Showing 2,261 - 2,280 results of 3,268 for search '"polymer"', query time: 0.04s Refine Results
  1. 2261

    Molding of Polymeric Composite Reinforced with Glass Fiber and Ceramic Inserts: Mathematical Modeling and Simulation by Túlio R. N. Porto, Wanderley F. A. Júnior, Antonio G. B. De Lima, Wanderson M. P. B. De Lima, Hallyson G. G. M. Lima

    Published 2018-01-01
    “…This work provides a numerical study of a polymer composite manufacturing by using liquid composite material molding. …”
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  2. 2262

    Improvement of N-Acetylcysteine Loaded in PLGA Nanoparticles by Nanoprecipitation Method by Ruth Lancheros, Carlos A. Guerrero, Rubén D. Godoy-Silva

    Published 2018-01-01
    “…The nanoparticles were made using the nanoprecipitation method and changing the following parameters: the solvent/nonsolvent nature, its viscosity, pH, NAC addition to the nonsolvent, the polymer concentration and molecular weight, and NAC concentration in the solvent. …”
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  3. 2263

    Enhancing the flexural performance of lightweight concrete slabs with CFRP Sheets: an experimental analysis by Mustafa J. Khadim, Abdulkhalik J. Abdulridha

    Published 2024-07-01
    “…The flexural behavior of lightweight concrete two-way slabs is investigated in this work, with a focus on the strengthening or repairing method of externally attaching carbon fiber-reinforced polymer (CFRP) sheets. Five 1000 mm by 1000 mm by 120 mm reinforced lightweight concrete slab slabs were used in the experiment. …”
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  4. 2264
  5. 2265

    Characterization of Chemically Treated Sisal Fiber/Polyester Composites by Adane Adugna Ayalew, Awoke Fenta Wodag

    Published 2022-01-01
    “…Natural fibers have the potential to replace synthetic fibers for making polymer composites due to their remarkable properties. …”
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    Article
  6. 2266

    Highly Efficient and Selective Capture of Pb(II) by New Crosslinked Melamine-Based Polymethyl Methacrylate for Water Treatment by Nazeeha S. Alkayal

    Published 2022-01-01
    “…Owing to the recent developments in the polymer’s properties and application, the demands for designing different structure of polymers are greater than ever. …”
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    Article
  7. 2267

    Thermal Adsorption and Mechanical Behaviour of Polypropylene Hybrid Composite Synthesized by Glass/Hemp Fibre via an Injection Moulding Process by R. Venkatesh, I. Kantharaj, R. Sasikumar, C. Ramesh Kannan, Anupam Yadav, M. Karthigairajan, P. Vivekanandan, Arundeep Murugan

    Published 2023-01-01
    “…Thermoplastic-based polymers are gathering importance in several engineering fields like electrical, electronic, automotive, aerospace, and structural. …”
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  8. 2268
  9. 2269

    An Investigation on Low Velocity Impact Response of Multilayer Sandwich Composite Structures by S. Jedari Salami, M. Sadighi, M. Shakeri, M. Moeinfar

    Published 2013-01-01
    “…The effects of adding an extra layer within a sandwich panel and two different core types in top and bottom cores on low velocity impact loadings are studied experimentally in this paper. The panel includes polymer composite laminated sheets for faces and the internal laminated sheet called extra layer sheet, and two types of crushable foams are selected as the core material. …”
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  10. 2270

    Measurement of Cadmium Ion in the Presence of Metal-Binding Biopolymers in Aqueous Sample by Jian Pu, Kensuke Fukushi

    Published 2013-01-01
    “…In aqueous environment, water-soluble polymers are effectively used to separate free metal ions from metal-polymer complexes. …”
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    Article
  11. 2271

    Strength Analysis of a Two-Layer PETF-Concrete Column with Allowance for Contact Interaction between Layers by Andrii Velychkovych, Liubomyr Ropyak, Olga Dubei

    Published 2021-01-01
    “…This article develops an idea of mechanical recycling of polymer wastes. Unlike previous research studies, which are dedicated to the study of the physical and mechanical properties of fibrous concrete and the technology of its manufacturing, this work considers a specific construction product—laminated concrete column made of recycled polyethylene terephthalate (PETF). …”
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  12. 2272

    The Comparison of Water Absorption Analysis between Counterrotating and Corotating Twin-Screw Extruders with Different Antioxidants Content in Wood Plastic Composites by Mohd Hafizuddin Ab Ghani, Sahrim Ahmad

