In this paper, we introduce condition (∗) for modules and show that every CS-semisimple ring having condition (∗) is a QF ring.
本文引入了模的条件(∗)，并证明了每个具有条件(∗)的cs -半单环是一个QF环。
{"title":"A NOTE ON CS-SEMISIMPLE RING","authors":"LE Van An, NGUYEN Thi Hai Anh","doi":"10.56824/vujs.2023a033","DOIUrl":"https://doi.org/10.56824/vujs.2023a033","url":null,"abstract":"In this paper, we introduce condition (∗) for modules and show that every CS-semisimple ring having condition (∗) is a QF ring.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136266002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Along with the establishment of Ha Tinh province in 1831, the space of Ha Tinh provincial capital was gradually formed. Experiencing many historical upheavals, the provincial capital of Ha Tinh province has many changes from function, geographical space to infrastructure, population size, socio-economic development speed. The article focuses on restoring the spatial variation of Ha Tinh urban area from 1831 to 2019, thereby pointing out the role of Ha Tinh provincial capital in Ha Tinh province in different aspects.
{"title":"THE FOUNDATION, DEVELOPMENT, ROLE OF HA TINH PROVINCE CAPITAL FOR HA TINH PROVINCE FROM 1831 TO 2019","authors":"MAI Thi Thanh Nga, NGUYEN Thi Nga","doi":"10.56824/vujs.2023b099","DOIUrl":"https://doi.org/10.56824/vujs.2023b099","url":null,"abstract":"Along with the establishment of Ha Tinh province in 1831, the space of Ha Tinh provincial capital was gradually formed. Experiencing many historical upheavals, the provincial capital of Ha Tinh province has many changes from function, geographical space to infrastructure, population size, socio-economic development speed. The article focuses on restoring the spatial variation of Ha Tinh urban area from 1831 to 2019, thereby pointing out the role of Ha Tinh provincial capital in Ha Tinh province in different aspects.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136307931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TRUONG Thi My Hanh, NGUYEN Thi Nguyen, LE Thi May, NGUYEN Thi Hanh, NGUYEN Minh Quan, CAO Van Hanh, PHAN Trong Binh, TRUONG Thi Thanh Vinh, PHAM Van Thin, DANG Thi Lua
Nghiên cứu được thực hiện từ tháng 9 đến tháng 12 năm 2022. Mục đích của nghiên cứu nhằm chỉ ra ảnh hưởng của ký sinh trùng lên tỷ lệ sống của cá và biện pháp trị bệnh hiệu quả. Phương pháp soi tươi đã được áp dụng để phát hiện ký sinh trùng và cá nhiễm ký sinh trùng được tắm bằng nước ngọt có bổ sung Formalin (150ppm) trong 7-9 phút/lần, kết hợp bổ sung 20mL Fishcare (dịch chiết từ quế và tỏi) trong 1 tạ thức ăn cho cá ăn liên tục trong 7 ngày Kết quả nghiên cứu đã chỉ ra: Amyloodinium sp. và Cryptocaryon sp. ký sinh ở cá chim vây vàng với cường độ nhiễm lần lượt tương ứng 13,1 và 21,6 trùng/vi trường. Biểu hiện bất thường được ghi nhận ở cá nhiễm ký sinh trùng bao gồm giảm ăn, bơi sát thành lồng, mang nhợt, màu sắc thân không đồng đều. Biện pháp tắm cá, thay lồng, bổ sung thảo dược tách chiết từ quế và tỏi có hiệu quả trị bệnh với tỷ lệ sống đạt > 90%. Đây cũng là báo cáo đầy đủ chi tiết đầu tiên về ảnh hưởng của Amyloodinium sp. và Cryptocaryon sp. lên tỷ lệ sống của cá chim vây vàng và kỹ thuật trị bệnh của 2 loài ký sinh trùng này.
