The Structure of the Free Volume in Poly(styrene-co-acrylonitrile) from Positron Lifetime and Pressure Volume Temperature (PVT) Experiments حسب Dlubek, Gunter

"…The mean hole volume, vh, varies in PS between 105 Å3 (27 °C) and 220 Å3 (190 °C), and shows a systematic decrease with increasing AN content, at Tg from 121 Å3 for PS to 102 (±2) Å3 for SAN50. …"
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Study of Magnetic Properties and Lattice Dynamics of the Cdx Co1-x Ferrite System by MossbauerEffect حسب Eissa, N. A. [نبيل عيسى]

"…The results showed also that the introduction of the Cd2"^ ions decreased the f-value and Debye temperature, while the mean square velocity of the "Fe nucleus was not affected greatly specially at low and normal temperatures. …"
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Urology Residents' Perspectives on the In-House On-Call Systems: A Study in an Accredited Academic Center حسب Khalil, Ibrahim A. and Ibrahim, Tarek and Aldeeb, Maya and Mohamed, Ahmed and Ben Salah, Rym and Aboumarzouk, Omar M. and Al-Naimi, Abdulla

"…Working hours: compliance and violations There was no significant difference in the mean weekly working hours (p = 0.1). However, the total number of duty hours violations decreased in the 12-hour on-call system. …"
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A Model For A Narrow-Cut Fractionating Column حسب Farag, Hassan A.

"…The model can calculate boiling point and dew point on the feed plate, the number of liquid and vapour moles, the enthalpy of feed and the final product distribution at the top and bottom of the column. …"
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Seasonal Variations of Acoustic Properties in Ropme Sea Area حسب El Gindy, A. A. H. [احمد عبد الحميد الجندي]

"…Sound speed was similar in the upper 60 meters. From an acoustic point of view, the basin west of 56°E is considered as a shallow area while the Gulf of Oman is a deep area. …"
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Corporate governance and cost of debt financing: Empirical evidence from Canada حسب Ghouma, Hatem

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A resource provisioning framework for bioinformatics applications in multi-cloud environments حسب Senturk, Izzet F.

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Synergistic effects and optimization of nitrogen and phosphorus concentrations on the growth and nutrient uptake of a freshwater Chlorella vulgaris حسب Alketife, Ahmed M.

"…1 and the maximum biomass produced was decreased more than three-fold to 0.5 g/L. The Box Behnken experimental design and response surface method were used to study the effects of the initial concentrations (P, N and C) on P and N removal efficiencies. …"
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Computational approach to unravel the impact of missense mutations of proteins (D2HGDH and IDH2) causing D-2-hydroxyglutaric aciduria 2. حسب Thirumal Kumar, D

"…In the case of D2HGDH protein, the mutations I147S and V444A that are positioned in the beta sheet region exhibited higher Root Mean Square Deviation (RMSD), decrease in compactness and number of intramolecular hydrogen bonds compared to the mutations N439D and D375Y that are positioned in the turn and loop region, respectively. …"
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Recycled Concrete Used in Subbase in Potential Use for Road Base and Cement Bounded Material (CBM) حسب Ahmad, Hassan Haidar

"…Concrete dumped as waste in landfills in Qatar, so this paper will emphasis utilizing the concrete waste through means of recycling and reusing in the road construction market. …"
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A Multi-echelon Network Distribution Model For Emergency Resource Planning حسب Pradhananga, Rojee

"…(Acknowledgement: Qatar/QNRF/NPRP Project: 5-200-5-027)…"
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Floating capital pattern and biomass slope allocation method in the life history of calotropis procera (AIT.) AIT. F. حسب Ismail, A. M. A. [احمد محمد علي اسماعيل]

"…There were differences in the direction of change in the root/shoot ratio: increase, decrease and no change. The mean root/shoot ratio was 0.21:1 during the juvenile phase, rising to 0.68:1 and stabilized at 0.5:1 prior to and following the reproductive phase. …"
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Two-stage cultivation of a Nannochloropsis mutant for biodiesel feedstock حسب Doan, Y.T.T.

"…The biomass yield of the mutant in two-stage cultivation was maintained at a level similar to that of the one-stage photoautotrophic culture, but TFA content was increased by 2.3-fold. The fatty acid profile of MT-I5 also had an increased level of desirable saturated fatty acids (SFA) for use as a biodiesel feedstock, i.e. from 43 to 48�% of TFA, as well as a decreased level of less desirable polyunsaturated fatty acids (PUFA), i.e. from 22 to 7�% of TFA. …"
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Advanced Hard Ctings: Towards A Whole New World حسب Santecchia, Eleonora

"…That is where advanced surface coatings come in. From a manufacturing point of view, tools for machining are of particular interest. …"
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Specific Bioactive Compounds from Ginger, Tea, and Apple Prevent Diabetes-Related Cataract Via Inhibition of Aldose Reducatse حسب Ahmedna, Mohamed

"…The activity of aldose reductase was found to increase 5 folds at 10 mM from day 1 to day 4, whereas at 25, 50 and 100 mM concentrations of glucose the AR activity was increased to almost 2 folds. …"
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Characteristics of olive mill solid residue and its application in remediation of Pb2+, Cu2+ and Ni2+ from aqueous solution: Mechanistic study حسب Hawari, A.

"…Meanwhile, at lower pH values the uptake capacity decreased. It was found that the qmax values are (0.54, 0.59 and 0.63), (0.46, 0.63, and 0.69) and (0.31, 0.42, and 0.47) meq/g for Pb2+ Cu2+ and Ni2+ at 298, 308, and 328 K; respectively. …"
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Effects of covid-19 lockdown on physical activity, sedentary behavior, and satisfaction with life in Qatar: A preliminary study حسب Hermassi, Souhail

"…Life satisfaction decreased, with the score for “I am satisfied with my life” (ηp2 = 0.76, p < 0.001) decreasing from 28.1 ± 4.81 to 14.2 ± 6.41 arbitrary units (AU). …"
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Utilization of Emergency Services by Children with Asthma in Qatar حسب Arafah, Dima

"…Respiratory diseases are the most common conditions seen in Pediatric Emergency Centers (PECs) in Qatar. 2 The five PECs are an essential point of healthcare access for severely sick children, however, many people utilize them for potentially preventable reasons. 3 Methods: This was a quantitative retrospective observational study of children with asthma utilizing the five PECs during 2019. …"
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Do older adults with multimorbidity meet the recommended levels of physical activity? An analysis of Scottish health survey حسب Salman A.

"…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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Exploring the quality of life of cosmetic users: A cross-sectional analysis from eight Arab countries in the Middle East حسب Mohammed, Ali Haider

"…As the respondents' skin tone deepens from very fair to dark, the mean score for each domain significantly increases, whereas when skin type changes from very oily to dry, the mean score for each domain decreases. …"
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