This research is conducted as a test of the level of satisfaction of residents in the Central Highlands of Vietnam, specifically in DamB’ri Commune, Bao Loc City, Lam Dong Province. The survey of 100 residents at 4 hamlets of DamB’ri Commune did not record statistically significant differences in the level of satisfaction of participants for the criteria including sexes, educational level, occupation, and working age. Nevertheless, there was a statistically noticeable higher level of satisfaction with Health Insurance for participants who are officers at Hamlet 3. The results of the multiple linear regression method, including 7 independent variables and 1 dependent variable, based on the Health Belief Model (HBM), show that the awareness about restrictions and benefits are the core factors impacting the level of satisfaction of residents. The results also provide crucial evidence for authorities and policymakers to devise plans and solutions to increase the level of satisfaction with Health Insurance for people in Central Highlands.

The study aims to investigate the learning attitude of Chinese-major students who are studying non-major English at Thu Dau Mot University toward non-major English language learning. By surveying 95 randomly selected Chinese language students from Courses D21TQ and D22TQ, it was found that the majority of students had a normal attitude towards learning non-major English, accounting for 76%, while students had a normal interest in learning, accounting for 75.8%, and the biggest difficulty was learning English vocabulary, accounting for 70.8%. The article proposes solutions such as innovating teaching methods, enhancing vocabulary practice, enhancing communication skills and supporting students to learn proactively, and also contributes useful suggestions to improve the quality of teaching and learning non-major English at Thu Dau Mot University.

The theory of differential equations arises from the study of physical phenomena. This field has various applications in science and engineering. The study of qualitative properties for each mathematical model plays an important role, attracting the attention of both theoretical and applied researchers. Normally, the most significant qualitative property to be studied first is the existence and uniqueness of the solutions of each mathematical model. However, proving existence and uniqueness results for mathematical models where the source function has a singularity is a difficult problem and requires many different techniques. In this paper, we establish some new conditions suitable to achieve the unique solution criterion for ordinary first-order differential equations. To obtain the desired results, we have improved the methods that have been used to prove the results in the work of Krasnosel'skii and Krein (Krasnoselskii and Krein, 1956). In addition, we also provide an example to illustrate the theoretical results.

Building a contingent of ethnic minority cadres has consistently been a guiding principle and strategic policy of the Communist Party of Vietnam throughout different revolutionary periods. Consequently, ethnic affairs in areas with ethnic minority populations have always received special attention from the Party and the State. Effectively carrying out this work ensures equality, solidarity, and shared development among ethnic groups across the nation. This article evaluates the current status of ethnic affairs and the Khmer ethnic cadre force in Tra Vinh province and proposes several solutions to enhance ethnic work and develop a contingent of ethnic cadres capable of meeting the demands of the new era.

The study investigates the challenges faced by Food Technology students at Thu Dau Mot University in mastering English reading and writing skills. The findings reveal that limited vocabulary and grammar knowledge significantly hinder students' proficiency in these areas. For reading, students struggle with insufficient vocabulary, poor comprehension strategies, and a lack of background knowledge, making it difficult to understand texts, identify main ideas, and interpret references. Similarly, writing is affected by challenges such as improper grammar usage, insufficient vocabulary, awkward phrasing, and issues with sentence construction. Mistakes in punctuation, spelling, and word order further reduce the quality of written work, limiting students’ ability to express ideas clearly and cohesively. These difficulties stem from a combination of linguistic limitations, lack of exposure to English, and insufficient support in structured learning strategies. The study highlights the urgent need for targeted interventions to address these challenges. Proposed solutions include vocabulary enhancement exercises, grammar-focused sessions, structured reading techniques, and writing workshops. Additionally, integrating modern tools like AI-powered learning applications can provide personalized feedback and improve overall proficiency. By adopting these strategies, students can gradually overcome their difficulties, enhancing their reading and writing skills to meet both academic and professional demands. The findings emphasize the importance of consistent practice and tailored learning approaches in language development.

