Showing 581 - 600 results of 1,056 for search '(( 2 c decrease ) OR ( 5 ((fold decrease) OR (((mean decrease) OR (a decrease)))) ))', query time: 0.19s Refine Results
  1. 581

    Effects of Combined Calcium Hypochlorite and Chlorine Dioxide on Drinking Water Quality in Qatar and Disinfection by Products Formation by Mohamed, Elsamoul H.

    Published 2016
    “…The mixtures were stored for 7 days at 25°C in the dark then heated to 45°C for two days more, and analyzed daily for physical and chemical parameters. …”
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  2. 582
  3. 583

    Effect of the support on physicochemical properties and catalytic performance of cobalt based nano-catalysts in Fischer-Tropsch reaction by Ali, Sardar

    Published 2017
    “…Fischer-Tropsch reaction (FTS) was carried out in a fixed-bed microreactor (220 �C and 1 atm and with H2/CO = 2 v/v, SV of 12 L/g h). …”
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  4. 584

    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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  5. 585

    Advantageous Effects of Sumac Usage in Meatball Preparation on Various Quality Criteria and Formation of Heterocyclic Aromatic Amines by Savaş, Adem

    Published 2023
    “…Hereby, the effects of sumac usage (0.5%, w/w) in beef meatball preparation on the formation of HAAs and some quality parameters (water, pH, cooking loss, and lipid oxidation values) of meatballs cooked at 150 and 250 °C were investigated. …”
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  6. 586

    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 structure and surface elements distribution of synthesized materials were characterized using XRD, SEM, XPS, UV–vis and N2 adsorption-desorption experiment. 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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  7. 587

    Repositioning of the global epicentre of non-optimal cholesterol by Taddei, Cristina

    Published 2020
    “…These changes can have distinct effects on the levels of high-density lipoprotein (HDL) cholesterol and non-HDL cholesterol, which have different effects on human health4,5. However, the trends of HDL and non-HDL cholesterol levels over time have not been previously reported in a global analysis. …”
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  8. 588

    Study of performance, combustion, and emissions parameters of DI-diesel engine fueled with algae biodiesel/diesel/n-pentane blends by Elkelawy, Medhat

    Published 2021
    “…The carbon monoxide and oxygen concentrations of the exhaust gases also decreased by 17.35% and 9.5%, respectively compared to B50. …”
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  9. 589

    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
    “…The Mean age ±SD of participants is 24.80±18.5 years, among them 38.79% falls to age group 5-19 and 33.53% belongs to 20-44. …”
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  10. 590
  11. 591

    Mercury pollution in doha (Qatar) coastal environment by Al-Madfa, H.

    Published 1994
    “…m sediment fraction. There is a general trend for all Hg species determined in water and sediments to decrease seaward. …”
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  12. 592

    Preparation and characterization of new electrically conductive composites based on expanded graphite with potential use as remote environmental detectors by Prostredný, Martin

    Published 2020
    “…Decreasing the detector film thickness has caused an increase in the response rate but also a decrease in the signal measured. …”
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  13. 593
  14. 594

    Influence of the heteroatom on the optoelectronic properties and transistor performance of soluble thiophene-, selenophene- and tellurophene-vinylene copolymers by Al-Hashimi, Mohammed

    Published 2016
    “…The optical band gap of the polymers is shown to systematically decrease as the size of the heteroatom is increased, mainly as a result of a stabilization of the LUMO energy, resulting in a small band gap of 1.4 eV for P3TeV. …”
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  15. 595

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

    Published 2014
    “…The idea is to mix the extracted graphitic material with new binder materials e.g. o-phenylenediamine (C6H4(NH2)2), polyaniline or phosphorous (also a mixture of two or all of them) to increase the thermal and chemical stability and electrical conductivity of these new anodes compared to the currently used anodes in Qatalum (Qatalum uses 70% petroleum coke + 30% Coal Tar Pitch (CTP) as a binder). …”
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  16. 596

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

    Published 2014
    “…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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  17. 597

    Structural, wear and thermal behaviour of Cu–Al2O3–graphite hybrid metal matrix composites by Mittal, P.

    Published 2020
    “…Copper matrix composites with Al2O3–graphite reinforcement (0.5-0.5, 1.0-1.0, 1.5-1.5 and 2.0-2.0 wt%) were prepared by stir casting process. …”
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  18. 598

    Impact of Pulsed Dielectrophoretic Supply on the Function of Microorganisms in Membrane Bioreactors by Larbi B.

    Published 2018
    “…This study aims to investigate the effect of dielectrophoretic (DEP) force on microorganisms' viability in a membrane bioreactor (MBR). The impact of different electrical potentials (5-150 V) and different exposure durations (20-120 min) on the viability of microorganisms were studied. …”
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  19. 599

    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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  20. 600

    ELECTRODE SUSPENSION FOR AQUEOUS SODIUM FLOW BATTERY by MESLAM, MENTALLAH MOHAMED HASSANIN MOHAMED HASSANIN

    Published 2022
    “…Whilst those formulated in the saturated KB dispersions manifested a serious decrease in the conductivity at high load of NTO nanorods.…”
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