يعرض 161 - 180 نتائج من 788 نتيجة بحث عن '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( a systematic decrease ) OR ( 19 a decrease ))))*', وقت الاستعلام: 0.24s تنقيح النتائج
  1. 161

    Effects of SARS-CoV-2 Alpha, Beta, and Delta variants, age, vaccination, and prior infection on infectiousness of SARS-CoV-2 infections حسب Qassim, Suelen H.

    منشور في 2022
    "…Children <10 years of age had 2.18 higher Ct cycles (95% CI: 1.88-2.48) than those 10-19 years of age. Compared to unvaccinated individuals, the Ct value was higher among individuals who had received one or two vaccine doses, but the Ct value decreased gradually with time since the second-dose vaccination. …"
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  2. 162

    Effects of rutile-TiO2 nanoparticles on accelerated weathering degradation of poly(Lactic Acid) حسب Antunes, A.

    منشور في 2020
    "…Thermal stability decreased in the presence of TiO2 and a double melting peak was observed for the PLA/TiO2 nanocomposite. …"
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  3. 163
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    Pulpal blood flow changes and pain scores related to using superelastic 0.018-inch nickel titanium as the first orthodontic alignment archwire: A prospective clinical trial حسب Alhaija, Elham S.Abu

    منشور في 2021
    "…Pain scores were recorded using a visual analogue scale (VAS). A repeated measures ANOVA and a post-hoc Bonferroni comparison tests were conducted to examine differences at the different time points before and during orthodontic alignment. …"
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  5. 165
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  8. 168

    Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits حسب Alhaddad F.A.

    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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  9. 169
  10. 170

    Enhancing the electrocoagulation process for harvesting marine microalgae (Tetraselmis sp.) using interdigitated electrodes حسب A. Khatib, Wardan

    منشور في 2021
    "…In this study, 10 min electrolysis time was found to be sufficient to harvest 82.4% microalgae with 1 cm electrode distance and 50 mA/cm2 current density. Furthermore, decreasing the electrode distance to 0.5 cm increased the algal harvesting efficiency to 96.18%. …"
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  11. 171

    Morphology Control of TiO Nanorods Using KBr Salt for Enhancing the Photocatalytic Activity of TiO and MoS/TiO Heterostructures. حسب Thiehmed, Zeineb A

    منشور في 2022
    "…In this study, the effect of KBr salt on the growth of TiO nanorods (NRs) was systematically studied. The addition of KBr with different concentrations provides a controllable growth of TiO NRs using hydrothermal method. …"
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  12. 172
  13. 173

    Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal... حسب Haidong, Wang

    منشور في 2020
    "…Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. …"
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  14. 174

    Global age-sex-specific fertility, mortality, healthy life expectancy (HALE), and population estimates in 204 countries and territories, 1950–2019: a comprehensive demographic anal... حسب Haidong, Wang

    منشور في 2020
    "…Background Accurate and up-to-date assessment of demographic metrics is crucial for understanding a wide range of social, economic, and public health issues that affect populations worldwide. …"
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    article
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  20. 180

    A Tailored, Bundle Care Intervention Strategy to Reduce Cardiac Mortality During the Hajj: A Population-Based, Before and After Study. حسب Al Faraidy, Khalid A

    منشور في 2019
    "…Cardiac mortality accounted for about 52% of all in-hospital deaths before intervention in 2009. This decreased significantly to 43.3%, 32.5%, and 19.7% in 2009, 2010, and 2011, respectively. …"
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