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361
Advancing OAM-Based FSO Systems: Tackling Pointing Errors for Next-Generation Space and Terrestrial Links
Published 2025“…<p dir="ltr">Orbital Angular Momentum (OAM)-based Free-Space Optical (FSO) communication systems offer immense potential for high-capacity, secure links, but their performance is highly sensitive to pointing errors. …”
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362
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363
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...
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. …”
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364
Independent and Combined Effects of Antioxidant Supplementation and Circuit Resistance Training on Selected Adipokines in Postmenopausal Women
Published 2019“…Participants in experimental groups either performed CRT (3 sessions per week with intensity at 55% of one-repetition maximum) or supplemented with Zataria Multiflora (500 mg every day after breakfast with 100 ml of water), or their combination, for 8 weeks. …”
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365
Do Older Adults with Multimorbidity Meet the Recommended Levels of Physical Activity? An Analysis of Scottish Health Survey
Published 2019“…Also, meeting recommended PA decreased with age [OR 0.92 (95% CI 0.90–0.94)] and body mass index [OR 0.93 (95% CI 0.91–0.95]; but increased per additional portion of fruit and vegetables taken [OR 1.19 (95% CI 1.12–1.25)] and with increase in well-being scale score [OR 1.05 (95% CI 1.03 to 1.06)]. …”
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366
Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study
Published 2024“…Preoperative color Doppler ultrasonography revealed absent or decreased testicular blood flow in the affected testes in 7/8 of patients. …”
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367
COVID-19 biomarkers for severity mapped to polycystic ovary syndrome
Published 2020“…These protein panels target biological processes involved in vessel damage, platelet degranulation, the coagulation cascade and the acute phase response [1], with greater protein changes dependent on the COVID-19 severity. …”
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368
New media and new practices of exploitation
Published 2015“…While Google controls 84.7% of search engine market, it is not a condition free of charge. Users share serious amount of information with google for the exchange of the services they think they use free of charge. …”
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369
Coping mechanisms among Lebanese first-time college students
Published 2012“…Strategies xiv used varied with the type of situation. A greater proportion of overall strategies used included active and internal coping strategies which were focused on resolving the issue or problem. …”
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370
A 5-year trend in the use of sodium-glucose co-transporter 2 inhibitors and other oral antidiabetic drugs in a Middle Eastern country
Published 2022“…The trend among SGLT2is suggests greater preference for empagliflozin over dapagliflozin.…”
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371
Metabolic comparison of polycystic ovarian syndrome and control women in Middle Eastern and UK Caucasian populations
Published 2020“…UK PCOS women had a higher body mass index, systolic and diastolic blood pressures, triglycerides (p < 0.01), whilst Middle Eastern PCOS women showed increased testosterone, free androgen index, HDL and CRP (P < 0.01). …”
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372
Prevalence and Predictors of Insulin Resistance in Non-Obese Healthy Young Females in Qatar
Published 2020“…Prevalence of insulin resistance in non-obese healthy females from Qatar ranges between 7% and 37% and increases with BMI. Overall, predictors of insulin resistance in the Qatari population are triglycerides/high-density lipoprotein (HDL) ratio and free fat mass but vary according to the BMI group. …”
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373
Raising breast cancer awareness
Published 2015“…In the Arab world, however, its incidence has increased in the past 24 years, with women being diagnosed at more advanced stages of the disease. …”
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374
Paracrine Mechanisms of Mesenchymal Stromal Cells in Angiogenesis
Published 2020“…<p dir="ltr">The role of the mesenchymal stromal cell- (MSC-) derived secretome is becoming increasingly intriguing from a clinical perspective due to its ability to stimulate endogenous tissue repair processes as well as its effective regulation of the immune system, mimicking the therapeutic effects produced by the MSCs. …”
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375
Evaluation of the efficiency of ionic liquids in the demulsification of oil-in-water emulsions
Published 2021“…Recycling the ILs can be enhanced by reestablishing the IL anion part using water-free inversed ion exchange mixed with salts. The results suggest that ILs can be an appropriate substitute for commercial demulsifiers. …”
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376
Microwave-synthesized composite preformed particle gels based on tragacanth gum and palygorskite for high-salinity high-temperature conditions
Published 2025“…In this study, hybrid composite PPGs were synthesized using tragacanth gum (TG), a biodegradable polysaccharide, grafted with acrylamide (AM) and crosslinked with <i>N</i>, <i>N</i>′-methylene bisacrylamide (MBA) in the presence of palygorskite (Pal) clay sourced from Qatar's Midra Shale. A microwave-assisted free-radical polymerization technique facilitated the rapid formation of gel particles with well-integrated organic-inorganic networks. …”
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377
Waste to energy: Facile, low-cost and environment-friendly triboelectric nanogenerators using recycled plastic and electronic wastes for self-powered portable electronics
Published 2022“…On the other hand, the increasing consumption of fossil energy is further damaging our environment. …”
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378
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380
Removal of Hexavalent Chromium from Wastewater using Modified Multiwall Carbon Nanotubes
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doctoralThesis