Tailoring optical absorption in silicon nanostructures from UV to visible light: A TDDFT study حسب Hassan, Walid M.I.

"…(ii) The exciton binding energy is seen to decrease by approximately 45% from 0.67 eV to about 0.3 eV with length increase, for a nanostructure with a cross-section diameter of approximately 12 Å. …"
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Influence of the heteroatom on the optoelectronic properties and transistor performance of soluble thiophene-, selenophene- and tellurophene-vinylene copolymers حسب Al-Hashimi, Mohammed

"…The optical band gap of the polymers is shown to systematically decrease as the size of the heteroatom is increased, mainly as a result of a stabilization of the LUMO energy, resulting in a small band gap of 1.4 eV for P3TeV. …"
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Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization حسب Schipper, Kira

"…The tolerance of the strains to increased concentrations of CO2 in the gas phase was also studied for CO2 concentrations ranging from 5% to 30% (v/v). With productivities of 53.7 ± 11.4, 162.2 ± 5.4, 333.8 ± 29.1 and 312.8 ± 12.8 mg L-1 d-1 for 5, 10, 20 and 30% CO2 respectively, Tetraselmis sp. showed that a significant productivity increase could be obtained with increased CO2 concentrations. …"
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Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy حسب Ali, Mohamed H

"…1. Background: Stroke, i.e. loss of brain function(s) due to disturbance in the blood supply to the brain, is the main cause of adult disability (e.g. paralysis) in the world, leaving more than half of the patients dependent on daily assistance. …"
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Uncovering the Epigenetic Contribution of Protein Arginine Methyltransferase 5 (PRMT5) during Zebrafish Cardiomyogenesis حسب Zakaria, Zain Zaki

"…This was accompanied by a moderate decrease in blood flow (20%), significantly higher decrease in general cardiac output (65%), and reduction in red blood cells count (50%). …"
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Efficacy of a novel topical fipronil, (S)-methoprene, eprinomectin and praziquantel combination against naturally acquired intestinal nematode and cestode infections in cats حسب Knaus, Martin

"…In each study, cats were assigned randomlyto blocks of two animals each, based on decreasing pre-treatment body weight and wererandomly allocated to one of two groups of six to 12 cats: untreated (control) or treatedwith topical fipronil (8.3%, w/v), (S)-methoprene (10%, w/v), eprinomectin (0.4%, w/v)and praziquantel (8.3%, w/v) (BROADLINE®, Merial) at 0.12 mL/kg body weight (providinga minimum of 10 mg fipronil + 12 mg S-methoprene + 0.5 mg eprinomectin + 10 mg prazi-quantel per kg body weight). …"
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Effect of left atrial ligation-driven altered inflow hemodynamics on embryonic heart development: clues for prenatal progression of hypoplastic left heart syndrome. حسب Salman, Huseyin Enes

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Inter-annual variability and distribution of aerosols during winters and aerosol optical thickness over Northeastern Pakistan حسب Shahid, M. Z.

"…ir pollution during winters over north-eastern (NE) Pakistan (71–74.5 E, 28–34 N) is a major challenge that affects human health, climate and daily life. …"
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A study on stability of active layer of polymer solar cells: effect of UV–visible light with different conditions حسب Mehmood U.

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Influence of anionic surface modifiers on the thermal stability and mechanical properties of layered double hydroxide/polypropylene nanocomposites حسب Yang, J.H.

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Reduced graphene oxide impregnated gelma hydrogel promotes angiogenic activity in chick embryo model حسب Rehman, Syed Raza ur

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Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites حسب Ahamad, N.

"…Scanning electron microscopy shows that aluminium matrix has uniform distribution of reinforcement particle i.e. aluminium oxide and titanium oxide. Density of composite decreases due to variation of reinforcement and it shows low density after preheating. …"
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Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization حسب Al-Khawaja, Mohammed

"…Using the genetic algorithm optimization method with R1234ze(E) as working fluid in both power and cooling loops, a maximum power loop efficiency of 6.3% and COP of 5.3 were obtained at a high pressure of 29 bar (in the power loop) with minimal expander diameter of 64, compressor diameter of 171 mm, and 18 expander-compressor units.…"
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Effects of soaking, acidity and temperature on cadmium and lead removal from rice حسب Al-Naimi M.

"…Different rice treatments were involved i.e. three soaking times (0, 15, and 30 min), three temperatures (20, 25, and 30 �C) and four concentrations of glacial acetic acid (0.5%, 1%, 2%, and 3%). …"
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Impact of aluminium acetate particles size on the gelation kinetics of polyacrylamide-based gels: Rheological and molecular simulation study حسب Hamza A.

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Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf حسب Torquato, F.

"…Several trends were uncovered in the vertical distribution of the fish community; most species were observed between 20 and 50 m depth and fish abundance decreased towards the bottom, with the highest abundances recorded in the upper layers, i.e. down to 40 m depth. …"
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Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar حسب Khaled, Salma M.

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Numerical evaluation of the thermal performance of a near-surface earth-to-air heat exchanger with short-grass ground cover: A parametric study حسب Pakari, Ali

"…By increasing the soil thermal conductivity from 1 to 5 W m−1 K−1 the outlet temperature decreased by about 4.4 °C.…"
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The Impact of COVID-19 on the HIV Cascade of Care in Botswana – An Interrupted Time Series حسب Sehurutshi, Alice

"…In multivariable Poisson interrupted time series regression, the COVID-19 lockdown was associated with a 27% decrease in the monthly numbers of HIV tests (IRR 0.73, 95%CI 0.72–0.73), a 25% decrease in HIV positive tests (IRR 0.75, 95%CI 0.71–0.79), and a 43% reduction in ART initiations (IRR 0.57, 95%CI 0.55–0.60). …"
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A new design of solar tower system amplified with a thermoelectric unit to produce distilled water and power حسب Khanmohammadi, Shoaib

"…Additionally, the results show that employing TEGs in the primary system leads to the net output power, energy, and exergy efficiencies increment about 941 kW, 3.7%, and 5.28%, respectively. Based on the parametric analysis with an increasing inlet temperature of the gas turbine, the net output power, energy, and exergy efficiencies, and volume flow rate of the freshwater increase. …"
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