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8321
Ogrody szkolne we współczesnej szkole. Znak edukacyjnego zacofania, a może jednak postępu?
Published 2015-03-01“…This article looks at school gardens and their importance in the environmental education of children and young people at all levels, including elementary, junior, and senior high schools. the authors raise the question as to whether, in today’s information-driven world, schools should continue to teach biology using natural samples such as the plants and animals available in the school garden, or whether they can be replaced by electronic means (e.g. a computer application), without negatively affecting educational quality. …”
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8322
Mechanistic Study of Visible-Light-Induced Photodegradation of 4-Chlorophenol by TiO2−xNx with Low Nitrogen Concentration
Published 2012-01-01“…The visible-light response for N-doped TiO2 could arise from an N-induced midgap level, formed above the valence band (O 2p). Electron spin resonance (ESR) measurements and the radical scavenger technologies gave the combined evidence that the active species (•OH and O2•−) are responsible for the photodecomposition of 4-CP over TiO2−xNx under the visible irradiation. …”
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8323
Effective adsorbent for the removal of methylene blue using natural serpentine/magnetite nanocomposites: Isotherm and kinetic study
Published 2025-01-01“…Various techniques such as Field Emission Scanning Electron Microscopy (FESEM), Energy Dispersive X-ray spectroscopy (EDX), Fourier Transform Infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), and Vibrating Sample Magnetometer (VSM) have been employed for the characterization. …”
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8324
Ion Exchange Study of Some New Copolymer Resins Derived from 8-Hydroxyquinoline-5-sulphonic Acid, Biuret and Formaldehyde
Published 2011-01-01“…Hence on the basis of above studies these copolymer may be used as semiconductors, surface coating, ion-exchangers, materials for rechargeable battery cell in various electronic industries, plastic materials, elastomers and in boiler plants…”
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8325
The effect of annealing on the structural, optical, electrical and photoelectric properties of ZnO/NiO heterostructures
Published 2025-01-01“…Low-temperature photoluminescence (PL), as well as absorption and photoconductivity, were studied to establish the optical properties, the nature of electronic optical transitions, the energy level position of the different defects present in the samples, and the effect of temperature annealing on these properties The band gap of the compounds was determined using the Tauc approximation and the first derivative of the absorption coefficient. …”
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8326
Influence of pyridinic nitrogen on tautomeric shifts and charge transport in single molecule keto enol equilibria
Published 2025-01-01“…The novelty of our findings lies in the use of pyridinic nitrogen to control isomerization through hydrogen bonding, offering a new approach to tuning electronic properties for molecular devices. These findings can be valuable in the development of functional molecular devices based on the keto-enol isomerization phenomenon.…”
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8327
Synthesis and cytotoxicity evaluation of thiazole derivatives obtained from 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene- 3-carbonitrile
Published 2017-12-01“…Their potencies were attributed to the presence of the electron withdrawing groups.…”
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8328
Kinetics of carbothermic reduction of synthetic chromite
Published 2014-01-01“…With the supporting of X-ray Diffraction and Scanning Electron Microscope methods, the formation of metallic products followed the sequence: Fe-C alloy, (Fe,Cr)7C3and Fe-Cr-C alloy. …”
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8329
Polypyrrole-Chitosan-CaFe2O4 Layer Sensor for Detection of Anionic and Cationic Dye Using Surface Plasmon Resonance
Published 2020-01-01“…The prepared layer was characterized by using Fourier transform infrared spectroscopy, the X-ray diffraction technique, and field emission electron microscopy. The thickness of the thin layers was in the range of 2.8 nm to 59.5 nm, and the refractive index of the composite layer was in the range of 1.66131+0.156i to 1.62734+0.167i. …”
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8330
Structural Characterization of Ferrihydrite/Hematite Nanocomposites and Their Arsenic Adsorption Properties
Published 2015-12-01“…A rich variety of ferrihydrite/hematite nanocomposites (NCs) with specific size, composition and properties were obtained in transformation reactions of 2-line ferrihydrite. Transmission electron microscopy observations showed that the NCs consist of clusters of strongly aggregated nanoparticles (NPs) similarly to a “plum pudding”, where hematite NPs “raisins” are surrounded by ferrihydrite “pudding”. …”
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8331
An exploration of the use of technology by congregations
Published 2015-12-01“…Congregations that function within a fluid network society should earnestly consider devising a proper and effective digital and electronic communication strategy for the congregational ministry. …”
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8332
Enhancement in Optical Properties of Lanthanum-Doped Manganese Barium Hexaferrites under Different Substitutions
Published 2021-01-01“…The permeability and electrical resistivity of barium hexaferrite magnetic materials can be used in various products such as magnetic recording media, computers, electronic devices, materials for permanent magnets, and communication devices. …”
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8333
Study of morphology, chemical composition and corrosion resistance of «TiC–NiTi» hard alloy modified by powerful ion beam
Published 2022-04-01“…The samples are characterized by scanning electron microscopy, energy dispersive X–ray analysis, scanning probe microscopy, and metallographic analysis. …”
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8334
Synergistic Effect of Latex Powder and Rubber on the Properties of Oil Well Cement-Based Composites
Published 2018-01-01“…The conventional properties, mechanical properties, and scanning electron microscopy (SEM) images of the modified cement were analyzed. …”
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8335
Parallelizing the cryo‐EM structure determination in THUNDER using GPU cluster
Published 2025-01-01“…Abstract Electron cryo‐microscopy (cryo‐EM) is a powerful tool utilized by biologists for understanding the mysteries of life. …”
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8336
A Meta-Analysis of Adalimumab for Fistula in Crohn’s Disease
Published 2017-01-01“…A computerized search of electronic databases, including PubMed, Web of Science, Embase, Google scholar, and the Cochrane Library from 2000 to October 2016, was performed. …”
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8337
Effect of Graphite Nanosheets on Properties of Poly(3-hydroxybutyrate-co-3-hydroxyvalerate)
Published 2017-01-01“…X-ray diffraction (XRD), Raman spectroscopy, and field emission gun-scanning electron microscopy (FE-SEM) showed that the physical, chemical, and thermal treatments preserved the graphite sheets structure. …”
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8338
Lipofundin-Induced Hyperlipidemia Promotes Oxidative Stress and Atherosclerotic Lesions in New Zealand White Rabbits
Published 2012-01-01“…On the other hand, the development of atherosclerotic lesions was confirmed by eosin/hematoxylin staining and electron microscopy. At the end of the experiment, total cholesterol, triglycerides, cholesterol-LDL, and cholesterol-HDL levels were significantly increased. …”
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8339
A DFT Study on Selected Physical Organic Aspects of the Fischer Carbene Intermediates [(M(CO)4(C(OMe)Me)]
Published 2010-01-01“…The agostic interaction is most efficient in case of chromium and in general is described as an overlap between the σ-bond electron pair of C-H with an empty d-orbital of the metal. …”
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8340
Propofol Infusion Syndrome in Adults: A Clinical Update
Published 2015-01-01“…The pathophysiology of this condition includes impairment of mitochondrial beta-oxidation of fatty acids, disruption of the electron transport chain, and blockage of beta-adrenoreceptors and cardiac calcium channels. …”
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