Influence of natural gas composition on adsorption in calcite Nanopores: A DFT study by Elbashier E.

“…The nanopores absorbed up to 28 and 24 molecules of CH4 and CO2, respectively, and the adsorption energy decreased to −0.0062 and −0.0075 eV/Å2 for each. Although the nanopore was filled spatially by the molecules, its surface still has an affinity to absorb more gas molecules energetically. …”
Get full text
Get full text
Get full text

Enhanced performance of nano-sized SiC reinforced Al metal matrix nanocomposites synthesized through microwave sintering and hot extrusion techniques by Reddy, M. Penchal

“…In the present study, nano-sized SiC (0, 0.3, 0.5, 1.0 and 1.5 vol%) reinforced aluminum (Al) metal matrix composites were fabricated by microwave sintering and hot extrusion techniques. …”
Get full text
Get full text

An experimental study on achieving even-frosting for an air source heat pump using a novel dual-fan outdoor coil by Bai, Xiaoxia

“…The experimental results demonstrated that when using the novel dual-fan outdoor coil in Cases 3, 4 and 7, the heating/frosting duration was lengthened by 23.6%, 34.5% and 46.4%, and the averaged output heating capacity () was increased by 5.5%, 9.5% and 9.6 %, and averaged COP () by 6.7%, 10.5% and 11.1% respectively, and the defrosting frequency was decreased by 33.3% in Case 7,when compared to using the traditional single-fan outdoor coil. …”
Get full text
Get full text

Improved properties of Al-Si3N4 nanocomposites fabricated through a microwave sintering and hot extrusion process by Matli, Penchal Reddy

“…In this study, nano-sized Si3N4 (0, 0.5, 1.0 and 1.5 vol%)/Al composites were fabricated using a powder metallurgy method involving microwave sintering technique followed by hot extrusion. …”
Get full text
Get full text

Preliminary Observations On The Relative Growth And Production Of Tilapia Species Cultured In Cages At Three Stocking Densities by Al Zahaby, A. S. [الاحمدي الذهبي]

Get full text

Investigating algal CO2 capture through screening of Qatari desert microalgae & cyanobacteria strains by Al Muraikhi, Mariam

Get full text
Get full text

The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder by Abdulkareem A.

Get full text
Get full text

Dynamic Salmonella Enteritidis biofilms development under different flow conditions and their removal using nanoencapsulated thymol by Yammine, Jina

“…Enteritidis biofilms displayed 5.96, 6.28 and 6.80 log CFU cm−2 under 0.006 cm s−1, 0.045 cm s−1, and 0.087 cm s−1 flow velocities, respectively. …”
Get full text
Get full text
Get full text

Effect of water absorption on the mechanical properties of long date palm leaf fiber reinforced epoxy composites by Mahdi, E.

“…The tensile/flexural results showed that water absorption decreased the specific ultimate strength and specific modulus by 14.8/14.5% and 40.1/17.8% respectively. …”
Get full text
Get full text
Get full text

Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride by Radwan A.B.

“…Using only a 50 ?mol L?1 of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …”
Get full text
Get full text

INVESTIGATING THE IMPACT AND MECHANICAL PROPERTIES OF RECLAIMED RUBBER AND SAWDUST COMPOSITE by MATAR, MOHAMMED S. A.

“…The optimum wood content percentage was 1-5%, resulting in properties within the acceptable range of industry standards. …”
Get full text

The effect of genetic and nongenetic factors on warfarin dose variability in Qatari population. by Bader, Loulia

“…Carriers of at least one CYP2C9 decreased function allele (*2 or *3) required lower median (IQR) warfarin doses compared to noncarriers [24.5 (14.5) mg/week vs. 35 (21) mg/week, p < 0.001]. …”
Get full text
Get full text

Temporal patterns of cancer burden in Asia, 1990–2019: a systematic examination for the Global Burden of Disease 2019 study by Rajesh, Sharma

“…FindingsAll cancers combined claimed an estimated 5.6 million [95% uncertainty interval, 5.1–6.0 million] lives in Asia with 9.4 million [8.6–10.2 million] incident cases and 144.7 million [132.7–156.5 million] DALYs in 2019. …”
Get full text
Get full text
Get full text

Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar by Ahmedna, Mohamed

“…Biochars produced from mixed materials pyrolyzed at 500–750°C for 4–6 hours of pyrolysis time and used 2% application rate are best for amendment of normal soil while soft and mixed materials pyrolyzed at 300–500°C for 4 hours and used at 0.5–1% application rates as most suitable for the amendment of sabkha soil. …”
Get full text
Get full text

Application of Fe3O4 magnetite nanoparticles grafted in silica (SiO2) for oil recovery from oil in water emulsions by Elmobarak W.F.

“…Using an MDdose as low as 10 mg/L attained a %ηdem in the range of 93%–94.3% for O/W mixtures with Coil < 2000 mg/L, which slightly decreased to ∼90% for higher concentrations. The reported %Roil (p-value <0.05) was >90 ± 0.1 for tests carried out with pH ≤ 7 and Csur ≤ 0.1 g/L and declined at higher pH and Csur to % 86.5 due to the increase in emulsion stability. …”
Get full text
Get full text

Enhancing effect of chia seeds on heterocyclic amine generation in meatball by Elbir, Zeynep

“…The impact of using chia seeds at different rates (0%, 0.5%, 1%, and 1.5%) in meatball on the water content, pH and lipid oxidation (thiobarbituric acid reactive substances, TBARS), cooking loss and heterocyclic aromatic amines (HAAs) content of meatballs cooked at 150, 200, and 250 °C was investigated. …”
Get full text
Get full text
Get full text

Swimming exercise improves short- and long-term memories: Time-course changes by Alomari, Mahmoud A.

“…Errors decreased (p < 0.0001) after 7 days of training and remained lower (p < 0.0001) than baseline without differences between 7, 14, and 28 days (p > 0.5). …”
Get full text
Get full text

Mn-ferrite based solar thermochemical water splitting cycle: A thermodynamic evaluation by Bhosale R.R.

“…allied with the Mn-ferrite was observed to be increased as the PO2 was decreased from 10?1 to 10?5 atm and the TH was upsurged from 1500 to 2100 K. …”
Get full text
Get full text

Screening of Qatari Microalgae and Cyanobacteria for Application in CO2 Utilization by 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. …”
Get full text
Get full text

Cobalt phthalocyanine as a novel molecular recognition reagent for batch and flow injection potentiometric and spectrophotometric determination of anionic surfactants by El-Nemma, Eman M.

“…Under hydrodynamic mode of operation (FIA), the slope of the calibration plot, limit of detection, and working linear range are −51.1 mV decade−1, 5.6 × 10−7 and 1.0 × 10−3 to 1.0 × 10−6 mol L−1, respectively. …”
Get full text
Get full text