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13781
Effects of mixing of europium oxide in resin composites on the fluorescence characteristics and mechanical properties
Published 2025-02-01“…The fabricated samples were evaluated using scanning electron microscopy and a spectrofluorometer to assess their crystal structures, particle sizes, and photoluminescence properties. …”
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13782
The investigation of the effects of the sports goalball on the level of some physical propriety of visually handicapped individuals
Published 2015-03-01“…Then, the digital data was transferred to electronic environment. One way variance analysis Mann –Whitney (One Way) and T Tests were used for statistical analyses of the data. …”
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13783
Effect of high MgO/Al2O3ratio (1.2 to 2.2) on sintering behavior and metallurgical properties
Published 2021-01-01“…The main characterization methods of X-ray diffraction (XRD) and scanning electron microscopyenergy disperse spectroscopy (SEM-EDS) were employed. …”
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13784
Characterization of Co2+- and Fe3+-Codoped TiO2 Nanomaterials for Photocatalytic Degradation of Organic Pollutants under Visible Light Irradiation
Published 2021-01-01“…The physicochemical properties of the obtained materials were studied by powder X-ray diffraction, field emission electron scanning microscopy, energy-dispersive X-ray spectroscopy, and nitrogen adsorption isotherms. …”
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13785
A facile synthesis by spark plasma sintering of mobile lithium ions into oxynitride glass-ceramic matrix: Insight and perspective
Published 2025-01-01“…Optical and scanning electron microscopy (SEM) studies demonstrate alterations in microstructural features, notably an increase in the number of Li-rich phases. …”
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13786
Awareness of the Consumption of Dietary Supplements among Students in a University in Saudi Arabia
Published 2019-01-01“…Using a descriptive approach, data were collected from 759 female students (mean age = 22.1 ± 1.7 years) via an electronic survey. All participants reported having consumed dietary supplements at some point, and 32.3% were taking them at the time of the survey. …”
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13787
CORRELATION BETWEEN LBW HISTORY AND STUNTING INCIDENCE: A LITERATURE REVIEW
Published 2023-10-01“…Method: This research used a literature review study design, using secondary data sourced from electronic databases, consisting of 111 Pubmed articles, 518 Google Scholar articles, and 138 Science Direct articles. …”
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13788
Effect of segregations on mechanical properties and crack propagation in spring steel
Published 2015-09-01“…After the mechanical tests the fracture surfaces of samples were analyzed using scanning electron microscope (SEM) and the influence of microstructure properties on the crack propagation and crack propagation resistance was studied. …”
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13789
Eco-innovativebreak through: Tamarindshell-derived silver nanoparticlesforadvancedwastewaterbacterialpurification
Published 2025-03-01“…The synthesized AgNPs were characterized using X-ray diffraction (XRD), Fourier-transform infrared spectroscopy (FTIR), UV–Visible spectroscopy (UV–Vis), and transmission electron microscopy (TEM), revealing a crystalline structure with particle sizes ranging from 10 to 100 nm. …”
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13790
Eco-anxiety, climate change and the ‘bottom billion’: a plea for better understanding
Published 2025-01-01“…Many in this population have limited or no electronic access to information. Furthermore, the relationship between the stresses faced by such populations and climate change is often indirect, potentially also disguising recognition of the role of climate change. …”
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13791
Filtration Performance of Layering Masks and Face Coverings and the Reusability of Cotton Masks after Repeated Washing and Drying
Published 2021-08-01“…To investigate the reusability of cotton cloth masks, 2-layer cotton fabric sample coupons were machine washed and dried for 52 cycles leading to an increase in inhalation resistance (~20 Pa) without affecting size-resolved filtration efficiency. Scanning electron microscopy revealed that washing and drying led to the gradual deconstruction of cotton fibers at the scale of several micrometers to hundreds of nanometers in the form of delamination of the fiber wall and fibrillation of the nanofiber constituents. …”
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13792
A School-Based Exercise Intervention Program Increases Muscle Strength in Prepubertal Boys
Published 2010-01-01“…Baseline and annual changes of body composition were measured by dual energy X-ray absorptiometry (DXA), stature, and body mass by standard equipments, isokinetic peak torque (PT) of the knee extensors, and flexors at 60 and 180 deg/sec by computerized dynamometer (Biodex) and vertical jump height (VJH) by a computerized electronic mat. The annual gain in stature and body mass was similar between the groups whereas the increase in total body and regional lean mass (P<.001) and fat mass (P<.001) was greater in the exercise group. …”
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13793
Development and validation of an analytical method for detecting chlorantraniliprole residues in fresh tea leaves
Published 2019-12-01“…An efficient method using multiwalled carbon nanotubes (MWCNTs) as dispersive solid-phase extraction sorbent was established for determining chlorantraniliprole residues in fresh tea leaves, which are known to be a troublesome matrix containing abundant pigments, via gas chromatography with an electron capture detector. Acetonitrile was used as the extraction solvent, with sodium chloride enhancing the analyte partition in the organic phase. …”
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13794
The role of digital health in pandemic preparedness and response: securing global health?
