يعرض 381 - 400 نتائج من 1,032 نتيجة بحث عن '(( 50 ((ms decrease) OR (a decrease)) ) OR ((( a n decrease ) OR ( a system decrease ))))*', وقت الاستعلام: 0.24s تنقيح النتائج
  1. 381

    Study of diesel-biodiesel blends combustion and emission characteristics in a CI engine by adding nanoparticles of Mn (II) supramolecular complex حسب Elkelawy, M.

    منشور في 2020
    "…The supramolecular complex (SC1) [Mn(EIN)4(NCS)2] was synthesized and characterized as a new nanosized emulsion additive to improve the fuel incineration and emission formation behavior of a diesel-biodiesel blends-fueled CI engine. …"
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  2. 382

    Experimental and theoretical studies on the mechanical and structural changes imposed by the variation of clay loading on poly(vinyl alcohol)/cloisite 93A nanocomposites حسب Kabalan L.

    منشور في 2019
    "…Young modulus calculated theoretically follows the same experimental trend where an increase of the values has been observed with a clay loading up to 3 wt%, followed by a decrease of the values for higher clay loading. …"
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  3. 383
  4. 384
  5. 385
  6. 386

    Mitigating soil water deficit using organic waste compost and commercial water retainer: a comparative study under semiarid conditions حسب Zgallai, Hatem

    منشور في 2023
    "…This drought stress constitutes the main constraint for agricultural production improvement, which is aggravated by the fact that strategic (field) crops are mostly grown under rainfed systems. Therefore, the objective of this field study was to improve soil water retention by the application of two conditioners namely, an organic waste compost (DS) and a synthetic water-retaining hydrogel (WS). …"
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  7. 387

    Evaluating the Effectiveness of Pretreatment With Intravenous Fluid in Reducing the Risk of Developing Contrast-Induced Nephropathy: A Systematic Review and Meta-Analysis. حسب Zaki, Hany A

    منشور في 2022
    "…Studies have shown that several measures such as using low osmolar contrast media, N-acetylcysteine, intravenous sodium bicarbonate, and hydration through oral or intravenous fluid administration play a significant role in CIN incidence reduction. …"
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  8. 388
  9. 389
  10. 390

    The Role of Demographic and Clinical Characteristics in Distinguishing Testicular Torsion from Torsion of the Appendix Testis: A Single-center Retrospective Study حسب Zvizdic, Zlatan

    منشور في 2023
    "…The acute scrotum (AS) in the pediatric population is a medical emergency. AS is usually caused by testicular torsion (TT) and torsion of the appendix testis (TAT). …"
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  11. 391
  12. 392

    A hybrid piezoelectric-electromagnetic energy harvester from vortex-induced vibrations in fluid-flow; the influence of boundary condition in tuning the harvester حسب Muthalif, Asan G.A

    منشور في 2022
    "…The hybrid piezoelectric-electromagnetic harvester combines the two electromechanical transduction mechanisms through the bluff body excited by VIV: piezoelectric macro-fiber composite and an electromagnetic system. The piezoelectric composite is glued to a substrate beam to convert mechanical strain into electricity. …"
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  13. 393

    Impact of birth weight to placental weight ratio and other perinatal risk factors on left ventricular dimensions in newborns: A prospective cohort analysis حسب Gad, Ashraf

    منشور في 2024
    "…Chi-squared and one-way analysis of variance were used to compare BW/PW groups and the best regression model was selected using a genetic and backward stepwise algorithm. Results: We analyzed 827 neonates in three BW/PW groups: small (n=16), normal (n=488), and large (n=323). …"
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  14. 394

    Effective capacity of cognitive radio links: Accessing primary feedback erroneously حسب Butt M.M.

    منشور في 2014
    "…We study the performance of a cognitive system modeled by one secondary and one primary link and operating under statistical quality of service (QoS) delay constraints. …"
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  15. 395
  16. 396

    Seasonal weather conditions affect training program efficiency and physical performance among special forces trainees: A long-term follow-up study حسب Dhahbi W.

    منشور في 2018
    "…These training-cycles induced a significant increase (p<0.05) in the 70-seconds push-ups, pull-ups and sit-ups and a decrease (p<0.01) in the 5-km cross-country running time among all trainees. …"
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  17. 397

    RF-based drone detection and identification using deep learning approaches: An initiative towards a large open source drone database حسب Al-Sa'd, Mohammad F.

    منشور في 2019
    "…Three deep neural networks (DNN) are used to detect the presence of a drone, the presence of a drone and its type, and lastly, the presence of a drone, its type, and flight mode. …"
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  18. 398

    RF-based drone detection and identification using deep learning approaches: An initiative towards a large open source drone database حسب Al-Sa'd M.F.

    منشور في 2019
    "…Three deep neural networks (DNN) are used to detect the presence of a drone, the presence of a drone and its type, and lastly, the presence of a drone, its type, and flight mode. …"
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  19. 399

    Anticoagulant activity of cellulose nanocrystals from isora plant fibers assembled on cellulose and sio2 substrates via a layer-by-layer approach حسب Mohan T.

    منشور في 2021
    "…The multi-layered structure, adsorbed mass, conformational changes, and anticoagulant activity of sequen-tially deposited anionic (sulfated) CNCs and cationic polyethyleneimine (PEI) on the surfaces of cellulose and SiO2 by LBL deposition were investigated using a quartz crystal microbalance tech-nique. The organization and surface features (i.e., morphology, thickness, wettability) of CNCs ad-sorbed on the surfaces of PEI deposited at different ionic strengths (50-300 mM) of sodium chloride were analysed in detail by profilometry layer-thickness, atomic force microscopy and contact angle measurements. …"
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  20. 400

    Long-term performance analysis and power prediction of PV technology in the State of Qatar حسب Touati F.

    منشور في 2017
    "…This research aims to investigate PV performance for two years in the harsh environment of Qatar. For data collection, a wireless system has been developed to record critical parameters such as solar irradiance, relative humidity, ambient temperature, PV module temperature, dust, wind speed, and output PV power. …"
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