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601
A Brief Review on the Development Progress of High-Efficiency Klystrons
منشور في 2025"…<p dir="ltr">The linear beam ‘O’ type klystrons that feature very high output power (greater than several MW) with an efficiency level of 90% are considered in this study. …"
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602
Role of authentication factors in Fin-tech mobile transaction security
منشور في 2023"…Although authentication factors provide greater security than a simple static password, financial transactions have potential drawbacks because cybercrime expands the opportunities for fraudsters. …"
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603
Correlation analysis of global sagittal alignment of the spine in cases of low-grade degenerative lumbar spondylolisthesis
منشور في 2025"…</p><h3>Methods</h3><p dir="ltr">The patients with DS were categorized into three groups based on the adult spinal deformity classification: type I, defined by a SVA of less than 40 mm; type II, with an SVA ranging from 40 mm to 95 mm; and type III, where the SVA is 95 mm or greater. The study compared age and various sagittal parameters among these groups, including thoracic kyphosis (TK), lumbar lordosis (LL), sacral slope (SS), pelvic tilt (PT), and pelvic incidence (PI).…"
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604
Tailored nanofiber composites for a flexible piezoelectric nanogenerator: Poly(vinylidene fluoride) with BaTiO<sub>3</sub>/NiFe<sub>2</sub>O<sub>4</sub>
منشور في 2024"…<p dir="ltr">Owing to the depletion of fossil fuel energy and the pollution caused by chemical batteries, as well as the growing number of electronic devices and the Internet of Things (IoT), there is a greater demand for power devices that are lightweight, inexpensive, durable, and sustainable. …"
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605
Influenza prevalence and vaccine efficacy among diabetic patients in Qatar
منشور في 2023"…Among the typed IVA-positive cases, 33.4% were H1N1, and 7.7% were H3N2. A significant decrease in influenza infections was reported in vaccinated DM patients (14.5%) when compared to non-vaccinated patients (18.9%) (p-value = 0.006). …"
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article -
606
Changes in Blood microRNA Expression and Early Metabolic Responsiveness 21 Days Following Bariatric Surgery
منشور في 2019"…Normalization of fasting glucose and HbA1c following bariatric surgery (short-term diabetes remission) was defined as withdrawal of anti-diabetic medication and fasting glucose < 100 mg/dL (5.6 mmol/L) or HbA1c < 6.0%. MicroRNA expression was determined by quantitative polymerase chain reaction and tested for significant changes after surgery.…"
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607
The effect of soft background music, Mozart music, on the three levels of students' engagement. (c2016)
منشور في 2016"…The ABAB design was used to examine the effect of Mozart music on engagement. The following five instruments were used: SESQ-ENG, TERF-N, semi-structured interviews with the teachers, focus group interviews with the students, and observations. …"
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masterThesis -
608
Wales’ tourists not a burden for local healthcare
منشور في 2016"…<p>Researchers in southern Wales reviewed nine-years-worth of hospital data and found non-Welsh residents accounted for only 0.5% of unintentional injuries presenting to an emergency department.…"
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609
Effect of speed and gradient on plantar force when running on an AlterG® treadmill
منشور في 2021"…Gradient made little difference except for a downhill grade of − 5% decreasing force peaks as compared to level or uphill running.…"
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610
The effect of a sand surface on physical performance responses of junior male handball players to plyometric training
منشور في 2020"…Both PS and P increased vertical jump performance (squat jump, p = 0.005; ES = 0.170; counter-movement jump p < 0.001; ES = 0.247). …"
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611
Andrographolide pre-treatment enhances the anti-tumor activity of topotecan on acute myeloid leukemia cells in vitro
منشور في 2016"…Apoptosis induction was measured using Annexin V/PI staining. Results: When applied separately, topotecan and andrographolide both exhibited anti-proliferative effects in a dose-dependent manner. …"
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article -
612
There Is Selective Increase in Pro-thrombotic Circulating Extracellular Vesicles in Acute Ischemic Stroke and Transient Ischemic Attack: A Study of Patients From the Middle East an...
منشور في 2019"…Compared to controls, there was also an increase in EVs derived from activated endothelial cells, platelets, granulocytes, leukocytes, and pro-coagulant EVs (Annexin V<sup>+</sup>) at 5 and 30-days following the acute events, while a decrease was observed in erythrocyte-derived EVs. …"
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613
Design of an integrated system that combines the steam gasification of plastic waste and a solid oxide fuel cell for sustainable power generation
منشور في 2024"…Optimal conditions are met at gasifier temperature of 973 K, steam/feed ratio of 1.5, and CaO/feed ratio of 1. Moreover, using H<sub>2</sub> flow rates to assess SOFC performance reveal increasing activation and ohmic losses (0.04 to 0.09 V and 0 to 0.28 V) with a temperature increase (973–1473 K), while concentration losses decreased (0–0.10 V). …"
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614
Electrically conductive hybrid organic crystals as flexible optical waveguides
منشور في 2022"…The elements respond rapidly to temperature by curling or uncurling in about 0.2 s, which in one typical case corresponds to exceedingly fast deformation and recovery rates of 2187.5° and 1458.3° , respectively. In cyclic operation mode, their conductivity decreases less than 1% after 10,000 thermal cycles. …"
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615
A potential therapeutic agent for sickle cell anaemia
منشور في 2016"…They also found increased levels of ROS that were associated with decreased levels of antioxidant enzymes and their co-factors.…"
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616
Ambulatory general urgent clinic: an initiative at the time of COVID-19 pandemic
منشور في 2024"…Our quality improvement study aimed to decrease the waiting time by 20%, from 21 days in January 2021 to 14 days in April 2021, to evaluate the newly established clinics for urgent referrals during the COVID-19 pandemic, and to assess the physicians’ satisfaction regarding these clinics.…"
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617
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618
An Experimental Investigation of R134a Clathrates with Liquid Additives
منشور في 2016احصل على النص الكامل
doctoralThesis -
619
The effectiveness of divalent cation addition for highly saline activated sludge cultures: Influence of monovalent/divalent ratio and specific cations
منشور في 2021"…It was particularly important in describing hydrophobicity, sludge volume index (SVI) and specific oxygen uptake rate (SOUR), with r<sub>partial </sub>of 0.879, 0.971 and 0.966 respectively in models that had an r<sup>2</sup><sub>adj</sub> greater than 0.93. Lower M/D also increased biomass concentrations and reduced extracellular polysaccharides, the latter which in turn correlated strongly with many shape and surface charge measures. …"
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620
Can pedestrians safely navigate shared sidewalks with e-scooters and bicycles? A behavioral analysis using surrogate safety measures
منشور في 2025"…As the speed of micro-mobility vehicle increases, pedestrian initiates avoidance at progressively greater distance and experience heightened perceived risk. …"