Enzyme immobilization offers an innovative approach for reuse, preservation, and optimization of production efficiency and costs in the food and biofuel industries. In this study, amylase enzymes immobilized in Ca-alginate membranes were utilized in the fermentation of traditional sticky rice wine. The morphology and activity of immobilized amylase beads were maintained effectively at a 2% concentration of both carrier material and enzyme solution. After seven days of fermentation, fermentation efficiency reached an ethanol concentration of 55% v/v. The activity of immobilized amylase retained 60% of its activity after four consecutive fermentation cycles. These results suggest that immobilized amylase beads have promising applications in sticky rice wine production, replacing free amylase, which is difficult to recover and reuse.

Fractional differential equations are an important branch of mathematics and have been considered under many different fractional derivatives. Among them, differential equations with Riesz-Caputo fractional derivatives have also attracted the attention of many researchers. Studying differential equations that may have singularity coefficients is more difficult than usual because they require several complex techniques. In the present paper, we consider a nonlinear pantograph differential equation where the source function may have a temporal singularity. Using the contraction principle, we prove that the problem has a unique solution under some appropriate conditions. Furthermore, we define a new type of Ulam-Hyers stability and show the main equation of the problem is stable in the mentioned sense. To obtain the main results, a new inequality is proposed and proved. Some examples are constructed to confirm the validity and feasibility of the theoretical results.

We consider a boundary value problem involving a fractional differential equation with a g-Caputo fractional derivative. This paper establishes some new criteria for the existence of solutions to the problem, differing from those obtained by previous researchers. The method is based on the construction of a novel Green’s function and the application of the Schauder fixed point theorem. Examples are provided to illustrate the fundamental distinctions between our results and earlier work.

The rising demand for automation in agriculture and manufacturing necessitates efficient, cost-effective sorting systems to replace labor-intensive manual processes. This paper introduces an innovative system integrating a Siemens S7-1200 Programmable Logic Controller (PLC), LabVIEW-based image processing, and OPC (OLE for Process Control) communication for automated tomato sorting. Utilizing real-time vision analysis, the system classifies tomatoes by color and size, offering a low-cost, scalable solution tailored for small-scale industries. A high-resolution camera captures images, processed in LabVIEW using HSV color space and size thresholds, with results relayed via OPC to the PLC, which actuates a stepper motor-driven sorting mechanism. Experimental validation in a controlled setting achieved 92% sorting accuracy and a throughput of 60 tomatoes per minute, surpassing manual sorting in speed and consistency. The modular design supports scalability to other agricultural products, enhancing its practical utility.

In this paper, Mn-Fe bimetallic nanoparticles were synthesized by simultaneous reduction of a salt mixture of KMnO4 and FeCl3 with glucose as a reducing agent. Degradation of methyl orange in aqueous solution, using hydrogen peroxide as an oxidizing agent, was used to evaluate the catalytic activity of the material. The material was characterized using scanning electron microscopy, X-ray diffraction, and energy-dispersive X-ray spectroscopy. The results showed that cubic manganese oxide nanoparticles were formed at the molar ratio of KMnO4/C6H12O6·H2O = 5/5 and the hydrothermal temperature of 120-220°C, while the oval-shaped structure was formed at the molar ratio of KMnO4/C6H12O6·H2O = 5/40 and the hydrothermal temperature of 220 °C. The cubic Mn-Fe bimetallic nanoparticle was still formed at the molar ratio of Mn/Fe/C6H12O6 = 5/2/5 and the hydrothermal temperature of 120°C, and the methyl orange decomposition efficiency was found to be the highest value of 57% on this catalyst sample.

