تصفح Academic حسب العنوان
السجلات المعروضة 17240 -- 17259 من 26447
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The proportionality principle in telecommunications interception and access law in an environment of heightened security and technological convergence
( Taylor & Francis (Routledge) , 2016 , Article)As nations expand the telecommunications interception and access powers of their law enforcement agencies to address heightened threats to national security and accelerating technological convergence, the proper application ... -
Proportionally fair approach for tor's circuits scheduling
( Institute of Electrical and Electronics Engineers Inc. , 2020 , Conference Paper)The number of users adopting Tor to protect their online privacy is increasing rapidly. With a limited number of volunteered relays in the network, the number of clients' connections sharing the same relays is increasing ... -
A proposal for the revision of the professional component of a program of teacher education.
( Qatar University , 1984 , Article)One of the anticipated outcomes of the following proposal is an organized statement of the content and experiences (curriculum) for the professional component of teacher education program which appropriately utilized the ... -
Proposed cooling wall system: A lesson from nature
( ISEC Press , 2015 , Conference Paper)The study commences with a comparative analysis between desert adapted cactus plants and traditional mud houses. Primary comparative results yielded three main similarities: 1) Effective utilization of self-shading surfaces; ... -
Proposed formulas for estimating splitting tensile, shear and flexural strengths, and long term deflection assessment of self-compacting concrete elements
( American Scientific Publishers , 2017 , Article)This paper investigated the splitting tensile and shear strengths and the modulus of rupture of Self Compacting Concrete (SCC) elements with fly ash, micro silica and polycarboxylate ether superplasticizer for various ... -
A proposed framework to guide evidence synthesis practice for meta-analysis with zero-events studies
( Elsevier , 2021 , Article)ObjectiveIn evidence synthesis practice, researchers often face the problem of how to deal with zero-events. Inappropriately dealing with zero-events studies may lead to research waste and mislead healthcare practice. We ... -
Proposing a Nondestructive and Intelligent System for Simultaneous Determining Flow Regime and Void Fraction Percentage of Gas-Liquid Two Phase Flows Using Polychromatic X-Ray Transmission Spectra
( Springer , 2021 , Article)Two phase flows are of particular importance in various research fields. In the current article, a novel system consists of an X-ray tube and one sodium iodide crystal detector with ability of determining type of flow ... -
Propylene oxide assisted sol-gel synthesis of zinc ferrite nanoparticles for solar fuel production
( Elsevier Ltd , 2016 , Article)This paper reports the synthesis of phase-pure Zn-ferrite nanoparticles with high specific surface area (SSA) via the propylene oxide (PO) assisted sol–gel method. For the synthesis of Zn-ferrite, metal precursors (ZnCl2 ... -
A Prospective Association of Nut Consumption with Cognitive Function in Chinese Adults aged 55+ _ China Health and Nutrition Survey.
( Springer Verlag , 2018 , Article)We aimed to investigate the association of nut intake with cognitive function in Chinese adults aged 55 and over. This was a prospective open cohort study with repeated measurements of diet and cognition scores. ... -
The Prospective Associations of Lipid Metabolism-Related Dietary Patterns with the Risk of Diabetes in Chinese Adults
( MDPI , 2022 , Article)Background: This study aimed to identify lipid metabolism-related dietary patterns with reduced rank regression (RRR) among Chinese adults and examine their associations with incident diabetes. Methods: We derived lipid ... -
A Prospective Cohort Study (OUTSTRIP-COVID) on Functional and Spirometry Outcomes in COVID-19 ICU Survivors at 3 Months
( Taylor & Francis Group , 2023 , Article)Purpose: COVID-19 pandemic resulted in a significant number of critical care admissions secondary to severe pneumonia and acute respiratory distress syndrome. We evaluated the short-, medium-and long-term outcomes of lung ... -
Prospective cohort study of vitamin D deficiency in pregnancy: Prevalence and limited effectiveness of 1000 IU vitamin D supplementation
( SAGE , 2024 , Article)Background: Vitamin D deficiency is highly prevalent worldwide among pregnant women. Although vitamin D supplementation is effective in improving vitamin D status, the safety and optimal dosing of vitamin D supplementation ... -
A prospective investigation of oral contraceptive use and breast cancer mortality: findings from the Swedish women's lifestyle and health cohort.
( BMC , 2019 , Article)The association between oral contraceptive (OC) use and long-term mortality remains uncertain and previous studies have reported conflicting findings. We aim to assess the long-term impact of OC use on all-cause and ... -
Prospective Role of Bioactive Molecules and Exosomes in the Therapeutic Potential of Camel Milk against Human Diseases: An Updated Perspective
( MDPI , 2022 , Article Review)Camel milk (CM) constitutes an important dietary source in the hot and arid regions of the world. CM is a colloidal mixture of nutritional components (proteins, carbohydrates, lipids, vitamins, and minerals) and non-nutritional ... -
Prospective student orientation in higher education: Development of the construct
(2014 , Article)The aim of this paper is to conceptualise and empirically examine the constructs that constitute the concept of Prospective Student Orientation (PSO). Using a discovery-oriented approach, conducted by supplementing educational ... -
Prospects and challenges of free space optical communications
( Springer Verlag , 2018 , Conference Paper)Free space optical (FSO) transmission is a technology which uses a narrow laser beam to transmit the signal from the source to the destination through the free space. Although it has various advantages, a laser beam ... -
Prospects and Challenges of Green Hydrogen Economy via Multi-Sector Global Symbiosis in Qatar
( Frontiers Media S.A. , 2020 , Article)Low carbon hydrogen can be an excellent source of clean energy, which can combat global climate change and poor air quality. Hydrogen based economy can be a great opportunity for a country like Qatar to decarbonize its ... -
Prospects for Alternative Energy in the Gulf
( Gulf Studies center - College of Arts & Sciences - Qatar University , 2019 , Conference Paper)The Middle East region holds the world's largest oil and natural gas proven reserves. Several Middle-Eastern states are major oil producers and consumers. Given price fluctuations and environmental concerns, many countries ... -
Prospects for climate-scale regional numerical modelling for the Arabian Gulf and Qatar's marine region
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Physical oceanographic studies at the Environmental Science Center (ESC) entail observational and numerical aspects. The main objective of observational studies is to build a reference time series for Qatar's marine exclusive ... -
Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance
(2018 , Dissertation)Gas hydrates are ice-like compounds that are formed when small gas molecules get trapped within the water molecules at high pressure and low-temperature conditions. The formation of gas hydrates in the offshore subsea lines ...
