يعرض 561 - 580 نتائج من 1,056 نتيجة بحث عن '(( 2 c decrease ) OR ( 5 (((meer OR peter) decrease) OR (((nn decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.18s تنقيح النتائج
  1. 561

    Emerging clay-aryl-gold nanohybrids for efficient electrocatalytic proton reduction حسب Jlassi, Khouloud

    منشور في 2018
    "…Both nanohybrids showed efficient electrochemical activity for HER in acidic condition (0.1 M H2SO4) with high current density up to −25 mA.cm−2 at −1 V and 0.148 mV onset. Negligible decreasing in current density and slight shift in onset was observed after 1000 cycles. …"
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  2. 562

    Evaluation of different personalized ventilation air terminal devices: Inhalation vs. clothing-mediated exposures حسب Al Assaad, Douaa

    منشور في 2021
    "…Increasing the flow to 10 l/s led to reductions of 89% in exposure and 56.5% in deposition. A VDG delivering 5 l/s reduced exposure by 33% while deposition reduction was negligible at 3%. …"
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  3. 563
  4. 564

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

    منشور في 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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  5. 565
  6. 566

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

    منشور في 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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  7. 567
  8. 568

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

    منشور في 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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  9. 569

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

    منشور في 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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  10. 570

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

    منشور في 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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  11. 571

    Developing pretreatment methods to promote the production of biopolymer and bioethanol from residual algal biomass (RAB) حسب Fares, AlMomani

    منشور في 2022
    "…The maximum bioethanol production (Mbio−ethP) of 0.950 ± 0.005 mL/gRAB was achieved using microalgae pretreated with Mv-H2O2-Fe-PT and incubated at pH = 5.5 and 37 °C. …"
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  12. 572

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

    منشور في 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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  13. 573

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

    منشور في 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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  14. 574
  15. 575

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

    منشور في 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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  16. 576
  17. 577
  18. 578

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

    منشور في 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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  19. 579

    EPIDEMIOLOGY OF CHLAMYDIA TRACHOMATIS IN LATIN AMERICA AND THE CARIBBEAN: SYSTEMATIC REVIEW, META-ANALYSES, AND META-REGRESSIONS حسب ABU-EL-RUZ, RASHA

    منشور في 2022
    "…Background: Chlamydia trachomatis (CT) is a Sexually Transmitted Disease (STD); it leads to health complications and infertility if not treated. …"
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  20. 580

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

    منشور في 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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