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steer » steel (Expand Search)
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1401
Trends of use of SGLT2 inhibitors in Qatar
Published 2021“…Background: Type 2 diabetes mellitus (T2DM) represents a growing health challenge in Qatar and worldwide. …”
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1402
Effect of reinforcement concentration on the properties of hot extruded Al-Al2O3 composites synthesized through microwave sintering process
Published 2017“…Results showed that, as the content of hard ceramic particles increases, it improves overall mechanical properties including microhardness, 0.2% yield strength, ultimate compression/tensile strength, and Young's modulus while the ductility and co-efficient of thermal expansion decreases. XRD patterns and SEM/EDS mapping images show a uniform distribution of Al2O3 particles in the Al matrix. …”
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1403
Event-triggered based consensus of autonomous underactuated surface vessels
Published 2017“…Unactuated and actuated states of considered vehicles are strongly coupled, hence a state transformation is utilized to represent the vehicle model in a cascade nonlinear system format, and consequently switching controllers are designed to make the vehicles to reach a consensus. …”
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1404
The Influence of Loneliness and Living Alone on the Quality of Life of the Elderly: Evidence from Europe
Published 2023“…This research indicates a positive correlation between living alone and loneliness, with a greater effect on males, and identifies loneliness as an independent factor decreasing QoL. …”
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1405
Nutritional quality and health risk of pepper fruit as affected by magnesium fertilization.
Published 2020“…As a result, Mg fertilization decreased the comprehensive nutrition level of pepper by 16.6%. …”
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1406
Prevalence and Phylogenetic Analysis of Parvovirus (B19V) among Blood Donors with Different Nationalities Residing in Qatar
Published 2021“…Human parvovirus (B19V) is the causative agent of erythema infectiosum in children and is linked to a wide range of clinical manifestations. Studies related to B19V prevalence in the Middle East and North Africa (MENA) region and other parts of Asia are very scarce. …”
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1407
Iron Sulfide Scale Inhibition in Carbonate Reservoirs
Published 2022“…A scale inhibitor solution is introduced into a formation by applying a squeeze treatment. …”
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1408
Dynamic Salmonella Enteritidis biofilms development under different flow conditions and their removal using nanoencapsulated thymol
Published 2022“…ML nanocapsules decreased significantly bacterial counts during the first 0.5 h, while LBL nanocapsules eliminated the remaining bacterial cells and ensured a protection from bacterial contamination for up to 5 h by releasing THY in a sustained manner over time due to the thicker shell wall structure.…”
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1409
Effect of surfactants on the convective heat transfer and pressure drop characteristics of ZnO/DIW nanofluids: An experimental study
Published 2023“…Convective heat transfer (HTC) and flow characteristics (pressure drop (ΔP) and friction factor (f)) of aqueous ZnO NFs' within a circular mini tube (Di = 1.0 mm, L = 330 mm) were analyzed. …”
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1410
An enhanced performance IPT based battery charger for electric vehicles application
Published 2014“…IPT system has proved its capability to be a safe, convenient, and efficient electric vehicle battery charger through its features, such as operating in a harsh environment, high efficiency at reasonable power levels, and decreasing equipment maintenance through operating without any mechanical contacts. …”
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1411
Changes in Dietary Habits and Eating Behaviors during COVID-19 Induced Confinement
Published 2020“…Among these changes, increased (p<0.05) prevalence of fruit and vegetable, immune boosters, water, and hot beverage consumption as well as decreased (p<0.05) eating in restaurants and fatty food consumption, suggesting a positive change. …”
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1412
Microbiota-derived acetate activates intestinal innate immunity via the Tip60 histone acetyltransferase complex
Published 2021“…Reduced expression of the histone acetyltransferase Tip60 decreased IMD signaling and blocked rescue by dietary acetate and other sources of intracellular acetyl-CoA. …”
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1413
Effect of blade tip geometry on centrifugal compressor performance and stability
Published 2016“…The reliability operation for small fuel cells and hybrid fuel cell with gas turbine requires centrifugal compressor surge prevention. This study concerns a high speed centrifugal compressor stage with different blade tip geometries. …”
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1414
Mechanical characteristics of ultra-high performance steel FRC made with recycled concrete aggregates
Published 2023“…However, the flowability was decreased by 12% to 15% with steel fibers. The results also revealed that at a steel fiber volume fraction of 0%, RCA had little influence on the compressive strength, while they noticeably influenced the flexural tensile strength. …”
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1415
Experimental investigations on spray flames and emissions analysis of diesel and diesel/biodiesel blends for combustion in oxy-fuel burner
Published 2019“…Present research work shows the emissions and flame analysis of oxy-fuel combustion of diesel and diesel/biodiesel blends in the experimental test burner manufactured in Mechanical power engineering laboratory at Tanta University, Egypt. Diesel and a mixture of diesel and biodiesel (B0, B10, B20, B30, and B40) used as a fuel with the effect of pure air and oxy-combustion. …”
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1416
Smart City and Preservation of Identity in Doha
Published 2021“…The theory of smart cities provides the administrative power of a country with a well-established, sustainable, and smart development. …”
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1417
Frugal innovation for sustainable rural development
Published 2023“…We developed a classification that identifies the increasing positive and decreasing negative parameters of SDGs to assess the extent to which frugal enterprises contribute to specific SDGs. …”
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1418
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1419
Estimating the age-dependent changes in carbon stocks of Scots pine (Pinus sylvestris L.) stands in Turkey
Published 2016“…Although Scots pine (Pinus sylvestris L.) is a main species in Turkey, studies on such changes are still lacking. • Aims We aimed to estimate the changes in carbon stocks, with stand age, of Scots pine stands in Turkey using field work data and a forest carbon model (FBDC model). • Methods Biomass and dead organic matter carbon stocks were investigated to adjust the forest carbon model and to verify the model estimates. …”
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1420
Modal analysis of spur gears for varied teeth root cracks characteristics: finite element analysis (FEA) simulations
Published 2022“…This causes progressive damage to gear teeth which causes teeth failure, and hence, a damaged gear. This work shows a numerical framework to identify and quantify cracks' existence at the teeth root of spur gears. …”
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