Showing 481 - 500 results of 974 for search '(( 12 c decrease ) OR ( 5 ((((wt decrease) OR (a decrease))) OR (nn decrease)) ))', query time: 0.27s Refine Results
  1. 481

    Effects of combined calcium hypochlorite and chlorine dioxide on drinking water quality in Qatar and disinfection by-products formation by Mohamed, Elsamoul H.

    Published 2017
    “…The bottles were spiked with Ca(ClO)2 in sequence to give concentration of 0.2, 0.4, 0.6, 0.8, 1.0, and 1.2 mg/L as free chlorine. 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. 482
  3. 483
  4. 484

    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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  5. 485

    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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  6. 486

    DC conductivity and Seebeck coefficient of nonstoichiometric MgCuZn ferrites by Madhuri, W.

    Published 2017
    “…Nonstoichiometric series of Mg0.5-xCuxZn0.5Fe1.9O4-? where x = 0.0, 0.1, 0.15, 0.2 and 0.25 has been synthesized by conventional solid state reaction route. …”
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  7. 487

    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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  8. 488

    Effects of soaking, acidity and temperature on cadmium and lead removal from rice by Al-Naimi M.

    Published 2020
    “…A decrease in lead and cadmium concentrations were observed with increasing time of soaking. …”
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  9. 489

    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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  10. 490
  11. 491

    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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  12. 492

    Fluorinated Benzofuran and Dihydrobenzofuran as Anti-Inflammatory and Potential Anticancer Agents by Ayoub, Abeer J.

    Published 2023
    “…Their IC50 values ranged from 1.2 to 9.04 µM for interleukin-6; from 1.5 to 19.3 µM for Chemokine (C-C) Ligand 2; from 2.4 to 5.2 µM for nitric oxide; and from 1.1 to 20.5 µM for prostaglandin E2. …”
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  13. 493

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

    Published 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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  14. 494
  15. 495

    Magneto-Mechanical and Thermal Properties of Nd-Fe-B-Epoxy-Bonded Composite Materials by Grujić, Aleksandar

    Published 2023
    “…This examination of synthesized Nd-Fe-B-epoxy composite materials includes the mutual comparison of impact toughness, fatigue, and the structural, thermal, dynamic-mechanical, and magnetic behavior of materials with different content of magnetic Nd-Fe-B particles, in a wide range from 5 to 95 wt.%. This paper tests the influence of the Nd-Fe-B content on impacting the toughness of the composite material, as this relationship has not been tested before. …”
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  16. 496
  17. 497

    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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  18. 498
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    Contrasting effects of necrotrophic and biotrophic plant pathogens on the aphid Aphis fabae by Al-Naemi, F.

    Published 2013
    “…However, sequential plant infection (pathogens applied 5 days apart) led to a 70% decrease in fecundity and 50% reduction in intrinsic rate of increase. …”
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