Development of Semitransparent UV Photodetector Based on PTB7-Th:PCBM Composite Using the Cost-effective Fabrication Method حسب Riaz, Muhammad

"…The variation in UV intensity (0 to 20,000 pW/cm2) and frequency (100 Hz, 1 kHz, 10 kHz, 100 kHz, and 200 kHz) was carried out, and variation of impedance and capacitance has been studied. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Performance assessment of inductive power transfer for railway applications حسب Almuhannadi, D.

"…The practical implementation has been conducted at a rated voltage of 100V DC at 50kHz and input power of 80W. The maximum achieved efficiency is 87% at 1cm air gap for the loosely coupled IPT.…"
احصل على النص الكامل
احصل على النص الكامل

Absorption of CO2 in aqueous blend of methyldiethanolamine and arginine حسب Talkhan, Ahmed Gomaa

"…The study was carried out at different mixing ratios of MDEA and Arg at a total concentration of 2 moles per litre. The CO2 partial pressure varied from about 10 to 100 kPa, and the temperature varied from 293 K to 323 K. …"
احصل على النص الكامل
احصل على النص الكامل

ASSOCIATION BETWEEN INSULIN RESISTANCE AND NITRIC OXIDE IN HUMAN RETINAL MICROVASCULAR ENDOTHELIAL CELLS IN VITRO حسب Bushra, Sumbul

"…The various parameters of PI3K/ Akt signaling pathway were analyzed. This study demonstrated that Hyperglycemia causes an increase in ROS/oxidative stress and apoptosis, while insulin promotes a significant decrease in ROS and apoptosis, eNOS mediated NO production increases with hyperglycemia but remarkably reduced with insulin treatment after 1hour, 2 hours and 4 hours. …"
احصل على النص الكامل

Enhancement of mechanical and corrosion resistance properties of electrodeposited NiP-TiC composite coatings حسب Fayyaz O.

"…Further increase in the concentration of TiC particles results in a decrease in hardness, which can be ascribed to their accumulation in the Ni–P matrix. …"
احصل على النص الكامل
احصل على النص الكامل

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.

"…The data for 2020/21 showed a 35.1% and 29.2% decrease in depression and anxiety symptoms scores compared to pre-pandemic years (2017/2018) after adjusting for sociodemographic factors. …"
احصل على النص الكامل
احصل على النص الكامل

Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating حسب Cabibbo, M.

"…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …"
احصل على النص الكامل

Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface حسب Filip, Jaroslav

"…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Utilization of Emergency Services by Children with Asthma in Qatar حسب Arafah, Dima

"…Background: Asthma is a leading chronic disease in children worldwide, which if left untreated or poorly controlled, can lead to altered lung function and poor quality of life. 1 Early detection and improved control of asthma are recommended to decrease utilization of emergency services and hospitalizations. …"
احصل على النص الكامل
احصل على النص الكامل

Mechanical Performance and Thermo-Physical Properties of Cement Mortar Incorporating Hybrid Slags حسب Baawain, Mahad

احصل على النص الكامل
احصل على النص الكامل

High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling حسب Cabibbo, Marcello

"…The main problem with steel, isthat itexhibits a relatively low hardness (below 10 GPa) which strongly decreases upon annealing above about 600 K.Thus, the majority of modern tools are nowadays coated with hard coatings that increase the hardness, decrease the coefficient of friction and protect the tools against oxidation. …"
احصل على النص الكامل
احصل على النص الكامل

Association between Insulin and Nitric Oxide in Human Retinal Microvascular Endothelial Cells in vitro حسب Rizk, Nasser Moustafa

"…Subsequently, the cells were treated with 100 nM insulin for 10 minutes, 1, 2, and 4 hours. …"
احصل على النص الكامل
احصل على النص الكامل

Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures حسب Mittal, Prateek

"…ZrO2 and Graphite reinforcements were added (0.5–0.5, 1.0–1.0, 1.5–1.5 and 2.0–2.0 wt %) in the four composite samples prepared via stir casting. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Greater effects of high- compared with moderate-intensity interval training on cardio-metabolic variables, blood leptin concentration and ratings of perceived exertion in obese ado... حسب Racil, G.

احصل على النص الكامل
احصل على النص الكامل

Foamed phase change materials based on recycled polyethylene/paraffin wax blends حسب Sobolčiak, Patrik

"…Differential Scanning Calorimetry was used to determine the specific enthalpies of melting (22.4–25.1 J/g) what is the latent heat of materials utilized during a heat absorption. A stability of samples during 10 heating/cooling cycles was demonstrated. …"
احصل على النص الكامل
احصل على النص الكامل

Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

"…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Influenza prevalence and vaccine efficacy among diabetic patients in Qatar حسب Swapna, Thomas

"…Among DM patients, influenza was the most prevalent respiratory pathogen at 48.9%. Influenza virus A (IVA) was the most circulating type, contributing to 38.4%, followed by IVB contributing to 10.4% of total respiratory infections. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar حسب Abdelrahman, Doua

احصل على النص الكامل
احصل على النص الكامل

Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends حسب Al-Maadeed, M.

"…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 where it decreases the crystallinity of PEO as restricted crystallization occurs.Low doses of 5 kGy cause crosslinking of the blends and increase the thermal stability. …"
احصل على النص الكامل
احصل على النص الكامل

Novel electroless deposited corrosion — resistant and anti-bacterial NiP–TiNi nanocomposite coatings حسب Fayyad E.M.

احصل على النص الكامل
احصل على النص الكامل