Showing 421 - 440 results of 1,001 for search '(( a member decrease ) OR ( 5 ((ng decrease) OR (((mean decrease) OR (a decrease)))) ))', query time: 0.17s Refine Results
  1. 421

    Improvement of both lipid and biomass productivities of Qatar Chlorocystis isolate for biodiesel production and food security by Saadaoui, Imen

    Published 2018
    “…Most previous research evidenced that the increase of the lipid content is accompanied by a decrease of the biomass production, which increases the cost of the downstream processing. …”
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  2. 422

    Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM) by Ahmad, Hassan Haidar

    Published 2020
    “…This paper will focus on the fine recycled concrete (FRC) 0-5 mm as a fine aggregate material in the mix design for constructing the base road layers under the Asphalt layers and how using crushed concrete can increase the quality and change the classification of the base aggregate mixes. …”
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  3. 423

    Mechanical properties of gamma irradiated TiO2NPs/MWCNTs/LDPE hybrid nanocomposites by Zagho M.M.

    Published 2020
    “…Furthermore, the % of the total elongation at break is decreased after incorporating MWCNTs. The % of the total elongation at break after exposure to a dosage of 25 kGy was reduced as a result of chain scissions and molecular weight decrease. …”
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  4. 424

    Computational approach to unravel the impact of missense mutations of proteins (D2HGDH and IDH2) causing D-2-hydroxyglutaric aciduria 2. by Thirumal Kumar, D

    Published 2018
    “…In the case of D2HGDH protein, the mutations I147S and V444A that are positioned in the beta sheet region exhibited higher Root Mean Square Deviation (RMSD), decrease in compactness and number of intramolecular hydrogen bonds compared to the mutations N439D and D375Y that are positioned in the turn and loop region, respectively. …”
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  5. 425
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  7. 427

    Forecast of the outbreak of COVID-19 using artificial neural network: Case study Qatar, Spain, and Italy by Shawaqfah M.

    Published 2021
    “…The model sensitivity was analyzed using the root mean square error (RMSE), the mean absolute percentage error and the regression coefficient index R2, which yielded highly accurate values of the predicted correlation for the infected and dead cases of 0.99 for the dates considered. …”
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  8. 428

    Evacuated tube heat pipe solar collector for Encontech engine-driven reverse osmosis solar desalination by Takalkar, Gorakshnath

    Published 2020
    “…Both energetic and exergetic efficiencies exhibit upper values at A co/A abs ratio up to 1. Further increment in this ratio up to 3 resulted in a decrease in the efficiency of the ETHPSC.…”
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  9. 429

    Short-term greenhouse emission lowering effect of biochars from solid organic municipal wastes by Rehrah D.

    Published 2018
    “…A significant decrease in CO2 emission was observed in vials with soil–biochar mixtures, especially for biochars produced at 500 °C compared the corresponding raw materials which exhibited an exponential increase in the CO2 emission. …”
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  10. 430

    The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments by Dlubek, Gunter

    Published 2004
    “…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …”
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  11. 431
  12. 432

    Higher egg consumption associated with increased risk of diabetes in Chinese adults - China Health and Nutrition Survey. by Wang, Yue

    Published 2020
    “…Egg consumption at each survey was assessed by a 3-d 24-h recall and weighed food record methods. …”
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  13. 433

    Effect of concentration of DOC loaded TiO 2 nanotubes on the corrosion behavior of smart coatings by Ubaid F.

    Published 2019
    “…Various contents of the encapsulated TiO2 nanotubes (1, 3 and 5 wt%) were thoroughly dispersed into the epoxy matrix and the resulting composites were then applied on a cleaned steel substrate using doctor blade technique to develop smart coatings. …”
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  14. 434

    Tobacco control in the Eastern Mediterranean region: implementation progress and persisting challenges by Abu-Rmeileh, Niveen M E

    Published 2022
    “…Tobacco use is the leading cause of preventable mortality worldwide, projected to claim 1 billion lives in the twenty-first century.1 Tobacco prevalence rates are expected to decrease across all the WHO regions by 2025 as a result of tobacco control efforts. …”
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  15. 435

    Mechanical and microstructure characterization of hard nanostructured N-bearing thin coating by Cabibbo, M.

    Published 2015
    “…The main problem with steel, is that it exhibits a relatively low hardness (below 10GPa) which strongly decreases upon annealing above about 600K. …”
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  16. 436

    Development of pH-Controlled Aluminum-Based Polymeric Gel for Conformance Control in Sour Gas Reservoirs by Shamlooh M.

    Published 2020
    “…The results reveal that aluminum acetate, among the screened salts, has a controllable gelation time at pH conditions between 3.5 and 8.5 and is the most stable in the temperature range 25–100 °C. …”
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  17. 437

    Tailoring electrocatalytic properties of Pt nanoparticles grown on Ti3C2Tx MXene surface by Filip, Jaroslav

    Published 2019
    “…Composites containing 14 wt% Pt showed HER with an onset potential of −75.9 mV and a current density of −10 mA cm−2 achieved at −226 mV. …”
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  18. 438

    Integrated planning of spare parts and service engineers with partial backlogging by Rahimi-Ghahroodi, S.

    Published 2017
    “…In a numerical study, we show that for problems with more than five types of spare parts it is preferable to use approximate evaluations as they become significantly faster than exact evaluation. …”
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  19. 439

    Dynamic Imaging of Hydrate Specific Area Evolution during Xenon Hydrate Formation by Jarrar, Zaher

    Published 2020
    “…During hydrate formation and dissociation, full 3D images are acquired at a time resolution of 45 seconds and a spatial resolution of 5.38 ?…”
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  20. 440

    INVESTIGATION OF SPATIOTEMPORAL VARIABILITY AND CONTAMINATION OF PLASTIC MARINE DEBRIS IN QATAR’S COASTAL WATERS by Abayomi, Oyebamiji Abib

    Published 2015
    “…There has been a tremendous proliferation in plastic production in the last five decades due to its low cost and versatile applications. …”
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