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السجلات المعروضة 5723 -- 5742 من 50315
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Condition prediction models for oil and gas pipelines using regression analysis
( American Society of Civil Engineers (ASCE) , 2014 , Article)Although they are the safest means of transporting oil and gas products, pipelines can sometimes fail with hazardous consequences and large business losses. The decision to replace, repair, or rehabilitate depends mainly ... -
Conditional dependence structure and risk spillovers between Bitcoin and fiat currencies
( Elsevier , 2023 , Article)This paper investigates the extreme dependence and risk spillovers between Bitcoin and the currencies of the BRICS and G7 economies. We find time-varying dependence between Bitcoin and all currencies. Moreover, when analysing ... -
Conditionally Exponential Convex Functions On Locally Compact Groups
( Qatar University , 1993 , Article)The main objectives of this study are: 1) The construction of a compact base for the convex cone of all conditionally exponential convex functions. The determination of the extreme parts of this cone. -
Conditions for student-centered teaching and learning in Qatari elementary math and science classrooms: Relationship between classroom processes and achievement of curriculum standards
( Bloomsbury Qatar Foundation Journals , 2013 , Article)Qatar K-12 school reform emphasizes student-centered classrooms where students actively engage in enquiry and use their critical thinking and problem solving skills. Classrooms characterized by these elements should ... -
Conditions for Student-Centered Teaching and Learning: Relationship Between Classroom Processes and School Achievement of Curriculum Standards
(2011 , Conference Paper)Qatari educational curriculum standards emphasize student-centered classrooms where students actively engage in inquiry and problem solving. Classrooms characterized by these elements should emerge as more successful on ... -
Conditions Precedent in Farmout Agreements – An Overview
( Qatar University Press , 2019 , Article)Conditions precedent to Farmout Agreements (FOA) are critical in ensuring that an agreement is fulfilled under conditions that are protective of the parties’ interests in the agreement. Conditions precedent offer parties ... -
Conductance Measurements in Corrosion Studies of Aluminium
( Qatar University , 1994 , Article)A new method is suggested for studying the rates of dissolution of oxide film on aluminium and its alloys. The method is based on measuring the conductance between two aluminium (or its alloys) electrodes immersed in 3.0 ... -
Conducting a state-of-the-art mental health survey in a traditional setting: Challenges and lessons from piloting the World Mental Health Survey in Qatar
( Wiley , 2021 , Article)Objectives: A small country in the Arabian Peninsula, Qatar experienced rapid economic growth in the last 3 decades accompanied by major socio-demographic shifts towards a younger and more highly educated population. To ... -
Conducting polyaniline nanorods doped with aromatic carboxyl chain end functionalized polystyrene
( Elsevier , 2015 , Article)The preparation of new conducting polyaniline (PANI) derivatives with different nanostructures is described. PANI derivatives doped with aromatic carboxyl chain end functionalized polystyrene derivatives of different number ... -
Conducting research on the world's changing mediascape: Principles and practices
( Cogitatio Press , 2019 , Article)As digital technology sweeps across the globe, bringing far-reaching changes to the media environment and beyond, international research on the nature and impact of these changes is essential. This commentary situates media ... -
Cone Penetration Testing For Field Density Prediction
( Qatar University , 1993 , Article)This paper summarizes an experimental program for developing a pilot procedure to check and predict field densities of compacted soils using static cone penetration tests. Three sandy soils were tested. The testing program ... -
Confidence intervals for quantiles using record values from the generalized exponential distribution
( Nova Science Publishers, Inc. , 2012 , Book chapter)Likelihood-based and bootstrap confidence intervals for the quantiles of the generalized exponential distribution based on record values are developed. Intervals for the difference of quantiles based on two independent ... -
Confidence intervals for the quantiles of the Weibull distribution based on record values
( Nova Science Publishers Inc , 2008 , Article)We consider likelihood-based and bootstrap confidence intervals for the quantiles based on record values from the Weibull distribution. We developed also intervals for the difference of quantiles based on two independent ... -
Confidence intervals for the two-parameter exponential reliability with type II censored data
( Taylor and Francis Ltd. , 2016 , Article)We consider interval estimation of the reliability of the two-parameter exponential distribution.We consider asymptotic intervals, Bayesian, as well as intervals based on the generalized pivot variable. Transformations to ... -
Confidentiality and Timeliness of Data Dissemination in Platoon-based Vehicular Cyber-Physical Systems
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Recent advances in inter-vehicle wireless communications allow for automated and coordinated vehicles' driving in platoon-based vehicular cyber-physical systems (PVCPS). This article presents a comprehensive low-latency ... -
Configuration and Use in Building Evaluation (CUBE3): Space Syntax Modeling of Layout in the Main Library at Qatar University
( Qatar University Press , 2021 , Poster)The Research and its Purpose: - To conducted a post-occupancy evaluation of the QU Main Library, drawing on fieldwork observations of entries, movement, and room/space use. - This will positively contribute to future ... -
Confined Interfacial Monomicelle Assembly for Precisely Controlled Coating of Single-Layered Titania Mesopores
( Cell Press , 2019 , Article)The development of core-shell structures has been in great demand recently owing to their integrated functionalities. However, the progress in reliable coating of porous semiconductors remains unproductive. Here, we have ... -
Conflicts and security in integrated water resources management
( Elsevier , 2017 , Article)Water Resources Management (IWRM) are criticized for not considering context, local realities or legitimacy during the implementation of water sector reforms. Universal remedies of IWRM can thus lead to resistance, conflicts ... -
Conformal capacity and polycircular domains
( Elsevier , 2023 , Article)We study numerical conformal mapping of multiply connected planar domains with boundaries consisting of unions of finitely many circular arcs, so called polycircular domains. We compute the conformal capacities of condensers ... -
Conformal circular patch antenna array design for use in jet engines
( Institute of Electrical and Electronics Engineers Inc. , 2015 , Conference Paper)A novel low profile two elements array of circular patch antenna is designed, analyzed and simulated for wireless sensor applications in extremly harsh environments like jet engines. The designed antenna is simulated using ...
