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Corrosion Evaluation of 316L Stainless Steel Exposed to CNT-Water Nanofluid
منشور في 2019"…Three consequent corrosion tests were conducted on 316L stainless steel (SS) exposed to carbon nanotubes (CNTs) water-based nanofluids: open circuit test, polarization resistance test, and potentiodynamic scans. …"
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A slow but steady nanoLuc: R162A mutation results in a decreased, but stable, nanoLuc activity
منشور في 2024"…Here, we combined molecular dynamics (MD) simulation and mutational analysis to show that the R162A mutation results in a decreased but stable <u>bioluminescence </u>activity of NLuc in living cells and in vitro. …"
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Evaluation of the cementite morphology influence on the hydrogen induced crack nucleation and propagation path in carbon steels
منشور في 2022"…<p>The effect of cementite morphology on the crack initiation and growth path was studied using in situ electrochem-ical micro-cantilever bending (ECCB) technique under hydrogen (H) charging. Two carbon steels with lamellar cementite morphology (pearlitic microstructure) and spherical or broken lamellas cementite morphology (spheroidite microstructure), both with approximately the same carbon equivalent, were used in this study. …"
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Deep learning-based modeling of land use/land cover changes impact on land surface temperature in Greater Amman Municipality, Jordan (1980–2030)
منشور في 2024"…This study aimed to model past, present, and future LULCC on Land Surface Temperatures in the Greater Amman Municipality (GAM) in Jordan between 1980 and 2030. …"
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Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride
منشور في 2019"…In conclusion, this new inhibitor shows high corrosion inhibition efficiencies under different aggressive conditions and can be used in concrete to reduce the corrosion rate of reinforcing steel without decreasing the mechanical properties of the concrete.…"
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Cost-benefit analysis of antimicrobial stewardship program in a cancer setting in Qatar
منشور في 2024"…Cost avoidance was the expenses saved due to decreased hospital stays and fewer adverse drug events (ADEs). …"
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Electrochemical and thermodynamic study on the corrosion performance of API X120 steel in 3.5% NaCl solution
منشور في 2020"…The overall results revealed that PEI significantly decreases the corrosion rate of API X120 steel with inhibition efficiency of 94% at a concentration of 100 μmol L<sup>−1</sup>. …"
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Assessment of tropospheric NO<sub>2</sub> concentrations over greater Doha using Sentinel-5 TROPOspheric monitoring instrument (TROPOMI) satellite data: Temporal analysis, 2018–202...
منشور في 2024"…<p dir="ltr">This study presents a temporal evaluation of the tropospheric NO<sub>2</sub> column densities over Greater Doha using TROPOMI satellite data from May 2018 to December 2023, and an assessment of the impact of the preparations and hosting of the FIFA Football World Cup Qatar 2022, on NO<sub>2</sub> levels before, during and after the tournament over Greater Doha. …"
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Cost-Benefit Analysis of Antimicrobial Stewardship Program in the Adult General Medicine Setting in Qatar
منشور في 2024"…</p><h3> Results</h3><p dir="ltr">The operational costs of the program decreased with maturity by cost savings of QAR125 per 100-patient beds per year. …"
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The cost associated with the development of the antimicrobial stewardship program in the adult general medicine setting in Qatar
منشور في 2024"…</p><h3>Results</h3><p dir="ltr">A total of 500 patients were included in the study. The operational costs decreased with the developed ASP. Whereas antimicrobial consumption and resource utilisation, and their associated costs, appear to have declined with the developed ASP, with a cost saving of QAR458 (US$125) per 100-patient beds, the avoided cost was negative, by QAR4,807 (US$1,317) per 100-patient beds, adding to a total QAR4,224 (US$1,160) increase in the 100-patient beds cost after ASP development.…"
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Part II.: Dissimilar friction stir welding of nickel titanium shape memory alloy to stainless steel – microstructure, mechanical and corrosion behavior
منشور في 2021"…<p dir="ltr">In the present work, nickel-titanium (NiTi) shape memory alloys (SMAs) is joined to 304 stainless steel (SS) using friction stir welding (FSW) using process parameters of 400 rpm and a constant tool translation speed of 75 mm/min. …"
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Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO<sub>2</sub>- saturated saline solution
منشور في 2023"…Implementing AGGPAM coating reduced the steel corrosion rate to 9.6 mils per year, achieving 71% efficiency. …"
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The cost-benefit associated with the maturity of the Antimicrobial Stewardship Program versus prematurity in Heart Hospital of Hamad Medical Corporation in Qatar
منشور في 2023"…</p><h3>Results</h3><p dir="ltr">A total of 668 patients were included in the study (255 in P-ASP versus 413 in M-ASP). With M-ASP, cost of hospital tests use ‘decreased’ by QAR 1,149 per 100-patient beds per year, cost of ASP personnel ‘decreased’ by QAR 125 per 100-patient beds with the M-ASP, cost of drug use ‘increased’ by QAR 176,848 per 100-patient beds, cost of resistance and hospitalization ‘increased’ by QAR 216,279 per 100-patient beds per year. …"
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Towards Industry 4.0 and Sustainable Manufacturing Applying Environmentally Friendly Machining of a Precipitation Hardened Stainless Steel Using Hot Turning Process
منشور في 2023"…In this research, the conventional and hot turning of AISI630 hardened stainless steel have been investigated using PVD-(Ti,Al)N/(Al,Cr)<sub>2</sub>O<sub>3</sub> coated carbide cutting tools at various feed rates and cutting speeds. …"
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Theoretical and experimental insights into the C-steel aqueous corrosion inhibition at elevated temperatures in 1.0 M HCl via multi-carbonyl Gemini cationic surfactants
منشور في 2023"…We aimed to evaluate these surfactants as potential corrosion inhibitors for carbon steel (CS) in 1 M HCl at temperatures of 25–55 ± 0.1 °C. …"
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The investigation of treatment design parameters on carbon integration networks
منشور في 2023"…As a result, this paper focuses on reassessing the performance of carbon integration networks using a more rigorous cost model for the treatment design stage. The effect of utilizing different treatment operating conditions on the overall cost of the treatment stage of CO<sub>2 </sub>(before allocation) is first captured using a detailed cost model. …"
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Infliximab versus ciclosporin in steroid resistant acute severe ulcerative colitis: a model-based cost-utility analysis of data from CONSTRUCT pragmatic trial
منشور في 2023"…<h3>Background</h3><p dir="ltr">There is limited evidence in the literature on the long-term effectiveness and cost-effectiveness of treatments for Acute Severe Ulcerative Colitis (ASUC). …"
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An efficient claim management assurance system using EPC contract based on improved monarch butterfly optimization models
منشور في 2024"…Conventional construction models typically optimize only a single objective, such as time, cost, or delay, which may not effectively enhance overall performance. …"