Showing 561 - 580 results of 1,136 for search '(( a system decrease ) OR ( 5 ((((wt decrease) OR (a decrease))) OR (nn decrease)) ))', query time: 0.24s Refine Results
  1. 561

    Re-emission of slow positrons from tungsten at elevated temperatures by Al-Qaradawi, I. Y.

    Published 2002
    “…It is concluded that maintaining a moderator or remoderator at elevated temperatures in standard positron beam systems has no beneficial consequences for the quality or intensity of the beam produced. …”
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  2. 562

    Electrocatalytic arsenite oxidation in bicarbonate solutions combined with CO2 reduction to formate by Wonjung, Choi

    Published 2020
    “…Sunlight-driven water-energy nexus technologies are receiving increasing attention. This study presents a hybrid electrochemical system that catalyzes the oxidation of As(III) to As(V) with a nanoparticulate TiO2 electrocatalyst (Ti/Ir1-xTaxOy/TiO2; denoted as an n-TEC) while simultaneously converting CO2 to formate on a Bi electrode in aqueous bicarbonate solutions at circum-neutral pH. …”
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  3. 563

    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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  4. 564

    Choroidal metastasis as initial presentation of aggressive medullary thyroid carcinoma with widespread mediastinal, brain, pituitary, bone, lung, and liver metastasis: Case report... by S. Al Hassan, Mohamed

    Published 2021
    “…MTC presenting as ocular symptoms due to choroidal mass is rare with bad prognosis. Presentation of case A 38-year-old Sudanese male presented to Hamad General Hospital, complaining of sudden painless decrease of vision of the right eye of 3 weeks duration. …”
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  5. 565

    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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  6. 566

    Effect of graphene loading on thermomechanical properties of poly(vinyl alcohol)/starch blend by Jose, J.

    Published 2015
    “…Mechanical properties results showed that the optimum loading of graphene was 0.5 wt % in the blend. XRD studies indicated uniform dispersion of graphene in PVA/starch matrix upto 0.5 wt % loadings and further increase caused agglomeration. …”
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  7. 567
  8. 568

    Effect of gamma irradiation on the microstructure and morphology of polyethylene oxide and polyvinyl alcohol blends by Al-Maadeed, M.

    Published 2010
    “…Thin films of a blend of 90, 75, 50 (wt/wt%) percentage of polyethylene oxide and polyvinyl alcohol were synthesized and irradiated with 5, 25, 50, 100 and 200 kGy. …”
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  9. 569

    Fabrication of Selective Sensors for Hg2+ Traces in Water Using Graphene Decorated with Metal Nanoclusters by Ayesh, Ahmad I.

    Published 2016
    “…Gold nanoclusters were produced by the sputtering and inert gas condensation technique inside an ultra-high vacuum system. The system consists of three main chambers (source, mass filter, and deposition chambers) that were pumped initially to a base pressure of 10-8 mbar using two turbo pumps. …”
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  10. 570

    Experimental Investigation of Foam drilling fluid using Visualization Technique by Barooah, Abinash

    Published 2021
    “…The experiments were conducted in a 6.16 m long horizontal pipe with 2.5 in. inner diameter and 4.5 in. outer diameter and annular diameter ratio of 1.8. …”
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  11. 571

    Cold Plasma as Effective Tool for Aluminum Surface Cleaning by Popelka, Anton

    Published 2016
    “…In the final step, two layers of foils are wounded together and rolling oil is sprayed between the two layers and the -twin foil- is rolled down. A continuous amorphous oxide layer is formed immediately after rolling process due to the reaction of oxygen and air humidity and therefore new metal surface is produced [5]. …”
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  12. 572
  13. 573

    PROFILE OF OXIDATIVE STRESS GENES IN RESPONSE TO OBESITY TREATMENT by AHMED, AMIRA

    Published 2021
    “…Conclusion: This study demonstrated that SFN had lowered body weight in WT-DIO mice by decreasing OS damage in skeletal muscles through the NrF2 pathway and can be a potential anti-obesity drug.…”
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  14. 574

    Phase, microstructure and tensile strength of Al–Al2O3–C hybrid metal matrix composites by Ahamad, N.

    Published 2020
    “…Aluminium matrix reinforced with Al2O3–carbon (2.5, 5, 7.5 and 10 wt.%) in equal proportion was prepared by stir casting. …”
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  15. 575

    Structural and mechanical characterization of stir cast Al–Al2O3–TiO2 hybrid metal matrix composites by Ahamad, N.

    Published 2020
    “…Aluminium matrix reinforced with aluminium oxide?titanium oxide (2.5, 5.0, 7.5 and 10 wt.%) in equal proportion were prepared by stir casting. …”
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  16. 576

    Modified zno nanoparticles using iron ions (Fe3+) for photo-catalytic degradation of toxic pollutants under sunlight by Ba-Abbad, Muneer M.

    Published 2019
    “…The photocatalytic activities of pure ZnO and Fe-ZnO samples were evaluated based on the degradation of 2-chlorophenol in an aqueous solution under the sunlight. The samples with a small concentration of Fe3+ ions showed enhanced photocatalytic activity with an optimal maximum performance at 0.5 wt. %. …”
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  17. 577
  18. 578

    Specific Bioactive Compounds from Ginger, Tea, and Apple Prevent Diabetes-Related Cataract Via Inhibition of Aldose Reducatse by Ahmedna, Mohamed

    Published 2016
    “…Results show that cell viability decreased to 93 ± 3%, 83 ± 6%, 65 ± 4% and 39 ± 3% at 10, 25, 50 and 100 mM of glucose on day 1 with further drastic decrease in cell viability to 73 ± 5%, 61 ± 3%, 35 ± 2%, and 11 ± 6%, respectively, on day 4 compared to the untreated cell. …”
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  19. 579

    Cultivating microalgae in desert conditions: Evaluation of the effect of light‐temperature summer conditions on the growth and metabolism of nannochloropsis qu130 by Jabri, Hareb Al

    Published 2021
    “…The application of temperature cycles under constant light led to a 13.6% increase in biomass productivity, while a 45% decrease was observed under light and temperature regimes due to the combined stress. …”
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  20. 580

    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. Nanoparticle concentration in the mineral oil was taken as 1.5 wt%. …”
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