يعرض 361 - 380 نتائج من 577 نتيجة بحث عن '(((((( time decrease ) OR ( ties increase ))) OR ( peer decrease ))) OR ( mean decrease ))*', وقت الاستعلام: 0.10s تنقيح النتائج
  1. 361

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

    منشور في 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. 362
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  4. 364

    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... حسب Muna Abed Alah (18171346)

    منشور في 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. 365

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

    منشور في 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. 366

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

    منشور في 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. 367

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

    منشور في 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. 368

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

    منشور في 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. 369

    The Global Economic crisis & organisation change: case studies in the UAE حسب Al Hashemi, Khalid

    منشور في 2009
    "…All of these elements should tie together in order to assure the existence of the company as a main target & then the expansion of the operation which means an increase in the profit. …"
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  10. 370

    Organizational Change Management: A study on the need for a re-structured organization within a functional configuration حسب Al Marzouqi, Abdulla Ibrahim Abdulla

    منشور في 2009
    "…Then, critical factors that might lead to choosing one form of structure over the others will be discussed by deciding about how to tie projects to the parent organization and how to organize the project teams. …"
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  11. 371

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

    منشور في 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. …"
  12. 372

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

    منشور في 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. …"
  13. 373

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

    منشور في 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. …"
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    Vitamin D association with coagulation factors in polycystic ovary syndrome is dependent upon body mass index حسب Abu Saleh Md Moin (6189512)

    منشور في 2021
    "…In addition, coagulation variables such as thrombin-activatable fibrinolysis inhibitor, plasminogen activator inhibitor-1 (PAI-1), D-dimer, Antithrombin and thrombomodulin have been reported to be elevated in PCOS compared to control subjects, and the functional coagulation tests including prothrombin time, thrombin time and fibrin degradation products may be predictive of PCOS. …"
  16. 376

    Outcomes of POCUS‐Guided Peripheral Intravenous Access in Difficult Venous Access Patients: A Systematic Review and Meta‐Analysis حسب Hany A. Zaki (17337673)

    منشور في 2025
    "…A systematic review of 15 studies with 1485 patients, sourced from five databases, including PubMed, Cochrane Library, MEDLINE, Web of Science, and Google Scholar, showed POCUS significantly improved success rates (OR: 4.25), first‐attempt success (OR: 5.31), reduced attempts (MD: −0.83), and decreased procedure time (MD: −9.75 min). Fewer complications (OR: 0.49) observed with POCUS compared to standard techniques. …"
  17. 377

    Wild carrot pentane-based fractions suppress proliferation of human HaCaT keratinocytes and protect against chemically-induced skin cancer حسب Shebaby, Wassim N.

    منشور في 2017
    "…Results All fractions exhibited significant cytotoxicity, with HaCaT cells being 2.4–3 times less sensitive than HaCaT-ras A5 (benign tumorigenic), and HaCaT-ras II4 (malignant) cells. …"
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  18. 378

    Fixed Shading Scenarios to Optimize Lighting Performance and Energy Efficiency in Office Buildings Case Study of Dubai Design District حسب Hamad, Khadije

    منشور في 2021
    "…The daylight analysis was conducted on one typical office space during three timings, 9:00 am, 12:30, and 17:00, on two dates, 21st of December and 21st of June, to check variations. …"
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  19. 379

    Computation of Power Extraction From Photovoltaic Arrays Under Various Fault Conditions حسب Azhar Ul-Haq (16875948)

    منشور في 2020
    "…It becomes evident from the presented results that optimal reconfiguration of PV arrays can increase the power extraction from PV system with reduced number of P-V peaks. …"
  20. 380

    A Comprehensive Method of Ion Exchange Resins Regeneration and Its Optimization for Water Treatment حسب Al-Asheh, Sameer

    منشور في 2020
    "…Water conductivity, as an indicator of regeneration efficiency, was monitored over time at the different conditions and scenario. In general, it was observed that the conductivity decreases with time until one point is reached and then starts to increase as a result of resin saturation. …"
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    bookPart