azzaytuna, Tarhuna, Libya

  16-21

  Abstract Views : 860

  Download :597

  10.51984/jopas.v20i2.1077

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• Computer Sciences

  Barriers Preventing Reaping the Benefits of E-commerce in Libya Prior to and During the COVID-19 Pandemic

  Ragab Ihnissi ⁽¹⁾ , Alhadi Klaib ⁽²⁾

  (1) Department of Computer Engineering, Faculty of Engineering-Regdalayn, University of Sabratha, Sabratha, Libya,

  (2) Department of Computer Science, Faculty of Information Technology, University of Elmergib, Elmergib, Libya

  22-28

  Abstract Views : 2001

  Download :782

  10.51984/jopas.v20i2.1351

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• Computer Sciences

  Novel Rules for Extracting the Entities of Entity Relationship Models

  Mussa Omar ⁽¹⁾ , Abdulrhman Alsheky ⁽²⁾ , Balha Faiz ⁽³⁾

  (1) Department of Computer Science, Faculty of Information and Technology, University of Ajdabyia, Ajdabyia, Libya,

  (2) General Department, Faculty of Information and Technology, University of Ajdabyia, Ajdabyia, Libya,

  (3) Information Technology Department, Faculty of Information and Technology, University of Ajdabyia, Ajdabyia, Libya

  29-35

  Abstract Views : 766

  Download :609

  10.51984/jopas.v20i2.1329

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• Electronic engineering

  Control and Modification of Two Vector αβ for 48-Pulse DVR to Reduce Total Harmonic Distortion Using Active Filter

  Ali Almathnani ⁽¹⁾ , Ali Lesewed ⁽²⁾ , A. A. Alsharef ⁽¹⁾ , Jamal Alakshi ⁽¹⁾

  (1) Department of Electrical and Electronic, Faculty of Engineering Sciences and Technology, Sebha University, Sebha, Libya,

  (2) Department of Electrical and Electronic, Faculty of Engineerin,g Zaitoona University, Tarhuna, Libya

  36-40

  Abstract Views : 1845

  Download :543

  10.51984/jopas.v20i2.1236

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• Basic Sciences

  Study of Some Indicators of Olive Production for a Selected Sample of Farmers in the City of Tarhuna

  Abdoulwahab Alazragh ⁽¹⁾ , Mahmud Geheder ⁽²⁾ , Abdullah Omar ⁽³⁾ , Fathi Faraj ⁽³⁾

  (1) Department of Environment and Natural Resources, Faculty of Agriculture, Azzaytuna University,Tarhuna, Libya,

  (2) Department of Agricultural Economics, Faculty of Agriculture, Azzaytuna University, Tarhuna, Libya,

  (3) Department of Environmental Sciences, Faculty of Science, Azzaytuna University, Tarhuna, Libya

  41-48

  Abstract Views : 1728

  Download :2473

  10.51984/jopas.v20i2.1451

  pdf (Arabic)
• Basic Sciences

  Comparative Study on the Physiochemical and Nutritional Properties of Fresh Milk Samples Collected from Farm Animals in Benghazi City, Libya

  Nagwa Ahmida ⁽¹⁾ , Seham Shaboun ⁽²⁾ , Mohemed Ahmida ⁽³⁾

  (1) Environmental Health Department, Public Health Faculty, University of Benghazi, Benghazi, Libya,

  (2) Pharmaceutical Chemistry Department, Faculty of Pharmacy, University of Benghazi, Benghazi, Libya,

  (3) Biological Sciences Department, Faculty of Applied Medical Sciences, Libyan International Medical University, Benghazi, Libya

  49-53

  Abstract Views : 1570

  Download :694

  10.51984/jopas.v20i2.1086

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• Physics

  Contribution of Temperature and Thickness in the Hyperfine Magnetic Field of W(110)/Fe(110)/Ag Thin Films

