Showing 521 - 540 results of 898 for search '(( 5 c decrease ) OR ( 5 ((((step decrease) OR (we decrease))) OR (a decrease)) ))', query time: 0.20s Refine Results
  1. 521

    Thermal properties of phase-change materials based on high-density polyethylene filled with micro-encapsulated paraffin wax for thermal energy storage by Karkri, M.

    Published 2015
    “…Microcapsules consisting of paraffin wax cores with a melting point of approximately 42 °C and a melamine-formaldehyde resin shell were synthesized using in situ polymerization. …”
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  2. 522

    Investigating the utilization of healthcare services to manage respiratory tract infections (RTIs) among Qatari patients attended selected primary healthcare centers in Qatar by Islam, Nazmul

    Published 2018
    “…We have found no difference in the month-to-month rates of RTI-related GP visits (per 1000 total visits) over the study period (non-significant decreasing trend). …”
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  3. 523
  4. 524

    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. 525

    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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  6. 526

    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. 527

    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. 528

    Methylmercury, Trace Metals, Organotins and Their Effects on the Qatari Mangrove Shrimp, Palaemon khori by Hassan, Hassan

    Published 2022
    “…The Qatari mangroves of Al-Khor are being increasingly exposed to a wide variety of anthropogenic pollutants due to land reclamation and urban expansion. …”
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  9. 529

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

    Published 2014
    “…The specific capacitance (SC) was found to be highest (738 F g−1) at a calcination temperature of 400 °C. The charge transfer resistance (Rp) decreased as the calcination temperature was increased. …”
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  10. 530

    Optimizing nutrient removal of moving bed biofilm reactor process using response surface methodology by Almomani F.

    Published 2020
    “…Reactors demonstrated stable biofilm characteristics except for a slight decrease in biofilm thickness due to flow-shear stress. …”
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  11. 531

    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
    “…This study the noble metal (Ag)-doped graphitic carbon nitride (g-C3N4) photocatalyst was synthesized via a facial thermal condensation method. …”
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  12. 532

    Evaluation of the Mechanical Properties of AA 6063 Processed by Severe Plastic Deformation by Jafarlou, Davoud Mashhadi

    Published 2015
    “…HA of AA6063 increased the fatigue and fretting fatigue lives of SPD + HT-processed samples at low cycle by 15.5 and 18.4 pct respectively; however, at high cycle, HA had reverse effects, whereby the fatigue and fretting fatigue lives of SPD + HT-processed samples decreased by 16.7 and 30 pct, respectively.…”
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  13. 533

    Prospects Of Amino Acids And Ionic Liquids As Natural Gas Hydrate Inhibitors For Offshore Flow Assurance by Qureshi, M. Fahed Aziz

    Published 2018
    “…The results show that the selected amino acids and ionic liquids exhibit dual functional behaviour by providing the temperature shift of around 1.5-2.3 oC and delaying the hydrate formation time from 0.5-1.5 hr. …”
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  14. 534

    Pharmacoeconomic evaluation of voriconazole vs. liposomal amphotericin B in empiric treatment of invasive fungal infections in Turkey by Turner, Stuart J.

    Published 2013
    “…The current pharmacoeconomic evaluation investigated the use of liposomal amphotericin B (LAmB) and voriconazole for the empiric treatment of IFI in the Turkish setting.Methods: Decision analytic modelling was used to create a pathway for patient treatment with a 5-point composite outcome measure. …”
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  15. 535

    The impact of intermittent fasting during Ramadan on psychomotor and cognitive skills in adolescent athletes by Bougrine, Houda

    Published 2024
    “…Methods: To achieve this purpose, a cohort of 23 female handball players, aged 17.2 ± 0.5 years, participated in a series of six testing sessions: one conducted prior to Ramadan (R0), and others during the first (R1), second (R2), third (R3), and fourth (R4) weeks of Ramadan, followed by a session in the week after Ramadan (R5). …”
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  16. 536

    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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  17. 537

    Development of Inorganically Cross-Linked Sulfonated Polyacrylamide Preformed Particle Gels for Conformance Control: Impact of Anionic Groups by Elaf, Reem

    Published 2024
    “…Notably, aluminum-based PPGs exhibit slow swelling kinetics, taking over 5 h. Furthermore, results showed that high cross-linker concentrations and increased salinity are associated with decreased PPG swelling ratios but enhanced mechanical strength. …”
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  18. 538

    Inter-annual variability and distribution of aerosols during winters and aerosol optical thickness over Northeastern Pakistan by Shahid, M. Z.

    Published 2020
    “…ir pollution during winters over north-eastern (NE) Pakistan (71–74.5 E, 28–34 N) is a major challenge that affects human health, climate and daily life. …”
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  19. 539

    Physico-mechanical Properties of Sustainable Building Material Based Gypsum and Recycled Polyethylene Waste by Amina, Djoudi

    Published 2023
    “…Results proved the positive effect of the introducing of PET particles in the matrix of gypsum mortar, the lightening of this material but a decrease of mechanical properties was recorded comparing in to reference without polyethylene particles. …”
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  20. 540

    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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