يعرض 241 - 260 نتائج من 501 نتيجة بحث عن '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( a step decrease ) OR ( i wt decrease ))))*', وقت الاستعلام: 0.22s تنقيح النتائج
  1. 241

    Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae حسب Bounnit, Touria

    منشور في 2022
    "…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …"
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  2. 242

    Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites حسب Ahamad, N.

    منشور في 2020
    "…Scanning electron microscopy shows that Al matrix has uniform distribution of reinforcement particles, i.e. Al2O3 and carbon. Density decreases due to variation of reinforcement because ceramic reinforcement has low density. …"
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  3. 243
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  6. 246

    Arabic gum as green agent for ZnO nanoparticles synthesis: properties, mechanism and antibacterial activity حسب Ba-Abbad, Muneer M.

    منشور في 2017
    "…The size of the spherically shaped ZnO NPs decreased with an increase in the amount of Arabic gum, up to an optimal 1.50 wt%. …"
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  7. 247

    Improved flexible, controlled dielectric constant material from recycled LDPE polymer composites حسب Noorunnisa Khanam, P.

    منشور في 2016
    "…In this study, recycled low density polyethylene (RLDPE) is developed with the addition of aluminum oxide (Al2O3) to have new polymer composites. The following wt% were used of the filler (1, 4 and 6 wt%). Tensile properties, Hardness, scanning electron microscopy (SEM) thermo gravimetric analysis, differential scanning calorimetry and dielectric properties were studied for these composites. 4 wt% Al2O3/RLDPE composites showed the optimum values of 15.52, 180.8 and 59.72 MPa for the tensile strength, tensile modulus and hardness were reported. …"
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  8. 248
  9. 249

    Synthesizing New Anodes From Qatalum's 1st Cut Spl حسب Hani Holozadah, Abdullah

    منشور في 2014
    "…This might result in extending the life time of the carbon anodes and decrease the number of carbon dioxide kilograms that are released per a ton of produced Al metal. …"
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  10. 250

    Assessment of SnO2 nanoparticles' impact on local Pichoclorum atomus growth performance, cell morphology and metabolites content حسب Bounnit, Touria

    منشور في 2021
    "…The current study investigates the ecotoxicity of SnO2 nanoparticles on a local marine algae isolate. Five different concentrations (1, 5, 25, 50 and 100mg/L) were tested and the culture was followed for 72h. …"
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  11. 251
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  13. 253

    Molecular properties prediction, anticancer and anti-inflammatory activities of some pyrimido[1,2-b]pyridazin-2-one derivatives حسب Zeiz, Ali

    منشور في 2023
    "…Compound 1 also induced a statistically significant decrease in the gene expression of various cytokines and chemokines. …"
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  14. 254
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  16. 256

    Mixed Solid Municipal Waste-Based Biochar for Soil Fertility and Greenhouse Gas Mitigation حسب Bansode, Rishipal

    منشور في 2016
    "…Municipal solid waste management is one of the major challenges facing Qatar with more than 2.5 million tons of municipal solid waste each year, a very high waste generation rate in a country with small land mass. …"
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  17. 257
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  19. 259

    The impact of using produced water for plant irrigation and its effects on plants and soil characteristics حسب Atia, Fathy Atia Mohamed

    منشور في 2017
    "…The generated water was used after different dilution:0, 10, 20, 30, 40 and 50% for plant irrigation in greenhouse for Medicago sativa, Zea mays, Helianthus annus, Sorghum bicolor, Phramites australis and Salsola baryosma using a complete randomized design with three replications. …"
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  20. 260