Browsing University Publications by Title
Now showing items 342-361 of 4355
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Combustion-Free Synthesis of Lithium Manganese Oxide Composites with CNTs/GNPs by Chemical Coprecipitation for Energy Storage Devices
( Qatar University Press , 2020 , Poster)Nano Spinel Lithium Manganese Oxide (LiMn2O4) was distributed properly on carbon nanotubes ( CNTs) and graphene nanoplatelets (GNPs) using chemical coprecipitation method. The original particle size was less than 40 nm, ... -
The Commercial Value of Fish at Fasht Ad-Dibal and its Associated Biota in the Qatari Waters, Arabian Gulf
( Qatar University , 2007 , Article)The present study is an attempt to study the fish diversity of Fasht Ad-Dibal in the north-western coast of Qatar. Thirty three species belonging to 25 families were caught using gill nets, gargoors (metal traps) and hand ... -
Common fixed Points for Multimaps in Menger Spaces
( Qatar University , 2007 , Article)The aim of this paper is to obtain a common fixed point theorem for multivalued mappings in Menger spaces. Of course this is a new result in Menger spaces. 2000 Mathematics Subject Classification: 47H10, 54H25. -
Comparative Development Studies On The Lateral Canal System In Cyprinus Carpio And Gambusia Affinis Affinis
( Qatar University , 1990 , Article)The lateral line canals and the neuromasts situated inside their lumina are described in two fishes differing in their feeding habits. There are 20 canal neuromasts in the bottom feeder Cyprinus carpio, while in the surface ... -
A comparative examination of the Qatar Financial Center (QFC) consumer dispute resolution scheme
( Hamad bin Khalifa University Press (HBKU Press) , 2017 , Conference Paper)In 2016, the Qatar Financial Centre (QFC) introduced a Customer Dispute Resolution Scheme (CDRS) in Chapter 8 of the Conduct of Business Rules 2007. The CDRS is an alternative to litigation for QFC participants (retail ... -
Comparative Growth Performance and Feed Utilization of Four Local Strains of Nile Tilapia (Oreochromis niloticus L.) Collected From Different Locations in Egypt
( Qatar University , 2003 , Article)Brood stocks of Nile tilapia (Oreochromis niloticus L.) were collected from Lakes ofNasser (Aswan), Manzalah, Maryut and Abbassa fishponds. Fingerlings ofFI of each strain was fed diet containing 27% CP for 90 days. The ... -
Comparative Histopathological Studies On The Effects Of Ionizing X-Ray Irradiation On Normal Liver And Hepatoma
( Qatar University , 1984 , Article)Normal mice exposed to X-rays showed distinct external symptoms and died mostly on the 13th or 14th day after irradiation. Pathological symptoms were more exaggerated in mice diseased with hepatoma and subjected to the ... -
Comparative literature in Arabic: History and major issues
( Qatar University , 1994 , Article)It is well known that Comparative Literature in Arabic can not look back at a long history; but still this fact should not be allowed to stand as a vindication of the paucity of writings that deal with the background and ... -
Comparative studies of the oil from silybum marianum cultivated in Egypt using glc
( Qatar University , 1994 , Article)Quantitative comparative study of the oil fraction constituents in the fruits of Silybum marianum successfully cultivated in new reclaimed land with those of the two wild types viz., purple flower and white flower bearing ... -
Comparative Study of 11 Honey Samples Sold in Riyadh Saudi Arabia
( Qatar University , 2006 , Article)11 honey various samples commercially available in Saudi Arabia, were subjected to chemical, toxicological and bacteriological tests. The samples were checked for As and CN, presence of pollens, and for bacteria contamination. ... -
Comparative study of organic and inorganic fertilizers on forage corn (Zea mays l.) Grown on two soil types
( Qatar University , 2001 , Article)Two pot experiments were conducted in 1995/96 and 1996/97 to investigate the interactive effects of organic and inorganic fertilizers applied to two soil types on the performance of corn (Zea mays L.). The soil types were ... -
A comparative study of the effects of clumping, substrate, light, depth of burial and soil moisture upon the germination of seeds of weeds and crops grown in the sudan gezira.
( Qatar University , 1985 , Article)The influence of the number of seeds per clump upon germination of oryza sativa L., Gossypium hirsutum L., Brachiaria eruciformis (Sm.) Griseb, Dinbera retroflexa (Vahl) Panz. and Echinochloa colonum (L.) Link was investigated ... -
A comparative study of the mechanical properties of low Density polyethylene (ldpe)
( Qatar University , 1997 , Article)Mechanical properties of engineering polymers which are the most important properties for design and construction purposes are diverse. This has been proved by investigation tensile properties of different grades of LDPE ... -
Comparing different methods for prediction of liquefied natural gas Densities
( Qatar University , 2005 , Article)The densities of several liquefied natural gas (LNG) mixtures and pure methane using different equations of state and correlations have been predicted and compared with the experimental values. The equations of state were ... -
Comparing The Elastic Constants Of Porous Titanium Compacts With Theoretically Predicted Values
( Qatar University , 1998 , Article)Some elastic properties of green and sintered titanium compacts were experimentally measured. The results were compared with the theoretical predictions based on Mackenzie's and Walton's models. It was concluded that the ... -
A Comparison Between Artificial Neural Network And A Geostatistical Technique In The Estimation Of Regionalized Variables
( Qatar University , 1999 , Article)In all mining estimation techniques data play a very important role. Insufficient data would mean the quality of the estimate is unreliable. Due to the importance attached to a good and representative data set, the application ... -
Comparison of antibiotic susceptibilities of four species of coagulase-negative staphylococci isolated rom normal skin and acne Lesions: a statistical approach
( Qatar University , 1996 , Article)Ten strains of each of four species of coagulase negative staphylococci: S. epidermidis, S. hominis, S. capitis, and S. cohnii isolated from both acne lesion and normal skin (total 80 strains) were tested for their antibiotic ... -
Comparison of Available Methods for Investigating The in vitro Activity of Colistin Against Different Gram-Negative Bacilli
( Qatar University Press , 2021 , Poster)Background: The surge in the prevalence of multidrug-resistant (MDR) Gram-negative bacterial infections with limited treatment options and the decrease in the development of new antibiotics are challenges that lead to the ... -
Comparison of body mass, feeding and food conversion of temperature acclimatized Porcellionides pruinosus (Brandt, 1833) (Isopoda, Oniscidea) fed on the dry leaf of Punica granatum
( Qatar University , 2006 , Article)A detailed study was conducted on the body mass; moisture; assimilation efficiency; gross and net production efficiencies; feeding, assimilation; conversion and metabolic rates of the woodlouse Porcellionides pruinosus ... -
Comparison of co-presence of Epstein-Barr virus and high-risk human papillomaviruses in colorectal cancers in the Middle East Region
( Qatar University Press , 2020 , Poster)Background: Several studies have shown the presence of onco viral DNA in colorectal tumor tissues. Viral infection by onco-viruses such as Human papillomaviruses (HPVs) and Epstein-Barr virus (EBV) are well-known to be ...