يعرض 1 - 20 نتائج من 245 نتيجة بحث عن '(( 50 _ decrease ) OR ((( _ 20 decrease ) OR ((( 50 a decrease ) OR ( 50 we decrease ))))))', وقت الاستعلام: 0.14s تنقيح النتائج
  1. 1
  2. 2

    Ecotoxicological Assessment of Thermally- and Hydrogen-Reduced Graphene Oxide/TiO<sub>2</sub> Photocatalytic Nanocomposites Using the Zebrafish Embryo Model حسب Halema Al-Kandari (6316961)

    منشور في 2019
    "…H<sub>2</sub>RGOTi showed a NOEC similar to RGOTi. However, no significant mortality was detected at all concentrations used in the acutoxicity assay (up to1000 mg/L), thus indicating a hypothetical LC<sub>50</sub> higher than 1000 mg/L. …"
  3. 3
  4. 4

    Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex حسب Wesam S. Ahmed (10170053)

    منشور في 2022
    "…<p dir="ltr">Corrigendum: Decreased interfacial dynamics caused by the N501Y mutation in the SARS-CoV-2 S1 spike:ACE2 complex: Frontiers in Molecular Biosciences <a href="https://dx.doi.org/10.3389/fmolb.2022.846996" target="_blank">https://dx.doi.org/10.3389/fmolb.2022.846996</a>, published online 22 July 2022.…"
  5. 5
  6. 6

    School children growth monitoring program in the state of Qatar: Observations from two survey rounds in 2016–17 and 2019–20 حسب Mohammed H. Al‐Thani (21406742)

    منشور في 2023
    "…</p><h3>Results</h3><p dir="ltr">Overall, the proportion of overweight and obese category of students increased from 44% in 2016–17 to 49.3% in 2019–20 with a decrease in the proportion of students in normal BMI‐z‐score category (from 48.8% to 47.8%) and severe thinness and thinness category (from 7.3% to 3%) between two rounds of growth monitoring survey. …"
  7. 7

    Global, regional, and national stillbirths at 20 weeks' gestation or longer in 204 countries and territories, 1990–2021: findings from the Global Burden of Disease Study 2021 حسب Comfort, Haley

    منشور في 2024
    "…The estimated number of stillbirths occurring at 20 weeks' gestation or longer decreased from 5·08 million (95% UI 4·07–6·35) in 1990 to 3·04 million (2·61–3·62) in 2021, corresponding to a 39·8% (31·8–48·0) reduction, which lagged behind a global improvement in neonatal deaths of 45·6% (36·3–53·1) for the same period (down from 4·03 million [3·86–4·22] neonatal deaths in 1990). …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
    article
  8. 8

    Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov... حسب Salma, Younes

    منشور في 2023
    "…At the 7th month, there was a significant decline in antibody responses among VN individuals, but not NI individuals, with a minimum decrease of 3.7-fold (p < 0.001). Among VN individuals, anti-S1 IgA levels began to decrease significantly (1.4-fold; p = 0.007) after two months, and both NtAb and S-RBD IgG levels began to decline significantly (NtAb: 2.0-fold; p = 0.042, S-RBD IgG: 2.4-fold; p = 0.035) after three months. …"
    احصل على النص الكامل
    احصل على النص الكامل
    احصل على النص الكامل
    article
  9. 9

    Antibody‐based methods for the measurement of α‐synuclein concentration in human cerebrospinal fluid – method comparison and round robin study حسب Brit Mollenhauer (482499)

    منشور في 2018
    "…Several reasons can account for this variability, including technical ones, such as inter‐assay and inter‐laboratory variation (reproducibility). We compared four immunochemical methods for the quantification of α‐synuclein concentration in 50 unique CSF samples. …"
  10. 10

    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. …"
  11. 11

    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. …"
  12. 12

    Adult appendicitis score versus Alvarado score: A comparative study in the diagnosis of acute appendicitis حسب Mohamed Said Ghali (16810713)

