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1
Opportunities, challenges and trade-offs with decreasing avoidable food waste in the UK
منشور في 2021"…This study looks at the main stages of the food supply chain, and amasses the opportunities, challenges and trade-offs associated with surplus food redistribution to the UK economy. It highlights points in the food system where interventions can be made, to improve food’s circularity and sustainability potential. …"
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2
A new family of boost active neutral point clamped inverter topology with reduced switch count
منشور في 2021"…The neutral point is connected directly to the load terminals, which decreases the leakage current and makes it suitable for solar PV integration. …"
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3
Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar
منشور في 2023"…Conclusion The conclusion of the first omicron wave was a turning point in the severity of the pandemic. While vaccination and enhanced case management reduced severity gradually, the rapid accumulation of natural immunity during the first omicron wave appears to have played a critical role in driving this shift in severity.…"
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4
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5
Understanding the False Positive of Modified Martensitic Steels in Sweet & Sour Service Conditions Using a Point Defect Model Perspective
منشور في 2023"…These results indicate a critical point in temperature in the tests with only CO2, where resistance to pitting susceptibility is maximized due to a decrease in the cation vacancy diffusivity.…"
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6
Locations of Temporary Distribution Facilities for Emergency Response Planning
منشور في 2016"…We assume that the individual demands in close vicinity are grouped at so-called aggregated demand points (ADPs). The distribution process initiates from a central supply point (CSP) which is a collection point that continuously acquires the resources and prepares them for distribution. …"
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7
A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact
منشور في 2020"…This paper aims to develop a robust and practical photovoltaic (PV) Maximum Power Point (MPP) identification tool developed using reliable experimental data sets. …"
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8
Impact of magnetic dipole on a thermally stratified ferrofluid past a stretchable surface
منشور في 2019"…The analysis is disclosed by thermally stratified phenomenon and stagnation point. It is also noticed that the impact of magneto-thermomechanical coupling is inspected numerically via BVPh2 midpoint method. …"
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9
Effects of superelastic nano-NiTi additions on electroless Ni –P coating properties under bending
منشور في 2019"…Elastic modulus and bend strength decreased with the addition of superelastic NiTi.…"
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10
Generation, performance evaluation and control design of single-phase differential-mode buck-boost current-source inverters
منشور في 2016"…Since these inverters have continuous input currents, they are suitable for maximum power point tracking (MPPT) operation of photovoltaic systems. …"
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11
Optimization of performance and emission characteristics of CI engine fueled with Jatropha biodiesel produced using a heterogeneous catalyst (CaO)
منشور في 2020"…The optimum performance and emission characteristics (BP, BTHE, HC and NOx) are found to be 2.258 KW, 29.05%, 6.31 ppm, and 159.5 ppm respectively. The performance of B20 fueled engine was almost comparable to that of diesel fuel. …"
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12
The Separation of Emulsified Water/Oil Mixtures through Adsorption on Plasma-Treated Polyethylene Powder
منشور في 2021"…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
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13
The separation of emulsified water/oil mixtures through adsorption on plasma-treated polyethylene powder
منشور في 2021"…The efficiency of the plasma-treated LDPE powder in oil removal was found to be dependent on the initial oil concentration. It decreased from 96.7% to 79.5% as the initial oil concentration increased from 75 ppm to 200 ppm. …"
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14
Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs
منشور في 2016"…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.…"
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15
Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs
منشور في 2020"…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …"
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16
Flow and heat transfer analysis of Jeffery nano fluid impinging obliquely over a stretched plate
منشور في 2017"…This study investigates the problem of oblique stagnation point flow using Jeffery nanofluid as a rheological fluid model. …"
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17
Assessment of Dapagliflozin Effectiveness as Add-on Therapy for the Treatment of Type 2 Diabetes Mellitus in a Qatari Population
منشور في 2019"…Administration of dapagliflozin as an add-on therapy was found to decrease HbA1c significantly by 0.8 percentage point after 6 months (P = 0.006) and by 1.5 percentage point after 12 months (P = 0.062). …"
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18
Resistive room temperature LPG sensor based on a graphene/CdO nanocomposite
منشور في 2019"…The CdO/graphene composite was deposited as a film on interdigitated electrodes (IDEs) which then were used for chemiresistive sensing of liquid petroleum gas (LPG) by using a four probe technique. A Resistivity decreases significantly upon exposure to a LPG. The electrical resistance measurement at a constant bias voltage of 0.5 V. …"
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19
Numerical and experimental investigation on corrugation geometry for metallic tubes under lateral loading
منشور في 2018"…Our results showed that using vertical elliptical corrugation decrease the densification point. Moreover, there is a gradual enhancement of mean crushing load by moving from the horizontal elliptical corrugations to the vertical ones. …"
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20
Evaluation of the inhibition performance of piperazine-based polyurea towards mild steel corrosion: The role of keto-enol tautomerization
منشور في 2022"…The presence of PUCorr at 100 ppm decreases the corrosion current density from 30.3 to 3.05 μA/cm2 in 0.5 M NaCl at room temperature, exhibiting a remarkable inhibition efficiency of 94.5%. …"
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