يعرض 121 - 140 نتائج من 674 نتيجة بحث عن '(( 2 n decrease ) OR ( 50 (((((peter OR per) decrease) OR (a decrease))) OR (mean decrease)) ))', وقت الاستعلام: 0.20s تنقيح النتائج
  1. 121

    A dynamic MOPSO algorithm for multiobjective optimal design of hybrid renewable energy systems حسب Sharafi, Masoud

    منشور في 2014
    "…Additionally, the set coverage metric value shows that at least 67% of Pareto solutions obtained by DMOPSO dominate the solutions resulted by other reported algorithms. By using a sensitivity analysis for the case study, it is found that if the PV panel and wind turbine capital cost are decreased by 50%, the total NPC of the system would be decreased by 18.8 and 3.7%, respectively.…"
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  2. 122
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    Experimental study of exhaust emissions and performance of a dual fuel IDI diesel engine حسب Badr, O.

    منشور في 1999
    "…Dual fuel engines of the compression ignition type provide an alternative approach for I.C. engines to improve economy, reduce exhaust emissions and achieve a greater power. The present contribution is an experimental investigation to evaluate such a statement using a modified Ricardo E6 indirect injection diesel engine. …"
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  6. 126
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    Turning point in COVID-19 severity and fatality during the pandemic: a national cohort study in Qatar حسب Chemaitelly, Hiam

    منشور في 2023
    "…The post-first omicron phase saw a drastic drop to 0.10 (95% CI 0.08 to 0.14) per 1000 person years, a 95.4% reduction. …"
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  9. 129

    Qatar Culture Collection of Microalgae: A Sustainable Source for Biodiesel Production and Omega Fatty Acid Compounds حسب Bounnit, Touria

    منشور في 2016
    "…In addition, we observed the presence of the omega-3 and 9 long-chain polyunsaturated fatty acids (LC-PUFAs), such as eicosapentaenoic (EPA, 20:5 n-3), docosahexaenoic (DHA, 22:6 n-3) and Nervonic Acid (C24:1 n-9) acids, which have a high commercial value and are known for their beneficial effects on human health…"
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  10. 130

    Control of the Speed of a Light-Induced Spin Transition through Mesoscale Core-Shell Architecture حسب Slimani, Ahmed

    منشور في 2018
    "…A series of photomagnetic coordination polymer core-shell heterostructures, based on the light-switchable RbaCob[Fe(CN)6]c·mH2O (RbCoFe-PBA) as core with the isostructural KjNik[Cr(CN)6]l·nH2O (KNiCr-PBA) as shell, are studied using temperature-dependent powder X-ray diffraction and SQUID magnetometry. …"
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  11. 131
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    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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  13. 133
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    A reliable and cost-effective planning framework of rural area hybrid system considering intelligent weather forecasting حسب Abazari, A.

    منشور في 2021
    "…Moreover, the growth of fuel cost causes an increase in the production of renewable energy resources (RESs) and a decrease in the usage of diesel engine generators. …"
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  15. 135
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    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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