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Now showing items 14537-14556 of 50969
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Investigation of the effect of Al-8B master alloy and strain-induced melt activation process on dry sliding wear behavior of an Al–Zn–Mg–Cu alloy
( Elsevier, Ltd , 2014 , Article)Abstract This study was undertaken to investigate the influence of Al–8B master alloy and modified strain-induced melt activation process on the structural characteristics and dry sliding wear behavior of Al–12Zn–3Mg–2.5Cu ... -
Investigation of the effect of anticoagulant usage in the flow diverter stent treatment of the patient-specific cerebral aneurysm using the Lagrangian coherent structures
( Elsevier , 2021 , Article)Anticoagulants are prescribed to the flow diverter treated patients to diminish the risk of embolism in the arteries. In the present study, digital subtraction angiography images of a 49-year-old female patient with a left ... -
Investigation of the Effect of Imatinib and Hydroxyurea Combination Therapy on Hematological Parameters and Gene Expression in Chronic Myeloid Leukemia (CML) Patients
( MDPI , 2022 , Article)(1) Background: Chronic myeloid leukemia is defined as the neoplastic development of mostly myeloid cells in the bone marrow. Several treatments, including chemotherapy, radiation, hormone treatment, and immunological ... -
Investigation of the Effect of Larestan's Pipeline Water on the Mechanical Properties of Concretes Containing Granite Aggregates
( Hindawi Limited , 2019 , Article)In this study, the compressive strength of the concretes made by the pipeline water of Larestan has been investigated. Although the used water for the concretes must be clean, standard, and generally drinkable water, in ... -
Investigation of the effect of PD-L1 blockade on triple negative breast cancer cells using fourier transform infrared spectroscopy
( MDPI AG , 2019 , Article)Interactions between programmed death-1 (PD-1) with its ligand PD-L1 on tumor cells can antagonize T cell responses. Inhibiting these interactions using immune checkpoint inhibitors has shown promise in cancer immunotherapy. ... -
Investigation of the effect of polyelectrolyte structure and type on the electrokinetics and flocculation behavior of bentonite dispersions
( Elsevier B.V. , 2017 , Article)The influence of surface charge type and density, and molecular weight of cationic, anionic and amphoteric polyacrylamide (PAM) on the electrokinetics, adsorption and flocculation behavior of highly stable bentonite ... -
Investigation of the effect of surfactant on the electrokinetic treatment of PFOA contaminated soil
( Elsevier , 2022 , Article)Perfluorooctanoic acid (PFOA) is a persistent, nonbiodegradable environmental pollutant progressively becoming more problematic. Due to its ubiquitous use, PFOA is one of the PFAS chemicals frequently detected in the ... -
Investigation of the Effect of the Force-Frequency on the Behaviour of a New Viscous Damper for Railway Applications
( Qatar Univesrity Press , 2020 , Conference Paper)The primary purpose of this work is to experimentally investigate the damping coefficient of a viscous damper, intended to be used in railway applications to reduce noise emission. The viscous shock absorber used in this ... -
Investigation of the Effect of The Temperature and Magnetization Pattern on Flux Density, Instantaneous Torque, Unbalanced Magnetic Forces of a Surface Inset PMM
( Institute of Electrical and Electronics Engineers Inc. , 2022 , Conference Paper)Electrical machines utilized in domestic applications such as ceiling fans should have low losses and cost. Permanent magnets are used instead of rotor excitation to reduce losses. Therefore, not only the losses of the ... -
Investigation of the Fouling Mechanisms in the Heat Exchangers of a Hydrotreater
( Qatar University , 2005 , Article)The problem of fouling on heat exchanger surfaces has been one of the major unresolved problems of the hydrotreatment unit at the Homs oil refinery in Syria. In this unit, a feed stream of straight-run naphtha is preheated ... -
