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5701
Uptake and Distribution of Cd in Sweet Maize Grown on Contaminated Soils: A Field-Scale Study
Published 2013-01-01“…The addition of NTA increased the amount of Cd absorbed but left the relative distribution of the metal among the plant organs essentially unchanged. …”
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5702
SIMULATION ANALYSIS FOR ENERGY-ABSORPTION PROPERTIES OF A NESTED SQUARE THIN-WALLED TUBE
Published 2018-01-01“…In order to improve the crashworthiness performance of the thin-walled metal tube,it presents a nested square thin-walled tube structure. …”
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5703
Biochemical Evaluation and Green Synthesis of Nano Silver Using Peroxidase from Euphorbia (Euphorbia amygdaloides) and Its Antibacterial Activity
Published 2015-01-01“…Also, optimal concentration of metal ions was found as 0.5 mM. The synthesized silver nanoparticles were characterized by UV spectrum, scanning electron microscope (SEM) and X-ray diffraction. …”
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5704
Polydiacetylene (PDA) Embedded Polymer-Based Network Structure for Biosensor Applications
Published 2025-01-01“…This color change enables the detection of biomarkers, metal ions, and toxic compounds. Moreover, the combination of PDA with polymeric structures including hydrogels further enhances the sensitivity and structural stability of PDA-based biosensors, making them reliable and effective in complex biological and environmental conditions. …”
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5705
Carbon-Filled E-Glass Fibre-Reinforced Epoxy Composite: Erosive Wear Properties at an Angle of Impingement
Published 2022-01-01“…Carbon particles dispersed across a metal matrix increased the fibre bonding but decreased the mechanical strength. …”
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5706
Preparation of Fe(II)/MOF-5 Catalyst for Highly Selective Catalytic Hydroxylation of Phenol by Equivalent Loading at Room Temperature
Published 2019-01-01“…The metal-organic framework MOF-5 was synthesized by self-assembling of Zn(NO3)2·7H2O and H2BDC using DMF as solvent by the direct precipitation method and loaded with Fe2+ by the equivalent loading method at room temperature to prepare Fe(II)/MOF-5 catalyst and the microstructure, phases, and pore size of which was characterized by IR, XRD, SEM, TEM, and BET. …”
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5707
In Vitro Antioxidant Activities of Three Selected Dates from Tunisia (Phoenix dactylifera L.)
Published 2014-01-01“….), with hard texture, from three selected Tunisian cultivars (Allig, Deglet Nour, and Bejo) were analysed from their antioxidant activities using DPPH radical scavenging activity, FRAP assay, H2O2 scavenging activity, and metal chelating activity. Date extracts showed strong and concentration-dependant activity in all tested methods. …”
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5708
Modeling of Functionally Graded Material Shells
Published 2025-01-01“…By applying this robust algorithm within the framework of Kirchhoff-Love theory, we analyze how the properties of FGM shells vary smoothly from metal at the base to ceramic at the surface, crucial for applications in aeronautics and civil engineering where stability under load is paramount. …”
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5709
"Ciudadespacios". Recorridos y tránsitos de las prácticas culturales de jóvenes por la ciudad de Popayán
Published 2011-01-01“…En el contexto de una ciudad como Popayán (Colombia), se hace muy interesante visibilizar cómo la práctica del skate bording, de la capoeira, del teatro, del death metal, y la práctica política en el movimiento estudiantil, se convierten en prácticas de subjetivación y en escenarios de configuración de imaginarios, en razón a que es a través de éstos que algunos jóvenes y algunas jóvenes se agrupan para compartir un interés común. …”
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5710
Preconcentration with 1-Nitroso-2-naphthol Complexes on Dowex MWC-1 Resin: Determination of Cu and Zn at Trace Level in Drinking Water Samples by ICP-AES
Published 2009-01-01“…For this purpose, the water samples were treated with 1-nitroso-2-naphthol to form metal complexes on Dowex MWC-1 resin. Prior to the sorption process, the column was treated with a chelating resin Dowex MWC-1 and the column was prepared by passing buffer solution at different pH values. …”
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5711
Synthesis of Silver Nanoparticles Using Triticum aestivum and Its Effect on Peroxide Catalytic Activity and Toxicology