Assessing the current status of solid waste management in the leather footwear industry of Can Sports Vietnam Co., Ltd. in particular to identify urgent issues in solid waste management. Through the assessment process, it was found that the company has implemented well the steps of solid waste management from classification, collection and storage, according to the provisions of law and customers. However, there are still difficulties in management arising from workers' awareness, management costs, and facilities when storing waste. With the amount of solid waste increasing according to production needs, the topic has proposed appropriate solutions such as disseminating detailed instructions on the classification process to workers and establishing reward, and incentive mechanisms for improvement projects to help reduce solid waste in production.

Due to the limitations of traditional adsorbents for dyeing wastewater, this study combined natural adsorbent (CS, chitosan) and hydroxyapatite (HAp) to form a composite for enhancing the adsorption of aqueous Congo red (CR). The chitosan was prepared from crab shells (Somanniathelphusa sinensis) with a deacetylation degree of about 89%. The HAp and HAp-CS composites were prepared by precipitation in high pH (~10) with the help of concentrated ammonia water (25%). The crab shell chitosan and chitin were characterized by the FTIR method, and the HAp and HAp-CS composites were analyzed using the SEM method. The CR adsorption experiments were carried out in batch form and sampled once for each condition. The results showed that the characteristic peaks in the FTIR spectrum confirmed the success of the crab shell chitosan preparation. The HAp and HAp-CS composites possess porous structures and seem to have a high surface area. The CR adsorptions reached optimal after 5-15 min. contacting, the adsorption efficiency tended to decrease with the initial concentration of CR and increase with the adsorbent dosage. The initial pH of the solution affected the adsorption efficiency for the 70%HAp-CS and 30%HAp-CS composites but had almost no effect on the adsorption capacity of 0%HAp-CS and 50%HAp-CS. The 50%HAp-CS composite had the best adsorption capacity among the synthesized composites (qmax = 769.2mg/g). The adsorption isotherm and kinetics best fit the Langmuir isotherm and pseudo-second-order kinetics model.

The excellent flexibility of graphene materials that allows them to adjust to the curvature of the substrate surface, chemical surface inertness, and impermeability have attracted considerable attention in the past decade as a blending material and an additive in anti-corrosion coatings. In this paper, we present the role of graphene in enhancing the protective properties of anti-corrosion coatings on metal surfaces with the aim of improving the anti-corrosion performance and extending the life of the coating on metal structures, comparing the anti-corrosion ability of graphene with some types of metal oxide materials such as zinc oxide, titanium dioxide. The methods of graphene fabrication and the method of blending graphene into the coating composition give results on mechanical properties, wettability, antibacterial properties, anti-corrosion properties, fire resistance and current research trends in graphene-based coating materials and explore optimal solutions for applications in the paint industry.

In recent years, asymmetric gold nanoparticles have attracted a lot of attention from researchers owing to their unique properties and varied applications in many fields. In this study, gold nanobranches were prepared using a one-step, green reducing method, with the HEPES buffer acting as both a reducing agent and surfactant. The formation of gold nanoparticles was evaluated using UV-Vis spectroscopy by controlling several practical factors, including the volume of gold salt precursor, the concentration of HEPES buffer, and the solution pH. The morphologies and crystallization of the gold nanobranches were characterized by Scanning electron microscopy (SEM) and X-ray diffraction (XRD). The results indicated that under the optimal synthesis conditions, namely 250 µL of 5 mM HAuCl₄, 0.10 M HEPES, and a pH of 7.5, most of the gold particles in the colloidal solution exhibited multiple branches, with an average size ranging from 20 to 35 nm and high crystal density. This study presented a simple synthesis method utilizing eco-friendly substances to replace conventional reducing agents, contributing to the sustainable development of nanotechnology.

Resistant starch (RS) is an insoluble fibre stable under various food processing conditions, including high temperatures and pH levels. RS has many beneficial effects on human health, such as positive effects on digestive tract activity, microflora, blood cholesterol levels, glycemic index, diabetes control, increased satiety and effective weight loss. Recently, RS has emerged as a comprehensive health improvement solution. This report helps to clarify the basis of the effects and applications of this type of starch.

