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Nguyen,Tien Dzung,Nguyen,Anh Tuan,Do,Phu Tran Tinh 한국유통과학회 2019 KODISA ICBE (International Conference on Business Vol.2019 No.-
This study aims to assess the attraction of foreign direct investment in Vietnamese economic zones (including industrial zones and economic zones). The main research method used are synthesis and comparison analysis based on the data collected from the surveyed group comprising of enterprises operating in the economic zones in the Middle (Chu Lai, Nhon Hoi, Dung Quat) and the Southern (the largest island: Phu Quoc). After conducting surveys, research results show that there is a difference between the assessment and the level to meet the requirements of investors with business environment, expressed through the following criteria: (1) the infrastructure; (2) quality of public services; (3) preferential policies; (4) labor; (5) market; and (6) social services. Based on the assessment of the identified criteria, this paper had suggested six number of recommendations to promote the role of attracting foreign direct investment capital into the economic zones in Vietnam: (1) implementing the one-stop-shop policy; (2) continuing to improve the infrastructure of economic zones; (3) prevent and ensure the security of economic zones; (4) implementing vocational training activities to improve quality of human resources; (5) development of supporting industries; (6) raising the quality of capital invested in the economic zone.
Benefit of the Drinking Water Supply System in Office Building by Rainwater Harvesting
Anh Dzung Dao,Viet Anh Nguyen,Moo Young Han 대한환경공학회 2013 Environmental Engineering Research Vol.18 No.2
Vietnam is a developing country with the rate around 5%.6% per year, especially in urban areas. Rapidly developed urban areas lead to stress for infrastructure and the water supply is also stressed. In Hanoi city, total water capacity from the manufactories is around one million cubic meters per day and almost the entire main water source is groundwater but it is not enough to supply all of Hanoi`s people, especially in the summer. A demo project is implemented in Hanoi University of Civil Engineering (HUCE) to produce drinking water by using the rainwater and membrane system and supply for people. In this project, rainwater is collected on the rooftop of the lecture building with an area of around 500 m2 and 100 m3 volumetric rainwater tanks. Afterwards, the rainwater is treated by the micromembrane system and supplied to the tap water. Total cost for construction, technology and operation in the first year is around USD 48,558. In the long-term (15 yr) if HUCE invests in the same system, with 20 m3 volumetric storage tank, it can provide drinking water for 500 staffs in every year. The cost of investment and operation for this system is lower than 30% compared to buying bottled water with the price USD 1.8/bottle. The drinking water parameters after treatment are pH, 7.3.7.75; turbidity, 0.6.0.8 NUT; total dissolved solids, 60.89 mg/L; coliform, 0; heavy metal similar with water quality in the bottle water in Vietnam.
Nguyen Tien Dzung,Nguyen Anh Tuan,Do Phu Tran Tinh 한국유통과학회 2017 The Journal of Asian Finance, Economics and Busine Vol.4 No.3
This study aims to assess the attraction of foreign direct investment in Vietnamese economic zones (including industrial zones and economic zones). The main research method used are synthesis and comparison analysis based on the data collected from the surveyed group comprising of enterprises operating in the economic zones in the Middle (Chu Lai, Nhon Hoi, Dung Quat) and the Southern (the largest island: Phu Quoc) . After conducting surveys, research results show that there is a difference between the assessment and the level to meet the requirements of investors with business environment, expressed through the following criteria: (1) the infrastructure; (2) quality of public services; (3) preferential policies; (4) labor; (5) market; and (6) social services. Based on the assessment of the identified criteria, this paper had suggested six number of recommendations to promote the role of attracting foreign direct investment capital into the economic zones in Vietnam: (1) implementing the "one-stop-shop" policy; (2) continuing to improve the infrastructure of economic zones; (3) prevent and ensure the security of economic zones; (4) implementing vocational training activities to improve quality of human resources; (5) development of supporting industries; (6) raising the quality of capital invested in the economic zone
