Browsing Qatar University Institutional Repository by Title
Now showing items 15145-15164 of 28269
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New electrospun polystyrene/Al2O3 nanocomposite superhydrophobic coatings; Synthesis, characterization, and application
( MDPI AG , 2018 , Article)The effect of electrospinning operational parameters on the morphology, surface roughness, and wettability of different compositions of electrospun polystyrene (PS)-aluminum oxide (Al2O3) nanocomposite coatings was ... -
New elevator system constructed by multi-translator linear switched reluctance motor with enhanced motion quality
( Institution of Engineering and Technology , 2020 , Article)In this work, a new elevator system created by a linear switched reluctance motor is presented. Unlike conventional linear motors, the proposed linear motor has more than one translator. Each phase in a translator generates ... -
New evaluation of a forgotten American woman writer
( Qatar University , 1998 , Article)Caroline Lee Hentz was a best-selling author. All of her books enjoyed a wide popularity, 100,000 copies being sold in a three year period over her life time. Furthermore, her books continued to sell following her death ... -
New fast arctangent approximation algorithm for generic real-time embedded applications
( MDPI AG , 2019 , Article)Fast and accurate arctangent approximations are used in several contemporary applications, including embedded systems, signal processing, radar, and power systems. Three main approximation techniques are well-established ... -
NEW FLEXIBLE POLYVINYLIDENE FLUORIDE NANOCOMPOSITES FOR FUTURE APPLICATIONS
(2017 , Master Thesis)In this work, we report novel flexible polyvinylidene fluoride (PVDF) hybrid pressure sensors with good mechanical properties. Hybrid combinations of reduced graphene oxide (rGO) with different nano metal oxides -titanium ... -
A new forecasting scheme for evaluating long-term prediction performances in supply chain management
( John Wiley & Sons, Ltd. , 2014 , Article)Supply chain management (SCM) practitioners in inventory sites are often required to predict the future sales of products in order to meet customer demands and reduce inventory costs simultaneously. Although a variety of ... -
A New Framework for Smart Doors Using mmWave Radar and Camera-Based Face Detection and Recognition Techniques
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)By integrating IoT technology, smart door locks can provide greater convenience, security, and remote access. This paper presents a novel framework for smart doors that combines face detection and recognition techniques ... -
New Generation Anti-Obesity Pharmacotherapy: Companion or Competitor to Metabolic bariatric Surgery?
( Elsevier , 2024 , Other)Glucagon-like peptide-1 receptor agonists (GLP-1RAs), which were originally developed and approved for the management of type 2 diabetes, have recently been demonstrated to yield significant weight loss accompanied by ... -
New Heuristic Strategies for Reactive Power Compensation of Radial Distribution Feeders
( IEEE , 2002 , Article)In this paper, the authors introduce two new heuristic techniques for reactive power compensation in radial distribution feeders. The methods can be considered as generalization ideas that emerged from recent heuristic ... -
New High Gain 2LC-Y Multilevel-Boost-Converter (2LC-Y MBC) Topologies for Renewable Energy Conversion: Members of X-Y Converter Family
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)This paper presents a new high gain 2LC-Y Multilevel-Boost-Converter or 2LC-Y MBC topologies for renewable energy conversion. Four new topologies 2LC-L MBC, 2LC-2L MBC, 2LC-2LC MBC, and 2LC-2LCm MBC are developed by ... -
New housing patterns and spatial fragmentation in Gulf cities
( Routledge , 2019 , Article)recent years, the rapid growth of Gulf cities has led to a transformation of local settlement structures. The key objective of this paper is to deliver an overview of new housing patterns and how they impact spatial ... -
A new improved graphical and quantitative method for detecting bias in meta-analysis.
( Lippincott, Williams & Wilkins , 2018 , Article)Detection of publication and related biases remains suboptimal and threatens the validity and interpretation of meta-analytical findings. When bias is present, it usually differentially affects small and large studies ... -
New insight into the role of PTCH1 protein in serous ovarian carcinomas.
( Spandidos Publications , 2022 , Article)The Hedgehog (Hh) signaling pathway is essential for normal embryonic development, while its hyperactivation in the adult organism is associated with the development of various cancers. The role of the Hh signaling pathway ... -
New insight into the synthesis of large-pore ordered mesoporous materials
( American Chemical Society , 2017 , Article)Ordered mesoporous materials (OMMs) have received increasing interest due to their uniform pore size, high surface area, various compositions and wide applications in energy conversion and storage, biomedicine and environmental ... -
New insights about the introduction of the Portuguese oyster, Crassostrea angulata, into the North East Atlantic from Asia based on a highly polymorphic mitochondrial region
( EDP Sciences , 2016 , Article)It is commonly presumed that the Portuguese oyster Crassostrea angulata was introduced into the North East (NE) Atlantic from Asia. The analysis of the nucleotide sequence of a highly polymorphic non-coding mitochondrial ... -
New insights on estimating pore size distribution of latex particles: Statistical mechanics approach and modeling
( Elsevier B.V. , 2016 , Article)New statistical mechanics approach for pore size distribution applied in wide the relative pressure range is proposed. The new proposed model was applied to nitrogen adsorption-desorption isotherms at 77 K onto five ... -
New inverting modified CUK converter configurations with switched inductor (MCCSI) for high-voltage/low-current renewable applications
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Inverting Modified CUK Converter with Switched Inductor (MCCSI) configurations are articulated in the paper for high-voltage and low-current renewable energy applications. Based on the Switched Inductor (SI) position in ... -
A new iterative learning control method for PWM inverter current regulation
( IEEE , 2003 , Conference Paper)AC servomotor speed or current controller based on PI control and/or optimal control, can not eliminate the cyclical fluctuations of speed or current when subject to periodic disturbances. PWM inverters output waveforms ... -
New Lights on Mamluk Cartouches and Blazons Displayed in the Museum of Islamic Arts, Doha: An Art Historic Study
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)The Mamluk dynasty ruled in Egypt and Syria from the overthrow of the Ayyubid dynasty in 1250 until the Ottoman conquest in 1517. The Mamluk sultanate developed a system of pictorial heraldic blazons and inscribed cartouches ... -
A New Liquid Membrane Electrode For Selective Determination Of Caffeine
( Qatar University , 1984 , Article)A new liquid membrane electrode for caffeine prepared from a solution of caffeine-picrylsulfonate ion-pair complex in n-octanol is developed. It exhibits Nernstian response in the range of 10'2 to lO^M caffeine with a ...