    منشور في 2023
    "…In addition, AAS is found to decrease the need for radiological images and NA rate more than Alvarado</p><h2>Other Information</h2><p dir="ltr">Published in: Surgery Open Science<br>License: <a href="http://creativecommons.org/licenses/by/4.0/" rel="noreferrer" 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.sopen.2023.07.007" target="_blank">https://dx.doi.org/10.1016/j.sopen.2023.07.007</a></p>…"
  13. 13

    Chromogranin A‐positive hormone‐negative endocrine cells in pancreas in human pregnancy حسب Abu Saleh Md Moin (6189512)

    منشور في 2023
    "…<h2>Introduction</h2> <p>We sought to determine whether chromogranin A-positive hormone-negative (CPHN) endocrine cells are increased in the pancreas of pregnant women, offering potential evidence in support of neogenesis.…"
  14. 14

    Cost-benefit analysis of antimicrobial stewardship program in a cancer setting in Qatar حسب Dina Abushanab (10696501)

    منشور في 2024
    "…<h3>Background</h3><p dir="ltr">It is estimated that physicians prescribe antibiotics inappropriately in 50% of cases.1,2 We aimed to compare the economic advantage of mature antimicrobial stewardship program (ASP) versus premature ASP use in hematology and oncology settings in Qatar. …"
  15. 15

    Enhancing the corrosion resistance of reinforcing steel under aggressive operational conditions using behentrimonium chloride حسب A. Bahgat Radwan (9631720)

    منشور في 2019
    "…Using only a 50 μmol L<sup>−1</sup> of BTC, we are able to measure an inhibition efficiency of 91, 79, and 71% in SCP solution with 3.5% NaCl at pH of 12.5, 10 and 7, respectively without showing any effect on the mechanical properties on the cured mortars. …"
  16. 16

    Efficacy and safety of the newer oral hypoglycemic agents in patients with T2DM during Ramadan: A systematic review and meta-analysis حسب Hoda Gad (6470522)

    منشور في 2020
    "…Glucagon-like peptide (GLP-1) agonist therapy was associated with a significant decrease in Hb<sub>A1c</sub> (%) (SMD -0.68) and a non-significant decrease in weight (kg) (SMD -2.57) and systolic blood pressure (SBP) (mmHg) (SMD -3.50) after Ramadan. …"
  17. 17

    Occurrence and removal characteristics of phthalate esters from bottled drinking water using silver modified roasted date pits حسب Fedae A. Alhaddad (14152161)

    منشور في 2022
    "…The removal percentage was increased from 90 to 99% by increasing the temperature from 30 to 50 °C and then decreased to 92.3% at 60 °C.</p> <h2>Conclusion</h2> <p>RODP was successfully used as an effective adsorbent for phthalate esters removal from drinking water. …"
  18. 18

    Football-induced fatigue in hypoxia impairs repeated sprint ability and perceptual-cognitive skills حسب Samuel A. Pullinger (8154627)

    منشور في 2019
    "…</p><h3>Conclusion</h3><p dir="ltr">The data demonstrates the RS test was sensitive to fatigue/hypoxia for a given physical load. Simulated matches in hypoxia revealed larger decreases, in RS and perceptual-cognitive skills, highlighting the need for optimal acclimatisation strategies, including physical and technical preparation, prior to playing at altitude.…"
  19. 19
  20. 20

    The global burden of cancer attributable to risk factors, 2010–19: a systematic analysis for the Global Burden of Disease Study 2019 حسب Christopher J L Murray (18278781)

    منشور في 2022
    "…There were 2·88 million (2·60–3·18) risk-attributable cancer deaths in males (50·6% [47·8–54·1] of all male cancer deaths) and 1·58 million (1·36–1·84) risk-attributable cancer deaths in females (36·3% [32·5–41·3] of all female cancer deaths). …"