Ferroelectric Properties and Electrocaloric Effect in Dy2O3 Substitution on Lead-Free (Na0.5 Bi0.5)0.94 Ba0.06TiO3 Ceramic by Turki, O.

“…Using the direct EC measurement, the ceramic corresponding to y = 0.02 exhibited a significant EC response, where ΔT = 1.2 K under 5 kV/mm. …”
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A Modification to Enhance the Survival of the Island FDMA Flap by Adding a Skin Bridge by Salim Al Lahham (16515333)

“…We combined Foucher and Holevich characteristics to design a flap that promises to solve the problem.</p><h3>Methods</h3><p dir="ltr">This is a case series that includes 9 patients where we describe a technique that has the potential to enhance the survival of the first dorsal metacarpal artery (FDMA) flap and decreases the rate of distal necrosis via addition of a 5-mm skin bridge to the pedicle and by avoiding tunneling. …”

A Comparison of Greywater Irrigation and Hydraulic Loading Rate on Growth and Treatment Performance With Various Ornamental Plants by Salam Akinkunmi Alli (21547055)

“…</p><p dir="ltr">The study aimed to compare the plant growth and greywater treatment performance for five ornamental plant species grown in a substrate consisting of recycled spent coffee grounds and date seeds that could be used in a typical green wall treatment system. …”

A robust experimental-based artificial neural network approach for photovoltaic maximum power point identification considering electrical, thermal and meteorological impact by Samer Gowid (15955152)

“…Nonetheless, the consideration of irradiance, electrical, thermal, and weather parameters (scenario IV) yielded higher identification accuracy. The results showed a decrease in the MSE of V_mp by 74.3% (from 1.6 V to 0.411 V), and in the MSE of I_mp by 95% (from 4.4e−6 A to 2.16e−7 A), respectively. …”

Drying Studies of Purple Non-Sulphur Bacterial Biomass and Application as a Single-Cell Protein Feed for <i>Litopenaeus vannamei</i> by Asifa Anwar (20884229)

Prevalence of polypharmacy and the association with non-communicable diseases in Qatari elderly patients attending primary healthcare centers: A cross-sectional study by Ayman Al-Dahshan (8962568)

“…</p><h3>Methods </h3><p dir="ltr">A retrospective cross-sectional analysis was conducted using the Electronic Medical Record (EMR) database of all PHC centers in Qatar for six months (April-September 2017). …”

Changing life expectancy in European countries 1990–2021: a subanalysis of causes and risk factors from the Global Burden of Disease Study 2021 by Nicholas, Steel

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Correction: Prevalence of polypharmacy and the association with non-communicable diseases in Qatari elderly patients attending primary healthcare centers: A cross-sectional study by Ayman Al-Dahshan (8962568)

“…</p><h3>Methods </h3><p dir="ltr">A retrospective cross-sectional analysis was conducted using the Electronic Medical Record (EMR) database of all PHC centers in Qatar for six months (April-September 2017). …”

Two-stage optimisation for malachite green removal using activated date pits by M. Hijab (14152095)

“…The surface areas and maximum malachite green adsorption capacities of the natural date stone and the phosphoric acid–treated date stone were 86 and 909 m2/g, respectively, and maximum malachite green adsorption capacities were 31.5 and 64.7 mg/g, respectively. A two-stage batch adsorber model was developed to optimize the two-step adsorption process to remove malachite green and minimize the amount of adsorbent used for both untreated and treated date stones. …”

Retinal imaging based glaucoma detection using modified pelican optimization based extreme learning machine by Debendra Muduli (20748758)

“…The effectiveness has been evaluated using two standard datasets called G1020 and ORIGA with the $$10 \times 5$$-fold stratified cross-validation technique to ensure reliable evaluation. …”

Rapid mercury removal using living indigenous microalgal communities for water treatment applications by Amr Nasr Fekry (22521185)

Performance comparison of different flow arrangements of 4-fluid internally-cooled liquid desiccant dehumidifiers by Ali Pakari (14158902)

“…The approximate difference between the best and poorest performing flow arrangements in terms of the decrease in supply air humidity ratio and enthalpy is 4.3% and 10.5%, respectively. …”

Machine Learning-Based Management of Electric Vehicles Charging: Towards Highly-Dispersed Fast Chargers by Mostafa Shibl (18810412)

“…The use of ML provides a less complex method to coordinate EVs, in comparison with conventional optimization techniques such as quadratic programming, and the use of ML is faster as it requires less computational power. …”

Effect of sintering temperature of NBT–6BT lead-free ceramics on the structural, ferroelectric and piezoelectric properties by Slimani, Ahmed

“…The lead-free Na 0.5 Bi 0.5 0.94 Ba 0.06 TiO 3 (NBT-6BT) ceramics was fabricated at various sintering temperatures using a conventional solid-state reaction method. …”
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Techno-economic and environmental analyses of the pyrolysis of food waste to produce bio-products by Mohammad Alherbawi (14155767)

“…The economic evaluation revealed that the return on investment (ROI) value for the single component at 5% moisture content at 300 °C is 29%, with a payback period (PB) of only 3.4 years, which is potentially very appealing. …”

Application of Fe₃O₄ magnetite nanoparticles grafted in silica (SiO₂) for oil recovery from oil in water emulsions by Wamda Faisal Elmobarak (17058024)

“…An excellent %_hdem 90% was achieved C_oil in the range 50 e2000 mg/L. Using an MD_dose as low as 10 mg/L attained a %_hdem in the range of 93% - 4.3% for O/W mixtures with C_oil < 2000 mg/L, which slightly decreased to ~90% for higher concentrations. …”

Applying value-based strategies to accelerate access to novel cancer medications: guidance from the Oncology Health Economics Expert Panel in Qatar (Q-OHEP) by Anas Hamad (9545771)

“…</p><h2>Other Information</h2><p dir="ltr">Published in: BMC Health Services Research<br>License: <a href="https://creativecommons.org/licenses/by/4.0" target="_blank">https://creativecommons.org/licenses/by/4.0</a><br>See article on publisher's website: <a href="https://dx.doi.org/10.1186/s12913-022-08981-5" target="_blank">https://dx.doi.org/10.1186/s12913-022-08981-5</a></p>…”

Nurse-Led System-wide Unit-based Hospital Acquired Pressure Injury (HAPI) Reduction Project by Mariam Al-Mutawa (18505317)