  T. M. Fayez ⁽¹⁾ , Ibrahim Saleh ⁽²⁾ , Mustafah Ahmad ⁽¹⁾

  (1) Physics Department, Faculty of Science, Sebha University, Sebha, Libya,

  (2) Physics Department, Faculty of Science, Benghazi University, Benghazi, Libya

  54-61

  Abstract Views : 934

  Download :466

  10.51984/jopas.v20i2.1452

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• Management

  Total Quality in the Central Library at the University of Sirte: An Analytical Study

  Abdussalam Alsalhin ⁽¹⁾ , Abeer Sasi ⁽¹⁾

  (1) Department of Business Administration, Faculty of Economics and Accounting, Sebha University, Sebha, Libya

  62-70

  Abstract Views : 1411

  Download :813

  10.51984/jopas.v20i2.1460

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• Physics

  Studying the Effect of Changing the Outer Diameter of the Transmitter Coil on the Performance of Wireless Power Transfer System used for Medical Purposes for Devices Implanted inside the Human Body

  Allalah Omran ⁽¹⁾ , M. M. Abulaweenat ⁽¹⁾

  (1) Department of Physics, Faculty of Science, Sebha University, Sebha, Libya

  71-76

  Abstract Views : 1224

  Download :400

  10.51984/jopas.v20i2.1462

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• Chemical Engineering

  Adsorption Of Chromium (VI) from an Aqueous Solution by the Nano-Zerovalent Iron/Activated Sepiolite Composite Adsorbent

  Amal Habish ⁽¹⁾ , Asma Milad ⁽¹⁾ , Feroz Mugber ⁽²⁾ , Rada Petrović ⁽³⁾

  (1) Department of Chemical and Petroleum Engineering, Faculty of Engineering, Elmergib University, Alkhoms, Libya,

  (2) Department of Chemical Engineering, Faculty of Engineering, Tripoli University, Tripoli, Libya,

  (3) Faculty of Technology and Metallurgy, University of Belgrade, 11000 Belgrade, Serbia

  77-82

  Abstract Views : 1099

  Download :383

  10.51984/jopas.v20i2.1494

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• Petroleum Engineering

  Petrophysical Analysis of Mabruk Reservoir in West Mabruk Oil Field, (Sirt Basin, Libya)

  Ziyad Ben Abdulhafid ⁽¹⁾ , Ibrahim Aldukali ⁽²⁾ , Entesar Haman ⁽³⁾

  (1) Petroluem Engennering Department, Faculty of Applied Sciences' Technology- Al-Awata, Tripoli, Libya,

  (2) Petroleum and gas Engineering Department, Faculty of Engineering, Sebha University, Sebha, Libya,

  (3) Petroleum Engineering Department, Faculty of Engineering, Zawia University, Zawia, Libya

  83-87

  Abstract Views : 1627

  Download :856

  10.51984/jopas.v20i2.1301

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• Basic Sciences

  Building Standardized Scores for the Physical Tests Used in the Admission of Students Applying for the Faculty of Physical Education and Sports Sciences at the University of Benghazi

  Fathi Al-Warshafani ⁽¹⁾ , Mohammed Al-Fazzani ⁽¹⁾ , Tawfiq Al-Haddad ⁽¹⁾

  (1) Faculty of Physical Education and Sports Sciences, University of Benghazi, Benghazi, Libya

  88-94

  Abstract Views : 1292

  Download :678

  10.51984/jopas.v20i2.1525

  pdf (Arabic)
• Economics

  The Impact of Government Stability on Libyan International Reserves: An Econometrics Study Using the ARDL Model

  Abdelhakim Embaya ⁽¹⁾

  (1) Economic Department, School of Administrative and Financial Sciences, Libyan Academy for Postgraduate Studies, Janzour, Libya

  95-100

  Abstract Views : 1477

  Download :659

  10.51984/jopas.v20i2.1417

  pdf (Arabic)
• Petroleum Engineering

  Estimation of Driving Mechanisms for Oil Reservoir Using Material Balance (MBAL Software): “A Case Study of Libyan Oil Field

  Madi Naser ⁽¹⁾ , Omar Azouza ⁽²⁾ , Faraj Abousedrah ⁽¹⁾

  (1) Oil and Gas Engineering, Faculty of Engineering, Misurata University, Misurata, Libya,

