Showing 221 - 240 results of 1,806 for search '(( 20 1 decrease ) OR ( 10 ((per decrease) OR (((nn decrease) OR (a decrease)))) ))*', query time: 0.20s Refine Results
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    Environment Degradation and Economic Growth in the Qatar Economy: Evidence from a Markov Switching Equilibrium Correction Model by Charfeddine, Lanouar

    Published 2016
    “…After reaching a critical level of income, the spending on environment protection is increased, and hence environment degradation tend to decrease. …”
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  11. 231

    Optimization of cultivation conditions for combined nutrient removal and CO2 fixation in a batch photobioreactor by Al Ketife, Ahmed MD

    Published 2017
    “…Experimental conditions employed comprised CO2 concentrations (Cc,g) of 0.03–22% CO2, irradiation intensities (I) of 100–400 μE, temperatures of 20–30 °C and nutrient concentrations of 0–56 and 0–19 mg L−1 nitrogen and phosphorus, respectively, the response parameters being specific growth rate μ, CO2 uptake rate Rc and %nutrient removal. …”
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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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