Research Units: Recent submissions
Now showing items 21-40 of 4785
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Characterization and treatment technologies applied for produced water in Qatar
( Multidisciplinary Digital Publishing Institute (MDPI) , 2021 , Article)Qatar is one of the major natural gas (NG) producing countries, which has the world’s third-largest NG reserves besides the largest supplier of liquefied natural gas (LNG). Since the produced water (PW) generated in the ... -
Date Palm Tree Leaf-Derived Cellulose Nanocrystal Incorporated Thin-Film Composite forward Osmosis Membranes for Produced Water Treatment
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Worldwide water shortage and significant issues related to treatment of wastewater streams, mainly the water obtained during the recovery of oil and gas operations called produced water (PW), has enabled forward osmosis ... -
Effect of Leaf Powdering Technique on the Characteristics of Date Palm-Derived Cellulose
( American Chemical Society , 2023 , Article)The date palm tree (Phoenix dactylifera L.) is the oldest cultivated tree and is very commonly seen in the Arab countries. In recent times, researchers are working on the conversion of the plant-based biowaste into value-added ... -
Sustainable Preparation of Graphene Quantum Dots from Leaves of Date Palm Tree
( American Chemical Society , 2023 , Article)The date palm (Phoenix dactylifera), a subtropical and tropical tree, included in the family Palmae (Arecaceae) is one of the oldest cultivated plants of mankind. Date palm is a major agricultural product in the semi-arid ... -
Recent progress in reverse osmosis modeling: An overview
( Elsevier , 2023 , Article)The increasing worldwide demand for freshwater production requires new and sustainable processes to overcome the shortage of clean water. Reverse osmosis (RO) is regarded as the most efficient type of desalination technology ... -
Modeling of osmotically-driven membrane processes: An overview
( Elsevier , 2023 , Article)In the modern era, mathematical modeling is a promising tool to evaluate the forward osmosis (FO) and pressure retarded osmosis (PRO) systems process feasibility and check the outcome of performance parameters on the overall ... -
Qatar desalination research: An overview
( Elsevier , 2023 , Article)As freshwater scarcity has intensified in Qatar, seawater desalination has been established as a strategic and prominent industry. This study thoroughly analyzes the current status of seawater desalination research and ... -
Genotype x Environment x Management (GEM) Reciprocity and Crop Productivity
( Frontiers Media SA , 2022 , Article)Human population growth requires food production to increase at a matching pace. Crop productivity largely depends on GEM reciprocity and variation in any factor may potentially alter the overall response. Introduction of ... -
Physiological and Yield Performance Is Partially Linked to Water Use Efficiency of Eggplant Genotypes in a High-Tech Glasshouse
( Multidisciplinary Digital Publishing Institute (MDPI) , 2022 , Article)Eggplant (Solanum melongena L.) has become an increasingly common vegetable grown in glasshouses. This study emphasized on the physiological traits and productivity of three eggplant cultivars (Longa, Lydia, and Tracey) ... -
Bioethanol Production from Waste and Nonsalable Date Palm (Phoenix dactylifera L.) Fruits: Potentials and Challenges
( Multidisciplinary Digital Publishing Institute (MDPI) , 2023 , Article)Balancing the needs of current and future generations stimulates investment for sustainable development such as converting waste biomass into biorenewables. Sugar-based ethanol production is a well-investigated and established ... -
A review of passivity breakdown on metal surfaces: influence of chloride- and sulfide-ion concentrations, temperature, and pH
( Springer Nature , 2021 , Article Review)Metals, including austenitic steels and alloys, have been extensively applied in industrial and engineering applications. Passive films on metal surfaces are very important for corrosion protection. However, localized ... -
Advances in blends preparation based on electrically conducting polymer
( Springer Nature , 2019 , Article)This work presents an extensively detailed study on preparation and performance of four different hydrochloric acid-doped polyaniline (PANI) blends. The blends are obtained by changing four different polymers, viz. polyvinyl ... -
Flexible piezoelectric nanogenerator based on [P(VDF-HFP)]/ PANI-ZnS electrospun nanofibers for electrical energy harvesting
( Springer , 2021 , Article)Abstract: Over the past decade, piezoelectric nanogenerator have attracted much attention to harvest mechanical energy from abundant resources in nature. Here, the ZnS microspheres is prepared by hydrothermal method and ... -
A review of advances in the preparation and application of polyaniline based thermoset blends and composites
( Springer , 2020 , Article Review)For several decades, forming blend and composite of polyaniline (PANI) with insulating polymers has been a widely studied research area because of the potential applications of such blends, which have a unique combination ... -
A Meta-Analysis to Gauge the Effectiveness of STEM Informal Project-Based Learning: Investigating the Potential Moderator Variables
( Springer Science and Business Media B.V. , 2023 , Article Review)In recent decades, informal project-based learning (PjBL) for science, technology, engineering, and mathematics (STEM) education has gained immense significance. Though some meta-analytical studies have reported the ... -
Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends
( Trans Tech Publications , 2010 , Conference Paper)Thin films of a blend of 90, 75, 50 (wt/wt%) percentage of polyethylene oxide and polyvinyl alcohol were synthesized and irradiated with 5, 25, 50, 100 and 200 kGy. The presence of PVA leads to diffusion controlled mechanism ... -
Improvement of capacitive humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric layer
( Springer , 2020 , Article)In this research work, we improved the sensing response of the organic-based co-planar humidity sensors using tris(8-hydroxyquinoline) gallium (Gaq3) nanofibers as a dielectric material. The humidity sensor was fabricated ... -
Microstructural investigation of gamma-irradiated ultra high molecular weight polyethylene in nitrogen atmosphere
( Trans Tech Publications , 2010 , Conference Paper)In this paper the results of structural changes in ultra high molecular polyethylene (UHMWPE) upon gamma irradiation and storage in nitrogen environment are reported. Based on differential scanning calorimetry (DSC), wide ... -
Pottery from Halat Aobeer and Hazem Al-Jasrah, Qatar
( Elsevier , 2013 , Article)In this paper the results of investigations on six archaeological ceramic sherds of the most common Islamic earthenware from the site of Halat Aobeer and Hazam Al-Jasrah are presented. The data was obtained by using a ... -
A STEM model for engaging students in environmental sustainability programs through a problem-solving approach
( Routledge , 2023 , Article)This study exemplifies a STEM model for engaging students in environmental sustainability programs through a problem-solving approach. The study employed a mixed-method approach incorporating 346 elementary students. The ...