يعرض 161 - 180 نتائج من 713 نتيجة بحث عن '(( 2 c decrease ) OR ( 50 ((((steel decrease) OR (a decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.19s تنقيح النتائج
  1. 161
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  3. 163

    Preparation and characterization of chemically synthesized polyaniline–polystyrene blends as a carbon dioxide gas sensor حسب J., Bhadra

    منشور في 2013
    "…The SEM results of the above polymerized blends reflect the formation of spherical nanoparticles with diameter ranging from 50nm to 90nm with a decrease in PS concentration that facilitates the formation of clusters. …"
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  4. 164
  5. 165

    Impact of the COVID-19 pandemic on sexually transmitted infection testing and diagnosis in Lebanon: A retrospective chart review حسب Sunji, Nadine

    منشور في 2024
    "…Post-COVID-19 onset, a total of 1350 VCT services and 406 medical consultations were provided, an overall 45 % decrease compared with pre-COVID-19 onset. The prevalence pre-COVID-19 onset of HIV, syphilis, HBV, and HCV was 0.8 %, 0.3 %, 0.2 %, and 0.1 %, respectively, and post-COVID-19 onset 1.2 %, 0.7 %, 0.3 %, and 0.3 %, respectively. …"
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    article
  6. 166

    Investigating the blood-host plasticity and dispersal of Anopheles coluzzii using a novel field-based methodology حسب Orsborne J.

    منشور في 2019
    "…Results: A collection strategy utilising a transect of mosquito traps placed at 50 m intervals allowed the collection of blood-fed Anopheles coluzzii from a malaria-endemic village of southern Ghana where human host availability ranged from zero (a cattle pen), increasing until humans were the dominant host choice (the middle of the village). …"
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  7. 167

    Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris حسب Alketife, Ahmed M.

    منشور في 2017
    "…1 and the maximum biomass produced was decreased more than three-fold to 0.5 g/L. The Box Behnken experimental design and response surface method were used to study the effects of the initial concentrations (P, N and C) on P and N removal efficiencies. …"
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  8. 168
  9. 169

    Investigating the effect of the air inlet temperature on the combustion characteristics of a spark ignition engine fueled by biogas حسب Ebrahemi, Abdullah Ebrahem

    منشور في 2020
    "…The effect of varying the air manifold temperature from 25 to 50°C on the combustion characteristics as well as engine performance under full load condition in a SI engine fueled by gasoline and biogas mixtures has been investigated. …"
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  10. 170
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  12. 172

    Dynamics of Neisseria gonorrhoeae transmission among female sex workers and clients: A mathematical modeling study حسب Houssein H., Ayoub

    منشور في 2024
    "…Increasing asymptomatic treatment coverage among FSWs from 0 % to 50 % decreases prevalence from 8.2 % to 0.4 %, 0.6 % to 0.1 %, and 0.2 % to 0.0 %, respectively, with very low prevalence when coverage exceeds 50 %. …"
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    article
  13. 173

    Dairy Wastage Footprint Analysis: A Farm-to-Fork Life Cycle Approach Across Dairy Supply Chain. حسب Al-Obadi, Muna

    منشور في 2021
    "…Although the dairy sector is a primary source of milk, cheese, yogurt, and cream, livestock's supply chain, including their wastes, releases a considerable greenhouse gas such as methane, nitrous oxide, and carbon dioxide. …"
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  14. 174
  15. 175

    Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model حسب Charfeddine, Lanouar

    منشور في 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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  16. 176
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  18. 178

    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar حسب Chemaitelly, Hiam

    منشور في 2023
    "…In the post-first omicron phase, incidence rate of fatal COVID-19 decreased by 90.0% compared with earlier stages. Both severity and fatality exhibited an exponential increase with age and a linear increase with the number of coexisting conditions. …"
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  19. 179

    Synthesis and characterisation of Co2+-incorporated ZnO nanoparticles prepared through a sol-gel method حسب Ba-Abbad, Muneer M.

    منشور في 2016
    "…A hexagonal wurtzite-phase structure of Co2+-doped ZnO was observed, with a slight decrease in particle size as the Co2+ doping concentration increased. …"
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  20. 180

    Box-Behnken approach for optimization of Cr(III) removal from a real tanning effluent using powdered marble حسب Boujelben, R.

    منشور في 2022
    "…The results showed that the maximum uptake (> 99%) was obtained at a chromium initial concentration of 0.758�g/L, pH = 5.0 and using 6% (w:v) of powdered marble. …"
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