Showing 481 - 500 results of 1,090 for search '(( a n decrease ) OR ( 5 ((wt decrease) OR (((a decrease) OR (mean decrease)))) ))', query time: 0.23s Refine Results
  1. 481
  2. 482

    Conversion of Organic Municipal Wastes into Biochars and their Effect on Fertility Parameters of Normal and Sabkha Soils of Qatar by Ahmedna, Mohamed

    Published 2016
    “…To each pot, sufficient amount of 0.25-mm sieved biochar was mixed with soil to yield carbon to soil ratios of 0, 1, and 2% (wt/wt). Box-Behnken experimental design was used instead of the full factorial to decrease the number of treatments to a manageable level (126 treatments) with three replications at the center. …”
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  3. 483

    Enhanced quality factor of polyvinyl formal (PVF) based nanocomposites filled with zinc oxide and carbon black nanoparticles for wireless sensing applications by Mohanapriya, M.K.

    Published 2019
    “…The incorporation of ZnO at 10% decreases Q-factor to 36.1. Incorporation of CBNP at 5% and ZnO at 5% further reduces the Q-factor to 13.7. …”
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  4. 484

    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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  5. 485

    Synthesis and properties of HA/ZnO/CNT nanocomposite by Ding M.

    Published 2018
    “…The goal of this study was to examine the tribomechanical properties of hydroxyapatite (HA)/ZnO and HA/ZnO/CNT composite ceramics (carbon nanotubes; with different ratios 0.5 wt%, 1.0 wt%, and 1.5 wt%). The composites were synthesized using the hydrothermal method in an autoclave. …”
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  6. 486

    In vitro effects of hydrogen peroxide on rat uterine contraction before and during pregnancy by AlanaziR.

    Published 2018
    “…Results In both term-pregnant and non-pregnant uterine strips, H 2 O 2 elicited a biphasic response, consisting of a transient contraction followed by a persistent decrease in spontaneously generated contractions, contractions induced by oxytocin, and contractions induced by high Ca +2 (all P< 0.01, compared with controls) in a concentration-dependent manner. …”
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  7. 487

    An Overview of Solid Waste Management and Plastic Recycling in Qatar by Al-Maaded, M.

    Published 2012
    “…The analysis showed that Qatar produced around 2,000,000 tons of solid municipal waste annually, corresponding to a daily generation rate per capita of about 2. 5 kg. …”
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  8. 488

    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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  9. 489

    ASSOCIATION BETWEEN INSULIN RESISTANCE AND NITRIC OXIDE IN HUMAN RETINAL MICROVASCULAR ENDOTHELIAL CELLS IN VITRO by Bushra, Sumbul

    Published 2015
    “…This may suggest that insulin could counteract the hyperglycemic effect on AKT/PI3 kinase which mediates NO production and VEGF-A, with decreased adhesion molecules such as p-selectin that is involved in barrier disorder of retinal endothelial cells. …”
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  10. 490
  11. 491

    Propagation rate coefficient for sulfobetaine monomers by PLP-SEC by Lacík, Igor

    Published 2016
    “…The kp decreases upon increasing the monomer concentration up to 20 wt % followed by independence of kp on further increased monomer concentration. …”
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  12. 492

    Acute and chronic toxicity assessments of 17β-estradiol (E2) and 17α-ethinylestradiol (EE2) on the calanoid copepod Acartia clausi: Effects on survival, development, sex-ratio and... by Emna, Djebbi

    Published 2022
    “…Lethal effects of estrogens on A. clausi life-stages (Embryos, one day old nauplii: N1, three day old nauplii: N3, copepodites: C1-C3 and adults: C6) were investigated using 48 h acute tests. …”
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  13. 493

    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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  14. 494

    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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  15. 495

    High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling by Cabibbo, Marcello

    Published 2014
    “…Three different thin hard nitrogen-rich coatings were mechanically, microstructurally, and thermally characterized: A 2.5 micron-thick CrN-NbN, a 11.7 micron-thick TiAlN, and a 2.92 micron-thick AlTiCrxNy. …”
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  16. 496

    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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  17. 497

    Tribological studies of nanomodified mineral based multi-grade engine oil by Laad, M.

    Published 2017
    “…Tests were carried under loads of 40N, 60N and 90N at sliding speeds 0.5 m/s, 1.0 m/s and 1.5 m/s. …”
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  18. 498
  19. 499

    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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  20. 500

    Overconfident results with the bivariate random effects model for meta-analysis of diagnostic accuracy studies by Furuya-Kanamori, Luis

    Published 2022
    “…Diaz found that the performance of the bivariate model deteriorates when between-study heterogeneity increases and the number of studies decrease.5 Our simulation studies found similar results—with moderate levels of heterogeneity (tau2 = 1), the coverage probabilities of Se, Sp, and the diagnostic odds ratio (DOR) with the bivariate model dropped below the nominal level.6 Diagnostic accuracy studies usually favor sensitivity over specificity, or vice versa leading to diagnostic 2 × 2 tables with one or more of the cells with low frequency or zero counts. …”
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