    Published 2011-01-01
    “…This indicates that the types of screw play an important role in water uptake by improving the adhesion between natural fillers and the polymer matrix.…”
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  13. 2273

    Mesoporous Ni–Fe Alloys by Yu Okuno, Yoshiyuki Hattori, Tomonori Ohba, Katsumi Kaneko, Hirofumi Kanoh

    Published 2008-10-01
    “…A nano-structured alloy of Ni and Fe was prepared using poly(vinyl alcohol) (PVA) as a polymer precursor, followed by the reduction of Ni 2+ and Fe 3+ ions to the corresponding metals by heat treatment of the PVA film containing the metal ions under an inert atmosphere. …”
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  14. 2274

    Designing a new magnetic g-C3N4 nanocatalyst based on Ag nanoparticles supported by β-cyclodextrin for effective reduction of nitroaromatic compounds by Saeed Rostami, Asieh Yahyazadeh, Hadi Adibi

    Published 2024-12-01
    “…Abstract In this study, we present the synthesis of a silver nanocomposite by utilizing a β-cyclodextrin (βCD) polymer anchored onto the surface of magnetic g-C3N4 (referred to as g-C3N4-Fe3O4/βCD-Ag). …”
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  15. 2275

    Enhanced characterization of wheat straw-PLA composites with silane coupling agent and alkali pretreatment by Zhonghua Yang, Kangjie Sun

    Published 2025-01-01
    “…Polylactic acid (PLA) composites with high straw content face several challenges, primarily due to the inherent brittleness of straw and its poor compatibility with the polymer matrix. In this study, scanning electron microscopy (SEM) was used to analyze the microscopic structure of wheat straw chemically modified by NaOH and the silane coupling agent, and it was concluded that both treatments effectively removed waxes and silica from the surface of the straw, enhanced fiber roughness, and improved interfacial adhesion. …”
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  16. 2276

    Evaluating Iraqi Modified Asphalt Concrete Moisture Resistance Based on Strength Ratio and Fracture Energy Parameters by Zahir Noori M. Taki, Alaa H. Abed, Hasan Al-Mosawe

    Published 2019-01-01
    “…Two types of polymers (plastomer (functionalized polyethylene (PE)) and elastomer (styrene-butadiene-styrene (SBS))) were used for shifting up asphalt binder performance grade (PG) and tensile strength resistance (moisture damage) of the asphalt concrete mixture. …”
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  17. 2277

    Shear Strengthening of RC Deep Beams with Symmetrically or Asymmetrically Positioned Square Openings Using CFRP Composites and Steel Protective Frames by Hamid Karimizadeh, Abolfazl Arabzadeh, Mohammad Reza Eftekhar, Asghar Amani Dashlejeh

    Published 2022-01-01
    “…This study utilizes carbon fiber-reinforced polymer (CFRP) composites and steel protective frames (SPF) as strengthening configurations in reinforced concrete (RC) deep beams to improve the strength lost due to the square openings. …”
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  18. 2278

    The Toulouse–Kleman homotopic classification of topological defects in ordered systems illustrated by experiments by Pieranski, Pawel, Godinho, Maria Helena

    Published 2024-12-01
    “…As the second example we chose the captive disclination loops threaded on polymer fibers immersed in nematics. Third, we focus on objects with double topological character defined for the first time in the generic article coauthored by Gérard Toulouse: the “double et tripple anneau” Hopf links made of interlaced dislocation loops in cholesterics. …”
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  19. 2279

    ptimal Allocation of Orders in the Online Load Distribution and Load Balancing of Assembly Lines by Nima Rahmani, Amir Najafi

    Published 2022-03-01
    “…Johnson, Palmer, and the meta-heuristic algorithm of annealing are the three allocation approaches studied in this paper, using the data obtained from the production line of polymer films, Plate Company, Iran. The results of the study indicate that Johnson's algorithm and the OBA-RH algorithm offer the best outcome in minimizing system loads.…”
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  20. 2280

    Effects of solar radiation on collagen-based biomaterials by Alina Sionkowska, Marcin Wisniewski, Joanna Skopinska, Diego Mantovani

    Published 2006-01-01
    “…The effect of solar radiation on collagen and collagen/synthetic polymer blends in the form of thin films and solutions has been studied by UV-VIS and FTIR spectroscopies. …”
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