97 results for "Ahmed Adam"
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Hybrid and deep learning architectures for predictive maintenance: Evaluating LSTM, and attention-based LSTM-XGBoost on turbofan engine RUL
Accurate prediction of a machines Remaining Useful Life (RUL) underpins modern, costeffective predictive-maintenance programmes. This paper proposes a two-stage hybrid pipeline that couples sequence learning with tree-based residual modelling. In stage 1, 50-cycle windows of NASA C-MAPSS sensor…
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A guidewire on your fingertip: A novel innovative technique
Objective: We aimed to describe a novel method to attain direction and control of the guidewire at the fingertip. This will serve to allow for ease of guidewire placement during open and combined open and endoscopic surgery. Subjects and methods: Over a gloved hand, a ureteric catheter is placed…
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Transurethral guidewire loop for manipulation and extraction of stent: A novel, innovative, video-endoscopic technique in ureteral stent removal
Abstract. Background. Ureteral stent removal is one of the most common procedures performed in urology. Herein, we describe a novel technique for stent removal using transurethral guidewire loop for manipulation and extraction of stents method. We aimed to evaluate the role, feasibility, cost…
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الرحلة اليهودية في الأرض المقدسة عصر الحروب الصليبية )1099 – 1291م/ 492 – 690هـ (
تعد الحروب الصليبية إحدى الظواهر الرئيسية المميزة لتاريخ العصور الوسطى. وقد استمدت أهميتها من عدة جوانب، من أهمها أنها استغرقت في الشرق قرنين من الزمان في بلاد الشام، وعلى ذلك فإن أهمية دراسة هذه الحروب لا تقتصر على الناحية العسكرية والسياسية فحسب، بل هي بالأحرى دراسة للأوضاع الحضارية والاحتكاك…
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Advanced Drive System for DC Motor Using Multilevel DC/DC Buck Converter Circuit
This paper presents a new topology of clamped diode multilevel DC/DC buck power converter for a DC motor system. The proposed converter circuit consists of four cascaded MOSFET power switches with three clamping diodes and four voltage sources (voltage cells) connected in series. The main objective…
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The impact of diabetes and hypertension on renal allograft survival— A single center study
Abstract. Background. To determine the impact of pre-transplant diabetes mellitus (DM) and post-transplant hypertension (HT) at 1 year on renal allograft survival in all adult first kidney-only (FKO) transplant recipients at a single transplant center in Johannesburg, South Africa. Materials and…
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Determinants of the early initiation of breastfeeding in the Kingdom of Saudi Arabia
BACKGROUND: National surveys in the Kingdom of Saudi Arabia continue to show rates of breastfeeding below global recommendations. Delay of timely or early initiation of breastfeeding is common in the community. Current approaches are not addressing the major constraints. Objectives of this study…
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The impact of deceased versus living donor graft status on kidney transplant outcomes: A Johannesburg single-center 48 years experience of 1685 patients
Abstract. Background. This study is aimed to determine the impact of living donor (LD) versus deceased donor (DD) kidney transplantation on renal graft survival and patient overall survival rates within Johannesburg, South Africa. Materials and methods. A retrospective assessment was conducted of…
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The Effect of PT Link and Waterbath Antigenic Retrieval Procedures On The Expression of Common Receptors In Breast Cancer Cases
Background: Antigen retrieval (AR) techniques play a major role in determining the quality and functional state of tissue proteins recovered from formalin fixed paraffin embedded blocks (FFPEB). Different techniques are used each with its merits and drawbacks. Materials and Method: FFPEB from cases…
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Pediatric tizanidine toxicity reversed with naloxone: a case report
Abstract Background Tizanidine, an α-2 adrenoceptor agonist, is widely prescribed for the management of spasticity in adults. Case reports on pediatric tizanidine overdose are limited. Here, we report a case of pediatric tizanidine toxicity that was reversed with naloxone. Case presentation A…
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Study of 27 Y-STR markers in United Arab Emirates population
The recently introduced 6-dyes Yfiler® Plus multiplex kit which includes 27 Y-STR loci has been used to study 436 UAE Arab male individuals. In addition to the 17 Y-STRs traditionally used in Yfiler® multiplex kit, Yfiler® Plus has ten additional Y-STRs. It includes seven rapidly mutating Y-STRs…
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A low-cost simulation model for priapism detumescence training
Ischaemic priapism is a urological emergency requiring prompt intervention to prevent complications such as erectile dysfunction. Because of its low incidence, opportunities for hands-on training are limited, particularly in resource-constrained settings. To address this gap, we developed a…
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Assessment of the Implementation of Sustainable Open Access Repositories in Nigerian Universities
The assessment was performed according to 57 indicators across the nine determinants identified in the model, including stakeholder engagement, community competence, content development, technology innovation, feedback systems, regulatory support, institutional cooperation, cultural inclusivity…
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Automatic Voltage Stabilization Using IGBT Based on Load Tap Changer With Fault Consideration
In this work, a voltage regulation scheme to stabilize voltage variation in the consumer side is proposed. The voltage regulation scheme uses IGBT-based onload tap changer (OLTC) and nonlinear hysteresis control algorithm. The proposed switching algorithm establishes the commutation of the taps…
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The battleship study: An innovation towards precision in prostate biopsy and brachytherapy grid usage
Abstract Objectives This study aimed to compare the efficiency and accuracy of a conventional prostate brachytherapy grid with a novel Zebra grid using a laboratory‐based simulation model (ProGrid model). Methods This prospective and comparative experimental pilot study was conducted using a…
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Viscosity, excess molar volume prediction, and Gibbs free energy for Binary Mixtures of m-Cresol + Polyethylene glycols at T = (288.15 to 308.15) K and 96.5 kPa
The viscosities of pure liquids and binary mixtures of m-cresol with PEG 200, PEG 300, and PEG 400 were measured over the temperature range 288.15–308.15 K at 96.5 kPa. The viscosity data were used to evaluate viscosity deviation (Δη) and excess Gibbs free energy of activation (ΔG*ᴱ) to elucidate…
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A Numerical Investigation of the Flame Characteristics of a CH4/NH3 Blend Under Different Swirl Intensity and Diffusion Models
This study investigates the effects of diffusion modeling and swirl intensity on flow fields and NO emissions in CH4/NH3 non-premixed swirling flames using large eddy simulations (LESs). Simulations are performed for a 50/50 ammonia–methane blend at three global equivalence ratios of 0.77, 0.54…
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First report of successful refashioning using the Bracka technique after complete glans penile amputation from a dog bite injury in a child
…procedure. Cite this article as: Naidoo K, Bokhari A, Rooi A, Adam A. First report of successful refashioning using the Bracka technique after complete glans penile amputation from a dog bite injury in a child. Turk J Urol 2020; 46(5): 403-6.