Browsing Academic by Title
Now showing items 4471-4490 of 26238
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Compliance checking for usage-constrained credentials in trust negotiation systems
( Springer Berlin Heidelberg , 2012 , Conference Paper)We propose an approach to placing usage-constraints on RT credentials; issuers specify constraints by designing non-deterministic finite automata. We show by examples that this approach can express constraints of practical ... -
Complications of Diabetes Mellitus Among Patients Attending Outpatient Clinics in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2003 , Article)The objective of this study was to explore the prevailing complications of diabetes mellitus and to explore some of the associated factors among Qatari patients previously diagnosed as having diabetes mellitus. A random ... -
Complications of Intrathecal Baclofen Pump Therapy: An Institutional Experience from Saudi Arabia.
( MDPI , 2023 , Article)The intrathecal baclofen pump (ITB) is one of the advanced treatment options in the management of spasticity. This retrospective cohort study was conducted to identify the complications of ITB treatment at a tertiary care ... -
Composite Hat Structure Design for Vehicle Safety: Potential Application to B-Pillar and Door Intrusion Beam
( MDPI , 2022 , Article)Regarding crashworthiness, many published works have focused on designing thinwalled structures for frontal collisions compared to side-impact collisions. This paper presents an experimental investigation and finite element ... -
Composite sandwich structures for crashworthiness applications
(2007 , Article)Fibre-reinforced polymer sandwiches are promising materials for reducing vehicle mass, thereby improving the fuel economics. Nonetheless, to fully explore these materials as the primary structures and energy absorbers in ... -
Composition and characteristics of trabecular bone in osteoporosis and osteoarthritis
( Elsevier Inc. , 2020 , Article)Background Bone strength depends on multiple factors such as bone density, architecture and composition turnover. However, the role these factors play in osteoporotic fractures is not well understood. Purpose The aim ... -
The Composition and Writing of the Qurʾān: Old Explanations and New Evidence
( Qatar University Press , 2020 , Article)يعارض هذا البحث الفكرة السائدة لدى الكثير من الباحثين الغربيين منذ مطلع القرن السابق بأن القرآن الكريم لم يكتمل ككتاب منزّل خلال حياة النبي بل أخذ شكله النهائي بعد وفاته بفترة غير قصيرة. ومقابل هذه الفكرة يسلط الضوء على ... -
Composition Loss for Counting, Density Map Estimation and Localization in Dense Crowds
( Springer Verlag , 2018 , Conference Paper)With multiple crowd gatherings of millions of people every year in events ranging from pilgrimages to protests, concerts to marathons, and festivals to funerals; visual crowd analysis is emerging as a new frontier in ... -
Composition of the immune microenvironment differs between carcinomas metastatic to the lungs and primary lung carcinomas.
( Elsevier , 2018 , Article)Lungs are among the most common sites for development of both primary and metastatic carcinomas. Tumor cells expression (TC) of PD-L1 is an important predictor of the of response to immune check-point inhibition in NSCLC, ... -
Compositional engineering of the pi-conjugated small molecular VOPcPhO : Alq3 complex to boost humidity sensing
( Royal Society of Chemistry , 2017 , Article)This study exhibits a solution-processed organic semiconductor humidity sensor based on vanadyl 2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), tris-(8-hydroxy-quinoline)aluminum (Alq3), and their composites. ... -
Compositional engineering of VOPcPhO-TiO2 nano-composite to reduce the absolute threshold value of humidity sensors
( Elsevier B.V. , 2017 , Article)This research work demonstrates compositional engineering of an organic-inorganic hybrid nano-composites for modifying absolute threshold of humidity sensors. Vanadyl-2,9,16,23-tetraphenoxy-29H,31H-phthalocyanine (VOPcPhO), ... -
Compositional transformations in ion implanted polymers
( Elsevier , 2005 , Conference Paper)Changes of surface layer composition produced by ion bombardment of polyethylene and polypropylene samples were studied. These materials are under consideration for load bearing surfaces in biological and technical ... -
Comprehensive analysis of cancers of unknown primary for the biomarkers of response to immune checkpoint blockade therapy
( Elsevier Ltd , 2018 , Article)Background: Cancer of unknown primary (CUP) accounts for approximately 3% of all malignancies. Avoiding immune destruction is a major cancer characteristic and therapies aimed at immune checkpoint blockade are in use for ... -
A comprehensive analysis of healthcare big data management, analytics and scientific programming
( IEEE , 2020 , Article)Healthcare systems are transformed digitally with the help of medical technology, information systems, electronic medical records, wearable and smart devices, and handheld devices. The advancement in the medical big data, ... -
Comprehensive analysis of the maxillary esthetic zone for immediate implant placement using cone beam computed tomography: A study of 352 maxillary images
( Elsevier , 2024 , Article)Statement of problem: Previous studies have examined the maxillary esthetic zone for immediate implant placement, but these studies had small sample sizes and did not investigate multiple parameters. Purpose: The ... -
Comprehensive assessment and evaluation of correlations for gas-oil ratio, oil formation volume factor, gas viscosity, and gas density utilized in gas kick detection
( Elsevier B.V. , 2021 , Article)For reliable gas kick detection modeling and simulation, the PVT properties of the gas must be predicted accurately. The property correlations available in open literature are developed mostly for certain regions and ... -
Comprehensive evaluation of long-term aging of asphalt mixtures in hot climatic condition
( Taylor & Francis , 2018 , Article)Aging is an inevitable phenomenon in hot mix asphalt production and during in-service period of flexible pavement operation. This paper presents an experimental evaluation of long-term aging of asphalt mixtures in Qatar. ... -
Comprehensive evaluation of the pharmacological and toxicological effects of γ-valerolactone as compared to γ-hydroxybutyric acid: Insights from in vivo and in silico models
( Elsevier , 2023 , Article)Γ-valerolactone (GVL), marketed online as “Tranquilli-G” and “excellent Valium”, is used as a legal substitute for γ-hydroxybutyric acid (GHB); however, until now, GVL has only been connected to one Drug-Facilitated Sexual ... -
A COMPREHENSIVE FRAMEWORK FOR DESIGN AND EVALUATION OF M-LEARNING APPLICATIONS
(2016 , Master Thesis)Human-computer interaction (HCI) communities and Mobile Learning Communities (MLCs) are well aware of the challenges that mobile devices impose when it comes to conducting proper usability and user experience evaluations ... -
Comprehensive genomic profiling of a metastatic small cell lung carcinoma with a complete and long-term response to atezolizumab: A case report
( Elsevier , 2023 , Article)Small cell lung cancer (SCLC) is a highly aggressive malignancy with a poor outcome. We present the case of a 57-year-old male patient with extensive-stage (ES-SCLC) treated with chemotherapy and atezolizumab. A complete ...