Results 11 to 20 of about 243,420 (282)
Analysis of operating conditions of heavy-loaded and heat-stressed friction units of powerful internal combustion engines and development of copper nanocomposite powder materials for them [PDF]
MATEC Web of Conferences, 2019 The article provides analysis of operating conditions for the «valve – valve guide» heavy-loaded and heat-stressed friction unit of the gas distribution mechanism of powerful internal combustion engines and establishes requirements to materials for valve
Shalunov Evgeny +2 more
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Transportation Engineering, 2022 Thermosetting resins have a limited ability to absorb impacting energy and deform in the transversal direction. Thermoplastics, on the other hand, are reformable meaning their shape can be modified after the polymerization process has occurred.
Christopher D. Mackin, Gobinda C. Saha
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Small Science, 2022 The lack of highly efficient, inexpensive catalysts severely hinders the large‐scale application of electrochemical energy conversion technologies (e.g., electrochemical hydrogen evolution reaction (HER) for hydrogen production, metal–air batteries ...
Yingying Guo +9 more
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Minimal Mass and Maximal Buckling Load of Composite Hexagonal-Triangle Grid Structure using FSDT under External Hydrostatic Pressure [PDF]
Mechanics of Advanced Composite Structures, 2023 Grid-stiffened composite shells are one of the most important structures in many industries. These structures based on their fabrication method, provide both high strength and light structural weight.
Mahsa Soheil Shamaee, Ahmad Reza Ghasemi
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Conductive Metal-Organic Frameworks for Amperometric Sensing of Paracetamol
Frontiers in Chemistry, 2020 An electrochemical sensor for paracetamol is executed by using conductive MOF (NiCu-CAT), which is synthesized by 2, 3, 6, 7, 10, 11-hexahydroxytriphenylene (HHTP) ligand.
Jing Wang +7 more
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Energy Science & Engineering, 2022 Herein we demonstrate the preparation and characterization of nanocrystalline ZnO, either pure or promoted with 1–10 wt.% K2O. All catalysts calcined at 400°C were in the nano‐crystallite scale as confirmed by X‐ray powder diffraction analysis in the 22 ...
Samih A. Halawy +2 more
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Nano Materials Science, 2023 Photocatalytic reduction of CO2 is considered as a kind of promising technologies for solving the greenhouse effect. Herein, a novel hybrid structure of g-C3N4/ZnO/Ti3C2 photocatalysts was designed and fabricated to investigate their abilities for CO2 ...
Jianxin Li +11 more
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ChemElectroChem, 2020 The key challenge for solar water oxidation is to develop photoanodes with high charge transfer and separation efficiency as well as rapid surface reaction kinetics.
Weiqian Kong +6 more
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Balangu/Fe3O4/Ag2S/Polyurethane as an Innovative Bio-Nanocomposite Hydrogel: Synthesis, Characterization, Swelling and Drug Delivery Capacity [PDF]
Journal of Sciences, Islamic Republic of Iran, 2022 The primary interest of researchers from biology, physics, medicine, chemistry, industry, and material science towards nanotechnology is the most upgrading of production methods, especially those that are cleaner and simpler. This work investigates a new
Farzaneh sheikhshoaii +2 more
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SnO2–Fe3O4 nanocomposites for the photodegradation of the Congo red dye
Heliyon, 2022 Synthesis of SnO2–Fe3O4 nanocomposites was conducted. The purpose of this study was to obtain the SnO2–Fe3O4 nanocomposites, the effectiveness of photodegradation Congo red by SnO2–Fe3O4 nanocomposites and determine the kinetics of photodegradation.
Muhammad Said +5 more
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