{"title":"Effects of parasite on the survivity rate of golden fin pompano (trachinotus falcatus) cultured in hai phong and treatment solution","authors":"TRUONG Thi My Hanh, NGUYEN Thi Nguyen, LE Thi May, NGUYEN Thi Hanh, NGUYEN Minh Quan, CAO Van Hanh, PHAN Trong Binh, TRUONG Thi Thanh Vinh, PHAM Van Thin, DANG Thi Lua","doi":"10.56824/vujs.2023a042","DOIUrl":"https://doi.org/10.56824/vujs.2023a042","url":null,"abstract":"Nghiên cứu được thực hiện từ tháng 9 đến tháng 12 năm 2022. Mục đích của nghiên cứu nhằm chỉ ra ảnh hưởng của ký sinh trùng lên tỷ lệ sống của cá và biện pháp trị bệnh hiệu quả. Phương pháp soi tươi đã được áp dụng để phát hiện ký sinh trùng và cá nhiễm ký sinh trùng được tắm bằng nước ngọt có bổ sung Formalin (150ppm) trong 7-9 phút/lần, kết hợp bổ sung 20mL Fishcare (dịch chiết từ quế và tỏi) trong 1 tạ thức ăn cho cá ăn liên tục trong 7 ngày Kết quả nghiên cứu đã chỉ ra: Amyloodinium sp. và Cryptocaryon sp. ký sinh ở cá chim vây vàng với cường độ nhiễm lần lượt tương ứng 13,1 và 21,6 trùng/vi trường. Biểu hiện bất thường được ghi nhận ở cá nhiễm ký sinh trùng bao gồm giảm ăn, bơi sát thành lồng, mang nhợt, màu sắc thân không đồng đều. Biện pháp tắm cá, thay lồng, bổ sung thảo dược tách chiết từ quế và tỏi có hiệu quả trị bệnh với tỷ lệ sống đạt > 90%. Đây cũng là báo cáo đầy đủ chi tiết đầu tiên về ảnh hưởng của Amyloodinium sp. và Cryptocaryon sp. lên tỷ lệ sống của cá chim vây vàng và kỹ thuật trị bệnh của 2 loài ký sinh trùng này.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136266006","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TRAN Hai Thanh, NGUYEN Lan Oanh, NGUYEN Thu Phuong, NGUYEN Thi Duyen
This paper focuses on researching, analyzing, and evaluating universities scheduling problem which requires scheduling multiple classes, different teachers and classrooms, along with various constraints such as teacher's teaching hours, classroom capacity, and other resources. In order to solve this problem, Tabu search algorithm has been proposed, which based on searching for the best solutions for adaptive memory and reactive exploration. The constraints and limitations of the problem will be used to create a list of Tabu conditions to ensure that non-optimal solutions will not be repeated. After initializing and updating the adaptive memory, the Tabu search algorithm will search for the next solutions based on the Tabu conditions and adaptive memory. In this way, the Tabu search algorithm can find optimal solutions for this scheduling problem for universities. However, there are many challenges and limitations in the application of this algorithm, such as the large number of constraints to be follow, the determination of suitable parameters, and the dependence on the programmer's experience
{"title":"STUDY ON SCHEDULING PROBLEM TOWARDS TARGETED OUTREACH, APPLIED TO UNIVERSITY SCHEDULING","authors":"TRAN Hai Thanh, NGUYEN Lan Oanh, NGUYEN Thu Phuong, NGUYEN Thi Duyen","doi":"10.56824/vujs.2023a063","DOIUrl":"https://doi.org/10.56824/vujs.2023a063","url":null,"abstract":"This paper focuses on researching, analyzing, and evaluating universities scheduling problem which requires scheduling multiple classes, different teachers and classrooms, along with various constraints such as teacher's teaching hours, classroom capacity, and other resources. In order to solve this problem, Tabu search algorithm has been proposed, which based on searching for the best solutions for adaptive memory and reactive exploration. The constraints and limitations of the problem will be used to create a list of Tabu conditions to ensure that non-optimal solutions will not be repeated. After initializing and updating the adaptive memory, the Tabu search algorithm will search for the next solutions based on the Tabu conditions and adaptive memory. In this way, the Tabu search algorithm can find optimal solutions for this scheduling problem for universities. However, there are many challenges and limitations in the application of this algorithm, such as the large number of constraints to be follow, the determination of suitable parameters, and the dependence on the programmer's experience","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136266011","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Training and assessment according to the learning outcomes (LO) is an inevitable trend in improving the quality of teaching and learning in undergraduate education. The Introduction to Pedagogy course in the teacher training program is designed with the learning outcomes: the knowledge of pedagogy, planning skills, communication and teamwork skills, discipline training, and teacher behavior. On that basis, assessment toolkits are designed to match the course learning outcomes (CLO). The course is organized in the form of project-based learning and practical experience at preschools, primary schools, or secondary schools. The initial implementation shows learners' initiative and positivity in learning, understanding the level of requirements to be achieved through the set of assessment criteria announced at the beginning of the course, helping learners form future career competencies.
