Showing 281 - 300 results of 803 for search '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( 6 10 decrease ) OR ( a step decrease ))))*', query time: 0.26s Refine Results
  1. 281

    Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar by Khaled, Salma M.

    Published 2022
    “…Results The two-week prevalence of depressive symptoms (≥10 on the PHQ-9) was 6.6% in 2017 and 6.5% in 2020/2021 (p = 0.986). …”
    Get full text
    Get full text
  2. 282
  3. 283
  4. 284

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

    Published 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. …”
    Get full text
    Get full text
    Get full text
  5. 285
  6. 286
  7. 287
  8. 288
  9. 289
  10. 290

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

    Published 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. …”
    Get full text
    Get full text
  11. 291
  12. 292
  13. 293

    Curcumin a Colorimetric and Fluorimetric Cyanide Probe in Aqueous System and Living Cells by Hijji, Yousef

    Published 2019
    “…The lower limit of detection was determined to be 2.3 × 106 M. The fluorescence emission of curcumin at 520 nm was quenched upon the addition of cyanide, while other anions tested caused no change. …”
    Get full text
    Get full text
  14. 294
  15. 295
  16. 296
  17. 297
  18. 298
  19. 299
  20. 300

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

    Published 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. …”
    Get full text