Showing 301 - 320 results of 729 for search '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( 20 1 decrease ) OR ( a systematic decrease ))))*', query time: 0.18s Refine Results
  1. 301

    Electrochemical oxidation of ammonia (NH4+/NH3) ON synthesized nickel-cobalt oxide catalyst by Almomani F.

    Published 2021
    “…The reported Pgen were 0.55, 0.85, 1.1 and 0.0.93 mW/cm2 for Ni–C, Co10/Ni–C, Co20/Ni–C and Co40/Ni–C. …”
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  2. 302

    Investigation of the rheological properties of nanosilica-reinforced polyacrylamide/polyethyleneimine gels for wellbore strengthening at high reservoir temperatures by Shamlooh M.

    Published 2019
    “…The objective of this work is to investigate the effect of nanosilica sizes (8, 20, 50, and 85 nm) and concentrations (0.1–2 wt %) on the stability and viscoelastic behavior of polyacrylamide (PAM) cross-linked with polyethyleneimine (PEI) at 130 °C. …”
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  3. 303

    Synthesis and characterization of stir casted Cu-ZrO2-Graphite hybrid metal matrix composites for thermal management structures by Mittal, Prateek

    Published 2022
    “…ZrO2 and Graphite reinforcements were added (0.5–0.5, 1.0–1.0, 1.5–1.5 and 2.02.0 wt %) in the four composite samples prepared via stir casting. …”
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  4. 304

    Phenolic contents-based assessment of therapeutic potential of Syzygium cumini leaves extract by Ahmed, Rashid

    Published 2019
    “…The DPPH assay demonstrated a higher antioxidant potential (IC-50 value of 133 μg/ml), which was comparable to the IC-50 of ascorbic acid (122.4 μg/ml). …”
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  5. 305

    Temperature sensor based on composite film of vanadium complex (VO2(3-fl)) and CNT by Karimov, Kh S.

    Published 2015
    “…The overall resistance of the sensor decreases by 1.8-2.1 and 1.9-2.0 times at DC and AC voltage, respectively. …”
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  6. 306

    Assessment of SnO2 nanoparticles' impact on the growth of Picochlorum maculatum algae by Bounnit, Touria

    Published 2022
    “…To determine the effect of SnO2 nanoparticles on Picochlorum maculatum - isolated from a Qatar marine environment, algal growth media are amended with different nanoparticle concentrations (1, 5, 25, 50, and 100 mg L−1) and the culture was observed for 72 h. …”
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  7. 307

    Allelopathic effects of the invasive Prosopis juliflora (sw.) Dc. On seed germination of selected Qatari native plant species by Bibi, Shazia

    Published 2016
    “…In order to achieve the goals, aqueous extract of P. juliflora was made by immersing 100 g/l of powdered parts of plant in warm distilled water (∼50°C) for 24 hours with regular mixing. Whatman filter paper was used to filter the obtained brownish solution. …”
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    Climatology and variability of wind speeds along the southwest coast of India derived from Climate Forecast System Reanalysis winds by Abdulla, Cheriyeri Poyil

    Published 2022
    “…The study reveals significant decreasing trends in annual mean wind speeds, of the order of −2.0 to −2.5 cm·s−1·year−1, for the period 1979–2019. …”
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  12. 312

    Co2 Removal Using Imidazolium-Based Ionic Liquid -Aspen Plus Modelling Study by Qureshi, Tooba Ishtiaq

    Published 2023
    “…Additionally, a flow rate of 20,000 kg/h for the ionic liquid is optimized for the highest purity values of CO2 and CH4, and the total annualized cost for the process is 2.1 million dollars with operating expenses of 1.8 million dollars for a 20-year of plant life with a plant capacity of 4000 kg/h (0.035 Mt/year). …”
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  13. 313
  14. 314

    Improvement of ternary recycled polymer blend reinforced with date palm fibre by Khanam, P. Noorunnisa

    Published 2014
    “…The date palm fibre reinforced composites (CD00) were prepared by maintaining constant weight% of fibre of 20wt% without any fibre treatment. Maleic anhydride (MA) was used as the compatabilizer (1 and 2wt%) and the effect of compatabilizer on the blend matrix composites was studied. …”
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  15. 315

    Synthesizing New Anodes From Qatalum's 1st Cut Spl by Hani Holozadah, Abdullah

    Published 2014
    “…This might result in extending the life time of the carbon anodes and decrease the number of carbon dioxide kilograms that are released per a ton of produced Al metal. …”
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  16. 316

    Tribo-mechanical properties evaluation of HA/TiO2/CNT nanocomposite by Zalnezhad, Erfan

    Published 2021
    “…To investigate the biocompatibility and tribo-mechanical properties of HA/TiO2 and HA/TiO2/CNTs, four samples were prepared with different percentages of CNTs, namely, HA/TiO2 (S0), HA/TiO2/CNT (S1.0), HA/TiO2/CNT (S2.0), and HA/TiO2/CNT (S3.0). …”
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  17. 317

    Vertical zonation and functional diversity of fish assemblages revealed by ROV videos at oil platforms in The Gulf by Torquato, F.

    Published 2017
    “…Several trends were uncovered in the vertical distribution of the fish community; most species were observed between 20 and 50 m depth and fish abundance decreased towards the bottom, with the highest abundances recorded in the upper layers, i.e. down to 40 m depth. …”
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    Effect of using Cement Kiln Dust as a nano-material on the strength of cement mortars by Alnahhal, Wael

    Published 2017
    “…In addition to the control cement mortar mixture with 0% CKD, a total of 28 concrete mortar mixtures were prepared with four different replacement percentages of nano-CKD (5, 10, 15, and 20 %), and seven different milling times (1, 1.5, 2, 2.5, 3, 3.5, and 4 hours). …”
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