Investigation of the genetic structure of Kabyle and Chaouia Algerian populations through the polymorphism of Alu insertion markers
( Taylor and Francis Ltd , 2019 , Article)Background: In Algeria, as in all North Africa, Berbers constitute the old background of the population. Today, Berber speakers account for only ∼ 25% of Algerians. This decline is the product of a complex human settlement ... -
INVESTIGATION OF THE HUMORAL IMMUNE RESPONSES IN SARS-COV-2 INFECTED AND VACCINATED INDIVIDUALS
(06-2 , Master Thesis)Background: Protective and lasting immunity to viral infections or vaccines are usually achieved through the combined actions of both cellular and humoral immune responses. Although there exists clear evidence supporting ... -
Investigation of the hydrogen adsorbed density inside the pores of MOF-5 from path integral grand canonical Monte Carlo at supercritical and subcritical temperature
( Science in China Press , 2016 , Article)We examine the high density limit of the adsorption isotherms of hydrogen on MOF-5. The isotherms are calculated using quantum GCMC simulations over the pressure range: 0–150 atm (1 atm = 1.01325 × 105 Pa) in the subcritical ... -
AN INVESTIGATION OF THE IMPACT OF METACOGNITIVE PROMPTS, AS FACILATED BY THE EFAP-SRL MODEL, ON ACHIEVEMENT ON THE END |OF UNIT MATH TEST AMONG 8th GRADE GIRLS IN QATAR PREPARATORY SCHOOLS.
(2019 , Master Thesis)The aim of the present study is to investigate the impact of using metacognitive prompts as facilitated by the Enhanced Formative Assessment with Self-Regulated Learning (EFAP-SRL) model on students’ achievement on the end ... -
Investigation of the Learning Environment in Higher and Lower Performing "Education for a New Era" Schools
(2010 , Conference Paper)Recently, Qatar established key elements of educational reform including curriculum standards; emphasis on student-centered teaching; charter school establishment; standards-based assessment; English as the language of ... -
Investigation of the mechanical behavior of electroless Ni-P-Ti composite coatings
( American Society of Mechanical Engineers (ASME) , 2020 , Article)To improve the toughness of Ni-P coatings, NiTi superelastic particles were introduced into the Ni-P matrix through the electroless co-depositing of Ni-P and Ti particles and annealing Ni-P-Ti coatings. The mechanical ... -
Investigation of the morphology and properties of the polypropylene/low-density polyethylene/wood powder and the maleic anhydride grafted polypropylene/low-density polyethylene/wood powder polymer blend composites
( SAGE Publications Ltd , 2017 , Article)The properties of polypropylene/low-density polyethylene and maleic anhydride grafted polypropylene/low-density polyethylene blends, and their wood powder composites are compared in this study. The blends contained equal ... -
INVESTIGATION OF THE NUTRITIONAL REQUIREMENTS AND CORRESPONDING CODING GENES OF HYDROCARBON-DEGRADING BACTERIAL STRAINS FOR THE PRODUCTION OF BIOMASS USEFUL IN BIOREMEDIATION OF PETROLEUM POLLUTION
(2015 , Master Thesis)Petroleum-derived contamination events constitute one of the most dominant sources of environmental deterioration in the industrialized countries. Hydrocarbon compounds are recognized as toxic and carcinogenic organic ... -
Investigation of the performance of biocompatible gas hydrate inhibitors via combined experimental and DFT methods
( Academic Press , 2017 , Article)In this work, three ionic liquids (ILs) from the bio-compatible family of choline cations attached to anions of varying hydrophobicity namely: choline acetate (ChOAc), choline bistriflamide (ChNtf2), and choline chloride ... -
Investigation of the physico-mechanical properties of electrospun PVDF/cellulose nanofibers.
( Wiley , 2016 , Article)The electro-activity and mechanical properties of PVDF depends mainly on the b-phase content and degree of crystallinity. In this study, cellulose fibers were used to improve these characteristics. This could be achieved ...
