Showing 641 - 660 results of 966 for search '(( 50 ((nn decrease) OR (a decrease)) ) OR ((( 20 1 decrease ) OR ( a system decrease ))))*', query time: 0.17s Refine Results
  1. 641

    Monovalent Anion Interaction on the Electron Flow of Photosystem II in Soyabean Cells by El Shintinawy, Fatma [فاطمة على الشنتناوي]

    Published 1994
    “…Analysis of chlorophyll a fluorescence decays of non-anion treated and HCO'3 restored cells demonstrates a remarkable irreversible inhibition of the electron flow between QA' and QB at the electron acceptor side of photo-system II. …”
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  2. 642
  3. 643
  4. 644

    Investigating algal CO2 capture through screening of Qatari desert microalgae & cyanobacteria strains by Al Muraikhi, Mariam

    Published 2016
    “…CO2 fixation by phototrophic microalgae has been addressed as a possible global carbon emissions reducer, whilst simultaneously producing useful products. …”
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  5. 645

    In-depth Analysis of Pedestrian Safety in the State of Qatar by Kharbeche, Mohamed

    Published 2016
    “…To tackle this problem, the development of a detailed data analysis is crucial and a major approach followed in attempting to solve existing pedestrian issues in the road system, in terms of evaluating the current pedestrian safety issues in the country. …”
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  6. 646
  7. 647

    Synthesis of High-Antifouling and Antibacterial Ultrafiltration Membranes Incorporating Low Concentrations of Graphene Oxide by Alkhouzaam, Abedalkader Ibraheem

    Published 2020
    “…Separation properties of the prepared membranes were investigated using a cross-flow membrane system. Biofouling and organic fouling resistance of membranes were tested using bovine serum albumin (BSA) and humic acid (HA) as model foulants. …”
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  8. 648

    Managing multitype capacity resources for frequency regulation in unit commitment integrated with large wind ramping by Hemmati, Reza

    Published 2021
    “…Such models are more complicated under a high penetration level of renewable energy because of renewable ramping and uncertainty. …”
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  9. 649
  10. 650

    Mechanical and physical behavior of newly developed functionally graded materials and composites of stainless steel 316L with calcium silicate and hydroxyapatite by Ataollahi Oshkour, Azim

    Published 2015
    “…It has been found that the FGMs emerged a better compressive mechanical properties compared to both the composite systems. …”
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  11. 651
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  13. 653

    Impact of fines type on gas flow using 3D micro-computed tomography by Al-Raoush, Riyadh

    Published 2019
    “…Therefore, there is a need to model and quantify fines impact on multi-phase flow using 3D reconstruction to better understand gas recovery systems. …”
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  14. 654

    The Effect of Experimental Recuperative and Appetitive Post-lunch Nap Opportunities, With or Without Caffeine, on Mood and Reaction Time in Highly Trained Athletes by Romdhani, Mohamed

    Published 2021
    “…After PSD, POMS score decreased after CAF (p < 0.001; d = 2.38; Δ% = 66.97) and CAF+N20 (p < 0.001; d = 1.68; Δ% = 46.68). …”
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  15. 655

    Novel fluorinated surfactants for enhanced oil recovery in carbonate reservoirs by Al-Amodi, Adel O.

    Published 2016
    “…A decrease in oil/water interfacial tension (IFT) of almost one order of magnitude was observed when adding surfactant‐A. …”
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  16. 656

    Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures by Al Assaad, Douaa

    Published 2021
    “…Human exposure to particles indoors occurs through direct inhalation or indirectly through deposition on clothes that release them in other spaces. Ventilation systems are installed to decrease direct exposure but little is known about their effect on clothing-mediated exposures. …”
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  17. 657

    Experimental results and modelling of corrosion-damaged concrete beams strengthened with externally-bonded composites by Elghazy M.

    Published 2018
    “…It was observed that lowering the concrete compressive strength or increasing the concrete cover decreased the load-carrying capacities of the strengthened beams regardless of the strengthening system used (FRCM or FRP). …”
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  18. 658

    Energy conversion of heat from abandoned oil wells to mechanical refrigeration - Transient analysis and optimization by Al-Khawaja, Mohammed

    Published 2012
    “…This study investigates the potential of using the geothermal energy from abandoned oils in a novel three-loop system; geothermal, power and cooling loops to produce cooling effect. …”
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  19. 659
  20. 660

    Remote sensing of desertification and study of temporal variability of aeolian deposits in parts of the Arabian Desert for sustainable development in an arid environment by Rajendran, Sankaran

    Published 2023
    “…Analysis of temporal variability of deposits between 2000 and 2021 using ASTER band 12 by Parallelepiped image classification showed a decreasing trend from 9.70% to 2.94% in their distributions due to erosion and transportation. …”
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