Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

"…The slope suggests that removal of C as CaCO3, organic matter (CH2O) or gas exchange (FCO2) is occurring with a ratio of ΔCaCO3/(ΔCH2O or FCO2) = 1:2.86. The tracer Alk*, defined as the deviation of potential alkalinity (AP) (where AP = TA + 1.26 [NO3]) from conservative potential alkalinity ((ApC), (ApC = S Ap′S′ where A'P and S′ are mean values for the whole surface ocean) has values primarily determined by CaCO3 precipitation and dissolution. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser حسب Mousa, Ali M. [علي مطشر موسى]

"…Doped sample Tann = 200- 500 C for time t mn = 45 subjected to subsequent thermal annealing (at the temperature and to plused leacr annealing (en<5rgy density in a min) pluse E=5.2 - 9.5 J/cm2) in order to establish optimal condition. …"
احصل على النص الكامل

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

"…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 decreases with insulin treatment after 1 hour, 2 hours and 4 hours. …"
احصل على النص الكامل
احصل على النص الكامل

Thermal and mechanical characterization of injection moulded high density polyethylene/paraffin wax blends as phase change materials حسب Sotomayor, M.E.

"…The blends were prepared from 5 to 50vol. % of paraffin wax employing a twin-screw extruder. …"
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.

"…Results The two-week prevalence of depressive symptoms (≥10 on the PHQ-9) was 6.6% in 2017 and 6.5% in 2020/2021 (p = 0.986). The two-week prevalence of anxiety symptoms (≥10 on the GAD-7) was 3.6% in 2018 and 5.1% in 2020/2021 (p = 0.062). …"
احصل على النص الكامل
احصل على النص الكامل

Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends حسب Elkelawy, Medhat

"…Through performance tests, it was found that 15 ml of n-pentane per liter was the best addition as it caused an increase in the brake thermal efficiency of 7.1% and a decrease in brake specific fuel consumption of 6.4% compared to the elegant B50. …"
احصل على النص الكامل
احصل على النص الكامل

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%). …"
احصل على النص الكامل

The role of type II FB (I):Tl+ defect in laser light generation and color image formation at the low coordination surface sites of AgBr: Ab initio calculations حسب Shalabi, A.S.

"…The probability of orientational destruction of the two centers, attributed to the assumed saddle point ion configurations along the 〈1 1 0〉 axis, was found to decrease as the coordination number of the surface ions decreases. …"
احصل على النص الكامل
احصل على النص الكامل

Molecular and Structural Changes in Induced-Brain Stroke Tissue Using FTIR Imaging Spectroscopy, Scanning Electron and Atomic Force Microscopy حسب Ali, Mohamed H

"…In Fig. 5, there are spectral differences that assigned to ester and protein regions. …"
احصل على النص الكامل
احصل على النص الكامل

Morphology and property changes in PLA/PHBV blends as function of blend composition حسب Kanda G.S.

"…A weak negative deviation in the mean size for low PHBV content possibly indicates some degree of partial miscibility. …"
احصل على النص الكامل
احصل على النص الكامل

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). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Complex-impedance response of an Ag/TeO2-V2O5/Ag structure حسب El-Muraikhi, M.

"…The ac conductivity of glass samples of composition 50 mol% TeO2 and 50 mol% V2O5 has been analyzed. …"
احصل على النص الكامل
احصل على النص الكامل

Experimental studies on the biodiesel production parameters optimization of sunflower and soybean oil mixture and DI engine combustion, performance, and emission analysis fueled wi... حسب Elkelawy M.

"…70% biodiesel) were prepared to power a single cylinder diesel engine. The engine results as compared to diesel fuel, show a reduction in the rate of change of CO by 33.8% for D50B50. …"
احصل على النص الكامل
احصل على النص الكامل

A Model For A Narrow-Cut Fractionating Column حسب Farag, Hassan A.

"…The model can calculate boiling point and dew point on the feed plate, the number of liquid and vapour moles, the enthalpy of feed and the final product distribution at the top and bottom of the column. …"
احصل على النص الكامل

Trilemma of life cycle carbon, employment, and costs of trucking industry's shift toward automation and electrification حسب Mandouri, Jafar

"…Autonomy and electrification combined could lead to a 50% decrease in emissions and 46% savings in life cycle costs. …"
احصل على النص الكامل
احصل على النص الكامل

Seasonal Variations of Acoustic Properties in Ropme Sea Area حسب El Gindy, A. A. H. [احمد عبد الحميد الجندي]

"…Sound speed was similar in the upper 60 meters. From an acoustic point of view, the basin west of 56°E is considered as a shallow area while the Gulf of Oman is a deep area. …"
احصل على النص الكامل

Corporate governance and cost of debt financing: Empirical evidence from Canada حسب Ghouma, Hatem

احصل على النص الكامل
احصل على النص الكامل

A resource provisioning framework for bioinformatics applications in multi-cloud environments حسب Senturk, Izzet F.

احصل على النص الكامل
احصل على النص الكامل

Optimal Proactive Resource Allocation at the Extreme Edge حسب El Khatib, Rawan F.

"…Extensive simulation results show that OPRA outperforms a reactive baseline by yielding a 50% decrease in the subtask dropping rate and 97% decrease in the service capacity.…"
احصل على النص الكامل
احصل على النص الكامل

Hydrogen Production via Ethanol Decomposition over Bimetallic Catalyst حسب Ashok, Anchu

"…Once it reaches the ignition temperature, the combustion reaction started locally at one point and then spread inside the beaker. The resulted powder was grinded using a mortar and pestle to get a uniform powder to be used for catalytic investigations. …"
احصل على النص الكامل
احصل على النص الكامل