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

"…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. The reported %R_oil(p-value <0.05) was >90 ± 0.1 for tests carried out with pH 7 and C_sur0.1 g/L and declined at higher pH and Csur to % 86.5 due to the increase in emulsion stability. …"

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 Effects of Local Aggregates on the Mechanical Properties of Engineered Cementitious Composites (ECC) حسب Obied, Michel

احصل على النص الكامل

Notes total mesorectal excision (TME) for patients with rectal neoplasia حسب Chouillard, E.

"…This approach may lead to reduced postoperative pain, decreased hernia formation and improved cosmesis when compared to standard laparoscopy. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Mental health, burnout and resilience in community pharmacists during the COVID-19 pandemic: A cross-sectional study حسب Zeana, Samir AlKudsi

"…Participants had shown moderate resilience (mean score: 27.64 (SD = 8.31)) and their mean score fear of COVID19 was 15.67 (SD = 6.54). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Impact of staying at home measures during COVID-19 pandemic on the lifestyle of Qatar’s population: Perceived changes in diet, physical activity, and body weight حسب Muna Abed Alah (14779534)

"…Participants reported increased sitting/reclining time (1.94 h/day mean increase), screen times (2.05 h/day mean increase) with p < 0.001, and decreased exercise time (0.11 h/day mean reduction) with p < 0.001. …"

Which factor explains the life‐history of <i>Xanthium strumarium</i> L., an aggressive alien invasive plant species, along its altitudinal gradient? حسب Rafi Ullah (8146836)

"…Among climatic variables, mean yearly temperature, mean annual yearly humidity, and mean day length in hours, while in soil variables, organic matter and nitrogen percentage significantly affect the phenological and morphological stages. …"

Land surface temperature responses to land use dynamics in urban areas of Doha, Qatar حسب Shikha Patel (14151027)

"…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). …"

Modeling the risk-based decisions of the microgrid in day-ahead energy and reserve markets considering stochastic dispatching of electrical and thermal energy storages حسب Salah Bahramara (21347576)

"…Also, the risk-based behavior of the MGO showed that increasing the robust parameter decreases the reserve provided for the market and the net power trading with the market. …"

Follow up and comparative assessment of IgG, IgA, and neutralizing antibody responses to SARS-CoV-2 between mRNA-vaccinated naïve and unvaccinated naturally infected individuals ov... حسب Salma, Younes

"…At the 7th month, there was a significant decline in antibody responses among VN individuals, but not NI individuals, with a minimum decrease of 3.7-fold (p < 0.001). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Association Between Three-Months Vitamin D Supplementation and Depressive Symptomatology incidence among Saudi Arabian Adults حسب Khaddaj, Rashel

"…Results: The final sample size included 71 participants with an average age of 30.23 ±7.66and constituted of 59.2% females. The mean baseline 25(OH)D3 concentration was 16.92±7.23ng/ml in the vitamin D group and 16.44±5.91 ng/ml in the control group (p =0.76). …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Where do jobs go when oil prices drop? حسب Karaki, Mohamad B.

"…Instead, industries in construction, manufacturing and services exhibit an increase in the net employment change. An unexpected decline in the real oil price slows down the pace of gross job reallocation. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Is board compensation excessive? حسب Dah, Mustafa A.

"…Excess compensation declines over our sample period, which may be consistent with increased director workloads as well as increased scrutiny. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Can Leadership-coaching Mind-set Substitute that of Crisis Management in Higher Education? حسب Chaika, Oksana

"…The term ‘crisis management’ includes the three stages, i.e. pre-crisis, crisis per se, and post-crisis management in higher education. …"
احصل على النص الكامل

The distribution of toxic sources in Louisiana حسب Djoundourian, Salpie Sarkis

"…A distance gradient analysis indicates that as distance from the nearest toxic source increases, the mean percentage of blacks in the community decreases and the mean percentage of whites increases. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

A single-institution review of 157 patients presenting with benign and malignant tumors of the ampulla of Vater حسب Azar, Riad

"…Lymph node involvement was predictive of recurrence and decreased survival. Conclusion Patients with malignant tumors often present with jaundice and larger tumors. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

Global imbalances حسب El Kallab, Tania

"…Three facts have characterized the pre-crisis debates in macroeconomics: the increase in the US current account de cit, the decline in interest rates and the increase in the share of US assets in global portfolios. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

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

"…In 2019–21, there was an overall decrease in mean annual life expectancy across all countries (overall mean –0·18 years [95% UI –0·22 to –0·13]), with all countries having an absolute fall in life expectancy except for Ireland, Iceland, Sweden, Norway, and Denmark, which showed marginal improvement in life expectancy, and Belgium, which showed no change in life expectancy. …"
احصل على النص الكامل
احصل على النص الكامل
احصل على النص الكامل

The global, regional, and national burden of stomach cancer in 195 countries, 1990–2017: a systematic analysis for the Global Burden of Disease study 2017 حسب Arash Etemadi (330880)

"…To this end, specific local strategies should be tailored to each country's risk factor profile. Beyond the current decline in age-standardised incidence and death rates, a decrease in the absolute number of cases and deaths will be possible if the burden in east Asia, where currently almost half of the incident cases and deaths occur, is further reduced. …"