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1
Light-controllable viscoelastic properties of a photolabile carboxybetaine ester-based polymer with mucus and cellulose sulfate
منشور في 2018"…Rheological synergism with the polycationic carboxybetaine ester sample reached nearly 4 and 3.8, while it decreased with the charge-balanced zwitterionic sample to 0.3 and 0.7 after irradiation of the mucus-based and cellulose sulfate-based systems, respectively. …"
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2
Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits
منشور في 2021"…The removal percentage was increased from 90 to 99% by increasing the temperature from 30 to 50��C and then decreased to 92.3% at 60��C. Conclusion: RODP was successfully used as an effective adsorbent for phthalate esters removal from drinking water. …"
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3
Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds
منشور في 2016"…The use of biodiesel will decrease the emission of harmful gases, which can help in reducing the greenhouse effects and global warming. …"
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4
Measurements of laminar flame speeds of alternative gaseous fuel mixtures
منشور في 2015"…In the present work, laminar flame speeds (SL) of alternative fuel mixtures, mainly LPG (60% butane, 20% isobutane, and 20% propane) and methane have been studies using the tube method at ambient conditions. …"
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5
Assessment of Urban Heat Islands Based on the Relationship Between Land Surface Temperature and Land Use/Land Cover in Greater Doha
منشور في 2020"…Overall there was an increase in built-up and vegetation, decrease in water and barren areas and complete loss of marsh land. …"
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6
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7
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...
منشور في 2016"…Blood glucose, insulin level and the homeostasis model assessment index for insulin decreased (p < 0.05) in both training groups. Significant decreases occurred in blood leptin (p = 0.021, ES = 0.67 and p = 0.011, ES = 0.73) and in RPE (p = 0.001, ES = 0.76 and p = 0.017, ES = 0.57) in HIIT and MIIT, respectively. …"
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8
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9
Investigation of the temperature-relatedwear performance of hard nanostructured coatings deposited on a s600 high speed steel
منشور في 2019"…When it comes to machining and cutting tools, thin hard coatings are crucial for decreasing the coefficient of friction (COF) and for protecting tools against oxidation. …"
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10
A model for capacitated green vehicle routing problem with the time-varying vehicle speed and soft time windows
منشور في 2019"…The proposed model considers the vehicle load and capacity as well as time-varying speed in order to account for traffic congestion. …"
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11
Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds
منشور في 2022"…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …"
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12
Evacuation under flooded conditions: Experimental investigation of the influence of water depth on walking behaviors
منشور في 2021"…Results explained that the walking speeds monotonically decrease with increasing water depths. …"
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13
Driving simulation sickness and the sense of presence: Correlation and contributing factors
منشور في 2021"…Importantly, designing buildings that replicate a real-world environment could increase SP and decrease SS. Moreover, designing high quality and resolution scenarios could also increase SP, thus decreasing the severity of SS symptoms. …"
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14
The maxima in northerly wind speeds and wave heights over the Arabian Sea, the Arabian/Persian Gulf and the Red Sea derived from 40 years of ERA5 data
منشور في 2020"…The northern Arabian Sea including the Sea of Oman exhibits significant decreasing trend in northerly maximum wind speed (− 1.4 cm/s/year) and Hs (− 0.67 cm/year), while the Gulf and the Red Sea exhibit sectorial contrasting trend, indicating the dominance of localized effects in modifying the regional climate. …"
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15
A control algorithm to increase the efficient operation of wind energy conversion systems under extreme wind conditions
منشور في 2022"…This paper aims to increase the power production of gearless permanent magnet synchronous generator (PMSG) based wind energy conversion systems (WECS) in strong (greater than 25 m/s) wind speed regions. In general, most wind turbines cut off when wind speed is over the cut-out rate; as a result, the power generation of the wind farm decreases. …"
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16
Climate, trends and variability of extreme winds along the southwest coast of India
منشور في 2023"…A significant decreasing trend is observed in the 99th percentile wind speeds during 1979–2021, ranging from 3 to 6 cm·s−1·year−1 off Kerala coast. …"
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17
Transverse vibration and stability of a functionally graded rotating annular disk with a circumferential crack
منشور في 2016"…It is found that irrespective of the distribution of the modulus of elasticity in the FG disk, increasing the crack depth or decreasing the crack radial distance from the disk center decreases the critical speed. …"
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18
A CFD- RSM study of cuttings transport in non-Newtonian drilling fluids: Impact of operational parameters
منشور في 2022"…As the drill pipe rotational speed increased, the pressure drop decreased slightly until a critical rotatory speed was reached, thereafter, the pressure drop increased markedly. …"
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19
A reliable and cost-effective planning framework of rural area hybrid system considering intelligent weather forecasting
منشور في 2021"…Moreover, the growth of fuel cost causes an increase in the production of renewable energy resources (RESs) and a decrease in the usage of diesel engine generators. …"
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20
Do labor remittance outflows retard economic growth in Qatar? Evidence from nonlinear cointegration
منشور في 2022"…The empirical findings reveal that remittances outflows have negative and significant impact on real GDP per capita in Qatar economy. In particular, positive changes of remittance outflows exert a greater impact on non-oil real GDP per capita than negative changes. …"
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