Browsing University Publications by Title
Now showing items 1795-1814 of 4419
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A Self-Organizing Multisensor Fusion Classification Algorithm
( Qatar University , 1996 , Article)A self-organizing multisensor fusion algorithm to classify the inputs (data or images) into classes (targets, backgrounds) is presented. The algorithm forms clusters and is trained without supervision. The clustering is ... -
Sem Studies On Facilitated Microbial Growth On Pac In A Biological Reactor
( Qatar University , 1996 , Article)A process known as powdered activated carbon (PAC) treatment was applied to facilitate additional bacterial growth in the treatment of industrial wastewater. Refinery wastewater was fed into a pilot plant reactor at a rate ... -
Senso-Neuroendocrine Cells Within The Cerebral Ganglion Of The Earthworm Aporrectodea Caliginosa
( Qatar University , 1992 , Article)Ciliated neurones of probable endocrine function are present inside and outside the cerebral ganglion of the earthworm Aporrectodea caliginosa. Cell fibers contain clusters ofsynaptoid vesicles in regions adjacent to the ... -
Separation and preconcentration of malathion and azamethiphos by Unloaded polyurethane foams
( Qatar University , 1994 , Article)The feasibility of using unloaded polyether type polyurethahe foams for the extraction and separation of malathion and azamethiphos in batch and column operations has been examined. The effects of pH, ionic strength, shaking ... -
Separation of Two Forms of Extracellular p-glucosidase From a Thermotolerant Aspergillus niveus
( Qatar University , 2003 , Article)Two forms of P-glucosidase ((3-D-glucoside glucohydrolase, EC 3.2.1.21) from the culture filtrate of Aspergillus niveus were separated and partially purified by gel chromatography on Sephadex G-100 column. The two forms ... -
Sequence Of Ossification In The Skeleton Of Growing Lizard Chalcides Ocellatus Forscal (Scincidae, Reptilia)
( Qatar University , 1988 , Article)The distribution of cartilaginous and ossification rudiments were described in the live-bearing lizards, Chalcides ocellatus, at birth, one-month-old, and 12-month-old. The skeletal elements investigated are: neurocranium, ... -
Seroprevalence of SARS-CoV2 in Qatar: a longitudinal epidemiological study
( Qatar University Press , 2020 , Poster)In Qatar, the first COVID-19 cases were reported on the 29th of February 2020, and the numbers increased dramatically within few months. Primary Health Care Corporation in collaboration with Qatar University's Biomedical ... -
Serum And Tissue Enzymes And Trace Elements In Hamsters With Schistosomiasis Mansoni And/Or Protein Energy Malnutrition
( Qatar University , 1996 , Article)Schistosomiasis is mostly widespread in communities suffering from protein energy malnutrition. The development of an animal model for each condition is required for better understanding of changes in certain biochemical ... -
Serum Magnesium and Cognitive Function Among Qatari Adult
( Qatar University Press , 2020 , Poster)Background: Previous studies found that low levels of magnesium can increase the risk of several diseases including cardiovascular diseases, diabetes, and hypertension which are associated with cognitive dysfunction. ... -
Serum vitamin D concentrations are non-linearly related to breast cancer risk in postmenopausal women
( Qatar University Press , 2021 , Poster)Background: Post-menopausal women are at high risk for breast cancer. The association between serum 25-hydroxyvitamin D [25(OH)D] concentration and breast cancer in post-menopausal women is not well understood. Objectives: ... -
Setting standards for criterion-referenced measurement
( Qatar University , 1983 , Article)Improving human resources is the responsibility of the educational system in many societies. The outputs of the educational systems are, in many ways, the inputs of other systems found in societies. Life today in many ... -
Sex Related Differences In Spatial Ability , Mental Imagery And Concept Achievement In Geometry ( Polygon ) amongst Formal Operations Stage Pupils Of Aden Governorate (Yemen )
( Qatar University , 1998 , Article)Numerous authorities of investigators and educationists attracted to the Piagetian theory of cognitive development among children. Most studies were to find out relations of Piaget's Concepts of space and mental imagery ... -
Sexist Language in Arabic: The Case of Qatar University Academic and Administrative Staff
( Qatar University , 1996 , Article)This study discusses the impact of possible sex-based differences in Arabic. It deals with the awareness and recognition of sexist attitudes in Arabic. A special questionnaire was prepared for this purpose. The ... -
Shared Models and Open Infrastructures for the smart City Internet of Things based on the Semantic Web
( Qatar Univesrity Press , 2021 , Conference Paper)Contemporary cities face many challenges: energy, ecological, demographic or economic. To answer this, technological means are implemented in cities through the use of sensors and actuators. These cities are said to be ... -
Shear Behavior of Fiber Reinforced Concrete Beams with Basalt FRP Reinforcing Bars and Glass FRP Stirrups
( Qatar University Press , 2020 , Poster)The State of Qatar suffers from a harsh environment in the form of high temperature that prevails almost all year round in addition to severe humidity and coastal conditions. This exposure leads to the rapid deterioration ... -
Shear Behavior Of Reinforced High-Strength Concrete Beams Without Shear Reinforcement
( Qatar University , 1994 , Article)Eighteen rectangular singly reinforced high-strength concrete beams without web reinforcement were tested in combined shear and flexure. The main variables were the longitudinal steel reinforcement ratio and the shear-span ... -
A short critique of the Crescent English Course
( Qatar University , 1988 , Article)This paper is a short critique of the "Crescent English Course", Pupils Book 2. It falls into two parts. The first is information about the course; its aims, organization and some of its general characteristics. The second ... -
A Short Note On The Point-Wise Summability Of The Conjugate Series Of A Fourier Series In The Norlund Sense
( Qatar University , 1985 , Article)In this note we consider an analogous theorem of [l] in the sense of point-wise summability of the conjugate series of a Fourier series in the Norlund sense -
Signal Identification Using A Microprocessor Based Phase Locked Loop System
( Qatar University , 1989 , Article)A scheme for waveform comparison and the measurement of periodic signal parameters through processing, controlling and measuring programs is realised. A microcomputer is used with a phase locked loop voltage controlled ... -
Significance of GOs, GNPs and CNTs' Nanomaterials on the Mechanical Properties of Cement
( Qatar University Press , 2023 , Conference Paper)This study reports the statistical significance of using Graphene Oxides (GOs), Graphene Nanoplatelets (GNPs) and Carbon Nanotubes (CNTs) on the mechanical properties of cement paste. Samples containing several nanoparticles' ...