A nonlinear PID servo controller for computer hard disk drives حسب Hawwa, M.A.

"…A nonlinear PID scheme is proposed as an efficient hard disk drive servo controller, reducing the settling time and lowering the required control effort. The controller is capable of increasing (decreasing) damping effect when the system output is moving away from (towards) the desired track. …"
احصل على النص الكامل
احصل على النص الكامل

PROACT: Parallel multi-miner proof of accumulated trust protocol for Internet of Drones حسب Mershad, Khaleel

"…In addition, we propose a new blockchain consensus mechanism in which several miners produce their blocks in parallel, which decreases the time needed to add transactions securely to the blockchain and meets the requirements of delay-sensitive applications. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Kefir exhibits anti‑proliferative and pro‑apoptotic effects on colon adenocarcinoma cells with no significant effects on cell migration and invasion حسب Khoury, Nathalie

"…To assess the effect of kefir on cancer metastasis, wound‑healing and time‑lapse movies, in addition to collagen‑based invasion assay, were used. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Adopting Geophysical Testing Techniques in Geotechnical Investigation and Shallow Foundation Design حسب Amer, Mohammad

احصل على النص الكامل

Stabilization of Sandy Soil Against Internal Erosion Using Lime حسب Banu, Shaziya Ahmed

احصل على النص الكامل

Worldwide trends in blood pressure from 1975 to 2015: a pooled analysis of 1479 population-based measurement studies with 19·1 million participants حسب Bin, Zhou

"…Global age-standardised prevalence of raised blood pressure was 24·1% (21·4–27·1) in men and 20·1% (17·8–22·5) in women in 2015. Mean systolic and mean diastolic blood pressure decreased substantially from 1975 to 2015 in high-income western and Asia Pacific countries, moving these countries from having some of the highest worldwide blood pressure in 1975 to the lowest in 2015. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Simulation of the size-composition distribution of atmospheric nanoparticles over Europe حسب David Patoulias (4722960)

"…The ground level concentrations of particles with a diameter larger than 100 nm (N100) were reproduced with a daily normalized mean error of 40 % and a daily normalized mean bias of −20 %. …"

Chemical, rheological, and sensory properties of wheat biscuits fortified with local buckwheat حسب Ahmed Hussein (683680)

"…The additional increment enhanced the arrival time, dough development time, dough stability, the mixing tolerance index, and weakening. …"

Clinical characteristics and outcome of children with acute cryptorchid testicular torsion: A single-center, retrospective case series study حسب Zlatan Zvizdic (9212371)

"…The median age of patients at the time of the surgery was 65 months (interquartile range (IQR) 4–136 months). …"

Nonlinear Control of Brushless Dual-Fed Induction Generator With a Flywheel Energy Storage System for Improved System Performance حسب Mohammed Hamidat (3722086)

"…After optimization, the SMC settling time was significantly reduced from 0.7 seconds to 19.97 milliseconds, achieving a 96.9% improvement in response speed, while its steady-state error decreased from 0.48 to 0.06, marking an 87.5% reduction in tracking error. …"

Optimization of Vapor Compression Refrigeration Cycles with Clathrate Hydrates Thermal Energy Storage حسب Gadalla, Akram Mohamed

احصل على النص الكامل

Excess pCO2 and carbonate system geochemistry in surface seawater of the exclusive economic zone of Qatar (Arabian Gulf) حسب Connor, Izumi

"…CO2 is lost from the Gulf due to gas exchange, decreasing DIC, and reducing pCO2 to 464 μatm, similar to that observed. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Portfolio Selection Problem Using CVaR Risk Measures Equipped with DEA, PSO, and ICA Algorithms حسب Abdelouahed Hamdi (14158899)

"…It was found that when solving the Mean-CVaR model with evolutionary algorithms, the risk decreased. …"

Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar حسب Shikha, Patel

"…The LST data derived from remote sensing sources demonstrates an upward trend for summer and a contrasting trend for winter. Specifically, the mean summer LST increases by 7.64 °C (0.34 °C annually), and the mean winter LST decreases by 4.87 °C (0.22 °C annually). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

The Sources of Variance in the Helsinki Stock Exchange حسب Ben Sita, Bernard

"…Furthermore, inserting the ratio of volume expectation to duration expectation in the ARMA model and the vector error correction (VEC) model, we find that the short-term variance increases (decreases) when more (less) than 1 unit share is traded for 1 unit time.…"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Efficiency of commercial banks in Lebanon حسب Djoundourian, Salpie

"…The stochastic production and cost function estimates show that bank level inefficiency effects decreases with time and increases with number of branches, employees per branch, and ratio of staff to operating expenses.…"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Effect of Intravenous Mannitol on Intraocular Pressure Changes in Vitrectomized and Non-Vitrectomized Eyes: A Systematic Review and Meta-Analysis حسب HASHEM ABU SERHAN (19737499)

"…In vitrectomized eyes, notable decreases were observed: at 30 min, the Ratio of Means (ROM) was 0.81 (95% CI: 0.53; 1.24), indicating a 19% reduction; at 60 min, the ROM of 0.833 (95% CI: 0.77; 0.89) showed a 16.7% reduction; at 90 min, the ROM of 0.757 (95% CI: 0.755; 0.758) corresponded to a 24.3% reduction; at 2 h, the ROM of 0.726 (95% CI: 0.642; 0.820) reflected a 27.4% reduction; at 3 h, the ROM of 0.692 (95% CI: 0.600; 0.797) resulted in a 30.8% reduction; and at 4 h, the ROM of 0.700 (95% CI: 0.363; 1.350) indicated a 30% reduction. …"

Small molecule inhibition of stat3 enhances survival in mice with intracerebral melanoma حسب Abou-Ghazal, Mohamed

"…In addition, WP1066 decreased the level of c-Myc and survivin in melanoma cells in a dose- and time-dependent manner. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Pore-scale simulation of fine particles migration in porous media using coupled CFD-DEM حسب Ahmed Elrahmani (17128837)

"…Simulations indicate that permeability reduction due to fine migration in porous media is directly proportional to flow velocity. The time required to develop bridging and subsequent clogging of the pore space that lead to permeability reduction decreases as the flow velocity increases. …"

Mapping subnational HIV mortality in six Latin American countries with incomplete vital registration systems حسب Local Burden of Disease HIV Collaborators (13279180)

"…</p><h3>Results</h3><p dir="ltr">All countries displayed over a 40-fold difference in HIV mortality between municipalities with the highest and lowest age-standardized HIV mortality rate in the last year of study for men, and over a 20-fold difference for women. Despite decreases in national HIV mortality in all countries—apart from Ecuador—across the period of study, we found broad variation in relative changes in HIV mortality at the municipality level and increasing relative inequality over time in all countries. …"