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Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser
Published 1995“…A monotonic decrease in the sheet rcsostance with increasing energy density for all values of E > 10 J/cm2. …”
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Production of phycocyanin by Leptolyngbya sp. in desert environments
Published 2020“…The optimum biomass productivity was found at a light intensity of 300 μmol·m−2·s−1, with higher light intensities causing a decrease of 15%. …”
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Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
Published 2016“…Biochars produced from mixed materials pyrolyzed at 500–750°C for 4–6 hours of pyrolysis time and used 2% application rate are best for amendment of normal soil while soft and mixed materials pyrolyzed at 300–500°C for 4 hours and used at 0.5–1% application rates as most suitable for the amendment of sabkha soil. …”
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Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
Published 2021“…The samples were synthesized with different concentrations of hydrous ruthenium chloride of 2 wt%, 5 wt%, and 10 wt%, and then annealed at a temperature of 300 �C for 4 h to form the ruthenium oxide nanoparticles. …”
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27
Prospects of Biocrude Production Potential from Local Diatom
Published 2020“…Hydrothermal liquefaction was conducted at temperatures ranging from (300, 325, 350, 375, and 400 °C) at 30-minute reaction holding time, maximum biocrude yield of 57.26% was obtained at 375 °C. …”
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28
Removal of toxic pollutants from produced water by phytoremediation: Applications and mechanistic study
Published 2019“…The concentration of the total dissolved solids (TDS), chloride, sodium, boron ions and sodium adsorption ratio were 300 g/L, 122 g/L, 61 g/L, 0.038 g/L and 139.9 meq/L, respectively. …”
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Removal of toxic pollutants from produced water by phytoremediation: Applications and mechanistic study
Published 2019“…The concentration of the total dissolved solids (TDS), chloride, sodium, boron ions and sodium adsorption ratio were 300 g/L, 122 g/L, 61 g/L, 0.038 g/L and 139.9 meq/L, respectively. …”
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Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends
Published 2021“…To enhance engine performance, n-pentane was used in different extents of 5, 10, and 15 ml per liter as an enhancer additive. …”
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The effect of density in larval rearing of the pullet carpet shell Venerupis corrugata (Gmelin, 1791) in a recirculating aquaculture system
Published 2014“…The larval growth was not affected by the initial density until 40 larvae per mL, however, 200 larvae per mL decreased the larval growth in length nearly 54 μm. …”
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Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model
Published 2016“…From the economic perspective, this means that initially economic growth increases environment degradation and then declines it after a threshold point of income per capita. …”
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Tribo-Mechanical, Biocompatibility, and Corrosion Properties Investigation of Zirconium and SST 304 by Application of Hydroxyapatite/Reduced Graphene Oxide/Palladium-Platinium Nano...
Published 2020“…In addition, the HA/rGO/Pd-coated SST 304 and the HA/rGO/Pt-coated zirconium substrates were annealed at different temperatures (200, 300, 400, and 600 oC) to investigate their corrosion and wear behaviors. …”
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Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds
Published 2016“…Culture was done in liquid F/2 medium at 300 C for a period of 15 days, after which algae were harvested for the determination of total lipids. …”
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Epidemiology of herpes simplex virus type 2 in Europe: systematic review, meta-analyses, and meta-regressions
Published 2023“…HSV-2 detection in genital herpes cases was 1.21-fold (95% CI: 1.10–1.32) higher in men compared to women and decreased by 1% per calendar year. …”
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