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541
Application of magnetic nanoparticles for the removal of oil from oil-in-water emulsion: Regeneration/reuse of spent particles
Published 2021“…Up to 98.6% of the %Roil was attained for Coil in the range from 0 to 800 mg/L using only a DMNP of 10 mg/L. A lower DMNP of 5 mg/L recovered up to 55.6% of the oil, while increasing the DMNP > 50 mg/L did not significantly affect the %ηdem nor the %Roil. …”
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542
The Impact of Multiple Autoclave Cycles on the Surface Roughness of Thermally Treated Nickel-Titanium Endodontic Files
Published 2022“…., 20 TN, 20 ETP, and 20 PTG files), and each group was divided into four equal subgroups of five files (n = 5). An unsterilized group was assigned as the pre-autoclaving group (Cycle 0), and the other three groups underwent various autoclave sterilization cycles (Cycles 1, 5, and 10). …”
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543
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544
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545
Antibiotic Prescription Patterns for Upper Respiratory Tract Infections in Outpatient Qatari Population in the Private Sector
Published 2016“…Results: There were a total of 75,733 claims during the study period. …”
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546
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547
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548
Studies on growth and chemical composition of tobacco varieties. IV - comparative effects of various combinations of fertilizers on economic potentialities of tobacco plants
Published 1987“…An increase in the dry weight associated with a decrease in the ash content in leaves were also observed. …”
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549
Effect Of Sand Blasting On Soda Lime Glass Properties
Published 2003“…The as received glass Weibull plot shows a large dispersion expressed by a low Weibull modulus (m = 5.41) and a relatively higher average strength value (smoy = 76 MPa). …”
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550
Fish diversity in correlation with some environmental factors in the mangal of two protectorate areas, ras muhammed and nabq on the red sea in egypt.
Published 1997“…The present investigation revealed that the high salinity and temperature as well as the decrease in dissolved oxygen in Ras Muhammed and Nabq has a profound effect on the low density and diversity of species inhabiting these areas. …”
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551
Yerba Maté (Illex Paraguariensis) ingestion augments fat oxidation and energy expenditure during exercise at various submaximal intensities
Published 2014“…These changes were combined with a trend towards a decrease in BLC (P = 0.066), and without a significant difference inV˙O2peak, peak power, peak RER, or peak BLC. …”
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552
Reinforcement of polyacrylamide-co-tert-butyl acrylate base gel using nanosilica for conformance control at low and high reservoir temperatures
Published 2020“…Therefore, this study introduces a new polymeric formulation that serves as a water shut-off agent for reservoirs at low and high temperatures. …”
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553
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554
Smoking cessation counseling in Qatar: Community pharmacists' attitudes, role perceptions and practices
Published 2012“…Background: Smoking is a major public health problem in Qatar. The potential for community pharmacists to offer smoking cessation counseling in this country can be high. …”
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555
The Effect of Hyperoxia on Central and Peripheral Factors of Arm Flexor Muscles Fatigue Following Maximal Ergometer Rowing in Men
Published 2022“…Results: Arterial hemoglobin O2 saturation was reduced to 92.5 ± 0.2% during exercise with normoxia but maintained at 98.9 ± 0.2% with hyperoxia. …”
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556
Optimal Design of Cogeneration Systems Based on Flaring and Venting Streams and Accounting for the Involved Uncertainty
Published 2017“…This paper proposes a solution approach that enables to determine cumulative probability curves to give to decision makers a useful tool to know the financial risk related to the implementation of the proposed system, and the results show that the proposed system is a suitable option to reduce carbon dioxide emissions and to decrease the operating costs. 1 2017 Elsevier B.V.…”
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557
Autonomous vehicle sunshade using aluminum panels
Published 2021“…The heat build-up inside of a vehicle cabin due to the direct composure of thermal energy when parked outside during the day can be a huge dilemma, the intensity of the problem can be decreased by covering the windows of the automobile, but drivers are reluctant to do it manually. …”
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558
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559
High temperature thermal stability of innovative nanostructured thin coatings for advanced tooling
Published 2014“…Three different thin hard nitrogen-rich coatings were mechanically, microstructurally, and thermally characterized: A 2.5 micron-thick CrN-NbN, a 11.7 micron-thick TiAlN, and a 2.92 micron-thick AlTiCrxNy. …”
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560
Fecal Carriage and Molecular Characterization of Carbapenemase-Producing Enterobacterales in the Pediatric Population in Qatar
Published 2021“…All 9 blaOXA-48-type-gene-containing E. coli sequence type 38 (ST38) strains were isolated from patients without international travel history. The mean quarterly incidence of fecal carriage decreased more than 6-fold after the implementation of coronavirus disease 2019 (COVID-19)-related international travel restrictions in Qatar in mid-March 2020. …”
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