Showing 121 - 140 results of 673 for search '(( 2 n decrease ) OR ( 50 ((((peter decrease) OR (a decrease))) OR (mean decrease)) ))', query time: 0.26s Refine Results
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    Experimental study of exhaust emissions and performance of a dual fuel IDI diesel engine by Badr, O.

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

    Published 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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  8. 128

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

    Published 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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    A reliable and cost-effective planning framework of rural area hybrid system considering intelligent weather forecasting by Abazari, A.

    Published 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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  12. 132

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

    Published 2017
    “…It was also observed that when the N content <2.5 mg/L, the SGR significantly reduced from 1.04 to 0.23 d?…”
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  13. 133

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

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

    Published 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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  20. 140

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

    Published 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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