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The Effects of Demographic Differences on Value System and Perceived School Climate in Qatar Elementary Public Schools
( Qatar University , 1993 , Article)Demographical differences were explored in elementary school teachers' perception of climate and value systems. The Arabic versions of OCDQ scale (Halpin and Croft, 1962) which measures Organizational Climate and the Study ... -
Effects of different diets on glycemic control among patients with type 2 diabetes: A literature review
( SAGE Publications , 2022 , Article Review)Background: Globally, type 2 diabetes mellitus (T2DM) is one of the most common diseases, and the incidence is gradually increasing. Diet management could improve the elevated HbA1c levels. Aim: This review aims to examine ... -
Effects of dissolved organic phase composition and salinity on the engineered sulfate application in a flow-through system
( Springer , 2020 , Article)Engineered sulfate application has been proposed as an effective remedy to enhance the rate-limited biodegradation of petroleum-hydrocarbon-contaminated subsurface environments, but the effects of dissolved organic phase ... -
Effects of Drill Mud and Drive Torque Sinusoidal Excitation on Drillstrings Lateral and Torsional StickSlip Vibrations
( Hamad bin Khalifa University Press (HBKU Press) , 2018 , Conference Paper)Oil and gas drilling companies spend around 20$ billion annually from which 15% is attributed to material and productive time losses. The most prevalent drilling problems are caused by the Bottom-Hole-Assembly failure which ... -
Effects of e-cigarette smoking on periodontal health: A scoping review.
( Public Library of Science , 2024 , Article)Use of electronic cigarettes (ECs), also known as vaping, has gained remarkable popularity globally during the last decade especially among young people. Current evidence suggests that vaping may be associated with health ... -
Effects of electric and magnetic fields on the energy levels of a hydrogenic impurity in GaAs/Gal-xAl x As heterjunction
( Qatar University , 1997 , Article)Variational method within the effective — mass approximation is used to calculate the shallow impurities states in GaAs / Gai_xAl^As heteroj unctions. Modified Fang-Howard wavefunction is used as the trial wavefunction. ... -
Effects of electron acceptors on removal of antibiotic resistant Escherichia coli, resistance genes and class 1 integrons under anaerobic conditions
( Elsevier B.V. , 2016 , Article)Anaerobic biotechnologies can effectively remove antibiotic resistant bacteria (ARB) and antibiotic resistance genes (ARGs), but there is a need to better understand the mechanisms. Here we employ bioelectrochemical systems ... -
Effects of environmental and climatic conditions on PV efficiency in qatar
( European Association for the Development of Renewable Energy, Environment and Power Quality (EA4EPQ) , 2013 , Article)The sensitivity of various solar photovoltaic technologies towards dust, temperature and relative humidity is investigated for Qatar’s environment. Results obtained show that dust accumulation has the great effect on ... -
The effects of environmental innovations on CO2 emissions: Empirical evidence from Europe
( Elsevier Ltd , 2021 , Article)Environmental innovations are key enablers of transition towards greener economies. Despite their importance, empirical studies examining the effect of green technologies on CO2 emissions are still limited. Using an ... -
Effects of estrogen on Survival and Neuronal Differentiation of adult human olfactory bulb neural stem Cells Transplanted into Spinal Cord Injured Rats
( Cold Spring Harbor Laboratory Press , 2019 , Article)In the present study we developed an excitotoxic spinal cord injury (SCI) model using kainic acid (KA) to evaluate of the therapeutic potential of human olfactory bulb neural stem cells (h-OBNSCs) for spinal cord injury ... -
Effects of exercise training on type 2-diabetes: The role of Meteorin-like protein
( Tabriz University of Medical Sciences , 2019 , Other)Diabetes, as a chronic condition affects millions of people worldwide. In the United States, approximately 84 million people have pre-diabetes, a condition that blood sugar is elevated but not to the number that is considered ... -
Effects of Expected and Percieved Division of Childcare and Household Labor on Mother's Relationship Satisfaction During Their Transition to Parenthood
( Scientific Research Publishing , 2016 , Article)This study evaluated the effects of expected and perceived division of childcare and household labor on mothers’ relationship satisfaction during their transition to parenthood. Mothers were administered a questionnaire ... -
Effects of experimental warming on soil respiration and biomass in Quercus variabilis Blume and Pinus densiflora Sieb. et Zucc. seedlings
( Springer-Verlag France , 2016 , Article)Key message: In the open-field warming experiment using infrared heaters, 3C warming affected soil respiration more in the deciduousQuercus variabilisBlume plot than in the evergreenPinus densifloraSieb. et Zucc. plot, but ... -
Effects of Fine-Grained Particles' Migration and Clogging in Porous Media on Gas Production from Hydrate-Bearing Sediments
( Hindawi Limited , 2019 , Article)The migration of fine particles in porous media has been studied for different applications, including gas production from hydrate-bearing sediments. The clogging behavior of fine particles is affected by fine particle-pore ... -
The effects of five weeks of kickboxing training on physical fitness
( CIC Edizioni Internazionali S.r.l. , 2014 , Article)Aim: the purpose of this study was to examine the effect of kickboxing training on physical fitness. Methods: 30 subjects were randomized into a kickboxing-group (n=15) and control group (n=15). Each group trained ... -
Effects of flow on scales formation in a CO2saturated brine environment
( Electrochemical Society Inc. , 2016 , Conference Paper)A significant amount of literature exists demonstrating the effect of CO2 on corrosion scale formation under non-flow conditions. However, literature available on the effects of flow on the nature and protectivity of ... -
Effects of full/partial haptic guidance on handwriting skills development
( Institute of Electrical and Electronics Engineers Inc. , 2017 , Conference Paper)It has been shown in previous studies that haptic guidance improves the learning outcomes of handwriting motor skills. In this paper, we present a comparison between full guidance and partial guidance using a haptic learning ... -
Effects of gamma radiation on reproduction, Mating competitiveness and sperm activity of Callosobruchus chinensis (l.)
( Qatar University , 1994 , Article)The effects of gamma irradiation at different doses on the adult stage of Callosobruchus chinensis L. were studied. Adult fecundity and fertility decreased by increasing the radiation dose and effects of the treatment were ... -
Effects of gamma radiation on the activity of the mosquito culex pipiens L. II. Effects on the sexual vitality of the mosquito
( Qatar University , 1988 , Article)The effects of 3 gamma doses on the sex vitality of the mosquito Culex pipiens L. were studied after irradiation of the larvae, pupae or newly emerged adults. No significant effect on the sex attraction was obseived when ... -
Effects of gamma radiation on the activity of the, mosquito culex pipiens L. : I. Effects on the attraction of the mosquito to light, colours and host
( Qatar University , 1988 , Article)The present work was carried out to investigate the effects of gamma radiation at three doses: 40, 80 and 120 Gray. On the response of the adult mosquito Culex pipieas complex when irradiated in the larval, pupal or adult ...