Showing 401 - 420 results of 625 for search '(( 50 ((peter decrease) OR (((mean decrease) OR (a decrease)))) ) OR ( 5 c decrease ))', query time: 0.19s Refine Results
  1. 401

    Nitrogen Transformations as affected by some factors at cultivated soils in Saudi Arabia by Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح]

    Published 2001
    “…Ammonium sulphate (5 mg N g-1 soil) was added and the soil samples were incubated at 25°C for 4 weeks. …”
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  2. 402

    Nitrogen Transformations As Affected By Some Factors at Cultivated Soils In Saudi Arabia by Al Falih, Abdullah M. [عبد الله مساعد خلف الفالح]

    Published 2000
    “…Ammonium sulphate (5 mg N g'' soil) was added and the soil samples were incubated at 25°C for 4 weeks. …”
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  3. 403
  4. 404

    Characterization of polysulfone/diisopropylamine 1-alkyl-3-methylimidazolium ionic liquid membranes: high pressure gas separation applications by Khraisheh M.

    Published 2020
    “…TGA showed that pure PSF is a highly thermostable polymer, of which the 5% weight loss temperature is above 150 C. DSC traces show that the Tg of PSF was 149.5 C and decreases gradually for the composites. …”
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  5. 405
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  9. 409

    Noble metal -doped graphitic carbon nitride photocatalyst for enhancement photocatalytic decomposition of antibiotic pollutant in wastewater under visible light by Viet N.M.

    Published 2019
    “…The doping of Ag not only decreased the band-gap energy and particle size, but also enhanced the separation of charge carriers and decreased the electron/hole recombination in the g-C3N4 structure. …”
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  10. 410

    Combined influence of temperature and flow rate of feeds on the performance of forward osmosis by Hawari, Alaa H.

    Published 2016
    “…It was also found that when increasing the draw solution (DS) temperature from 20 °C to 26 °C the flux increased linearly and then started decreasing when temperature increased over 26 °C due to the development of a temperature gradient. …”
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  11. 411

    Highly active, durable and pH-universal hybrid oxide nanocrystals for efficient oxygen evolution by Ahmad, Yahia H.

    Published 2017
    “…Particularly, Pt1-NiMnO3 showed superior OER efficiency relative to its counterparts Pt0.5-NiMnO3, Pt0.1-NiMnO3, NiMnO3, and commercial Pt/C at different pH values, ascribed to the size, morphology, and composition effects as confirmed via XRD, XPS and electrochemical characterization. 2018 The Royal Society of Chemistry.…”
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  12. 412

    Synthesis and electrochemical properties of nickel oxide/carbon nanofiber composites by Al-Enizi, Abdullah M.

    Published 2014
    “…These electrospun fibers were stabilized for 2 h at 200 °C and then carbonized at 800 °C for 5 h. Composites were prepared by depositing Ni(OH)2 on the carbon nanofibers (CNFs) and calcining them at different temperatures. …”
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  13. 413

    Selective adsorption of carbon dioxide, methane and nitrogen using resorcinol-formaldehyde-xerogel activated carbon by Awadallah, Ahmed

    Published 2017
    “…Adsorption/desorption isotherms of CO2, CH4, and N2 gases onto RF-ACX adsorbent were measured gravimetrically by a magnetic suspension microbalance at five different temperatures (20, 30, 40, 50 and 60 °C) in the pressure range of 0–1 MPa. …”
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  14. 414
  15. 415

    CO2 methanation using sugarcane bagasse biochar/nickel sustainable catalysts by Gamal, Ahmed

    Published 2024
    “…The catalyst containing 0.5 mmolNi/gSCB showed the highest CO2 conversion at all operating temperatures (250–550 °C) in addition to the highest methane selectivity at 400 °C. …”
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  16. 416
  17. 417

    RIGOROUS SIMULATION AND OPTIMIZATION OF THE COLD SECTION IN A REAL LNG PLANT: UPFRONT NITROGEN REMOVAL AS PROCESS ENHANCING CONCEPT by MKACHER, HAJER

    Published 2023
    “…Compared with baseline operation, removing up to 87.5% of nitrogen from the feed was found optimal as it decreases the total power requirement by 0.24 MW and increases the LNG product flow rate by 4.4 %, while exergy loss decreased by 7.08 MW. …”
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  18. 418

    Influence of temperature on tire-pavement noise in hot climates: Qatar case by Okan, Sirin

    Published 2021
    “…This temperature correction factor is developed based on the local environment (temperature varying from 5 °C to 35 °C) and generally varies with different pavements. …”
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  19. 419

    Influence of temperature on tire-pavement noise in hot climates: Qatar case by Okan, Sirin

    Published 2021
    “…This temperature correction factor is developed based on the local environment (temperature varying from 5 °C to 35 °C) and generally varies with different pavements. …”
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  20. 420

    Prospects of Biocrude Production Potential from Local Diatom by Al-Namimi, Sara Mohammed

    Published 2020
    “…A marine diatom Nitzchia reversa was grown in 5 sq. m open raceway pond (10 cm culture depth, 500 L culture volume) in the Qatari desert environment. …”
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