As fossil fuel resources are gradually depleting, countries are increasingly focusing on developing renewable energy as a sustainable alternative. A trend is the shift of the energy market towards a decentralized model, where renewable energy can be traded flexibly. This is partly evidenced by the rise of blockchain-based solutions in the energy sector. Blockchain technology garners attention due to its outstanding advantages such as anonymity, decentralization, and transparency. Therefore, this study explores the application of blockchain in the energy sector. We shed light on four main areas: energy management, peer-to-peer (P2P) trading, applications related to electric vehicles, and carbon credit trading. This paper provides insights into how blockchain technology can act as a catalyst for revolutionizing the energy sector in both management and control

The study aims to explore factors influencing middle school students' motivation to learn. Instead of assuming a general decline in motivation, it objectively examines the issue through research, identifying key influences such as curriculum difficulty, teaching methods, and external pressures. By analyzing survey data from eighth-grade students at Chu Van An Middle School, the study provides evidence-based insights into the challenges affecting student engagement in learning. This research aims to identify the factors affecting the learning motivation of middle school students to help them become more engaged in their studies. In this study, the author designed a survey questionnaire of 8 questions combined with a quantitative method to identify the factors causing a lack of interest in learning among middle school students. The survey was conducted at Chu Van An Middle School in Binh Duong Province. The survey participants were 375 eighth-grade students in the 2024-2025 academic year. According to the survey, 184 male students felt uninterested in learning due to various factors, accounting for 49.07%; 157 female students, accounting for 41.87%; and 34 students of other genders, accounting for 9.07%. Given this situation, it is urgent to propose feasible solutions to help students regain interest in learning.

This paper focuses on the application of the two-step flow theory in university admission communication strategies, particularly in the context of university autonomy in Vietnam. The two-step flow theory, developed by Katz and Lazarsfeld (1955), emphasizes the role of opinion leaders in transmitting messages from the information source to the target audience. In addition to analyzing the core elements of the theory and the methods of identifying and utilizing influential individuals within the educational community, this study proposes solutions for applying digital tools to support communication processes. These solutions include optimizing content and search engine tools, organizing both online and offline communication events, and closely coordinating with opinion leaders to implement proactive, flexible, and creative admission communication campaigns that are sustained throughout the process. Consequently, the study aims to enhance the quality of university admissions in the context of digital transformation

Vocational guidance plays an important role in career orientation for secondary students. Before entering the secondary school graduation exam, schools around the country start to organize career counseling. This urgent issue drives parents, teachers, and students up the wall, especially students are the learners who directly suffer from this consequence leading to students’ mental health issues. The study aim is to find out the optimal solution that helps students overcome the high pressure of vocational counseling before the graduation exam. In this inquiry, quantitative research is the best method to focus on surveying students’ awareness based on comparative research which is typical research, and via this exploration to evaluate the research object comprehensively. The comparative research is applied in this article to discover the differences between vocational guidance before and after the 10th-grade entrance exam towards poorer and lower-scoring students. This study is put into operation at Chu Van An secondary school – in Binh Duong province – academic year 2023-2024 and the students of grade 9 are research objects which are chosen to answer survey questions. According to survey tables, more than 93.3% of students with poorer and lower scores select vocational guidance after the secondary school graduation exam and 6.7% of students take the reverse one. What we need to think about is whether this way of present career counseling is feasible

Advanced materials have been of interest in recent years because of their outstanding properties that bring many useful applications to humans, they can be highly compatible with alternative materials. In particular, coating materials on HAp base increase the biocompatibility of HAp. In this study, we synthesize TiO2/HAp composite materials using the sol - gel method. Samples were made under different synthesis conditions in terms of HAp/TTIP ratios: (1:1); (1:1.5); (1:2); (1:2.5); (1:3). Factors affecting the synthesis process, such as the incubation time and pH of the solution, were also investigated. The optimal conditions for the synthesis process are the ratio HAp/TTIP: 1 gram HAp with 2 ml TTIP; stirring time: 16 hours; pH of the gel solution: pH = 0.5, as determined from the analysis of the X-ray diffraction spectrum and SEM surface morphology. The research results are the basis for research on biomedical materials.

