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Showing 421 - 440 results of 637 for search '(((((( time decrease ) OR ( peter decrease ))) OR ( main decrease ))) OR ( mean decrease ))*', query time: 0.14s Refine Results
  1. 421

    Sustainable Detoxification of Methylene Blue in Wastewater via Tea Residue Adsorption: Optimization and Kinetics by Farah F. Salameh (21797300)

    Published 2025
    “…The impact of various parameters on MB removal was assessed, including solution pH, adsorbent dosage, pollutant concentration, and contact time. Optimal conditions were identified as pH 10, a dosage of 4 g/L, a concentration of 100 mg/L, and a contact time of 2 h, achieving nearly 99% removal efficiency at 25 °C. …”
  2. 422
  3. 423

    Throughput of ARQ protocols over Rician, Nakagami and MIMO block fading channels by Zummo, Salam A.

    Published 2020
    “…Keywords: ARQ, throughput, error probability, fading channels, space-time, multiple antennas, transmit diversity, MIMO, Rician, Nakagami.…”
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  4. 424

    The Triple “S” Impact of COVID-19: Nationwide Evidence of the Impact of the Stress Associated With Restrictive Measures on Substance Use, Sleep, and Social Connectedness in Qatar... by Muna Abed Alah (18171346)

    Published 2023
    “…Of tobacco users in our sample, 36% reported increased tobacco use since the start of home confinement, while 41.6% of alcohol users reported decreased alcohol use. Concerning sleep, 46.1% reported an increase in average sleep duration per day (0.77 h mean increase, 95% CI: 0.66-0.88, P<0.001), and a third of participants reported poorer sleep quality. …”
  5. 425

    Healthcare Professionals' Attitudes Toward Patients With Mental Illness: A Cross-Sectional Study in Qatar by Suhaila Ghuloum (796180)

    Published 2022
    “…</p> <h3>Results</h3> <p>A total of 406 nurses and 92 doctors participated in the study. The nurses' mean MICA score was significantly higher than that of the physicians. …”
  6. 426

    Synergetic effects of dodecylamine-functionalized graphene oxide nanoparticles on antifouling and antibacterial properties of polysulfone ultrafiltration membranes by Abedalkader Alkhouzaam (15842647)

    Published 2021
    “…All membranes were characterized in terms of chemical structure, morphology, hydrophilicity, porosity and mean pore size. Cross-section SEM images showed the distribution of GO and rGO-DDA between the pores and on the polymer walls. …”
  7. 427

    Evaluating the impact of the Minimization of Aggression and Violence (MoAV) intervention on mechanical restraint use in Qatar's acute mental health setting by Ananth Nazarene (21239912)

    Published 2025
    “…The percentage of restrained patients decreased from 25 % to 4 %, p = (<0.001). The mean duration of restraint incidents slightly increased from 59.1 min in 2016 to 61.3 min in 2021, though this change was not statistically significant. …”
  8. 428

    Using Data Mining and Text Mining Techniques in Predicting the Price of Real Estate Properties in Dubai by Khashan, Deena Younis Abo

    Published 2014
    “…It is found that the results of linear regression prediction have been improved significantly after adding text mining to the experiments. The root mean squared errors RMSEs for all data subsets have decreased leading to enhancing the accuracy of prediction. …”
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  9. 429

    The Effect of Treated Waste-Water on Compaction and Compression of Fine Soil by Attom, Mousa

    Published 2016
    “…The main objective of this paper is to study the effect of treated waste-water (TWW) on the compaction and compressibility properties of fine soil. …”
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  10. 430

    Intravenous administration of gold nanoparticles in rats exhibit alterations in sphingomyelins, bile acids, sphingolipids, and cholesterol esters levels by Haya Al-Sulaiti (5449256)

    Published 2024
    “…Annotation of metabolites was determined by retention times and specific MRMs for each compound. Results indicate that AuNPs treatment significantly impacted several metabolic pathways. …”
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  12. 432

    The effect of Hydrogen Peroxide treatments on dental enamel porosity and protein structure and its long-term implications on tooth hardness and optical properties by Jelena Eric (21015107)

    Published 2025
    “…<h3>Objective</h3><p dir="ltr">The aim of this study is to investigate how hydrogen peroxide (HP) treatments affect enamel porosity and protein structure, as well as their impact on tooth shade and hardness over time. </p><h3>Methods</h3><p dir="ltr">Fifty healthy teeth were collected from adult patients. …”
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  14. 434

    Structural performance of buried prestressed concrete cylinder pipes with harnessed joints interaction using numerical modeling by Hajali, Masood

    Published 2016
    “…Broken prestressing wire wraps are the main cause of failure in buried prestressed concrete cylinder pipes (PCCP), which form the backbone of water and wastewater infrastructure networks in North America. …”
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  15. 435

    Effect of the number of broken wire wraps on the structural performance of PCCP with full interaction at the gasket joint by Hajali, M.

    Published 2016
    “…Broken prestressing wire wraps are the main cause of failure in prestressed concrete cylinder pipes (PCCP). …”
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  16. 436

    Pharmacist Role in Hypertension Management in the Community Setting: Questionnaire Development, Validation, and Application by Lama Soubra (11666333)

    Published 2023
    “…Pharmacists can play a substantial role in decreasing the burden of the disease.</p><h3>Purpose</h3><p dir="ltr">The primary aim of this study was to develop and validate a scale assessing the pharmacist role in hypertension management in the community pharmacy setting. …”
  17. 437

    Effects of habitat complexity on the abundance, species richness and size of darkling beetles (Tenebrionidae) in artificial vegetation by Bartholomew, Aaron

    Published 2016
    “…At the high levels of habitat complexity used in this study, the main effect of increasing complexity was excluding beetles from higher complexity treatments, particularly larger beetle species. …”
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  18. 438

    Heart Rate Variability Analysis Reveals a Non-monotonic Relationship between Humanin Concentration and Cardiac Autonomic Regulation by Feng, Samuel

    Published 2022
    “…Mitochondrial ATP production is the main source of reactive oxygen species (ROS) and hence the regulation of ROS becomes an important issue in maintaining optimal ANS functionality. …”
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  19. 439

    Trade Flow and Nation Brand Distance: A Structural Gravity Model Approach by AL BESHER, HUDA ISMAIL

    Published 2021
    “…The empirical findings shows that NBD influence both export and import volume in which less distant countries in term of nation brands are able to overcome the negative effect of geographical distance which can stimulates the export mainly and import flow to some extent. The results on the impact of NBD on FTA and trade flows provides some interesting insights as the there is a negative and significant moderation impact of NBD on the relationship between FTA and both export and import volume which suggest that a decrease of NBD will increase the effect of FTA on trade flow. …”
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  20. 440

    Peripheral inflammatory and metabolic markers as potential biomarkers in treatment-resistant schizophrenia: Insights from a Qatari Cohort by Mohamed Adil Shah Khoodoruth (14589828)

    Published 2024
    “…Multivariate analysis highlighted significant differences in platelet count, mean platelet volume (MPV), TG, HbA1c, BMI, neutrophil/lymphocyte ratio (NLR), monocyte/lymphocyte ratio (MLR), and ferritin among the groups. …”