العدد الحالي
مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا
مجلد 1 عدد 4 (2023)
2023-12-21
10 مقال
المجلد الأول - العدد الرابع في مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا
المقالات
10 مقالات
كيفية الاقتباس
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف), “Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen,” jast , 2023 . DOI: 10.59628/jast.v1i4.563
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف), “Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف), “Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف), ‘Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف) (2023). Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.563
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف) "Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف) "Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Alhadi, F. A، Ibrahim, H.M، Alkadasy, A. K (المؤلف) (2023) 'Evaluation of Some Growth Parameters of Millet (Pennisetum glaucum (L.) R. Br.) Landraces Cultivated in Al-Mawaset District, Taiz Governorate, Yemen', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف)
2023-12-21
الملخص
Aluminum alloys are important in many industrial applications because of their light weight and good mechanical properties. In this study, the effect of copper addition with different percentages ( 0, 0.1, 0.2, 0.3wt. %) on the microstructure and mechanical strength of Al-Si alloy were studied using X-ray fluorescence (XRF), X-ray diffraction (XRD), scanning electron microscope (SEM) and Vickers hardness (Hv) tests. XRD and SEM analyses showed that the Al-Si alloy consisted of α-Al and Si phases. The intermetallic compound (IMC) CuAl2 was detected with the addition of Cu. This IMC causes a change in the lattice constant and inter-atomic spacing (dhkl). The distortion and dense of the microstructure are considered indications of the enhancement in the hardness of alloys. The Vickers hardness (Hv) was measured for the samples before and after sintering. The highest value was 28.755 Hv with 0.2wt. % Cu after sintering, whereas the smallest value was 11.643 Hv without Cu content before sintering. This improvement in hardness is attributed to the temperature that promotes the diffusion of Cu atoms into theAl lattices.
الكلمات المفتاحية
Hypereutectic
Microstructure.XRD
.Al-Si alloy
5. Vickers hardness.
كيفية الاقتباس
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف), “Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy,” jast , 2023 . DOI: 10.59628/jast.v1i4.685
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف), “Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف), “Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف), ‘Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف) (2023). Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.685
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف) "Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف) "Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Shakib Alsowidy، Olfat Humaid، Mohammed S. Gumaan، Belqueis Al-Asry (المؤلف) (2023) 'Effect of CuAl2 on the Microstructure and Hardness of Al-Si-xCu Alloys Produced by Powder Metallurgy', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف)
2023-12-21
الملخص
A linear analysis was performed to investigate the basic properties of waves propagating in different directions in magnetized quantam plasma consisting of classical warm ions and relativistic degenerate electrons. We employ a quantum magnetohydrodynamic approach considering quantum corrections, spin effects in addition to relativity, and a polytropic index to obtain a generalized dispersion relation of the regarded plasma system. The considered system supports three types of magnetohydrodynamic waves: Alfven, fast, and slow magnetosonic waves. The obtained modified Alfven and magnetosonic dispersion relations are affected by the obliqueness factor, spin magnetization, and plasma beta .The fast and slow modes were also altered owing to the Bohm potential and relativistic degenerate pressure impacts. Examination of the influences of these parameters revealed a significant modification of the phase velocity features of the magnetohydrodynamic waves. The results obtained may be applicable to relativistic magnetized quantum plasmas in astrophysical environments.
الكلمات المفتاحية
Magnetohydrodynamic waves
Relativistic degenerate plasma
Alfven waves
Magnetosonic waves
QuantamMagnetohydrodynamic model
كيفية الاقتباس
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف), “Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma,” jast , 2023 . DOI: 10.59628/jast.v1i4.583
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف), “Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف), “Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف), ‘Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف) (2023). Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.583
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف) "Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف) "Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Yusra A. A. Hager، Mahmood A. H. Khaled، Mohamed A. Shukri (المؤلف) (2023) 'Characteristics of magnetohydrodynamic waves propagating in a magnetized relativistic degenerate plasma', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف)
2023-12-21
الملخص
The matrix's complexity makes measuring acrylamide in food items challenging, requiring a time-consuming extraction technique and high method sensitivity. A homemade solid phase extraction (SPE) device and a gas chromatography/nitrogen phosphorus detector (GC/NPD) were used to establish a simple and inexpensive acrylamide detection method in fried fish. Optimization and validation were used to measure acrylamide concentrations in twelve fried fish samples, four of which were home-fried and eight from Sana'a, Yemen, restaurants. The validated technique has high linearity R2 (0.995) in the 0.02–4 ppm range of acrylamide standards and good sensitivity with LOD (0.0062 ppm), substantially below the authorized level. The twelve samples had acrylamide values of 0.0583–0.4643 ppm. Due to variations in thermal treatments during frying, market-fried fish samples had greater acrylamide concentrations than home-fried fish samples. In the current study, the improved simple extraction process and GC/NPD protocol were useful for acrylamide measurement and may be employed as a prescreening tool for food sector acrylamide quantification.
