Showing 621 - 640 results of 1,058 for search '(( 2 c decrease ) OR ( 5 ((wt decrease) OR (((a decrease) OR (nn decrease)))) ))', query time: 0.20s Refine Results
  1. 621

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

    Published 2021
    “…The XRD pattern confirmed the formation of Co/Ni–C composite with a reasonable presence of metal hydroxide (Ni(OH)2 & Co(OH)2). …”
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  2. 622

    Tobacco Use and Its Health Effects among Professional Athletes in Qatar by Chaabane, Zaina

    Published 2016
    “…The objective of the study was to determine the effects of tobacco use on selected markers of health and lung function in professional athletes. A total of 108 male professional athletes participated in the study from ten ball game teams in the same sport league in Qatar (age = 26.4 ± 5.1 yrs, height = 190.6 ± 11.9 cm, and weight = 91.5 ± 16.4 kg). …”
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  3. 623

    Study the efficiency of Ultrasonic Technology in Removal of Algae from Surface Waters by Maarouf, Alaa

    Published 2024
    “…The dominant algae genus was identified using a light microscope, and ultrasound waves with a low frequency of 40 kHz and a power density of 0.024 W/cm³ were applied at different time intervals (0 – 80 minutes) at time intervals of 5 minutes. …”
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  4. 624
  5. 625

    Responses of lichen communities to 18 years of natural and experimental warming by Alatalo, Juha M.

    Published 2017
    “…Key Results Between 1993 and 2013, mean annual temperature increased about 2 °C. Both site and experimental warming had a significant effect on cover, species richness, effective number of species evenness of lichens, and total plant canopy cover. …”
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  6. 626

    Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment by Firas, Feki

    Published 2023
    “…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …”
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  7. 627

    Methane production enhancement from Tetraselmis biomass co-digestion using frying oil residue as co-substrate and ultrasonication as pretreatment by Firas, Feki

    Published 2023
    “…Interestingly, compared to untreated Tetraselmis biomass, sonication pretreatment using specific energy of 1.6 kJ/g VS significantly improved specific methane production by 60.5%. However, increasing specific energy sonication to 3.2 kJ/g VS decreased the positive energy balance of whole process from 8.6 to 5.5 ± 0.3 kJ/g VS. …”
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  8. 628

    Magnetorheological damper with external excitation for more efficient control of vehicles? dynamics by Sassi S.

    Published 2018
    “…The experimental tests made on the first prototype featuring this new technology was promising. The excitation of a set of 12 coils surrounding the body of the damper, by an electric current of 5 A, managed to increase the damping coefficient by up to 75%. …”
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  9. 629
  10. 630

    Impact of combined oil-in-water emulsions and particulate suspensions on ceramic membrane fouling and permeability recovery by Abdalla M.

    Published 2019
    “…The addition of 1500 mg·L−1 of bentonite to a 10 vol.% emulsion resulted in a permeability decrease of 3.55 times over that recorded for the emulsion, and 8–36 times lower than that of the bentonite suspension. …”
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  11. 631

    Thermal and mechanical stability of microwave sintered cold compact bismuth telluride thermoelectric material by Farheen F., Jaldurgam

    Published 2022
    “…The TGA-DSC results indicate a slight mass gain at 350 °C followed by a steep weight loss beyond 550 °C suggesting good thermal stability when the experimental temperature is below 350 °C. …”
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  12. 632

    Hot and Hypoxic environments inhibit simulated soccer performance and exacerbate performance decrements when combined by Aldous, Jeffrey

    Published 2016
    “…Sprint distance covered was unchanged (p>0.05) in HOT and HYP and only decreased in HH (−8%) compared with CON. Body mass (−2%), temperatures (+25%), and TS (+18%) were altered in HOT. …”
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  13. 633

    Effect of mobile text messages on antiretroviral medication adherence and patient retention in early HIV care: An open-label, randomized, single center study in south Florida by Sherman, Elizabeth M.

    Published 2020
    “…A significant increase in CD4 cell count and a decrease in HIV RNA were found at study end, with no differences between the two groups. …”
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  14. 634

    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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  15. 635

    Phase change materials based on high-density polyethylene filled with microencapsulated paraffin wax by Krupa, Igor

    Published 2014
    “…The selected characteristic temperatures of degradation decreased by more than 200 °C compared with the related temperatures for neat high-density polyethylene. …”
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  16. 636

    High-Rate Anaerobic Digestion of Waste Activated Sludge by Integration of Electro-Fenton Process by Feki, Emna

    Published 2020
    “…Production of biogas was also found to improve during semi-continuous fermentation of EF-pretreated sludge conducted in a lab-scale reactor. In comparison to raw sludge, EF-pretreated sludge produced the highest biogas yield (0.81 L biogas/g VS) with a high COD removal rate, reaching 96.6% at an organic loading rate (OLR) of 2.5 g VS/L. d. …”
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  20. 640

    Investigation Into the Effects of Non-Linear Loading of Domestic Power Network on Home Appliances by Hossain, Ajad

    Published 2016
    “…Efficiency computation of a single-phase capacitor start machine. c) Fundamental frequency, 3rd harmonic and 5th harmonic power is estimated by using the above block. …”
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