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28 articles for “Ahmed Ibrahim”

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Research ArticleOpen accessIn the author namesDecision Making and Predicting the Cost for the Optimal Structural System of Multi-Story BuildingsHosam Elhegazy, Ahmed Ebid, Ibrahim M. Mahdi et al.There are numerous structural lateral systems used in multi-story buildings design such as the shear wall, frame system, framed with core, dual systems and superframes, etc. Additionally, the system of slabs such as (Solid Slab, Flat Slab, Flat plates, Hollow blocks, ... and Waffle Slabs). Generally, the structural systems of multi-story buildings are considered to be different types. Multi-story buildings … …American Journal of Engineering and Applied Sciences, Vol. 14, Issue 2 · 7 Sep 2021 · 6,293 accessesView PDFCite
Research ArticleOpen accessIn the author namesPleural Effusion Detection Using Optimized Pretrained ModelsRehab Fathi Ibrahim, Nashwa Mohamed Elsayed et al.Pleural effusion is an abnormal accumulation of fluid in the pleural cavity, posing a significant thoracic issue with various causes. Even with a variety of diagnostic techniques, accurate diagnosis remains challenging. Delays in diagnosis and treatment heighten the risks of the disease. In this paper, we introduce a novel approach by leveraging the Grey Wolf Optimizer (GWO) to systematically optimize … …Journal of Computer Science, Vol. 21, Issue 8 · 17 Oct 2025 · 2,317 accessesView PDFCite
Research ArticleOpen accessIn the author namesImpact of Long-Term use of Mobile Phones on the Prostate in Human usersMadyha Hassan Mahmoud, Nadia Youssef Morcos, Khadiga Salah Ibrahim et al.The current study investigated some possible effects of long-term use of mobile phones on the oxidative-antioxidants balance and its effect on the prostate. Twenty-eight eligible volunteers frequently use mobile phones and from the same socioeconomic status were enrolled in the study. They were examined according to the effect of time every two years for a follow-up period with four years. … …OnLine Journal of Biological Sciences, Vol. 20, Issue 4 · 24 Dec 2020 · 6,438 accessesView PDFCite
Review ArticleOpen accessIn the author namesDrug Repositioning in Response to COVID-19 and other Challenging DiseasesHyellavala Joseph Fomnya, Saidu Ibrahim Ngulde, Sarah Malgwi Gana et al.Coronavirus disease is a highly contagious infection that is majorly associated with upper respiratory tract illnesses. The World Health Organization (WHO) label the novel coronavirus disease COVID-19 after an epidemic of the disease in Wuhan, Hubei province (China). Over 90 clinical trials, including drug repositioning, have been initiated to get COVID-19 treatment/management. Antibiotic resistance, drug tolerance, mutation, and adverse drug … …American Journal of Pharmacology and Toxicology, Vol. 17, Issue 1 · 28 Nov 2022 · 9,508 accessesView PDFCite
Research ArticleOpen accessIn the author namesInvestigation of Periodic Points in Algebraic VarietiesAhmed M. Ibrahim, Elhadi E. E. DalamThe aims of this study, the researchers inspected that if X an algebraic variety over a field K and f is a f1+2ε(P) = P for other ε >- 1/2, then the aset of periods time is limited and the little one is 1+2ε. Also the researchers confirmed that if O be a separate estimate ring of characteristics zero with … …American Journal of Applied Sciences, Vol. 18, Issue 1 · 4 Oct 2021 · 6,809 accessesView PDFCite
Research ArticleOpen accessIn the author namesEnhancement of Nutritional Quality of Wheat (Triticum aestivum) by Metabolic Engineering of Isoflavone PathwayAhmed Mohamed El-Shehawi, Abdelmegid Ibrahim Fahmi, Mona Mohamed Elseehy, Hesham Ahmed NagatyIsoflavones are large group of secondary metabolites produced in legumes such as soybeans. They have essential biological functions as nutraceutical and health functions for human. They are involved in plant resistance to biotic and abiotic stresses, symbiotic relationship with nitrogen-fixing organisms and plant competition (allelopathy). In this report, isoflavonoids were expressed in wheat (Triticum aestivum) via introducing the key enzymes … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 4 · 20 Dec 2013 · 7,139 accessesView PDFCite
Research ArticleOpen accessIn the author namesAntioxidant and Antimutagenic Activities of Taif Grape (Vitis vinifera) CultivarsAbdelmegid Ibrahim Fahmi, Mohamed Ahmed Nagaty, Ahmed Mohamed El-ShehawiExtract of grape Vitis vinifera has been reported to exhibit antioxidant and antimutagenic activities and the phenolic compounds play a vital role in determining these activities. Therefore; the objective of the present study was to evaluate the antioxidant and anti-mutagenic activities as well as the phenolic composition of different grape cultivar extracts collected from Taif region. The grape cultivars namely; … …American Journal of Biochemistry and Biotechnology, Vol. 9, Issue 2 · 20 Jun 2013 · 8,016 accessesView PDFCite
Research ArticleOpen accessIn the author namesNew Trajectory Control Directional MWD Accuracy Prediction and Wellbore Positioning MethodAhmed Abd Elaziz Ibrahim, Tagwa Ahmed Musa, Tang FengLin, Yao AiGouThe deviation control is to restrict the drilling direction of the bit from time to time. The drilling direction is of course depending on the direction of the resultant forces acting on the bit. What is the relationship between these directions? Are there any other influential factors? Answers to such questions, different points of view were subjected to analysis. …American Journal of Applied Sciences, Vol. 2, Issue 3 · 31 Mar 2005 · 6,908 accessesView PDFCite
Research ArticleOpen accessIn the author namesHydrogeophysics Exploration Approximately Ain Al Atti (Region of Southeast Erfoud Morocco)Dakir Ibrahim, Benamara Ahmed, Aassoumi Habiba et al.Electrical resistivity and Very Low Frequency electromagnetic profiles (VLF) were introduced for a litho-structural study in the locality of Douira, located in the Errachidia basin. The electrical reading was carried out with a Schlemberger type device. The VLF profiles were implemented with a different length reaching 1600 m and profile lines oriented in the direction NNW-SSE and N-S. The VLF … …Current Research in Geoscience, Vol. 10, Issue 1 · 16 Dec 2020 · 10,745 accessesView PDFCite
Research ArticleOpen accessIn the author namesModeling of Some Dairy Performance Indices on Milk Somatic Cell Count in Holstein Dairy CowsAhmed Dawod, Sherif Shawky, Tamer M. Abdel-Hamid et al.This study was conducted to evaluate the direct and the indirect standardized effects of some dairy performance parameters (days dry, lactation length, parity, total milk yield and 305-day milk yield) on the milk Somatic Cell Count (SCC) of Holstein cows throughout modeling of these variables with the path analysis technique. During studying 617 Holstein cows were enrolled in the experiment … …American Journal of Animal and Veterinary Sciences, Vol. 14, Issue 4 · 27 Oct 2019 · 7,239 accessesView PDFCite