{"title":"DESIGNING LEARNING OUTCOMES AND ASSESSMENT TOOLKITS FOR THE INTRODUCTION TO PEDAGOGY COURSE IN THE TEACHER TRAINING PROGRAM AT VINH UNIVERSITY","authors":"NGUYEN Thi Trang Thanh, HOANG Tang Duc","doi":"10.56824/vujs.2023b070","DOIUrl":"https://doi.org/10.56824/vujs.2023b070","url":null,"abstract":"Training and assessment according to the learning outcomes (LO) is an inevitable trend in improving the quality of teaching and learning in undergraduate education. The Introduction to Pedagogy course in the teacher training program is designed with the learning outcomes: the knowledge of pedagogy, planning skills, communication and teamwork skills, discipline training, and teacher behavior. On that basis, assessment toolkits are designed to match the course learning outcomes (CLO). The course is organized in the form of project-based learning and practical experience at preschools, primary schools, or secondary schools. The initial implementation shows learners' initiative and positivity in learning, understanding the level of requirements to be achieved through the set of assessment criteria announced at the beginning of the course, helping learners form future career competencies.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136314054","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
In the integration and development trend of education in general and university training in particular, continuous innovation of teaching methods is crucial for achieving optimal effectiveness. Project-based learning courses are vital components in higher education programs, garnering attention in terms of faculty, training programs, and infrastructure investment. This paper aims to enhance the quality of education and diversify the implementation of Computer-Aided Design (CAD) project-based learning courses in automotive engineering. The contents of the module have been evaluated, thereby proposing a number of specific measures to adapt to the specific nature of the Automotive Engineering training field and improve the quality of provided education, including raising awareness of project-based learning, enhancing faculty capacity-building, diversifying teaching methods, and ensuring supportive conditions for teaching activities.
{"title":"SOME MEASURES TO IMPROVE THE TEACHING QUALITY OF THE PROJECT-BASED “CAD IN ENGINEERING” FOR AUTOMOTIVE ENGINEERING STUDENTS AT VINH UNIVERSITY","authors":"LUONG Ngoc Minh","doi":"10.56824/vujs.2023b037","DOIUrl":"https://doi.org/10.56824/vujs.2023b037","url":null,"abstract":"In the integration and development trend of education in general and university training in particular, continuous innovation of teaching methods is crucial for achieving optimal effectiveness. Project-based learning courses are vital components in higher education programs, garnering attention in terms of faculty, training programs, and infrastructure investment. This paper aims to enhance the quality of education and diversify the implementation of Computer-Aided Design (CAD) project-based learning courses in automotive engineering. The contents of the module have been evaluated, thereby proposing a number of specific measures to adapt to the specific nature of the Automotive Engineering training field and improve the quality of provided education, including raising awareness of project-based learning, enhancing faculty capacity-building, diversifying teaching methods, and ensuring supportive conditions for teaching activities.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136373984","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
TU Phuong Anh, TRAN Anh Duong, VU Thi Diem Quynh, TUONG Duy Hai
The research aims to build learning materials to support capacity development teaching for high school students in the thematic “Gravitational field” in Physics 11, following the orientation of The General Education Program in 2018. Based on the historical progress of Physics, Physics educational comics have been built for teaching “Gravitational Potential and Gravitational Potential Energy” in Physics 11. Specifically, this material can be applied as reference, teaching and assessment materials. The results of the survey on lecturers, teachers and students show that the comics are well received but need to expand the survey and improve the quality of the comics’ illutration to be more effective in supporting the study of high school students.
{"title":"BUILDING PHYSIC EDUCATIONAL STORIES TO SUPPORT TEACHING THEMATIC “GRAVITATIONAL FIELD”","authors":"TU Phuong Anh, TRAN Anh Duong, VU Thi Diem Quynh, TUONG Duy Hai","doi":"10.56824/vujs.2023b064","DOIUrl":"https://doi.org/10.56824/vujs.2023b064","url":null,"abstract":"The research aims to build learning materials to support capacity development teaching for high school students in the thematic “Gravitational field” in Physics 11, following the orientation of The General Education Program in 2018. Based on the historical progress of Physics, Physics educational comics have been built for teaching “Gravitational Potential and Gravitational Potential Energy” in Physics 11. Specifically, this material can be applied as reference, teaching and assessment materials. The results of the survey on lecturers, teachers and students show that the comics are well received but need to expand the survey and improve the quality of the comics’ illutration to be more effective in supporting the study of high school students.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"1202 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136375330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
The study aims to evaluate the impact of transformational leadership style on organizational commitment of employees at commercial banks in the context of digital transformation. Quantitative research methods have been used through exploratory factor analysis (EFA) and linear structural modeling (SEM) with a survey scale including 582 samples of employees at different commercial bank branches in all three regions of the country: North, Central and South. The results show both theoretical and practical contributions of the research as it has demonstrated the importance and both direct and indirect impact of transformational leadership style on three components of organizational commitment of employees including emotional bonding; calculation-based commitment and standards-based engagement through the mediating element, that is creativity at work. Based on the research results, a number of recommendations have been proposed to promote the transformational leadership style and strengthen the organizational commitment of employees at commercial banks in the context of digital transformation.
