تصفح Academic حسب العنوان
السجلات المعروضة 10457 -- 10476 من 26785
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The Halloween Effect Anomaly: Evidence from Some Arab Countries Equity Markets
( Qatar University , 2007 , Article)This paper examines the existence of the Halloween effect for some Arab countries equity markets. The data set used in this study constitutes of daily stock prices for 9 Arab equity markets in the Middle East region. ... -
Halloysite nanotube and chitosan polymer composites: Physicochemical and drug delivery properties
( Editions de Sante , 2022 , Article)Advancement in healthcare requires sophisticated and safe drug delivery systems. An ideal drug delivering system should be non-toxic, therapeutically inert, and be able to deliver a wide range of drugs. Here, we report ... -
Halloysite Nanotube as Multifunctional Component in Epoxy Protective Coating
( American Chemical Society , 2016 , Article)The current research explores the use of halloysite nanotube as a multifunctional filler in epoxy coating for carbon steel. Epoxy monomer loaded halloysite was incorporated into epoxy coating along with amine hardener ... -
Halloysite nanotubes and halloysite-based composites for biomedical applications
( Elsevier , 2021 , Article)Novel biomaterials for diagnostics and therapeutics of biomedical issues have been considered using biomedical science and health care. Halloysite nanotubes (HNTs) are naturally occurring aluminosilicate clay. Because of ... -
Halobacteria-Based Biofertilizers: A Promising Alternative for Enhancing Soil Fertility and Crop Productivity under Biotic and Abiotic Stresses—A Review
( MDPI , 2023 , Other)Abiotic and biotic stresses such as salt stress and fungal infections significantly affect plant growth and productivity, leading to reduced crop yield. Traditional methods of managing stress factors, such as developing ... -
Halogen-free flame-retardant compounds. Thermal decomposition and flammability behavior for alternative polyethylene grades
( MDPI AG , 2019 , Article)The effect of six halogen-free flame retardant (FR) formulations was investigated on the thermal stability of two low-density polyethylenes (LDPE) and one linear low-density polyethylene (LLDPE), by means of thermogravimetric ... -
Halophytes and Soil Salinity in Qatar
( Qatar University , 2002 , Article)Saline soils cover approximately 6% of the land in Qatar. Halophytes are common along the coastal areas and inland salt flats and wetlands, where saline water is available in their natural habitats permanently or periodically. ... -
Halophytes as important sources of antioxidants and anti-cholinesterase compounds
( Springer International Publishing , 2021 , Book chapter)Halophytes are plants adapted to high salinity, and they are common in many places around the world where environmental conditions are inconvenient for the growth of conventional plants. Normally, plants exposed to harsh ... -
Halul and Sharao islands, offshore Qatar: Remnants of the great infracambrian Hormuz Salt basin
( springer link , 2004 , Article)Halul and Sharao islands, offshore Qatar, are among more than 200 islands in the Gulf region, which are believed to have formed by salt diapirism sourced in the Infracambrian Hormuz Salt Series. The islands are composed ... -
Handcrafted features with convolutional neural networks for detection of tumor cells in histology images
( IEEE Computer Society , 2016 , Conference Paper)Detection of tumor nuclei in cancer histology images requires sophisticated techniques due to the irregular shape, size and chromatin texture of the tumor nuclei. Some very recently proposed methods employ deep convolutional ... -
Handling Big Data in Modern Healthcare
( Oxford University Press , 2016 , Article)The constant growth of medical knowledge and the increases in specialization in clinical practice have created a significant need to share and access patient information with speed and efficiency. However, current ... -
Handling data uncertainties in event tree analysis
( Elsevier B.V. , 2009 , Article)Event tree analysis (ETA) is an established risk analysis technique to assess likelihood (in a probabilistic context) of an accident. The objective data available to estimate the likelihood is often missing (or sparse), ... -
Handoff-aware cross-layer assisted multi-path TCP for proactive congestion control in mobile heterogeneous wireless networks
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)Multi-Path TCP (MPTCP) is a new evolution of TCP that enables a single MPTCP connection to use multiple TCP subflows transparently to applications. Each subflow runs independently allowing the connection to be maintained ... -
Handover authentication for mobile networks: Security and efficiency aspects
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Article)A handover authentication module in mobile networks enables mobile nodes to securely and seamlessly roam over multiple access points. However, designing an appropriate handover authentication protocol is a difficult task ... -
A Hands-Free Interface for Controlling Virtual Electric-Powered Wheelchairs
( SAGE publications , 2016 , Article)This paper focuses on how to provide mobility to people with motor impairments with the integration of robotics and wearable computing systems. The burden of learning to control powered mobility devices should not fall ... -
HANDWRITING RECOGNITION IN ARABIC HISTORICAL MANUSCRIPTS
(06-2 , Dissertation)Document Analysis and Recognition significantly impact humanitarian studies by revealing information hidden in historical document collections worldwide. This research area merges the sciences of computer vision and machine ... -
HapticSnakes: multi-haptic feedback wearable robots for immersive virtual reality
( Springer London , 2019 , Article)Haptic feedback plays a large role in enhancing immersion and presence in VR. However, previous research and commercial products have limitations in terms of variety and locations of delivered feedbacks. To address these ... -
Haralick feature extraction from time-frequency images for epileptic seizure detection and classification of EEG data
( IEEE , 2014 , Conference Paper)This paper presents novel time-frequency (t-f) features based on t-f image descriptors for the automatic detection and classification of epileptic seizure activities in EEG data. Most previous methods were based only on ... -
Haralick feature extraction from timefrequency images for automatic detection and classification of audio anomalies for rd surveillance
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)In this paper, we propose a novel method for the detection of road accidents by analyzing audio streams for road surveillance application. In the last decade, due to the increase in a number of people and transportation ... -
A Hard Test of Individual Heterogeneity in Response Scale Usage: Evidence From Qatar
( Oxford University Press , 2016 , Article Review)A common approach to correcting for interpersonal differences in response category thresholds in surveys is the use of anchoring vignettes. Here we present results from the first applications of anchoring vignettes in ...