الكلمات المفتاحية
Acrylamide
Optimization
c-SPE
Development
GC/NPD
Fried Fish
Yemeni Market
كيفية الاقتباس
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف), “Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples,” jast , 2023 . DOI: 10.59628/jast.v1i4.698
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف), “Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف), “Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف), ‘Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف) (2023). Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.698
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف) "Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف) "Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Mahfoudh M. AL-Hammadi، Numan Numan، Anass A. Alnedhary، Fatima A. Murshed، Taiseer H. Al-Hoded (المؤلف) (2023) 'Optimization, Validation, and Application of a Quantitative GC/NPD Method for Acrylamide Determination in Yemeni Fried Fish Samples', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف)
2023-12-21
الملخص
Arabic information retrieval is challenging due to the language's complex morphology and syntax. Preprocessing and stemming improve the accuracy and efficiency of Arabic information retrieval. This paper provides a comprehensive analysis of the existing literature on Arabic preprocessing and stemming techniques. The paper identifies the limitations and challenges of these techniques. The paper emphasizes the importance of preprocessing and stemming and underscores the need for further research to improve Arabic information retrieval. This study evaluates ten stemmers on a public dataset. The results show that root-based stemmers: Lucene, and khoja got the highest reduction rate 90.9%, and 85% respectively. The results emphasize that root-based stemmers have good conflating ability for similar terms, while light-based stemmers under-stem similar terms.
الكلمات المفتاحية
Natural Language Processing
Information Retrieval
Arabic Information Retrieval
Stemming
Text Preprocessing
كيفية الاقتباس
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف), “Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text ,” jast , 2023 . DOI: 10.59628/jast.v1i4.588
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف), “Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text .” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف), “Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text .” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف), ‘Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text ’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف) (2023). Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text . مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.588
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف) "Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text " مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف) "Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text " مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Abdualmajed A. G. Al-Khulaidi ، Samer Mohammed Yaseen (المؤلف) (2023) 'Comparative Analysis and Evaluation of Stemming and Preprocessing Techniques for Arabic Text ', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف)
2023-12-21
الملخص
The emergence of antibiotic-resistant bacteria is a major global public health concern. Antibacterial agents are one of the most exciting areas for the use of nanoparticles and have shown great potential as alternative antibacterial agents due to their outstanding physical and chemical properties. The biosynthesis and antibacterial activities of Silver Nanoparticles (AgNPs) could contribute to the development of innovative antimicrobial drugs with potential for a variety of medical applications.
The X Ray Diffraction (XRD) results showed that the formed particles were pure silver nanoparticles with a cubic crystal structure and granular size. Fourier-transform infrared (FTIR) also showed that functional aggregates formed, and the thumb region confirmed the presence of silver nanoparticles. In addition, we investigated the Uv-Visible and biological activity of AgNPs. A study of the biological activity of gram-positive (Staphylococcus aureus) and gram-negative (Escherichia coli, and Klebsiella pneumonia) bacteria showed the importance of nano-silver particle biosynthesis.
الكلمات المفتاحية
Sn- Cu -In alloy
Partical size
Cu addition
Structural Properties
Mechanical properties
كيفية الاقتباس
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف), “Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities,” jast , 2023 . DOI: 10.59628/jast.v1i4.619
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف), “Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف), “Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف), ‘Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف) (2023). Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.619
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف) "Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف) "Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Maher.A. Al-Maqtari، Bushra.M. Alattab، Ahmed.Ali. Qaid (المؤلف) (2023) 'Biosynthesis of Silver Based Nanoparticles Using Plant Leaves Extracts and Their Antibacterial Activities', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف)
2023-12-21
الملخص
The performance of a classification model in machine learning is affected by many factors, such as the type of machine learning technology used. Accuracy varies from method to method. This paper presents a comparison between the performance of different models in terms of the machine learning technique used (e.g. KNN, NB, SVM, DT, RF, MLP). Based on the data provided by the Tax Authority of Yemen, which is related to the commercial and industrial profits tax, which consists of 760 attributes, after the preprocessing of data. The dataset partition technique used k-fold validation. The paper shows that the e Naïve Bayes (NB) classifier gave the highest result in accuracy and other measures. Then KNN, SVM, and RF gave the same results in accuracy 99.87%, but in SVM, KNN the results were also the same in the rest measures, while in RF models the rest measures were 97.91%,99.95%, and 98.91% in Recall, Precision and F-score in order. MLP gave 98.42 in accuracy with 66.62%, 64.21%, and 64.40 in the recall, Precision, and F-score, then DT gave 97.76% in accuracy with 57.006% ,99.24% and 72.41% in the recall, precision, and F-score.
