يعرض 1 - 20 نتائج من 63 نتيجة بحث عن '(( 5 ppm decrease ) OR ((( 59 a decrease ) OR ((( _ west decrease ) OR ( _ dc decrease ))))))*', وقت الاستعلام: 0.19s تنقيح النتائج
  1. 1

    Hypoxic Stress Induces Complement-Mediated Lysis of Mesenchymal Stem Cells by Downregulating Factor H and CD59 حسب Ramada R. Khaswaneh (22224544)

    منشور في 2024
    "…<h3>Background</h3><p dir="ltr">Factor H and membrane inhibitor of reactive lysis (CD59) are key regulators of complement activation. …"
  2. 2

    Non-Isolated DC–DC Power Converter With High Gain and Inverting Capability حسب Mohammad Meraj (16855401)

    منشور في 2021
    "…The proposed converter can be applied as an input boost up the stage for low voltage battery energy storage systems, photovoltaic (PV) and fuel cell (FC) based DC-AC applications. The anticipated topology consists of the two low voltage rating switches. …"
  3. 3

    Design and analysis of PV fed high-voltage gain DC-DC converter using PI and NN controllers حسب Madisa V.G., Varaprasad

    منشور في 2022
    "…In this article, a modified High-Voltage DC-DC converter was explained. The main intention of the modified converter is to decrease the reverse recovery currents and voltage stress across the switch, similarly, it generates high voltage at the converter output. …"
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  4. 4

    A Quadratic Non-Isolated High Step-Up Single-Input Dual-Output DC–DC Topology Based on Coupled Inductors with Low Input Current Ripple حسب Vafa Marzang (17347048)

    منشور في 2025
    "…<p dir="ltr">This paper presents a new flexible high step-up DC-DC converter based on coupled inductors (CI), which operates as a Single-Input Dual-Output (SIDO) or Single-Input Single-Output (SISO) converter. …"
  5. 5

    A Power Ripple Compensator for DC Nanogrids via a Solid-State Converter حسب Ahmad Khan (6067526)

    منشور في 2020
    "…<h3>Abstract</h3><p dir="ltr">This paper presents a method for improving the reliability of DC nanogrids by decreasing the input capacitance requirement. …"
  6. 6

    Allelopathic Effects of the Invasive Prosopis juliflora (Sw.) DC. on Native Plants: Perspectives toward Agrosystems حسب Shazia Bibi (16500318)

    منشور في 2023
    "…<p dir="ltr">Prosopis juliflora (Sw.) DC. Is highly recognized for its invasive character and its detrimental effects on different plant species across the world. …"
  7. 7

    Probing deposition temperature effects and computational analysis of DC-sputtered tungsten (W) thin films for CZTS based solar cells حسب M.I. Hossain (22303861)

    منشور في 2025
    "…<p dir="ltr"><u>Tungsten</u> (W) <u>thin films</u> were deposited onto pre-cleaned soda-lime <u>glass substrates</u> at temperatures ranging from room temperature to 400 °C using DC <u>magnetron</u> sputtering. This <u>deposition process</u> was conducted to investigate how varying<u> substrate temperatures</u> affect the films' crystallographic, morphological, and <u>electrical characteristics</u>. …"
  8. 8
  9. 9

    Appropriateness of gentamicin therapeutic drug monitoring at a Middle Eastern tertiary hospital setting: a retrospective evaluation and quality audit حسب Fatima Khalifa Al-Sulaiti (14152056)

    منشور في 2024
    "…</p><h3>Objective</h3><p dir="ltr">This study aimed to evaluate the appropriateness of gentamicin therapeutic drug monitoring (TDM) at a tertiary care hospital in Qatar.</p><h3>Methods</h3><p dir="ltr">A one-year quantitative retrospective chart review of all gentamicin TDM records was conducted. …"
  10. 10

    Ultra-low thermal conductivity in scheelite and A-deficient scheelite ceramics حسب Bsaibess, Eliane

    منشور في 2021
    "…BaMoO ceramic has shown a decrease in thermal conductivity from 0.8 W m K to 0.65 W m K from 400 K to 650 K. …"
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  11. 11

    Sleeping habits during COVID-19 induced confinement: A study from Jordan حسب Mahmoud A. Alomari (14780446)