Published 2013-01-01“…The peaks in XRD pattern are in good agreement with those of face-centered-cubic form of metallic silver. Further the IR and TEM shows confirmation of nanocrystalline nature of silver nanoparticles. …”
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5712
Removal of Pb (II) Ions from Aqueous Solutions by Cladophora rivularis (Linnaeus) Hoek
Published 2012-01-01“…Biosorption of Pb(II) using Cladophora rivularis was examined as a function of initial pH heavy metal concentration and temperature. The optimum pH value for the biosorption of lead was 4.0. …”
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5713
Evaluation of carbide capacity in CaO-based ternary systems at 1773k for refining process
Published 2020-01-01“…The removal of impurities depends on the mass transfer between the slag-metal interface, and the carbide capacity of the refining slags is crucial to control the carbon content in the final products. …”
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5714
FEM modelling of hydrogen embrittlement in API 5L X65 steel for safe hydrogen transportation
Published 2025-02-01“…When hydrogen enters the metal, it significantly compromises its fracture toughness. …”
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5715
Experimental and Numerical Analysis of Torque Properties of Rotary Elastomer Particle Damper considering the Effect of Gap and No Gap between Rotor and Body of the Damper
Published 2021-01-01“…Elastomer particles are soft, and they have different behavior from hard (metallic) particles. Experiments on rotary elastomer particle dampers considering the gap between rotor and cylinder helped investigate the effects of the change in packing fraction, rotational speed, size of elastomers, and the gap between the rotor and the damper body. …”
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5716
Advances in the catalytic conversion of CO2
Published 2025-01-01“…Innovations, such as noble metal-doped semiconductors and two-dimensional materials like graphene, have shown promise in improving light absorption, electron transfer, and stability. …”
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5717
Measuring. Monitoring. Management. Control
Published 2024-12-01“…The article is devoted to the development of constructive and technological methods for ensuring the temporal and parametric stability of films and film structures formed on metal–film sensors of physical quantities. The relevance of the presented materials lies in the fact that the stability of sensors depends to a greater extent on the stability of resistive films and film structures. …”
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5718
Structural insights into human topoisomerase 3β DNA and RNA catalysis and nucleic acid gate dynamics
Published 2025-01-01“…We present a series of cryo-EM structures of human TOP3B with its cofactor TDRD3 during cleavage and rejoining of DNA or RNA, thus elucidating the roles of divalent metal ions and key enzyme residues in each step of the catalytic cycle. …”
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5719
Selected properties of phosphorus dendrimers: green approaches to catalysis
Published 2024-02-01“…In a second part, some even greener approaches of catalysis with dendrimers will be displayed, such as catalysis in water, switchable catalysis, and organocatalysis (no metal used). Different types of catalytic reactions have been studied, such as Stille, Suzuki and Sonogashira couplings, Knoevenagel condensations, Michael additions, asymmetric allylic alkylations, O- and N-arylation and vinylation reactions, [2${+}$2${+}$2]-cycloaddition reactions, isomerization of 1-octan-3-ol, Friedel–Crafts acylations, Heck reactions, hydrogenations, hydrations, transfer hydrogenations, amination of $\beta $-dicarbonyl compounds, etc.…”
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5720
Microstructural, morphological, and optical properties of Fe2O3 nanoparticles obtained from Fe-MIM MOF
Published 2025-01-01“…This study explores the microstructural, morphological, and optical properties of Fe _2 O _3 nanoparticles synthesized from the pyrolysis of ZIF-8 like Fe-2-methyl imidazole (MIM) metal–organic frameworks (MOFs). Using X-ray diffraction (XRD) profile analysis methods, including the modified Scherrer, Williamson–Hall (W-H), size strain plot, and Halder-Wagner methods, the impact of annealing temperature on the microstructural parameters and crystal defects of the obtained Fe _2 O _3 nanoparticles was investigated. …”
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