International integration not only brings opportunities but also challenges for teaching and learning English. Like other universities, Thu Dau Mot University focuses on teaching English for non-majored students of different faculties to meet the curriculum as well as provide knowledge for them to be confident when communicating. However, teaching English to non-majors still faces a lot of difficulties due to a number of factors. This study aims to understand the attitudes of non-English major students toward learning English at TDMU. Quantitative methods are used through survey questionnaires related to students' attitudes toward learning English and factors affecting students' attitudes toward learning English, and also finding out their wishes when participating in English learning activities in class. The questionnaire was sent to 190 students of different levels (levels 3-5). The results of the study show that most students are aware of the importance of learning English but they are not highly motivated to learn. According to the analysis results, students do not have a positive attitude towards learning English for the following reasons: They haven't spent time studying because they have to work part-time job for paying tuition fee; The purpose of using this language after graduation has not been determined, and they haven’t found a suitable learning method. From these findings, some solutions have been discussed to improve students' English learning attitudes, help lecturers make appropriate adjustments to improve students' learning outcomes and meet the standards school output as well as meet the needs of society.

The article explores the influence of the mother tongue (Vietnamese) on practicing to develop first-year students’ English writing skills at Thu Dau Mot University. Analytical data was collected from 100 first-year students majoring in English Language at the Faculty of Foreign Languages - Thu Dau Mot University. Research results show that students are still greatly influenced by Vietnamese (first language) in the process of practicing English writing skills. Among the students surveyed, up to 58.4% said they were still influenced by the way of thinking in Vietnamese, and then switched to English to follow the writing style of Vietnamese. … The remaining % said they had practiced writing in English through many writing activities at English centers and had practiced writing through thinking in English. The rest of the article proposes some solutions to help students overcome the above barriers to develop effective writing skills.

ABSTRACT Nowadays, parents' needs are increasing to choose toys, especially painting colors, that are both beautiful, ensure their children's health, and are also environmentally friendly. In the production of industrial painting colors, waste from steps in the watercolor production line, if not treated to meet environmental standards according to regulations, will become a huge hazard to the environment and human health. human. Including causing skin, eye, digestive, and respiratory allergies. Causes poisoning, disease, cancer... Destroys the aquatic environment, trees, pollutes rivers and lakes. When building an industrial painting colors production line and putting it into use, if you do not think about solutions to treat wastewater from the production process, it will not be able to operate long term. Wastewater from color factories is mainly heavy metals contained in painting colors such as lead carbonate, oxide, and metal salts containing cadmium chromate. These substances cause mass death of organisms in the water, and polluted water cannot be used for agriculture. This research uses two main methods: experimental research to create products; combined with the questionnaire survey method to get customer opinions after using the painting colors test. Research results show that painting colors products made from fruits and vegetables combined with beeswax and coconut oil are very eye-catching and receive positive feedback from customers. With the im of protecting children in the future and responding to the green environmental message in the world, we hope that safe painting colors products from vegetables and fruits will be popularized in the community in the future. Keywords: vegetables, painting colors, environmental protection, safe products, beeswax.

In this paper, MIL-53(Al) was synthesized by solvothermal method and its application as an adsorbent to remove rhodamine B from aqueous solution. The material was characterized using X-ray diffraction, Fourier-transform infrared spectroscopy, nitrogen adsorption-desorption isotherms, and scanning electron microscopy. The results show that the material has a large specific surface area (1028.3 m2/g). The rhodamine B adsorption on MIL-53(Al) occurs very quickly in the first minutes of contact. Two pseudo-first order and pseudo-second order adsorption kinetic models, and two adsorption isotherm models, including Langmuir and Freundlich, were used to analyze the adsorption data.