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Electrochemical Synthesis of Polyaniline@Nano Zinc Oxide/Modified Multiwalled Carbon Nanotubes Nanocomposite Coating for Solid Phase Microextraction of Some Polycyclic Aromatic Hydrocarbons in Coffee and Grilled Meat.
J Sep Sci
January 2025
Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran.
Polycyclic aromatic hydrocarbons (PAHs) are carcinogenic compounds resulting from incomplete burning of organic materials. This work describes the successful layer-by-layer fabrication of a novel zinc oxide nanocomposite made of zinc oxide nanoparticles, aniline, sodium dodecyl sulfate, and modified multi-walled carbon nanotubes on a stainless steel wire by electrodeposition. The coating and extraction conditions were screened, optimized, and validated using factorial design and central composite design, respectively.
View Article and Find Full Text PDFInfluence of Microstructure on Music Properties of SWP-B Music Steel Wire Under Different Annealing Treatments.
Materials (Basel)
January 2025
Joint R&D Center for Metallic Materials, Metallic Wire and Metallic Card Clothing, Xi'an 710021, China.
The mechanical properties of music wire are contingent upon its microstructure, which in turn influences its applications in music. Chinese stringed instruments necessitate exacting standards for comprehensive performance indexes, particularly with regard to the strength, resilience, and rigidity of the musical steel wires, which differ from the Western approach to musical wire. In this study, SWP-B music wire was selected for investigation through metal heat treatment, which was employed to regulate its microstructure characteristics.
View Article and Find Full Text PDFEffect of Hardness Distribution on Strength of Narrow-Gap Hot-Wire Laser-Welded Joint for High-Tensile Strength Steel.
Materials (Basel)
January 2025
Graduate School of Advanced Science and Engineering, Hiroshima University, Hiroshima 739-8527, Japan.
Application of high-heat input welding on high-tensile strength steels causes deterioration of mechanical properties of the welded joint, due to softening and grain coarsening in the heat-affected zone (HAZ). In this study, low-heat input narrow-gap hot-wire laser welding was applied to 12 mm thick 780 MPa-class high-tensile strength steel plate. Conditions were optimized based on microstructural observations of joints produced at various welding speeds.
View Article and Find Full Text PDFMechanical Model of Tensile Loading of Geotechnical Reinforcement Materials.
Materials (Basel)
January 2025
School of Civil Engineering, Central South University, Changsha 410075, China.
To reveal the mechanical behavior and deformation patterns of geotechnical reinforcement materials under tensile loading, a series of tensile tests were conducted on plastic geogrid rib, fiberglass geogrid rib, gabion steel wire, plastic geogrid mesh, fiberglass geogrid mesh, and gabion mesh. The full tensile force-strain relationships of the reinforcement materials were obtained. The failure modes of different geotechnical reinforcement materials were discussed.
View Article and Find Full Text PDF[Effectiveness analysis of three internal fixation methods in treatment of avulsion fracture of tibial tubercle in adolescents].
Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
January 2025
Department of Orthopedics, the First Affiliated Hospital of Bengbu Medical University, Bengbu Anhui, 233000, P. R. China.
Objective: To analyze the effectiveness of three internal fixation methods, namely hollow screw combined with Kirschner wire tension band, hollow screw combined with anchor nail, and modified 1/3 tubular steel plate, in the treatment of avulsion fracture of tibial tubercle (AFTT) in adolescents.
Methods: Between January 2018 and September 2023, 19 adolescent AFTT patients who met the selection criteria were admitted. According to different internal fixation methods, patients were divided into group A (8 cases, hollow screw combined with Kirschner wire tension band), group B (6 cases, hollow screw combined with anchor nail), and group C (5 cases, modified 1/3 tubular steel plate).
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