Browsing University Publications by Title
Now showing items 657-676 of 4414
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Effect of level of relative humidity on fungi and germination capacity of paddy (oryza sativa l.) Grains in egypt
( Qatar University , 1993 , Article)The changes in the composition of paddy grain-borne fungi in the germination capacity, and in the moisture content of paddy grains at various levels of relative humidity (r.h.) (~ 0-100%) stored at 20°C for 1, 2, 3 and 4 ... -
Effect of Omega-3 Polyunsaturated Fatty Acids on Inflammatory Biomarkers in Chronic Obstructive Pulmonary Disease
( Qatar University Press , 2020 , Poster)Chronic obstructive pulmonary disease (COPD) is a chronic progressive inflammatory disease characterised by airflow limitation. Several pro-inflammatory markers are thought to be involved in the pathogenesis of COPD. ... -
Effect Of Oral Administration Of Alcohol On The Developing Rat Embryos
( Qatar University , 1988 , Article)Pregnant rats were forced to ingest 0.015 ml of 25% ethanol/gm body weight daily starting from day 7 (D7-group) or day 9 (D9-group) until day 15 of gestation. The number of surviving embryos significantly decreased and ... -
Effect of Pedestrian Penalty on Pedestrian Behavior in Qatar
( Qatar University Press , 2021 , Poster)Crashes involving pedestrians are a major concern for authorities in many developed and developing countries. To refrain pedestrians from illegal or unsafe road behavior, authorities introduced three pedestrian penalties ... -
Effect of Pharmacogenetic-Based Decision Support Tools in Improving Depression Outcomes: A Systematic Review
( Qatar University Press , 2021 , Poster)Introduction: Evidence supporting pharmacogenetic (PGX) tests utility in depression is scarce. The main objectives of this study were to summarize, update, and assess the quality of the available evidence regarding PGX ... -
Effect of Plant Growth Regulators on Callus Induction from Leaf and Petiole explants of Hummeid (Rumex Vesicarius)
( Qatar University Press , 2021 , Poster)Advancement in plant cell culture technology has permitted the increasing interest in harvesting plant metabolites from cell cultures. This technique is based on in vitro propagation of plant callus which contains many ... -
Effect of plastic deformation on Corrosion of cadmium in 0.1 m sodium Sulphate solution
( Qatar University , 1993 , Article)The present investigation was carried out to study the influence of prior plastic deformation and surface finish on the corrosion behaviour of pure cadmium in 0.1 M Na2SC>4 solution at 25° C. Cylindrical specimens were ... -
Effect Of Production Induced Stresses On Reservoir Productivity
( Qatar University , 2001 , Article)The importance of permeability sensitivity to the changes in pore pressure drop or effective overburden stress increase has been examined at laboratory using two types of rocks, sandstone and limestone. Whereas the ... -
Effect of Rhizohnim melilotti and VA-mycorrhizac on Forage Yield and Quality of Two Alfalfa Cultivars
( Qatar University , 2003 , Article)An experiment was conducted at the Demonstration Farm of the faculty of Agriculture, University of Khartoum at Shambat during the period December 1997 to June, 1999, to investigate the effect of Rhizobium meliloti and ... -
Effect Of Sand Blasting On Soda Lime Glass Properties
( Qatar University , 2003 , Article)The present work is based on a simulation in laboratory of the erosion of a soda lime glass caused by sand blasting during sandstorms. It deals with the effects of sand blasting duration (from 0 to 60 min) and impact angle ... -
Effect of Seagrass Liquid Extracts on Bell Pepper (Capsicum annuum) Under Salt stress Conditions.
( Qatar University Press , 2020 , Poster)Salinity is considered as major environmental challenge that affects crop growth and productivity. This study investigated the application of Haodule univervis seagrass liquid extract on bell pepper (Capsicum annuum L.) ... -
Effect Of Series Resistance On Photovoltaic Properties Of In-Doped Cdte(P) Thin Film Homojunction Structure
( Qatar University , 2001 , Article)The photovoltaic properties of In-doped CdTe(p) thin film homojunction structure have been investigated, specially the effect of the series resistance on the short-circuit current at low and high light intensities has been ... -
Effect of Silicon Nitride and Graphene Nanoplatelets on the Properties of Aluminum Metal Matrix Composites
( Qatar University Press , 2021 , Poster)This research work aims at investigating the influence of a fixed content of silicon nitride (Si3N4) and varied contents of graphene nanoplatelets (GNPs) on the physical and mechanical properties of Al-Si3N4-GNPs composites. ... -
Effect of some Vegetable Plant Hosts on the Biological Responses of Brevicoryne Brassicae (L) and Aphis Gossypii (Glover).
( Qatar University , 1982 , Article)The influences of these different vegetable plant hosts on the biological response of Brevicoryne brassicae (L) and Aphis gossypii (Glover) were studied. The results obtained for B. brassicae (L) indicated that the lowest ... -
The Effect of Storybook Reading on Kindergartner's Concepts About Print
( Qatar University , 2005 , Article)Childern's experiences with literacy awareness are almost as varied as children themselves. This present study used experimental design to exmine the effects of storybook reading on kindergartners' concepts about print ... -
Effect Of Sugar Beet Seed Treatments With Some Growth Regulators On Damping Off Incidence, Total Soluble Sugars And Yield
( Qatar University , 1989 , Article)Seven seed borne fungi were isolated from sugar beet seeds viz. Alternaria alternata, Helminthosponum sp., Rhizopus stolonifer, Epicoccum sp., Rhizoctonia solani, Phoma betae and Fusarium oxysporium f. sp. befae. The last ... -
Effect of sulphates in cement (containing 5% pozzolana) and in sand on the correlation between compressive strength and u.p.v. of concrete of different mixes
( Qatar University , 1990 , Article)Sulphates may be found in any of the raw materials of cement. Sand contaminated with sulphates is currently a local problem because of the difficulty in obtaining well-graded sand which could be used in concrete that has ... -
The effect of temperature and relative humidity on survival of unfed hyalomma impeltatum (acarina: ixodidae)
( Qatar University , 1991 , Article)This work investigates survival of unfed Hyalomma impeltatum in which 8089 larvae, 3946 nymphs, 2058 males and 2304 females held at different combinations of temperature (21, 25, 29 and 34°C) and relative humidity (RH) ... -
Effect Of Temperature On Hyalomma (Hyalomma) Impeltatum Schulze And Schlottke (Ixodoidea: Ixodidae)
( Qatar University , 1988 , Article)The effect of 21, 25, 29 and 34°C on developmental period duration, weight of different stages in the life cycle and conversion efficiency in Hyalomma (H.) impeltatum Schuize and Schlottke was investigated at 75% relative ... -
Effect Of The Apical Ectodermal Ridge On Mitotic Index In Hind Limb Bud Mesenchyme In Bufo Regularis
( Qatar University , 1991 , Article)The apical ectodermal ridge (AER) was formed at stage 51 of Bufo regularis, it persisted at stage 52 (limb bud acquiring paddle-shaped outline), then it disappeared by stage 53 (first indication of fourth and fifth toes). ...