{"title":"IMPACT OF TRANSFORMATIONAL LEADERSHIP STYLE ON ORGANIZATIONAL COMMITMENT OF EMPLOYEES AT COMMERCIAL BANKS IN DIGITAL TRANSFORMATION CONTEXT","authors":"NGUYEN Thi Thu Cuc, TRAN Quang Bach","doi":"10.56824/vujs.2023b036","DOIUrl":"https://doi.org/10.56824/vujs.2023b036","url":null,"abstract":"The study aims to evaluate the impact of transformational leadership style on organizational commitment of employees at commercial banks in the context of digital transformation. Quantitative research methods have been used through exploratory factor analysis (EFA) and linear structural modeling (SEM) with a survey scale including 582 samples of employees at different commercial bank branches in all three regions of the country: North, Central and South. The results show both theoretical and practical contributions of the research as it has demonstrated the importance and both direct and indirect impact of transformational leadership style on three components of organizational commitment of employees including emotional bonding; calculation-based commitment and standards-based engagement through the mediating element, that is creativity at work. Based on the research results, a number of recommendations have been proposed to promote the transformational leadership style and strengthen the organizational commitment of employees at commercial banks in the context of digital transformation.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136307489","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
HA Thi Phuong, LE Thi Vinh, PHAN Dieu Hang, NGUYEN Thu Thuy, DAO Thi Ngoan, TU Anh Phong, NGUYEN Thi Nguyet, TRAN Thu Huong
This study aimed to investigate the properties of up-conversion luminescent nanomaterials containing Tm(III) and Yb(III) based on NaYF4 host. The materials were synthesized using the hydrothermal method. The morphology, structure and luminescent properties of the material were analyzed using field emission scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and photoluminescence spectroscopy. The results indicate that the synthesized nanomaterials were in the form of particles with a diameter ranging from 100-200 nm, had a hexagonal β-NaYF4 phase structure, and emitted blue light at a wavelength of 980 nm. These luminescent properties of the material indicate their potential application in biomedical fields.
{"title":"CHARACTERIZATION OF UP-CONVERSION LUMINESCENT NANO MATERIALS CONTAINING Tm(III)/Yb(III) BASED ON NaYF4 HOST","authors":"HA Thi Phuong, LE Thi Vinh, PHAN Dieu Hang, NGUYEN Thu Thuy, DAO Thi Ngoan, TU Anh Phong, NGUYEN Thi Nguyet, TRAN Thu Huong","doi":"10.56824/vujs.2023a051","DOIUrl":"https://doi.org/10.56824/vujs.2023a051","url":null,"abstract":"This study aimed to investigate the properties of up-conversion luminescent nanomaterials containing Tm(III) and Yb(III) based on NaYF4 host. The materials were synthesized using the hydrothermal method. The morphology, structure and luminescent properties of the material were analyzed using field emission scanning electron microscopy, X-ray diffraction, Fourier transform infrared spectroscopy, and photoluminescence spectroscopy. The results indicate that the synthesized nanomaterials were in the form of particles with a diameter ranging from 100-200 nm, had a hexagonal β-NaYF4 phase structure, and emitted blue light at a wavelength of 980 nm. These luminescent properties of the material indicate their potential application in biomedical fields.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136264263","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
NGUYEN Thi Duyen, VU Tien Lap, PHAM Thi Thoa, NGHIEM Thi Hung, HO Mau Viet, LE Hoang Hiep
In this paper, we focus on researching and building a system with the function of automatically classifying or classifying products assigned QR Code codes, applying Internet of Things technology and image processing techniques. The system collects information about the QR Code assigned on the input product from the Camera and then based on the rules that have been previously designed and programmed to stack or put the products in the desired position. Through the LabVIEW platform, the system analyzes any product image with high speed and accuracy (reaching 99%). Actual quantitative results are obtained based on conducting five specific experimental cases. The product's functions meet the requirements of the actual sorting or classification of goods, can be mass-installed at low cost, and is easy to use and maintain.
{"title":"STUDY TO BUILD A GOODS ARRANGING AND CLASSIFICATION SYSTEM BASED ON INTERNET OF THINGS","authors":"NGUYEN Thi Duyen, VU Tien Lap, PHAM Thi Thoa, NGHIEM Thi Hung, HO Mau Viet, LE Hoang Hiep","doi":"10.56824/vujs.2023a060","DOIUrl":"https://doi.org/10.56824/vujs.2023a060","url":null,"abstract":"In this paper, we focus on researching and building a system with the function of automatically classifying or classifying products assigned QR Code codes, applying Internet of Things technology and image processing techniques. The system collects information about the QR Code assigned on the input product from the Camera and then based on the rules that have been previously designed and programmed to stack or put the products in the desired position. Through the LabVIEW platform, the system analyzes any product image with high speed and accuracy (reaching 99%). Actual quantitative results are obtained based on conducting five specific experimental cases. The product's functions meet the requirements of the actual sorting or classification of goods, can be mass-installed at low cost, and is easy to use and maintain.","PeriodicalId":447825,"journal":{"name":"Vinh University Journal of Science","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136264268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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