يعرض 481 - 500 نتائج من 975 نتيجة بحث عن '(( 15 c decrease ) OR ( 5 ((step decrease) OR (((mean decrease) OR (a decrease)))) ))', وقت الاستعلام: 0.17s تنقيح النتائج
  1. 481
  2. 482

    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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  3. 483
  4. 484
  5. 485

    Differentiation of human olfactory bulb-derived neural stem cells toward oligodendrocyte. حسب Marei, Hany E

    منشور في 2018
    "…The differentiation medium, containing cAMP, PDGFA, T3, and all-trans-retinoic acid (ATRA), promotes OBNSCs to generate mostly oligodendrocytes (OLs) displaying morphological changes, and appearance of long cytoplasmic processes. OBNSCs showed, after 5 days in OLs differentiation medium, a considerable decrease in the number of nestin positive cells, which was associated with a concomitant increase of NG2 immunoreactive cells and few O4(+)-OPCs. …"
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  6. 486
  7. 487

    Biodegradable polysaccharide grafted polyacrylamide inhibitor for corrosion in CO2- saturated saline solution حسب Jalab, Rem

    منشور في 2023
    "…Lastly, potentiostatic testing of steel with AGGPAM at an applied potential of 50 mV illustrated surface protection and decreased current over a prolonged time. …"
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  8. 488

    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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  9. 489

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

    منشور في 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. 490

    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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  11. 491
  12. 492
  13. 493
  14. 494

    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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  15. 495

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

    منشور في 2022
    "…The compression strength for all the samples had almost a constant value of 64 ± 0.5 MPa. Our fabrication method has the benefits of a low-cost, simple, and quick process paired with better thermal and mechanical properties, making it a good prospect for bismuth telluride thermoelectrics.…"
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  16. 496

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

    منشور في 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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  17. 497
  18. 498

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

    منشور في 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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  19. 499

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

    منشور في 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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  20. 500

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

    منشور في 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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