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Adsorption Sites of C₂H₂ on Si(111) by Using a STM
Tran Thi Tham,Hee Jae Kang,Geunseop Lee,오석근 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.5
The adsorption sites of acetylene molecules on a Si(111) substrate have been studied by using a scanning tunneling microscope (STM) at room temperature (RT). After the deposition of 0.9 L C2H2 on Si(111) at 300 K, the C2H2 molecules were found to react with adatoms, consistent with the conffiguration of di- bonding sites between an adatom and a rest atom or a second layer atom. Both unshifted and shifted reacted adatoms were observed and were interpreted as a single bridge and a pair bridge, respectively.
An Integrated Approach of Fuzzy-AHP-TOPSIS for E-commerce Evaluation
Tran Thi Tham,Hong-Phuc Nguyen 대한산업공학회 2021 Industrial Engineeering & Management Systems Vol.20 No.2
E-commerce has been constantly evolving and increasingly popular in Vietnam recent years. In the global competitive environment as today, it requires a systematical process to evaluate and make a comparision among e-commerces as the references for customers’ decisions and business strategies development. This study proposes a methodology to evaluate the competitive advantages of online shopping websites including Lazada, Tiki, Shopee and Sendo in a case study in Vietnam. In the study, the Fuzzy Analytic Hierarchy Process (F-AHP) method is used to build the set of criteria weights. Fuzzy-Technique for Order of Preference by Similarity to Ideal Solution (F-TOPSIS) approach is then applied to evaluate and rank four websites. The results show that A1 is the most appreciated among the four proposed websites, follows by A3, A4 and A2, respectively. From the result, the business managers reconigze their advantages as well as disadvantages, inorder to build suitable strategies for business development.
A Bibliometrics Analysis of Research on Early Childhood Education in 2022
Thi-Lam Bui,Lien – Kim Thi Tran,Thi-Tham Tran,Dung-Thi My Nguyen,Ben-Phạm,Hung-Sy Ho,Linh-Phuong Hoang,Anh-Duc Hoang The Pacific Early Childhood Education Research Ass 2024 Asia-Pacific journal of research in early childhoo Vol.18 No.2
Introduction Methodology Results Conclusion, Recommendations, and Future Research Directions This research aims to find the research focus and to highlight authors, journals, and documents on early childhood education (ECE) in 2022. This article analyzed a dataset with 1586 Clarivate Web of Science indexed articles on this topic, using descriptive, co-occurrence and thematic analyses. The authors applied the preferred reporting items for systematic reviews and meta-analyses (PRISMA) flow to comply with the dataset. Excel, the R program in the Biblioshiny package, and VOSviewer version 1.7 were used for the descriptive and bibliographic analyses. The findings of this paper demonstrate the remarkable contribution of researchers from the United States and China in terms of research quantity and impact, as well as their collaboration with different researchers. The findings revealed four topics: language and speech; programmes, policies and their impact on children and preschool teachers; behaviour of preschool children; the quality of ECE. In addition, we figured out the top influential authors and journals. This study provided an overview of research in ECE in 2022 and highlighted essential issues that need to be focused on by ECE researchers and practitioners.
