Browsing Research Units by Title
Now showing items 4399-4418 of 4992
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Thermal properties of TiO 2 NP/CNT/LDPE hybrid nanocomposite films
( MDPI AG , 2018 , Article)This work aims to investigate the effect of hybrid filler concentration on the thermal stability of low-density polyethylene (LDPE) matrices. LDPE-based composite films were synthesized by melt mixing, followed by compression ... -
Thermal regulation of algae cultures in raceway ponds utilizing ground heat: Improving techno-economic feasibility and process sustainability of large-scale algae production in Qatar
( Elsevier , 2023 , Article)There is an increasing drive for developing sustainable alternatives for fuels, foods, feeds, and chemicals. Algae can play a significant role in this, however the commercialization of microalgal biomass is still limited ... -
Thermal, Electrical, and Sensing Properties of Recycled HDPE/Carbonaceous Industrial Waste Composites
( John Wiley and Sons Inc , 2021 , Article)This work is an endeavor to contemplate a value-added conductive plastic composite material derived as recycled plastic depending on polyethylene (PE)/carbon black (CB). We choose to add CB as a filler material to enhance ... -
Thermally conductive polyethylene/expanded graphite composites as heat transfer surface: Mechanical, thermo-physical and surface behavior
( MDPI AG , 2020 , Article)Composites of high-density polyethylene (HDPE) and expanded graphite (EG) are prepared for heat exchangers in multi-effect distillation (MED) desalination. At 50 wt.% EG loading, the thermal conductivity of HDPE was increased ... -
Thermo-osmosis-Coupled Thermally Regenerative Electrochemical Cycle for Efficient Lithium Extraction
( American Chemical Society , 2021 , Article)Lithium (Li) production based on the soda evaporation process is time-consuming and unsustainable. The emerging electrochemical Li extraction is time-efficient but requires high-concentration Li sources and significant ... -
Thermochemical splitting of CO2 using solution combustion synthesized LaMO3 (where, M = Co, Fe, Mn, Ni, Al, Cr, Sr)
( Elsevier B.V. , 2020 , Article)The effort of this paper was to recognize the inclusion of appropriate dopants that will upgrade the redox reactivity of La-based perovskites. By maintaining the fuel (glycine) to metal nitrate ratio () = 1, the LaMO3 ... -
Thermochemical treatment of fly ash for synthesis of mesoporous activated carbon
( Springer Netherlands , 2015 , Article)A mesoporous activated carbon is produced from oil fly ash (OFA) using chemical and thermal treatments at different activation conditions. The ash samples were refluxed with a range of compositions of sulfuric, nitric, and ... -
Thermochemical Upgrading of Calcium Bentonite for Drilling Fluid Applications
( American Society of Mechanical Engineers (ASME) , 2019 , Article)The rheological properties of bentonite suspensions depend on the chemical composition and the contained dominant element, such as calcium (Ca), potassium (K), and sodium (Na). Na-bentonite type is the one used in drilling ... -
Thermodynamic characterization of deepwater natural gas mixtures with heavy hydrocarbon content at high pressures
( Elsevier , 2015 , Article)This paper includes high-accuracy density measurements and phase envelopes for deepwater natural gas mixtures. Mixtures primarily consist of (0.88 and 0.94) mole fraction methane and both mixtures includes heavy components ... -
Thermodynamic investigation of hydrogen enrichment and carbon suppression using chemical additives in ethanol dry reforming
( Elsevier Ltd , 2016 , Article)In this study, a thermodynamic equilibrium analysis has been performed on ethanol dry reforming in presence of commonly used reducing agents such as glycine, hydrazine, urea and ammonia. The effect of these agents on ... -
Thermodynamics and kinetics of CH4/CO2 binary mixture separation by metal-organic frameworks from isotope exchange and adsorption break-through
( Elsevier B.V. , 2018 , Article)We combine the isotope exchange technique (IET) with the conventional Sieverts method, microcalorimetry, breakthrough experiments and multi-scale modelling to comprehensively and quantitatively investigate the thermodynamics ... -
Thermomechanical properties and thermal degradation kinetics of poly(methyl methacrylate) (PMMA) and polycarbonate (PC) filled with cerium doped yttrium aluminium garnet (Ce:YAG) prepared by melt compounding.
( Springer Verlag , 2017 , Article)This paper reports on the thermomechanical properties and thermal degradation kinetics of poly(methyl methacrylate) (PMMA) and polycarbonate (PC) composites filled with cerium-doped yttrium aluminium garnet (Ce:YAG) at ... -
Thermophysical Characterization of Paraffins versus Temperature for Thermal Energy Storage
( MDPI , 2023 , Article)Latent heat storage systems (LHSS), using solid-liquid phase change materials (PCMs), are attracting growing interest in many applications. The determination of the thermophysical properties of PCMs is crucial for selecting ... -
Thermophysical properties of multifunctional glass fibre reinforced polymer composites incorporating phase change materials
( Elsevier B.V. , 2016 , Article)In this study novel multifunctional composites consisting of glass fibre/epoxy/microencapsulated phase change materials (micro-PCMs) were prepared and their thermophysical properties have been investigated. Test results ... -
Thin-film composite hollow fiber membranes incorporated with graphene oxide in polyethersulfone support layers for enhanced osmotic power density
( Elsevier B.V. , 2019 , Article)This study focused on the development of pressure retarded osmosis (PRO) thin film composite (TFC) membranes for enhanced osmotic power using hollow fiber polyethersulfone (PES) support structure modified by incorporating ... -
Thiostrepton inhibits growth and induces apoptosis by targeting FoxM1/SKP2/MTH1 axis in B-precursor acute lymphoblastic leukemia cells
( Taylor and Francis Group , 2021 , Article)Forkhead box M1 (FoxM1) is a transcription factor that plays an important role in the etiology of many cancers, however, its role has not been elucidated in B-precursor acute lymphoblastic leukemia (B-pre-ALL). In the ... -
THIRD-PARTY PRESENCE EFFECT WITH PROPENSITY SCORE MATCHING
( Oxford University Press , 2015 , Article)This paper attempts to measure the effect of third-party presence during the interview on sensitive questions about women’s empowerment in Morocco, a country with Muslim culture and traditions. Data are from the 2003 ... -
Threat-specific security risk evaluation in the cloud
( Institute of Electrical and Electronics Engineers Inc. , 2021 , Article)Existing security risk evaluation approaches (e.g., asset-based) do not consider specific security requirements of individual cloud computing clients in the security risk evaluation. In this paper, we propose a threat-specific ... -
ThreatRiskEvaluator: A Tool for Assessing Threat-Specific Security Risks in the Cloud
( Institute of Electrical and Electronics Engineers Inc. , 2019 , Conference Paper)In cloud computing, security risks posed to individual clients are different based on their specific security requirements. In current practice, cloud providers usually apply generic protection mechanisms that may not be ... -
Throughput optimization for the Robotic Cell Problem with Controllable Processing Times
( EDP Sciences , 2017 , Article)In this paper, we present a MIP-based heuristic and an effective genetic algorithm for the Robotic Cell Problem with Controllable Processing Times (RCPCPT). This problem arises in modern automated manufacturing systems and ...