Browsing University Publications by Title
Now showing items 629-648 of 4413
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The Effect of Bibliotherapy in Reducing Test Anxiety Among Jordanian College Students
( Qatar University , 1997 , Article)The purpose of this study was to investigate the effect of bibliotherapy upon reducing test anxiety among Jordanian college students. Fifty five (55) Participants were randomly assigned either to experimental or controlled ... -
Effect Of Ca++ And Mg++ On The Binding Of Cytoplasmic And Nuclear Estradiol Receptors In Breast Cancer Of Female Patients
( Qatar University , 1993 , Article)Specific estradiol receptors were quantitatively determined in the cytosol and nuclear fractions of four cancerous breast tissues and one normal uterus. Validated methods are described for estradiol receptor assay. The ... -
Effect Of Carbon disulphide, Acrylonitrile And Formaldehyde On Egyptian Paddy Grain-Borne Fungi
( Qatar University , 1988 , Article)Fumigation, with various doses of carbon disulphide, acrylonitrile and formaldehyde for 8, 16 and 32 hours, of paddy grains indicate that formaldehyde was more toxic to the fungi than carbon disulphide and acrylonitrile. ... -
Effect Of Cationic And Anionic Surfactants On Electrokinetic Potentials Of Cassiterite And Quartz In Presence Of Polyvalent Cations
( Qatar University , 1994 , Article)The effect of different polyvalent electrolytes (FeCl3, AICI3, LaCl3, CeCl3 and TI1CI4) on adsorption of different surfactants (primary amine hydrochloride, sodium oleate, sodium dodecyl sulfate and phenyl disodium ... -
Effect of chemical grafting on the surface structure of porous bentonite as a support in gas chromatography
( Qatar University , 1994 , Article)The effect of thermal and chemical treatments on the variation of specific surface area of porous bentonite as a support was studied. The surface area of bare bentonite thermally treated at 950°C and then washed with ... -
Effect of Chemicals on Compressive Strength of Plastic-Laterite Interlock Paving Blocks
( Qatar University Press , 2023 , Conference Paper)This research centres on the need to develop a simple but sustainable material for the utilization of the quantum of plastic wastes that litter our environment. The research uses waste plastics and laterite soil and converts ... -
Effect Of Cobra Naja Haje Venom On The Adrenal Activity In Rabbits
( Qatar University , 1989 , Article)Injection of rabbits with a sublethal dose (0.2mg/kg) of Naja haje venom induced an increase in serum cortisol, free cholesterol, glucose and potassium ions. A decrease in total cholesterol and sodium ions was observed ... -
Effect Of Culture Conditions On The Production Of Growth Regulators And Extracellular Enzymes By Streptomyces Olivaceoviridis
( Qatar University , 1996 , Article)It was proposed to find out the optimum environmental conditions and nutritional requirements for highest growth regulating substance and enzyme production by Streptomyces olivaceoviridis. The optimum oc-amylase and ... -
The Effect of Cutting Height on Forage Yield and Performance of Alfalfa Cultivars
( Qatar University , 1999 , Article)Six exotic alfalfa (Medicago sativa L.) cultivars were evaluated for their forage yield performance and persistency under different cuttings heights during 1991/1992 in UAE. Cultivars revealed a highly significant difference ... -
Effect Of Daily Alcohol Injection Of Pregnant Rats On The Developing Embryos
( Qatar University , 1989 , Article)In the present investigation; three doses; 0.002 (group I), 0.004 (group II) and 0.006 (group III) ml/gm body weight of 25%ethanol were used. Continuous IP injection of alcohol from day 7 through day 15 caused a significant ... -
The effect of deception and debriefing upon self concept
( Qatar University , 1987 , Article)The aim of this paper is to answer two basic questions: 1. What is the influence of deception procedure conducted in social psychological experiment upon the subjects' self-concepts as measured by a self-concept scale? ... -
Effect of Different Doses of Inorganic Fertilizer on Water Quality, Primary Productivity and Production of Nile Tilapia (Oreochromis niloticus) in Earthen Ponds
( Qatar University , 2002 , Article)Earthen ponds (surface area 155 m2 each) were used to study the effect of different doses of inorganic fertilizer on water quality and fish production. Each pond was stocked with 150 fish of Nile tilapia; Oreochromis ... -
The effect of doping crystals of tgs with some di- and trivalent ions on its: (i) dielectric constant and a.c. Conductivity
( Qatar University , 1987 , Article)The problem of the existence of a new ferroelectric phase transition at low temperatures in TGS crystals is discussed. The influence of some inorganic divalent and trivalent ions presented in the lattice of TGS on dielectric ... -
The effect of doping crystals of tgs with some di- and trivalent ions on its: (ii) polarization and piezoelectricity
( Qatar University , 1987 , Article)The polarization, coercive field,piezoelectricity and electromechanical coupling for pure and doped single crystals of TGS arp investigated in the temperature range 77-325 K. The influence of the divalent ions Ni 2+, Cu2 ... -
Effect of Double Decker Flyover Construction on Urban Fabric of Ashok Rajpath, Patna, India
( Qatar University Press , 2023 , Conference Paper)Rapid urbanization and increase in number of vehicles has led to diminishing vehicular spaces on the street. This has led to construction of flyovers, which has dominated the streets. They reduce the “Sky-View” factor and ... -
Effect Of Drilling Fluids Contaminations On Saudi Reservoir Rock Wettability
( Qatar University , 1998 , Article)Wettability is a key parameter that affects the petrophysical properties of reservoir rocks. Mud nitrate during drilling pay zone causes a significant change in rock wettability that will affect the oil production and ... -
Effect of Fertilizer Application on Diversity and Production of Weeds in Crop-Less Fields
( Qatar University , 1993 , Article)The present study aims at assessing the effect of fertilizer application (with monofactorial deficiency of nitrogen, phosphorus, potassium and lime) on the diversity and production of weeds in cultivated but crop-less ... -
Effect Of Field Environmental Exposure Conditions On The Properties Of Hardened Concrete
( Qatar University , 1993 , Article)The effects of harsh field environmental exposure conditions on compressive, tensile and flexural strengths and durability aspects of concrete such as chloride penetration, sulphate attack and carbonation were investigated ... -
The Effect of Foreign Language Reading Anxiety on Jordanian EFL Teachers' Orientation and Strategy Use
( دار نشر جامعة قطر , 2024 , Article)Using the Foreign Language Reading Anxiety Scale (FLRAS), this study explores the core determinants of reading anxiety among Jordanian EFL teachers. It investigates the correlation between anxiety factors and strategy ... -
Effect of gamma radiation on the morphology and Thermophysical properties of the pollen wall of Phoenix dactylifera L.
( Qatar University , 1994 , Article)Pollen grains of Phoenix dactylifera were exposed to different doses of gamma radiation (250,500,1000 rad and 1 M rad). To access the effect of radiation on the external morphology of the pollen grains, they were examined ...