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السجلات المعروضة 20350 -- 20369 من 51066
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Preliminary design of an actuated imaging probe for generation of additional visual cues in a robotic surgery
( Springer New York LLC , 2016 , Article)Background The aim of this study was to enhance the visual feedback of surgeons, during robotic surgeries, by designing and developing an actuated 2D imaging probe, which is used in conjunction with the traditional ... -
Preliminary Design Of Reinforced Concrete Beams Using Neural Networks
( Qatar University , 2000 , Article)This paper presents a backpropagation neural network model for the preliminary design of rectangular concrete beams. The model, which is developed based on the strength design procedure of the American Concrete Institute ... -
Preliminary Implementation of the Next Generation Cannulation Simulator
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)Extracorporeal Membrane Oxygenation (ECMO) is a highly complex/critical lifesaving procedure known to support patients with cardiac and respiratory issues. Patients on ECMO are monitored 24/7 by a team of highly trained ... -
Preliminary insight into winter native fish assemblages in guadiana estuary salt marshes coping with environmental variability and non-indigenous fish introduction
( MDPI AG , 2017 , Article)This work aims to undertake a preliminary characterization of winter fish assemblages in the salt marsh areas of Guadiana lower estuary (South-East Portugal) and discusses the potential risks of habitat dominance by a ... -
Preliminary investigation of elevated collagen and blood-clotting markers as potential noninvasive biomarkers for small cell lung cancer
( John Wiley and Sons Inc , 2023 , Article)Background: Small cell lung cancer (SCLC) is highly aggressive with limited therapeutic options and a poor prognosis. Moreover, noninvasive biomarker tools for detecting disease and monitoring treatment response are lacking. ... -
Preliminary Investigation of Heavy Metals in Deposited Dust on Roadside Sidr Leaves
( Qatar University Press , 2021 , Poster)Urban pollution has different forms; one of them is air pollution by natural sources such as dust storms or by anthropogenic sources such as traffic, whereas both are considered among the most risky environmental problems ... -
A Preliminary List Of The Insect Fauna Of Qatar
( Qatar University , 1985 , Article)The present paper give a preliminary account of the entomofauna of Qatar. It has a complex composition, the species are a heterogenous group with diverse distribution patterns. The account does not lay to completeness. ... -
Preliminary Observations On The Relative Growth And Production Of Tilapia Species Cultured In Cages At Three Stocking Densities
( Qatar University , 1987 , Article)Relative growth rate and productivity of Tilapia species (T. nilotica and T. galilaea) were studied for fish reared in cages in the Serow fish farm, Egypt. Both species were reared under three different stocking densities ... -
Preliminary results on carbon and nutrients fluxes at the sediment-water interface in natural and planted mangroves, central Arabian Gulf
( Hamad bin Khalifa University Press (HBKU Press) , 2016 , Conference Paper)Despite the many ecological services and benefits provided by the mangrove ecosystem, deforestation of mangrove ecosystem for industrial and other development has caused irreversible damage in coastal regions throughout ... -
Preliminary sequence stratigraphy and tectonic evolution of the Tokar Delta, (Southern Sudanese Red Sea)
( Qatar University , 2007 , Article)The study area comprises about 2500sq.Kms. From the seismic data acquired by the Oil Companies (Chevron 1975-76 Total 1980 and IPC 1992), thirty two seismic lines were selected Fig (2). Also synthetic seismograms of Suakin-1, ... -
Preliminary Studies Of The Tidal Currents Near Doha
( Qatar University , 1987 , Article)A systematic program for current observations was planned by the Department of Marine Sciences, University of Qatar to cover the Qatar; waters. The tidal currents were studied by analysing the data obtained from mooring ... -
Preliminary studies on autonomous sensor systems dedicated to air quality monitoring
( IMEKO-International Measurement Federation Secretariat , 2014 , Conference Paper)Sensor systems and smart networks devoted to environmental supervision have today assisted the analysis of primal processes and they have also provided vital hazard early warnings. At the same time the use of environmental ... -
Preliminary Study on Coral Reef and Its Associated Biota in Qatari Waters, Arabian Gulf
( Qatar University , 1999 , Article)Coral reef grounds and their associated biota m Qatari waters were investigated by Scuba diving. Four selected reef-sites were studied. Coral was presented by 17 species. Descriptive notes of each site and an initial list ... -
A preliminary study on microbial air contamination in select schools in Doha, Qatar
( Springer Nature , 2021 , Article)Available data of the indoor airborne culturable bacteria and fungi at schools’ environments is very limited in the peninsula of Qatar. This study aims to determine the microbial load in indoor and outdoor air at three ... -
Preliminary Study on the Use of Reclaimed Asphalt in Public Works Authority Road Projects in the State of Qatar
( Qatar University Press , 2023 , Conference Paper)This paper describes the outcomes of a preliminary study focused on the evaluation of four full-scale pavement sections in which reclaimed asphalt (RAP) was used in partial substitution of virgin aggregates during the ... -
Preliminary Survey on Parasites Infecting Some Amphibian and Reptilian Species from United Arab Emirates and Qatar
( Qatar University , 2002 , Article)The common amphibian toad Bufo orientalis and four species of reptiles (Scincus muscatensis, Mabuya brevicolis, Uromastyx microlepis and Diplometopon zarudnyi) were collected from five localities in the United Arab Emirates ... -
Preliminary test estimation in the two parameter exponential distribution based on record values
( Nova Science Publishers , 2010 , Article)We considered estimation of the parameters of the exponential distribution based on record data in the presence of prior information. Preliminary test and shrinkage estimators are developed and their properties are ... -
Preliminary Test Estimation of the Threshold in the Two-Parameter Exponential Distribution Based on Records and Minimax Regret Significance Levels
( Taylor and Francis Ltd. , 2017 , Article)SYNOPTIC ABSRACT: We consider preliminary test estimation of the threshold parameter of the two-parameter exponential distribution using record-breaking data. We use the minimax regret criterion on the risk function of the ... -
Preliminay test estimation in the two parameter exponential distribution based on record values
(2010 , Article)We considered estimation of the parameters of the exponential distribution based on record data in the presence of prior information. Preliminary test and shrinkage estimators are developed and their properties are ... -
Prenatal alcohol exposure is associated with early motor, but not language development in a South African cohort
( Cambridge University Press , 2019 , Article)Objective:To investigate the association of prenatal alcohol exposure (PAE) and early neurodevelopment in the first 2 years of life, adjusting for maternal sociodemographic and psychosocial factors, in the Drakenstein Child ...
