تصفح Faculty Contributions حسب العنوان
السجلات المعروضة 12349 -- 12368 من 17983
-
Phase Reconfiguring Technique for Enhancing the Modulation Index of Multilevel Inverter Fed Nine-Phase im Drive
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)In this article, a multilevel inverter (MLI) scheme is proposed for four-pole (4-pole), nine-phase (9-phase) induction motor (IM) drives with improved dc bus utilization as well as reduced device count. The proposed MLI ... -
Phase, microstructure, and wear behavior of Al2O3-reinforced Fe-Si alloy-based metal matrix nanocomposites
( SAGE Publications Ltd , 2020 , Article)In the present work, phase, microstructure, and wear properties of Al2O3-reinforced Fe–Si alloy-based metal matrix nanocomposites have been studied. Composites using 2 wt.% and 5 wt.% of Si and rest Fe powder mix were ... -
Phase-I monitoring of high-dimensional covariance matrix using an adaptive thresholding LASSO rule
( Elsevier , 2020 , Article)High-dimensional variability monitoring and diagnosing is of great prominence for the quality improvement and cost reduction. Most of the existing control charts are mainly based on the assumption that the in-control ... -
Phase-space matching between bent Laue and flat Bragg crystals
( International Union of Crystallography , 2019 , Article)Through phase-space analysis of Dumond diagrams for a flat Bragg crystal, a single bent Laue crystal and a monochromator consisting of double-bent Laue crystals, this work shows that it is possible to match the flat Bragg ... -
Phenethyisoquinoline alkaloids from the leaves of Androcymbium palaestinum
( Elsevier , 2020 , Article)Thirteen compounds were isolated from the methanolic extract of the leaves of Androcymbium palaestinum Baker (Colchicaceae). Of these, three were new, two were new natural products, and eight were known. The new isolated ... -
Phenol degradation by powdered metal ion modified titanium dioxide photocatalysts
(2012 , Article)Conventional water purification and disinfection generally involve potentially hazardous substances, some of which known to be carcinogenic in nature. Titanium dioxide photocatalytic processes provide an effective route ... -
Phenolic contents-based assessment of therapeutic potential of Syzygium cumini leaves extract
( Public Library of Science , 2019 , Article)Syzygium cumini (S. cumini) is an evergreen tropical plant that is well recognized for its therapeutic potential of common diseases. In this study, the therapeutic potential and biomedical application of S. cumini are ... -
The phenomenon of domestic servants in the State of Qatar
( Association of American Geographers , 2015 , Conference Paper)Of new phenomena that emerged in the State of Qatar, and on a large scale in the post-oil era (after 1950) is domestic servant's phenomenon. Historically, the phenomenon was presented in the pre-oil and limited to the homes ... -
Phenotypic switching of vascular smooth muscle cells in atherosclerosis, hypertension, and aortic dissection
( Wiley-Blackwell , 2024 , Article)Vascular smooth muscle cells (VSMCs) play a critical role in regulating vasotone, and their phenotypic plasticity is a key contributor to the pathogenesis of various vascular diseases. Two main VSMC phenotypes have been ... -
Phenylalanine derivatives with modulating effects on human α1-glycine receptors and anticonvulsant activity in strychnine-induced seizure model in male adult rats
( Elsevier B.V. , 2017 , Article)The critical role of α1-glycine receptor (α1-GLYRs) in pathological conditions such as epilepsy is well known. In the present study, structure-activity relations for a series of phenylalanine derivatives carrying selected ... -
Philistine Doomsday and the Vasa Mortis of Solomon and Saturn II
( Springer Netherlands , 2016 , Article)This paper reviews and assesses past scholarship on the so-called vasa mortis riddle of the Old English poem Solomon and Saturn II (lines 75-103) before proposing its own solution. It examines the trajectory of the scholarly ... -
Philosophy, Theories, Models, and Strategies in Pharmacy Education: An Overview
( Elsevier , 2018 , Book chapter)Pharmacy education has a very important role in determining the quality of pharmacists who will work for society in the future. There is a great need for revolution and innovation in pharmacy education and training. Pharmacy ... -
Phloretin attenuates STAT-3 activity and overcomes sorafenib resistance targeting SHP-1-mediated inhibition of STAT3 and Akt/VEGFR2 pathway in hepatocellular carcinoma
( BioMed Central Ltd. , 2019 , Article)Background: Hepatocellular carcinoma (HCC) is the most common primary liver malignancy. Phloretin (PH) possesses anticancer, antitumor, and hepatoprotective effects, however, the effects and potential mechanisms of phloretin ... -
Phospholipase C zeta and calcium oscillations at fertilisation: The evidence applications and further questions
( Elsevier Ltd , 2018 , Article)Oocyte activation is a fundamental event at mammalian fertilisation, initiated by a series of characteristic calcium (Ca2+) oscillations in mammals. This characteristic pattern of Ca2+ release is induced in a species-specific ... -
Phospholipase C zeta profiles are indicative of optimal sperm parameters and fertilisation success in patients undergoing fertility treatment.
( wiley , 2020 , Article)Oocyte activation is driven by intracellular calcium (Ca ) oscillations induced by sperm-specific PLCζ, abrogation of which causes oocyte activation deficiency in humans. Clinical PLCζ investigations have been limited to ... -
Phospholipid fatty acid composition of nine marine sponges from Qatar
( IFREMER , 1998 , Conference Paper)Phospholipid fatty acid composition was studied in sponge from Qatar including eight Demospongia and one Calcarea. More than 60 fatty acids were identified in each species as methyl esters and N-acyl pyrrolidides by gas ... -
Phospholipid Fatty Acids Compositions of Sponges from Qatar I- Haplosclerida
( Qatar University , 2006 , Article)The phospholipid fatty acid contents of six Haplosclerida sponges collected along Qatari ;ts, Arabian Gulf, were identified by coupling GC-MS experiments. More than hundred of rated and unsaturated fatty acids have been ... -
Phosphonated Lower-Molecular-Weight Polyethyleneimines as Oilfield Scale Inhibitors: An Experimental and Theoretical Study
( American Chemical Society , 2022 , Article)For many years, amino methylenephosphonate (-CH2-N-PO3H2)-based scale inhibitors (SIs) have been deployed for preventing various scales in the oil and gas industry, particularly for squeeze treatment applications. However, ... -
Phosphonated Polyetheramine-Coated Superparamagnetic Iron Oxide Nanoparticles for Inhibition of Oilfield Scale
( American Chemical Society , 2023 , Article)Oilfield scale is one of the significant problems in hydrocarbon production in the oil and gas industry. Many research groups have attempted to develop greener chemicals to meet environmental regulations. Magnetic nanoparticles ... -
Photo-irradiation paradigm: Mapping a remarkable facile technique used for advanced drug, gene and cell delivery
( Elsevier , 2015 , Article)Undoubtedly, the progression of photo-irradiation technique has provided a smart engineering tool for the state-of-the-art biomaterials that guide the biomedical and therapeutic domains for promoting the modern pharmaceutical ...