쩐꾸앙민 ( Tran Quang Minh ),응웬티탐 ( Nguyen Thi Tham ) 서강대학교 동아연구소 2016 東亞 硏究 Vol.35 No.2
지난 65년간 베트남과 북한 관계는 세 시기를 거쳐 왔다. 제1기는 양국의 외교관계 수립부터 베트남전쟁 종전까지이다. 제2기는 베트남전쟁 종전부터 1995년까지이다. 그리고 제3기는 1996년부터 현재까지이다. 이 논문은 지난 65년간 정치-외교적, 경제-상업적, 문화-교육적 부문에서 베트남-북한 관계의 전체적 특징을 살피고, 동시에 미래의 양자 관계의 전망에 영향을 주는 긍정적 요인들을 분석하고 평가한다. 제1기에 양국이 사회주의 체제의 일원으로서 매우 우호적 관계를 가졌다는 것을 보여준다. 제2기에 베트남-북한 관계는 국내외적 영향으로 인해 매우 어려운 시기에 처하였다. 그러나, 제3기에 베트남-북한 관계는 복구되었고 발전의 새로운 시기에 대한 좋은 징표를 보였다. 양측이 상호 우호 관계를 가지는 것이 새로운 구도 속에서 양측의 발전에 기여하리라는 것을 인식하기에, 양국 관계의 미래 전망은 밝다. Over the last 65 years, the relationship between Vietnam and North Korea has undergone 3 main periods. The first period was from the establishment of the diplomatic relation between the two countries to the end of the Vietnam War. The second period was from the end of the Vietnam War to 1995. And the third period was from 1996 to the present. This paper looks at overall characteristics of the relations between Vietnam and North Korea in the last 65 years on political-diplomatic, economic-commercial, and cultural-educational fields; simultaneously, analyzes and assess the positive factors affecting on prospects of bilateral relations between these two countries in the future. It shows that in the first period, the two countries had a very warm relation of the countries being members of the socialist system. In the second period the relationship between Vietnam and North Korea underwent a very difficult period due to the impact of internal and external factors. However, in the third period the Vietnam - North Korea relation was restored and showed good signs of a new period of development. The future prospect of the relation between the two countries is bright as both sides realize the fact that having good relation with each other will make good contribution to the development of both sides in the new context.
Doan Tham Thi Mong,Tran Gia Han,Nguyen Toan Khac,Lim Jin Hee,Lee Sanghyun 한국응용생명화학회 2024 Applied Biological Chemistry (Appl Biol Chem) Vol.67 No.-
Chrysanthemum morifolium is classified within the Asteraceae botanical family and serves as a phytomedicine in many countries. The objective of this study was to quantitatively analyze twelve phenolic compounds through HPLC/ UV and to assess the antioxidant abilities using the DPPH and ABTS+ assays in the leaves and flowers of six cultivars of C. morifolium: ‘Geumsu’, ‘Ilonka’, ‘Silvia’, ‘Pompadour’, ‘Yes Holic’, and ‘Ford’. The results indicated that the leaves of ‘Geumsu’ and ‘Ford’, as well as the ‘Pompadour’ flowers contained high levels of phenolic compounds and exhibited strong antioxidant abilities. Additionally, a relationship between the phenolic compounds and antioxidant activities was observed. These findings provide foundational knowledge about C. morifolium cultivars, which are promising natural sources that can offer health benefits.
Minh Tu Nguyen,Binh Thang Tran,Thanh Gia Nguyen,Minh Tri Phan,Thi Thu Tham Luong,Dinh Duong Le 한국보건의료인국가시험원 2022 보건의료교육평가 Vol.19 No.-
Purpose The current study aimed to use network analysis to investigate medical and health students’ readiness for online learning during the coronavirus disease 2019 (COVID-19) pandemic at the University of Medicine and Pharmacy, Hue University. Methods A questionnaire survey on the students’ readiness for online learning was performed using a Google Form from May 13 to June 22, 2021. In total, 1,377 completed responses were eligible for analysis out of 1,411 participants. The network structure was estimated for readiness scales with 6 factors: computer skills, internet skills, online communication, motivation, self-control, and self-learning. Data were fitted using a Gaussian graphical model with the extended Bayesian information criterion. Results In 1,377 students, a network structure was identified with 6 nodes and no isolated nodes. The top 3 partial correlations were similar in networks for the overall sample and subgroups of gender and grade levels. The self-control node was the strongest for the connection to others, with the highest nodal strength. The change of nodal strength was greatest in online communication for both gender and grade levels. The correlation stability coefficient for nodal strength was achieved for all networks. Conclusion These findings indicated that self-control was the most important factor in students’ readiness network structures for online learning. Therefore, self-control needs to be encouraged during online learning to improve the effectiveness of achieving online learning outcomes for students.