Browsing by Title
Now showing items 2728-2747 of 53172
-
Analysis of vibrations in a diesel engine produced by Jatropha biodiesel using heterogeneous catalyst
( SAGE Publications Inc. , 2022 , Article)Extensive consumption of fossil fuel has contributed to the worldwide decline of its reserves and detrimental effect on the environment. Therefore, it is essential to explore alternative option of fuel for diesel engine. ... -
Analysis of wear behavior and surface properties of detonation gun-sprayed composite coating of Cr3C2–NiCr–CeO2 on boron steel
( SAGE Publications Ltd , 2019 , Article)The present paper reports the analysis of wear behavior and surface properties of detonation gun-sprayed composite coating of chromium carbide–nichrome–cerium oxide (Cr3C2–NiCr–CeO2) on boron steel. Experiments were performed ... -
An analysis opf Talcott Parsons' Modern social theory applied to organizations
( Qatar University , 1985 , Article) -
Analytic comparison between three high-throughput commercial SARS-CoV-2 antibody assays reveals minor discrepancies in a high-incidence population
( Nature Research , 2021 , Article)Performance of three automated commercial serological IgG-based assays was investigated for assessing SARS-CoV-2 "ever" (past or current) infection in a population-based sample in a high exposure setting. PCR and serological ... -
Analytic Prioritization of Indoor Routes for Search and Rescue Operations in Hazardous Environments
( Blackwell Publishing Inc. , 2017 , Article)Applications to prioritize indoor routes for emergency situations in a complex built facility have been restricted to building simulations and network approaches. These types of applications often failed to account for the ... -
Analytical approach to the Darcy–Lapwood–Brinkman equation
( Elsevier , 2007 , Article)Three exact solutions are obtained for flow through porous media, as governed by the Darcy–Lapwood–Brinkman model, for a given vorticity distribution. The resulting flow fields are identified as reversing flows; stagnation ... -
Analytical methods for mercury speciation, detection, and measurement in water, oil, and gas
( Elsevier B.V. , 2020 , Article Review)Mercury related compounds are released in massive and alarming amounts due to increased human activities such as the processing of hydrocarbons in the petroleum industry. The contamination due to mercury compounds is ... -
Analytical model of I-bar clasps for removable partial dentures
( Elsevier Inc. , 2021 , Article)Objective: Clasps of removable partial dentures (RPDs) often suffer from fatigue stress that leads to plastic deformation, loss of retention, and RPD failure. Recently, computer-based technologies were proposed to optimize ... -
Analytical models for predicting oil recovery from immiscible CO2 injection: A literature review
( Elsevier , 2022 , Article Review)The enhanced oil recovery is applied to increase oil recovery from oil reservoirs. The immiscible CO2 injection oil recovery method is suitable for reservoirs with low pressure. This paper presents a review of literature ... -
An Analytical Review of Attempts to Mitigate Visual Pollution in Urban Settings
( Qatar University Press , 2023 , Conference Paper)Visual pollution is the main issue rising in urban settings these days. The residents of the built environment or the surrounding communities are negatively impacted by this sort of pollution. Visual pollution reduces ... -
Analytical Studies Of Some Controlled And Noncontrolled Drugs Of Abuse
( Qatar University , 1991 , Article)Separation and identification of some depressants and stimulants by GLC, combined GC-MS and HPLC techniques was attempted. The results obtained are successful, valuable and may be applied in routine forensic analysis. -
Analytical Studies Of Some Controlled And Noncontrolled Drugs Of Abuse (II)
( Qatar University , 1993 , Article)Benzodiazepines, barbiturates, amphetamines and some other non-controlled drugs were identified by GLC and HPLC then confirmed by GC-MS techniques. Comparative studies and discussions on the results obtained by GLC and ... -
Analytical view of statistics and probability curriculum standards in Qatar
( Hamad bin Khalifa University Press (HBKU Press) , 2015 , Conference Paper)Ten years ago, Qatar initiated an education reform based on curriculum standards that draw on international expectations of what students should know, understand, and be able to do at each stage of their schooling. The ... -
Analyze Unstructured Data Patterns for Conceptual Representation
( Institute of Electrical and Electronics Engineers Inc. , 2018 , Conference Paper)Online news media provides aggregated news and stories from different sources all over the world and up-to-date news coverage. The main goal of this study is to find a solution that is considered as a homogeneous source ... -
Analyzing cognitive network access efficiency under limited spectrum handoff agility
( Institute of Electrical and Electronics Engineers Inc. , 2014 , Article)Most existing studies on cognitive-radio networks assume that cognitive users (CUs) can switch to any available channel, regardless of the frequency gap between a target channel and the current channel. However, due to ... -
Analyzing exact nonlinear forced vibrations of two-phase magneto-electro-elastic nanobeams under an elliptic-type force
( Techno-Press , 2020 , Article)The present paper deals with analyzing nonlinear forced vibrational behaviors of nonlocal multi-phase piezo-magnetic beam rested on elastic substrate and subjected to an excitation of elliptic type. The applied elliptic ... -
Analyzing factors that influence offshore outsourcing decision of application maintenance
( IEEE , 2020 , Article)Application maintenance consumes a considerable amount of an organization's time and resources each year. Almost 60% of IT budget is spent alone on application maintenance. The reason of offshore outsourcing of application ... -
Analyzing informal value transfer networks through the lens of social exchanges
( Emerald Publishing , 2021 , Article)Purpose: This study aims to focus on how informal value transfer networks, Hawala business in particular, used social exchanges in their business dealings. More specifically, the conducted research looked into how social ... -
Analyzing inherent biases in SARS-CoV-2 PCR and serological epidemiologic metrics
( springer nature , 2022 , Article)Background: Prospective observational data show that infected persons with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) remain polymerase chain reaction (PCR) positive for a prolonged duration, and that ... -
Analyzing nonlinear vibration of metal foam stiffened toroidal convex/concave shell segments considering porosity distribution
( Taylor and Francis Ltd. , 2023 , Article)Analysis of nonlinear vibration properties of stiffened toroidal convex/concave shells made of porous metal foam material in elastic medium has been performed in the present research. Metal foam is considered as porous ...
