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Now showing items 12366-12385 of 50233
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Hierarchical Confinement Effect with Zincophilic and Spatial Traps Stabilized Zn-Based Aqueous Battery
( American Chemical Society , 2022 , Article)Zn-based aqueous batteries (ZABs) have been regarded as promising candidates for safe and large-scale energy storage in the "post-Li" era. However, kinetics and stability problems of Zn capture cannot be concomitantly ... -
Hierarchical deep learning approach using fusion layer for Source Camera Model Identification based on video taken by smartphone
( Elsevier , 2024 , Article)Over the last decade, videos uploaded and shared through web-based multimedia platforms and mobile applications have proliferated worldwide. This is because cloud-based applications such as iCloud, YouTube, Facebook, ... -
Hierarchical Federated Learning for Collaborative IDS in IoT Applications
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)As the Internet-of-Things devices are being very widely adopted in all fields, such as smart houses, healthcare, and transportation, extremely huge amounts of data are being gathered, shared, and processed. This fact raises ... -
Hierarchical Federated Learning over HetNets enabled by Wireless Energy Transfer
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Conference Paper)Training centralized machine learning (ML) models becomes infeasible in wireless networks due to the increasing number of internet of things (IoT) and mobile devices and the prevalence of the learning algorithms to adapt ... -
Hierarchical Floor Plan For Vlsi Integrated Circuits Based On Analytical Techniques
( Qatar University , 1990 , Article)The physical design of electronic circuits consists of transforming a design specification into a representation to be used in the manufacture of the physical circuits. At Very Large Scale Integration (VLSI) level it becomes ... -
Hierarchical Fusion Using Subsets of Multi-Features for Historical Arabic Manuscript Dating
( MDPI , 2022 , Article)Automatic dating tools for historical documents can greatly assist paleographers and save them time and effort. This paper describes a novel method for estimating the date of historical Arabic documents that employs ... -
Hierarchical honeycomb auxetic metamaterials
( Nature Publishing Group , 2015 , Article)Most conventional materials expand in transverse directions when they are compressed uniaxially resulting in the familiar positive Poisson’s ratio. Here we develop a new class of two dimensional (2D) metamaterials with ... -
Hierarchical Nanostructured MWCNT MnF2 Composites With Stable Electrochemical Properties as Cathode Material for Lithium Ion Batteries
( Wiley-VCH Verlag , 2018 , Article)Multi-walled carbon nanotubes?manganese(II) fluoride (MWCNT?MnF2) composite was prepared by a simple two-step method. In the first step, a wet chemistry reaction between manganese (II) nitrate, Mn(NO3)2, and hexafluoroslicic ... -
Hierarchical ordered macro/mesoporous titania with a highly interconnected porous structure for efficient photocatalysis
( Royal Society of Chemistry , 2016 , Article)In this study, a 3-dimensional interconnected hierarchical ordered macro/mesoporous titania (HOPT) with thin walls, crystalline framework, large cavities (?420 nm), uniform mesopores (3.7 nm) and high surface area (177 m2 ... -
Hierarchical porous carbon by ultrasonic spray pyrolysis yields stable cycling in lithium-sulfur battery
( American Chemical Society , 2014 , Article)Utilizing the unparalleled theoretical capacity of sulfur reaching 1675 mAh/g, lithium-sulfur (Li-S) batteries have been counted as promising enablers of future lithium ion battery (LIB) applications requiring high energy ... -
Hierarchical Porous Carbon Nitride-Crumpled Nanosheet-Embedded Copper Single Atoms: An Efficient Catalyst for Carbon Monoxide Oxidation
( American Chemical Society , 2022 , Article)Rational design of metal single-site embedded porous graphitic carbon nitride (P-g-C3N4) nanostructures exploiting maximum atom utilization is warranted to enhance the thermal CO oxidation (COOx) reaction. Herein, a facile, ... -
Hierarchical security paradigm for iot multiaccess edge computing
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)The rise in embedded and IoT device usage comes with an increase in LTE usage as well. About 70% of an estimated 18 billion IoT devices will be using cellular LTE networks for efficient connections. This introduces several ... -
Hierarchically Patterned Elastomeric and Thermoplastic Polymer Films through Nanoimprinting and Ultraviolet Light Exposure
( American Chemical Society , 2018 , Article)The surface relief structure of polymer films over large areas can be controlled by combining nanoscale imprinting and microscale ultraviolet-ozone (UVO) radiation, resulting in hierarchical structured surfaces. First, ... -
Hierarchy based information requirements for sustainable operations of buildings in Qatar
( Elsevier , 2017 , Article)Information flows in construction projects are generally focused on the needs of the design and construction phases. This creates disruption of workflows across the project stages and in particular with the information ... -
Hierarchy based information requirements for sustainable operations of buildings in Qatar
( Elsevier Ltd , 2017 , Article)Information flows in construction projects are generally focused on the needs of the design and construction phases. This creates disruption of workflows across the project stages and in particular with the information ... -
The hierarchy of authority based on kinship, age, and gender in the extended family in the Arab gulf states
( William S. Hein & Co., Inc , 2013 , Article)Almost all aspects of life in the Arab Gulf States, including family, have been touched by rapid, unstoppable social change. Nevertheless, certain aspects of the family remain intact. That is, although the nuclear family ... -
High and Ultra-high Performance Concretes: A Solution to Reinforced Concrete Durability under Harsh Climate of Arabian Gulf
( Qatar Univesrity Press , 2020 , Conference Paper)Reinforced concrete (RC) infrastructure in the Arabian Gulf region deteriorates under severe environmental conditions after only short service life. To overcome this problem, it is imperative to employ high-quality concretes ... -
High Brightness and High Voltage Dimmable LED Driver for Advanced Lighting System
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Article)In energy efficient system designs, LED lighting leads to reduction in global energy demand. This paper proposes a high brightness, high efficiency, dimmable LED driver based on linear current regulator technology for DC ... -
High capacity carbon dioxide adsorption by inexpensive covalent organic polymers
( Royal Society of Chemistry , 2012 , Article)Efficient CO2 scrubbing without a significant energy penalty remains an outstanding challenge for the fossil fuel-burning industry where aqueous amine solutions are still widely used. Porous materials have long been evaluated ... -
High Chili Intake and Cognitive Function among 4582 Adults: An Open Cohort Study over 15 Years.
( MDPI , 2019 , Article)We aimed to examine the association between chili intake and cognitive function in Chinese adults. This is a longitudinal study of 4852 adults (age 63.4 ± 7.7) attending the China Health and Nutrition Survey during 1991 ...
