بدائل البحث:
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
300 c » 200 c (توسيع البحث), 300 k (توسيع البحث)
nn decrease » _ decrease (توسيع البحث)
c decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
a decrease » _ decrease (توسيع البحث), _ decreased (توسيع البحث), _ decreases (توسيع البحث)
300 c » 200 c (توسيع البحث), 300 k (توسيع البحث)
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621
Fabrication and characterization of flexible ruthenium oxide-loaded polyaniline/poly(vinyl alcohol) nanofibers
منشور في 2020"…Hydrous ruthenium chloride was used as a precursor at different concentrations, and the samples were annealed at 200°C. The morphology of the nanofibers was investigated by scanning electron microscopy. …"
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622
Production of phycocyanin by Leptolyngbya sp. in desert environments
منشور في 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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623
Analysis of dopant diffusion in molten germanium induced by pulsed nd : yag laser
منشور في 1995"…A monotonic decrease in the sheet rcsostance with increasing energy density for all values of E > 10 J/cm2. …"
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624
Production and investigation of flexible nanofibers of sPEEK/PVP loaded with RuO2 nanoparticles
منشور في 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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625
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626
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627
Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security
منشور في 2018"…Several strategies were developed to modulate and improve algae metabolites production to meet the requirements for biodiesel production. Most previous research evidenced that the increase of the lipid content is accompanied by a decrease of the biomass production, which increases the cost of the downstream processing. …"
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628
Economic-environmental analysis of combined heat and power-based reconfigurable microgrid integrated with multiple energy storage and demand response program
منشور في 2021"…The use of waste heat in combined heat and power (CHP)-based MG is more efficient to meet local load and decrease the emission pollution. …"
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629
Investigating the effect of polymer-modified graphene oxide coating on RO membrane fouling
منشور في 2022"…The membrane surface characterization showed a decrease in membrane surface roughness from 74.7 nm to 69.0 nm and an increase in membrane hydrophilicity as the contact angle decreased from 41.7 ± 4.50 to 22.0 ± 1.10. …"
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630
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631
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632
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633
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634
Prospects of Biocrude Production Potential from Local Diatom
منشور في 2020"…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …"
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635
Pd nanocrystals encapsulated in MOF-derived Ni/N-doped hollow carbon nanosheets for efficient thermal CO oxidation: unveiling the effect of porosity
منشور في 2023"…The obtained Pd/Ni-MOF-HNC possesses hollow carbon sheets with a great surface area (153.05 m2 g−1), pore volume (0.12 cm3 g−1), rich Pd/Ni-Nx active sites, Ni-metal defects, rich N-content (7.53 at%), mixed Pd/Ni-oxide phases, and uniformly distributed ultra-small Pd nanocrystals (7.03 ± 1.10 nm); meanwhile, Pd/Ni-MOF-NC formed without etching had no porosity and less Ni-metal defects. …"
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636
Association Between Sleep Duration, Food Consumption Patterns and Obesity Among Adolescents in Qatar
منشور في 2020"…Multiple regression analysis revealed that as the WC and BMI increased, consumption of healthy eating pattern decreased by 25% and 10 % respectively (p<0.001) Conclusion: Lack of sufficient sleep and decreased consumption of healthy foods have an association with increased risk of being obese among adolescents…"
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637
Tribo-Mechanical, Biocompatibility, and Corrosion Properties Investigation of Zirconium and SST 304 by Application of Hydroxyapatite/Reduced Graphene Oxide/Palladium-Platinium Nano...
منشور في 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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638
Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar
منشور في 2016"…Four feedstocks [paper, landscape waste, wood, and a mixture of all three) were pelletized, dried, and used as precursors for the production of biochars following a 4 × 3 × 3 factor factorial design consisting of the type of precursor (four different municipal solid organic precursors), pyrolysis temperatures (300, 500, and 750°C) and residence time (2, 4, and 6 hours). …"
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639
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640
Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material
منشور في 2022"…The compacted pellets were sintered in a microwave at 250 °C and 300 °C. Thermogravimetric analysis (TGA), and differential scanning calorimeter (DSC) analysis were performed to study the thermal stability, and nanoindentation, compression test, and microhardness tests were done for mechanical stability. …"
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