الكلمات المفتاحية
ML techniques
K-Fold Validation
Dataset of Tax
Performance measures
كيفية الاقتباس
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف), “A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion,” jast , 2023 . DOI: 10.59628/jast.v1i4.528
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف), “A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف), “A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف), ‘A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف) (2023). A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.528
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف) "A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف) "A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Abeer Abdullah Shujaaddeen، Fadl M.M. Ba-Alwi (المؤلف) (2023) 'A Comparative Study of the Performance of Machine Learning Models on a Tax Dataset of Yemen to Detect Levels of Tax Evasion', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف)
2023-12-21
الملخص
Frequent set-item mining is a widely used technique in the field of data mining. The algorithm utilized in Association Rules constitutes the primary source of contention; this approach is memory-intensive and time-intensive. The extraction process for concealed patterns of frequent item sets, on the other hand, becomes more time-consuming as the volume of data grows. Therefore, the necessary algorithm for mining the patterns of frequently occurring concealed item sets must be memory-efficient and fast-running. By analyzing various algorithms for locating frequent item sets, this paper aims to contribute to the development of a more efficient algorithm in this domain. The paper will evaluate the efficiency of different algorithms by considering their memory usage and runtime. Additionally, it will explore potential improvements to existing algorithms to enhance their performance in mining frequently occurring concealed item sets.
الكلمات المفتاحية
Data mining
frequent patterns
Big data
FP-growth
KDD
كيفية الاقتباس
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف), “Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden,” jast , 2023 . DOI: 10.59628/jast.v1i4.663
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف), “Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف), “Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف), ‘Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف) (2023). Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.663
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف) "Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف) "Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Abdulkader Mohammed Abdulla Al-Badani، Abdualmajed A. G. Al-Khulaidi (المؤلف) (2023) 'Analysis Of Mining Algorithms for Patterns of Frequent Item sets and Hidden', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف)
2023-12-21
الملخص
The drug's stability, which is a prerequisite for good drug quality, cannot be simply established unless a reliable and trustworthy method for demonstrating stability is applied. Creating such a method is a challenging task. In this work, we developed and validated a reversed-phase stability indicating liquid chromatographic technique with photo diode-array detection to analyze paracetamol (PCM), methylparaben (MP), propylparaben (PP), and their degradants in commercial oral suspension. The compounds and their degradants were separated using a Phenomenex C8 column (250 mm x 4.6 mm, 5 µm) and a mobile phase of pH 4 consisting acetonitrile, potassium di-hydrogen ortho-phosphate, tri-ethylamine, and glacial acetic acid in a 40:58:1.5:0.5 ratio, at 1.2 mL/min. All chemicals separated in within 12 min. The developed method followed the guidelines of the International Conference on Harmonization (ICH) and fulfilled all its requirements in terms of linearity, recovery, reproducibility, detection, and quantitation limits. The dependability of the developed method was shown by recoveries of 98.88% to 101.80% in 102 samples from 34 batches, indicating that it can be used in quality control step for paracetamol, methylparaben, and propylparaben in oral suspension products.
الكلمات المفتاحية
Oral suspension
paracetamol
parabens
RP-HPLC
stability assay
validation
كيفية الاقتباس
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف), “Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages,” jast , 2023 . DOI: 10.59628/jast.v1i4.539
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف), “Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف), “Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف), ‘Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف) (2023). Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.539
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف) "Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف) "Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Mahfoudh Al-Hamadi، Abdualqawi A. Numan، Alshmmakh Alshmmakh، Anass Alnedhari، Ali Al-Kaf (المؤلف) (2023) 'Develop and Validate a Stability-Indicating HPLC Assay Method for Paracetamol, and parabens in Pharmaceutical Dosages', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف)
2023-12-21
الملخص
The presence of Hg in canned tuna flesh is a major source of customer concern. Thus, the primary goal of this investigation was to evaluate total mercury levels in Yemeni canned tuna. Thirty-one samples of seven popular locally canned tuna brands were acquired from local stores in Sana'a. A Direct Mercury Analyzer was used to determine the mercury content. The linearity of the method was tested by assessing a series of mercury standards in triplicates at concentrations ranging from 20 to 500 ppb. The correlation coefficient for this method was 0.9993. The repeatability of the procedure was measured as intra-day variation and given as the relative standard deviation, which did not exceed 4.45%. This indicated the excellent precision of the method. Mercury recoveries from spiked actual canned tuna samples were between 96.61% and 100.49%, demonstrating excellent accuracy and an acceptable procedure for mercury measurement. The limits of detection and quantitation were 1.62 ppb and 5.4 ppb, respectively. The mercury content in 31 canned tuna samples was less than the 500 ppb standard imposed by the Yemeni Organization for Standards Metrology and Quality Control (YSMO).
الكلمات المفتاحية
Mercury
Yemen
DMA
Canned tuna
كيفية الاقتباس
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف), “Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer,” jast , 2023 . DOI: 10.59628/jast.v1i4.664
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف), “Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف), “Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer.” مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023) .
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف), ‘Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer’, مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا , 2023 .
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كيفية الاقتباس
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف) (2023). Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer. مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا. https://doi.org/10.59628/jast.v1i4.664
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف) "Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا (2023): . Web.
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف) "Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer" مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا 2023): .
Mahfoudh M. AL-Hammadi، Anass A. Alnedhary، Abdualqawi A. Numan، Fatima A. Murshed، Ranya A. Al-Alie (المؤلف) (2023) 'Validation and Determination of Mercury in Yemeni Common Canned Tuna Using Direct Mercury Analyzer', مجلة جامعة صنعاء للعلوم التطبيقية والتكنولوجيا.
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