Published 2024-12-01“…Background Digital health technologies, such as mobile applications, wearable devices, and electronic health record systems, have significantly enhanced global health security by enabling timely data collection and analysis, identifying infectious disease trends, and reducing infection risk through remote services. …”
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13795
Anisotropic nonlinear optical responses of Ta2NiS5 flake towards ultrafast logic gates and secure all-optical information transmission
Published 2024-10-01“…Optical logic gates based on nonlinear optical property of material with ultrafast response speed and excellent computational processing power can break the performance bottleneck of electronic transistors. As one of the layered 2D materials, Ta2NiS5 exhibits high anisotropic mobility, exotic electrical response, and intriguing optical properties. …”
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13796
Silver Nanoparticles: Biosynthesis Using an ATCC Reference Strain of Pseudomonas aeruginosa and Activity as Broad Spectrum Clinical Antibacterial Agents
Published 2016-01-01“…A greenish culture supernatant of P. aeruginosa incubated at 37°C with a silver nitrate solution for 24 h changed to a yellowish brown color, indicating the formation of Ag-NPs, which was confirmed by UV-vis spectroscopy, transmission electron microscopy, and X-ray diffraction. TEM analysis showed spherical and pseudospherical nanoparticles with a distributed size mainly between 25 and 45 nm, and the XRD pattern revealed the crystalline nature of Ag-NPs. …”
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13797
Effect of Lactic Acid Bacteria Fermentation on Quality, Flavour and Antioxidant Activity of Rice Milk
Published 2025-02-01“…The results of gas chromatography-mass spectrometry (GC-MS) and electronic nose (E-nose) analyses showed that the types and contents of flavouring substances were significantly higher in the rice milk fermented by lactic acid bacteria compared to the control. …”
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13798
Cross-Sectional Survey to Assess Dental Students’ Perception of the Utilization of a Case Difficulty Assessment Form during Various Stages of Root Canal Therapy
Published 2024-01-01“…After obtaining IRB approval, an electronic questionnaire was sent to dental students enrolled in the 4th and 5th years at King Saud University (KSU) and King Saud bin Abdulaziz University for Health Sciences (KSAU-HS), Riyadh, Saudi Arabia. …”
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13799
E-Government Development Index (EGDI) and its relationship with the economic development level in the EAEU countries
Published 2022-06-01“…The dynamics of change and the relationship of these indicators was investigated. The Electronic Government Index (EGDI) is considered in terms of its three main components (subindices): the online public services development level (Online Service Index), the telecommunications infrastructure development level (Telecommunication Infrastructure Index), the human capital development level (Human Capital Component). …”
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13800
Daily Plasmaspheric TEC Variations From COSMIC GPS Observations Based on RBF Neural Network‐Kriging Method
Published 2023-07-01“…Abstract The low Earth orbit (LEO) satellite provides valuable direct observations for scientific investigation of the plasmasphere, while the plasmaspheric total electron content (PTEC) with a high temporal resolution cannot be precisely estimated due to fewer LEO satellites. …”
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