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Now showing items 20521-20540 of 50233
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Properties and thermal stabilization of Nanocrystalline copper via solute additions of niobium
(2017 , Master Thesis)Nanocrystalline materials, those with grain size <100 nm, were found to have superior mechanical properties compared to their coarse-grained (CG) counterparts. However, these materials are not thermally stable because of ... -
Properties and thermo-switch behaviour of LDPE mixed with carbon black, zinc metal and paraffin wax
( Springer Verlag , 2017 , Article)This paper reports on the presence of wax and radiation-induced crosslinking on the morphology, thermal and mechanical properties, as well as electrical conductivity and thermo-switch properties of LDPE containing ... -
Properties enhancement of Ni-P electrodeposited coatings by the incorporation of nanoscale Y 2 O 3 particles
( Elsevier B.V. , 2018 , Article)In this study the influence of nanoscale Y 2 O 3 particles on structural, morphological, mechanical and the elemental composition of Ni-P coatings have been investigated using scanning electron microscopy (SEM), microhardness, ... -
Properties of a three-dimensionally ordered macro-mesoporous carbon-doped TiO2 composite catalyst
( World Scientific Publishing , 2013 , Article)This study aimed to develop an effective, environmentally benign composite catalyst composed of carbon materials and titanium dioxide (TiO2). Carbon-doped titanium dioxide (C-TiO2) was prepared by coating TiO2 onto ... -
Properties of Dialkylcarbonate + 1-Alkanol Mixtures at the Vacuum Interface
( American Chemical Society , 2016 , Article)The properties of solutions formed by dialkylcarbonate + 1-alkanol solutions are studied using classic molecular dynamics simulations. The effects of solution composition, temperature, and dialkylcarbonate type have been ... -
Properties of electrodeposited Ni-B-Al2O3 composite coatings
( Elsevier Ltd , 2014 , Article)Ni-B coatings have gained a great deal of attraction due to their promising mechanical properties. Owing to tempting properties, Ni-B coatings have succeeded to find their applications in automotive, aerospace, petrochemical, ... -
Properties of electrodeposited Ni-B-ZrO2 composite coatings
( Electrochemical Science Group , 2015 , Article)Ni-B coatings have high hardness and high wear resistance which make them suitable for automotive, aerospace, petrochemical, textile and electronics industries. Further improvement in properties (especially the corrosion ... -
Properties of fibre-reinforced concrete made with discarded materials
( ICE Publishing , 2019 , Article)This research paper investigates the physical, chemical and mechanical properties of steel slag aggregates (SSA), gravel aggregates (GLA), natural gabbro aggregates (NGA), and the different fresh and hardened properties ... -
Properties of microwave sintered al-cu metal matrix composites
( Association for Iron and Steel Technology, AISTECH , 2016 , Conference Paper)The present work focuses on the effect of copper (Cu) reinforcement on structural and mechanical properties of Al-Cu composites synthesized through microwave sintering approach. The pure aluminum (Al) and copper (Cu) powders ... -
Properties of nanoclay PVA composites materials
( Hamad bin Khalifa University Press (HBKU Press) , 2013 , Article)Polyvinyl alcohol (PVA)/Na-rich Montmorillonite (MMT) nanocomposites were prepared using solution method to create polymer-clay nanocomposite (PCN) material. The PCN material was studied using X-ray diffraction (XRD), ... -
Properties Of The Omani Sarooj
( Qatar University , 1997 , Article)The fundamental properties of the Omani sarooj have been studied. Sarooj samples were collected from different sites to assess their pozzolanic activity. A laboratory testing program covering chemical and physical ... -
Property Assessment in Qatar (Case Study the Pearl Residential Apartments)
(2017 , Professional Masters Project)The Gulf countries have been maintained as Tax Free heavens due to their strong revenue from their natural resources like Oil. However, by the end of 2014, the oil prices has dropped in the world resulting in the gulf ... -
A Property Based Approach for Simultaneous Process and Molecular Design
( Elsevier B.V. , 2009 , Article)In this work, property clustering techniques and group contribution methods are combined to enable simultaneous consideration of process performance requirements and molecular property constraints. Using this methodology, ... -
Property ownership and the legal personhood of artificial intelligence
( Taylor and Francis , 2021 , Article)© 2020 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This paper adds to the discussion on the legal personhood of artificial intelligence by focusing on one area not covered by previous ... -
Prophylactic antibiotics for preventing genital tract infection in women undergoing surgical procedures for incomplete abortion: a systematic review and meta-analysis of randomized controlled trials.
( Wiley , 2020 , Article)Findings about the effect of prophylactic antibiotics in preventing genital tract infection (GTI) associated with surgical procedures used for incomplete abortions are conflicting. Some reported a decrease in infection ... -
Prophylactic Sildenafil in Preterm Infants at Risk of Bronchopulmonary Dysplasia: A Pilot Randomized, Double-Blinded, Placebo-Controlled Trial.
( Springer Verlag , 2019 , Article)Bronchopulmonary dysplasia (BPD) is the need for oxygen therapy at 36 weeks postmenstrual age (PMA). Sildenafil has been shown to enhance the lung alveolarization and vascularization in newborn animal models after lung ... -
Propionic acidemia in the Arab World.
( Elsevier , 2015 , Article)The autosomal recessive disease propionic acidemia (PA) is an inborn error of metabolism with highly variable clinical manifestations, caused by a deficiency of propionyl-CoA carboxylase (PCC) enzyme, due to mutations in ... -
Propolis Use in Dentistry: A Narrative Review of Its Preventive and Therapeutic Applications
( Elsevier , 2024 , Article Review)Propolis is a resinous substance produced naturally by bees, and it consists of the exudates of plants mixed with enzymes, wax, and pollen. Propolis continues to gain considerable scientific interest due to its potential ...
