Browsing University Publications by Title
Now showing items 913-932 of 4355
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Group size, composition, cohesiveness and leadership: A Proposed group Performance Model
( Qatar University , 1995 , Article)The main objective of this study is to investigate the potential effect of group size, composition, cohesiveness and leadership style on groups' performance. Hackman and Morris' model (1983) was used as a frame of reference. ... -
Growth and production of tropane alkaloids by cell suspension cutures of hyoscyamus albus L.
( Qatar University , 1990 , Article)Cell suspension of Hyoscyamus albus L. were investigated for growth and production of tropane alkaloids in three different media. The effects of sucrose concentration and initial pH were also studied. 2,4- Dichlorophenoxyacetic ... -
Growth and protein content of wheat kernels treated with three Growth regulators
( Qatar University , 1993 , Article)Alar, asulam or kinetin at different doses were sprayed on wheat plants and their effects on growth and protein of the developing kernels were investigated. Grain fresh matter was significantly increased in response to 200 ... -
Gut Microbiota and Health: Understanding the Role of Diet
( Qatar University Press , 2020 , Poster)Gut microbiota plays a major role in regulating the host metabolism and immune system. However, the structure of microbiome population is altered constantly by diverse factors including diet and environment. In particular, ... -
H. P. Lovecraft's quest for harmony
( Qatar University , 1988 , Article) -
Habitual tea and coffee consumption and mean reaction time among Qatari adults
( Qatar University Press , 2021 , Poster)Background: Tea and coffee consumption is associated with cognitive function in some studies. We aimed to identify tea and coffee drinking patterns and their association with mean reaction time among Qatari adults. Method: ... -
A Hadamard Transform Fuzzy Segmentation And Classification Technique For Image Compression
( Qatar University , 1996 , Article)A new technique for image data compression based on fuzzy segmentation, classification and properties of sequency ordered Hadamard Transform (HT) is presented. Using a pyramidal data structure, an image is segmented into ... -
Haemogregarines of geckos in egypt, together with a description of haemogregarina helmymohammedi n.sp.
( Qatar University , 1995 , Article)Three species of geckos collected from various localities in Egypt were examined for protozoan blood parasites. Haemogregarines were reported in all the three species of geckos. Problems of the generic and specific ... -
The Halloween Effect Anomaly: Evidence from Some Arab Countries Equity Markets
( Qatar University , 2007 , Article)This paper examines the existence of the Halloween effect for some Arab countries equity markets. The data set used in this study constitutes of daily stock prices for 9 Arab equity markets in the Middle East region. ... -
Halophytes and Soil Salinity in Qatar
( Qatar University , 2002 , Article)Saline soils cover approximately 6% of the land in Qatar. Halophytes are common along the coastal areas and inland salt flats and wetlands, where saline water is available in their natural habitats permanently or periodically. ... -
Hardened Properties of Self-Compacting Concrete Incorporating Recycled Granite Waste as Fine Aggregate
( Qatar University Press , 2023 , Conference Paper)The present paper investigates the hardened properties of self-compacting concrete by reusing granite waste to replace natural fin aggregates. The reuse of solid wastes as powder or aggregates allows us to produce sustainable ... -
Harm Perception and Attitudes towards E-cigarette Use Among Qatar University Students: A Cross-Sectional Study
( Qatar University Press , 2021 , Poster)Background: Electronic cigarette (e-cigarette) use is becoming popular worldwide especially among youth. Research reported that university students have poor knowledge and misconceptions about the health risks of e-cigarettes, ... -
Harmful Effects Of Sea Water Administration On Kidney Structure And Function
( Qatar University , 1992 , Article)Ratlus rattus received oral int'usiuii „; 3 ml of sea water for 5 consecutive days. Certain blood parameters and kidney structure and function were studied 24 hours and one week later. Hematocrit. plasma osmolality, sodium, ... -
Harmonizing formal requirements for cross-border sales contracts
( Bloomsbury Qatar Foundation Journals , 2012 , Article)Legal systems have different traditions about how to “prove” a contract for the sale of personal property. Most legal systems today permit the contract to be proved by any means but some States require that the agreement ... -
Heat Budget of the Southeastern Part of the Arabian Gulf
( Qatar University , 2001 , Article)The surface heat fluxes through the air-sea interface for the coastal water of the southeastern part of the Arabian Gulf have been estimated using the bulk formulas. The annual mean values of the sensible, latent and back ... -
Heat Storage In The Eastern Mediterranean
( Qatar University , 1993 , Article)Results of the monthly climatological fields of heat storage for the Eastern Mediterranean are presented. The zonal annual trend of monthly mean heat storage in the Levantine, Aegean and Ionian Seas are shown as well as ... -
Heavy Metals Concentration Levels in some Fish Species in the Red Sea and Gulf of Aden-Yemen
( Qatar University , 2002 , Article)Level of heavy metals (Zn, Cu, Pb, and Cd) in four species of fish; manly, fish, Crenidens Crenidens, Scomberomorus Commerson, Rastrelliger Kanagurta, Thunnus Albacares were studied in the Red Sea of Yemen and the Gulf of ... -
Heavy metals concentrations in Otolithes ruber and Pampus argenteus location from the Gulf
( Qatar University , 1999 , Article)For dermination of the Concentration of six heavy metals ( Cu, Fe, Mn, Zn, Cd, Pb) in the muscle of Oyuber and Py argenteus. Eighty samples were collected from north Qeshm Island in the Persian gulf. For digestion of samples ... -
Heavy minerals and provenance of the paleozoic suffi formation, Western desert, iraq.
( Qatar University , 1996 , Article)Heavy minerals analyses were carried out on 10 samples from the clastic Suffi Formation (the Ordovician-Carboniferous unit in the western Iraqi desert). The suite of minerals consists mainly of opaque minerals including ... -
Heighting Accuracy Of Spot Imagery
( Qatar University , 1991 , Article)The SPOT imaging system is the first sensor with stereoscopic capability and global continuous coverage. Stereopairs with overlap and base to height ratio suitable for the extraction of height information with reasonable ...