    منشور في 2021
    "…Majority of the participants (53–59%) reported an increase in most of the sleep parameters except a decrease (49.1%) in daytime sleep. …"
  12. 12

    Epidemiological and clinical characteristics of fall-related injuries: a retrospective study حسب Ahammed Mekkodathil (4578838)

    منشور في 2020
    "…We aimed to describe the epidemiological and clinical characteristics of fall-related injuries in a level 1 trauma center.</p> <h2>Method</h2> <p>A retrospective analysis of Qatar Trauma Registry data was conducted on patients admitted for fall-related injuries between 2010 and 2017. …"
  13. 13

    Association Between Serum Bicarbonate Levels and Prediabetes and Subclinical Inflammation in Young Healthy Adults: A Cross-sectional Study حسب Abeer A Omar (21623774)

    منشور في 2023
    "…</p><h3>Results</h3><p dir="ltr">A total of 825 participants with mean age 29.2 years (5.9) of which 365 (44.2%) were males. …"
  14. 14

    Predictors of mortality and morbidity in critically ill COVID‐19 patients: An experience from a low mortality country حسب Mohamad Y. Khatib (11659459)

    منشور في 2022
    "…We sought to determine these in a large cohort of critically ill COVID-19 patients in Qatar and explore the early mortality predictors. …"
  15. 15

    Optimal management, prevalence, and clinical behavior of saddle pulmonary embolism: A systematic review and meta-analysis حسب Fateen Ata (12217764)

    منشور في 2022
    "…AC, TT, ST, and PT are all associated with decreased odds of death from SPE.</p><h2>Other Information</h2><p dir="ltr">Published in: Thrombosis Research<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.thromres.2022.07.013" target="_blank">https://dx.doi.org/10.1016/j.thromres.2022.07.013</a></p>…"
  16. 16

    Impact of the COVID-19 lockdown on lifestyle behaviors and their association with personality among adults in Qatar: A cross-sectional study حسب Tamara Al-Abdi (8710488)

    منشور في 2022
    "…There was an increase in olive oil (9% vs. 12%; p < 0.001), vegetables (54.3% vs. 58.7%; p = 0.005), legumes (11.8% vs. 15.3%; p = 0.007), sofrito (70.9% vs. 77.3%; p < 0.001) and fat (45.9% vs. 53.8%; p < 0.001) consumption and a decrease in fresh fruit (39.4% vs. 15.8%; p < 0.001) and fish/seafood (5.9% vs. 3.9%; p = 0.0035) consumption during lockdown. …"
  17. 17

    Diffusion tensor imaging with tractography in surgical resection of brainstem cavernous malformations: a systematic review and meta-analysis حسب Mohammed Maan Al-Salihi (13105835)

    منشور في 2023
    "…The utilization of preoperative diffusion tensor imaging significantly increased the proportion of improved patients and decreased the proportion of worsened patients. However, further controlled research is needed to draw a definite conclusion about the usefulness of its role.…"
  18. 18

    Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study حسب Zlatan Zvizdic (9212371)

    منشور في 2024
    "…</p><h2>Other Information</h2><p dir="ltr">Published in: The American Journal of Emergency Medicine<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" target="_blank">http://creativecommons.org/licenses/by/4.0/</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1016/j.ajem.2024.05.010" target="_blank">https://dx.doi.org/10.1016/j.ajem.2024.05.010</a></p>…"
  19. 19

    Temporal patterns of cancer burden in Asia, 1990–2019: a systematic examination for the Global Burden of Disease 2019 study حسب Rajesh, Sharma

    منشور في 2024
    "…BackgroundCancers represent a challenging public health threat in Asia. This study examines the temporal patterns of incidence, mortality, disability and risk factors of 29 cancers in Asia in the last three decades. …"
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  20. 20

    Exergames versus self-regulated exercises with instruction leaflets to improve adherence during geriatric rehabilitation: a randomized controlled trial حسب Peter Oesch (3572426)

    منشور في 2017
    "…<h3>Background</h3><p dir="ltr">Improving mobility in elderly persons is a primary goal in geriatric rehabilitation. Self-regulated exercises with instruction leaflets are used to increase training volume but adherence is often low. …"