Investigational Study for the efficiency of Fe3O4@SiO2 nanoparticles in the Oil Recovery Process using glass micromodel by Elhaj, Wamda

“…Moreover, the results exhibited that the reservoir conditions are a crucial function for increasing the oil recovery rates, improving the emulsion stability, and is a substantial step for the oil recovery method that applies this particular technique.…”
Get full text
Get full text

Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs by Al-Amodi, Adel O.

“…An adsorption isotherm showed that the maximum adsorption of surfactant‐A was 1 mg per g of rock. Core flooding experiments showed 42 % additional oil recovery using 2.5 g/L (2500 ppm) HPAM and 0.001 g/g (0.1 mass%) amphoteric surfactant at 90 °C.…”
Get full text
Get full text

Could Vagus nerve stimulation influence bone remodeling? by Tamimi, Ahmad

Get full text
Get full text

Modeling of dual-metal Schottky contacts based silicon micro and nano wire solar cells by Rabbani, M. Golam

Get full text
Get full text

Development of CuAg/Cu2O nanoparticles on carbon nitride surface for methanol oxidation and selective conversion of carbon dioxide into formate by Nazir, Roshan

“…In a two-step process, the Cu NPs are synthesized first on CN surface by adsorbing Cu2+ precursors and reducing them by NaBH4. …”
Get full text
Get full text

An Overview of Solid Waste Management and Plastic Recycling in Qatar by Al-Maaded, M.

“…The analysis showed that Qatar produced around 2,000,000 tons of solid municipal waste annually, corresponding to a daily generation rate per capita of about 2. 5 kg. …”
Get full text
Get full text

Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM) by Ahmad, Hassan Haidar

“…This paper will focus on the fine recycled concrete (FRC) 0-5 mm as a fine aggregate material in the mix design for constructing the base road layers under the Asphalt layers and how using crushed concrete can increase the quality and change the classification of the base aggregate mixes. …”
Get full text
Get full text

Computational approach to unravel the impact of missense mutations of proteins (D2HGDH and IDH2) causing D-2-hydroxyglutaric aciduria 2. by Thirumal Kumar, D

“…In the case of D2HGDH protein, the mutations I147S and V444A that are positioned in the beta sheet region exhibited higher Root Mean Square Deviation (RMSD), decrease in compactness and number of intramolecular hydrogen bonds compared to the mutations N439D and D375Y that are positioned in the turn and loop region, respectively. …”
Get full text
Get full text

Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy by Shawaqfah M.

“…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
Get full text
Get full text

Structural analysis of missense mutations in galactokinase 1 (GALK1) leading to galactosemia type-2. by P, Sneha

“…Molecular docking analysis revealed a decrease in interaction between the protein and ATP in all the 3 mutations, and molecular dynamic simulations of 50 ns showed a loss of stability and compactness in the mutant proteins. …”
Get full text
Get full text

AMPK Activation Attenuates Albumin-induced Alterations in Renal Tubular Cells In Vitro by Allouch, Soumaya

“…Notably, metformin also prevented albumin-induced EMT; this was marked by a 50% decrease in a-SMA and a 60% increase in E-cadherin expression. …”
Get full text
Get full text

The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments by Dlubek, Gunter

“…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …”
Get full text
Get full text

Alveolar bone changes following bi-maxillary vertical molars' movements using clear aligners by Al-Warafi, Leena Ali

Get full text
Get full text

Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey. by Wang, Yue

“…Egg consumption at each survey was assessed by a 3-d 24-h recall and weighed food record methods. …”
Get full text
Get full text

Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae by Al-Naemi, F.

“…However, sequential plant infection (pathogens applied 5 days apart) led to a 70% decrease in fecundity and 50% reduction in intrinsic rate of increase. …”
Get full text
Get full text

Epidemiology of herpes simplex virus type 2 in Europe: systematic review, meta-analyses, and meta-regressions by Alareeki, Asalah

“…Seroprevalence decreased by 1% per calendar year. Pooled mean proportions of HSV-2 detection in GUD and in genital herpes were 22.0% (95% CI: 15.3–29.6%) and 66.0% (95% CI: 62.9–69.1%), respectively. …”
Get full text
Get full text
Get full text

Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar by Islam, Nazmul

“…The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …”
Get full text

Linear hydrogen gas sensors based on bimetallic nanoclusters by Ayesh, Ahmad I.

Get full text
Get full text

Cold Plasma as Effective Tool for Aluminum Surface Cleaning by Popelka, Anton

“…A continuous amorphous oxide layer is formed immediately after rolling process due to the reaction of oxygen and air humidity and therefore new metal surface is produced [5]. …”
Get full text
Get full text

Effects of Turbulence Intensity and Biogas Composition on the Localized Forced Ignition of Turbulent Mixing Layers by d’Auzay, C. Turquand

“…The biogas is represented by a CH4 /CO2 mixture and a two-step mechanism involving incomplete oxidation of CH4 to CO and H2 O, and an equilibrium between the CO oxidation and the CO2 dissociation has been used. …”
Get full text
Get full text