Số 51 (2025)
Science & Technology
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In this study, ZnO-Ag nanoparticles were successfully synthesized via the co-precipitation method, forming a stable wurtzite structure with uniform hexagonal particles of approximately 20–25 nm. Based on these nanoparticles, ZnO-Ag/alginate nanocomposites were synthesized at dif…
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This paper presents research findings on the successful design and fabrication of a hydroforming die system for manufacturing hollow X-shaped joint components on the universal press YH-32. The study applies hydroforming technology to form products from tubular blanks with high q…
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Providing stable electricity to mountainous regions remains a major challenge due to limited grid infrastructure and high investment costs, meanwhile, the potential integration of solar and hydropower resources in Vietnam has not yet been fully exploited. This paper presents the…
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Hydroforming (HF) is an advanced metal forming technology used to manufacture hollow components with complex geometries, in which the die shape-especially the transition radius-significantly influences material flow and forming quality. Although many studies have examined intern…
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In the stituation of the increasingly fierce competition in Vietnam’s Garment Industry, enhancing production efficiency and improving labor productivity have become urgent requirements, particularly for small and medium sized garment enterprises, which often face significant con…
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The surface-mounted permanent magnet synchronous motor (SPMSM) is one of the electric machines applied widely in the fields of electric vehicles (EVs) and electrical drives and electric drives in industry and civil. There are two types of SPMSM motors, namely inner rotor SPMSM a…
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In this paper, we propose an adaptive dynamic clustering algorithm PMACME for data transmission based on the priority MAC (Media Access Control) protocol PMME (Priority MAC protocol for MultiEvent Wireless Sensor Network) to reduce the risk of collision and delay of packets, rou…
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This study presents the design of a low-dropout linear voltage regulator using 90nm CMOS technology. The design addresses the increasing demand for stable and efficient power supplies capable of operating across a wide input voltage range for mobile applications. The proposed ci…
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Drilling A6061 aluminum alloy is a common operation in mechanical manufacturing but often encounters problems such as large heat generation, chip adhesion, dimensional deviation and rapid tool wear when selecting inappropriate technological parameters. This study uses the finite…
Economics & Social Sciences
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Implementing the financial autonomy mechanism for public universities according to the policy of the Party and the State requires the management of training costs based on the effective use of resources to be strengthened to improve the quality of training at schools.So the ques…
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The fertilizer industry plays an essential role in agriculture, the core sector of the Vietnamese economy. However, the industry is facing many challenges such as dependence on imported raw materials, global price fluctuations, trade protection policies and fierce competition fr…
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This study investigates the factors influencing corporate social responsibility (CSR) among retailers in Vietnam, based on a survey of 180 firms and analysis using the PLS-SEM model. The findings reveal that CSR practices of Vietnamese retailers are primarily driven by three sta…
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Customer satisfaction is playing an increasingly important role in enhancing the competitive advantage and operational efficiency of pharmaceutical retail enterprises. This study aims to identify the factors that influence customer satisfaction with the Long Châu pharmacy chain…
Scientific Forum
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Nanochitin, obtained from chitin through nanostructuring processes, exhibits distinct characteristics such as biocompatibility, water dispersibility, and non-toxicity. Owing to these features, it has become a subject of interest in diverse domains including food science, healthc…
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The article presents the model of a self-sufficient garden implemented at the Center for National Defense and Security Education, University of Economics - Technology for Industries, as a practical solution integrating student training activities with internal economic developme…