  (2) Industrial Engineering and Manufacturing, Faculty of Engineering, Misurata University, Misurata, Libya

  101-111

  Abstract Views : 2652

  Download :999

  10.51984/jopas.v20i2.1227

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• Economics

  The Impact of Public Investment on the Economic Growth in the Libyan Economy

  Basheer Balq ⁽¹⁾

  (1) Economics Department, the Libyan Academy, Janzour, Libya

  112-121

  Abstract Views : 1346

  Download :627

  10.51984/jopas.v20i2.1363

  pdf (Arabic)
• Physics

  A Mathematical Modeling Concept of the Time Dependent Schrödinger's Equation Using Maxwell's Equations and Special Relativity

  Z. D. Ahwidy ⁽¹⁾ , H.M. Malek ⁽²⁾ , Abdussalam Mansur ⁽²⁾ , Hana Salem ⁽²⁾ , Boubaker Hosouna ⁽³⁾

  (1) Science FacultyPhysics Department, Faculty of Science, Sebha University, Sebha, Libya,

  (2) Physics Department, Faculty of Science, Sebha University, Sebha, Libya,

  (3) Chemistry Department, Faculty of Science, Sebha University, Sebha, Libya

  122-128

  Abstract Views : 1073

  Download :728

  10.51984/jopas.v20i2.1384

  pdf (Arabic)
• Electronic engineering

  Control of Dynamic Voltage Restorer Using Novel Fast Two Vector Phase-Locked Loops Regulator

  Ali Almathnani ⁽¹⁾ , Ali Lesewed ⁽²⁾ , Jamal Alakshi ⁽³⁾ , Saleh Abuazoum ⁽¹⁾

  (1) Department of Electrical and Electronic Engineering, Faculty of Science Engineering and Technology, Sebha University, Sebha, Libya,

  (2) Department of Electrical and Electronic Engineering, Faculty of Engineering Zaitoona University, Tarhuna, Libya,

  (3) Department of Electrical and Electronic Engineering, Faculty of Science Engineering and Technology, Sebha University, Sebha, Liberia

  129-136

  Abstract Views : 1151

  Download :436

  10.51984/jopas.v20i2.1284

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• Chemistry

  Corrosion Inhibition Characteristics of Reinforced Steel in H₂SO₄ by Benzoyl Thiourea

  Zianab Abu alqassim ⁽¹⁾ , Omhani Almahdi ⁽¹⁾ , Omkalthoom Almassri ⁽¹⁾ , Aisha AL-abbassi ⁽²⁾

  (1) Chemistry Department, Faculty of Education, Sebha University, Ghat, Libya,

  (2) Chemistry Department, Faculty of Science, Sebha University, Sebha, Libya

  137-141

  Abstract Views : 1452

  Download :13

  10.51984/jopas.v20i2.1591

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• Engineering sciences

  The Use of Multiple Linear Regression Technology in Controlling the Technical Specifications of Industrial Products: Predicting the Mechanical Specifications of the Products of the Longitudinal Rolling Factory of the LISCo

  Omar Azouza ⁽¹⁾ , Madi Naser ⁽²⁾

  (1) Department of Industrial Engineering and Manufacturing, Faculty of Engineering, Misurata University, Misurata, Libya,

  (2) Department of Petroleum and Gas Engineering, Faculty of Engineering, Misurata University, Misurata, Libya

  142-153

  Abstract Views : 1373

  Download :566

  10.51984/jopas.v20i2.1320

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• Mathematics

  About New Class of Univalent Starlike Functions

  Milad Drbuk ⁽¹⁾ , Abdusalam Ahmed ⁽²⁾ , Z. H. Omer ⁽³⁾

  (1) Mathematics Department, Faculty of Science, Al-Mergib University, Msallata, Libya,

  (2) Mathematics Department, Faculty of Science,Azzaytuna University, Trahuna, Libya,

  (3) Department of Mathematics, The Libyan Academy, Tripoli, Libya

  154-156

  Abstract Views : 855

  Download :438

  10.51984/jopas.v20i2.1207

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