Search Results - "Saeed, N"

On vibration behavior and motion bifurcation of a nonlinear asymmetric rotating shaft by Saeed, N. A.

“…This article investigates the nonlinear vibrations of asymmetric vertically supported Jeffcott rotor system. Asymmetry in both linear and nonlinear stiffness…”
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Lateral vibration control and stabilization of the quasiperiodic oscillations for rotor-active magnetic bearings system by Saeed, N. A., Kandil, Ali

“…This work aims to improve the vibrational behaviors of the rotor-active magnetic bearings (AMB) system via proposing a new control methodology for such lateral…”
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Active magnetic bearing-based tuned controller to suppress lateral vibrations of a nonlinear Jeffcott rotor system by Saeed, N. A., Kamel, M.

“…Active magnetic bearing system is an up-to-date technology that supports rotors without physical contacts and facilitates the vibration control in rotating…”
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Combination resonances of a dual-rotor-bearing-casing system by Chen, Yi, Hou, Lei, Lin, Rongzhou, Wang, Yilong, Saeed, N. A., Chen, Yushu

“…In this paper, the combination resonance characteristics of a high-dimensional dual-rotor-bearing-casing system with bearing nonlinearities are presented. All…”
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Nonlinear vibration control of a horizontally supported Jeffcott-rotor system by Eissa, M, Saeed, NA

“…A positive position feedback (PPF) controller is proposed to control the nonlinear vibrations of a horizontally supported Jeffcott-rotor system. A nonlinear…”
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On the nonlinear oscillations of a horizontally supported Jeffcott rotor with a nonlinear restoring force by Saeed, N. A., El-Gohary, H. A.

“…This paper deals with the vibration analysis of a horizontally supported Jeffcott rotor system. Both nonlinear restoring force and the rotor weight are…”
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Photoluminescence studies of a YOF phosphor synthesized by the pyrolysis method by Saeed, N.A.M., Coetsee, E., Swart, H.C.

“…Photoluminescence (PL) studies of praseodymium (Pr3+) doped yttrium oxyfluoride (YOF) samples were investigated for solar cell applications. The PL emission…”
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Disparities in Access to Corneal Tissue in the Developing World by Liu, Catherine, Saeed, Hajirah N.

“…Corneal disease is a leading cause of blindness worldwide. For most blinding corneal conditions, keratoplasty is the only way of restoring sight…”
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Tectono‐Sedimentary Evolution of Shale‐Related Minibasins in the Karvandar Basin (South Sistan, SE Iran): Insights From Magnetostratigraphy, Isotopic Dating, and Sandstone Petrology by Ruh, J. B., Valero, L., Najafi, M., Etemad‐Saeed, N., Vouga, J., Mohammadi, A., Landtwing, F., Guillong, M., Cobianchi, M., Mancin, N.

“…Sediments deposited into foreland basins can provide valuable insights related to the geological evolution of their hinterlands. Located in the peripheral…”
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Synthesis, Identification, and Evaluation of New Pyrimidine and Pyrazole Derivatives Bearing a Quinazolin-4(3H)-one Moiety, Including Antibacterial, Antifungal, and Antioxidant Effects by Saeed, N. N., Al-Majidi, S. M. H.

“…New azo pyrimidine and pyrazole derivatives containing a quinazolin-4(3 H )-one moiety were synthesized, and their antioxidant and antimicrobial effects were…”
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Knowledge of final-year medical students about oral and maxillofacial surgery: a two-centre study by Hamid, S., McNeillis, B., Saeed, N.

“…The aim of this study was to assess the exposure of final-year medical students to oral and maxillofacial surgery (OMFS) and to find out how this has…”
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New Frontiers in Acanthamoeba Keratitis Diagnosis and Management by Shareef, Omar, Shareef, Sana, Saeed, Hajirah N

“…Keratitis (AK) is a severe corneal infection caused by the species of protozoa, potentially leading to permanent vision loss. AK requires prompt diagnosis and…”
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The prevalence of clinically meaningful malocclusion among US adults by Asiri, Saeed N., Tadlock, Larry P., Buschang, Peter H.

“…Objective The primary purpose of this study was to statistically evaluate age, ethnic and sex differences in the prevalence of clinically meaningful…”
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Juvenile idiopathic arthritis of the temporomandibular joint – no longer the forgotten joint by Patel, K., Gerber, B., Bailey, K., Saeed, N.R.

“…Juvenile idiopathic arthritis (JIA) of the temporomandibular joint (TMJ) is common in children, with an increasing awareness of the condition in all healthcare…”
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Comparison of tissue biomarkers in arterial and vein (arteriovenous fistula) aneurysms by Shahri, Jamal J, Saberianpour, Shirin, Bayegi, Saeed N

“…Aneurysms are distinguished by inflammation, matrix degradation, and apoptosis of smooth muscle cells. In this study, specialized aneurysms tissue markers…”
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Utilizing time-delays to quench the nonlinear vibrations of a two-degree-of-freedom system by Saeed, N. A., El-Ganaini, W. A.

“…Although, time-delays are considered an undesirable phenomenon in the active control system, this article shows how to utilize time-delays to mitigate the…”
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Positive position feedback (PPF) controller for suppression of nonlinear system vibration by El-Ganaini, W. A., Saeed, N. A., Eissa, M.

“…In this paper, a study for positive position feedback controller is presented that is used to suppress the vibration amplitude of a nonlinear dynamic model at…”
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Targeting Obesity and Diabetes to Treat Heart Failure with Preserved Ejection Fraction by Altara, Raffaele, Giordano, Mauro, Nordén, Einar S, Cataliotti, Alessandro, Kurdi, Mazen, Bajestani, Saeed N, Booz, George W

“…Heart failure with preserved ejection fraction (HFpEF) is a major unmet medical need that is characterized by the presence of multiple cardiovascular and…”
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Predictive risk factors for facial nerve injury in temporomandibular joint replacement surgery by Saeed, N.R., McLeod, N.M.H.

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Evaluation of Compliance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) Guidelines for Conducting and Reporting Systematic Reviews in Three Major Periodontology Journals by Alharbi, Fahad, Gufran, Khalid, Alqerban, Ali, Alqahtani, Abdullah Saad, Asiri, Saeed N, Almutairi, Abdullah

“…Background Data from the systematic review, with or without meta-analysis, form the basis of evidence-based medicine. Therefore, these studies should be…”
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