Van-Anh Nguyen,Huy L. Nguyen,Dzung T. Nguyen,Quan P. Do,Lam D. Tran 한국물리학회 2017 Current Applied Physics Vol.17 No.11
In this paper, an electrosynthesized bilayer film of polypyrrole nanowire and poly(1,5- diaminonaphthalene) on a disposable screen-printing carbon ink electrode is presented. The inner polypyrrole nanowire layer had a large surface-to-volume ratio and high conductivity in the neutral medium, whereas the outer layer of poly(1,5diaminonaphthalene) had functional amino groups on the polymer chains. The combination of polypyrrole nanowire and poly(1,5diaminonaphthalene) showed a promising material for electrochemical biosensing. Here we reported an electrochemical immunosensor based on this approach for the purpose of detecting breast cancer biomarkers. The bilayer could enhance the surface coverage of antibody anti-CA 15-3 and consequently improve the sensitivity and stability of the immunosensors. The magnetic beads were used as carriers of labeled antibody anti-CA15-3 and HRP (horseradish peroxidase) in order to achieve an amplification of the signal. Under optimized conditions, the linear range of the immunoassay was 0.05e20 U mL1 with a detection limit of 0.02 U mL1 CA 15-3 antigen.
Dao, Anh-Dzung,Nguyen, Viet-Anh,Han, Mooyoung Korean Society of Environmental Engineers 2013 Environmental Engineering Research Vol.17 No.1
Vietnam is a developing country with the rate around 5%-6% per year, especially in urban areas. Rapidly developed urban areas lead to stress for infrastructure and the water supply is also stressed. In Hanoi city, total water capacity from the manufactories is around one million cubic meters per day and almost the entire main water source is groundwater but it is not enough to supply all of Hanoi's people, especially in the summer. A demo project is implemented in Hanoi University of Civil Engineering (HUCE) to produce drinking water by using the rainwater and membrane system and supply for people. In this project, rainwater is collected on the rooftop of the lecture building with an area of around $500m^2$ and $100m^3$ volumetric rainwater tanks. Afterwards, the rainwater is treated by the micro-membrane system and supplied to the tap water. Total cost for construction, technology and operation in the first year is around USD 48,558. In the long-term (15 yr) if HUCE invests in the same system, with $20m^3$ volumetric storage tank, it can provide drinking water for 500 staffs in every year. The cost of investment and operation for this system is lower than 30% compared to buying bottled water with the price USD 1.8/bottle. The drinking water parameters after treatment are pH, 7.3-7.75; turbidity, 0.6-0.8 NUT; total dissolved solids, 60-89 mg/L; coliform, 0; heavy metal similar with water quality in the bottle water in Vietnam.
( Nguyen Dinh Sy ),( Nguyen Anh Dzung ) 한국키틴키토산학회 2010 한국키틴키토산학회지 Vol.15 No.3
Study on tissue culture of sweet potato (Ipomea batatas L.) invitro and effects of chitooligosaccharide on growth of the plant were investigated. Effects of condition of sterilization and concentration of plant regulators such as: N(6) - benzyl adenine (BA), napthyl acetic acid (NAA) and kinetin (KN) on the rate of bud formation and the growth of root and shoot of the sweet potato were studied. The results showed that 20% sodium hypochlorite and 30 min for treatment was suitable for sterilization of the sweet potato tissue; the rate of contamination was only 3.3% and 76.7% bud formation; results also showed optimal concentration of BA and KN for the growth of the plantlets invitro was 2 mg/l and 1 mg/l. Effect of chitooligosaccharide supplement on the growth of sweet potato was also studied. Mugashige and Skoog (MS) medium containing BA and KN supplemented 0, 10, 20, 30 and 50 ppm chitooligosaccharide. Results showed that 20~30 ppm chitooligosaccharide was the best for growth of the root and shoot of sweet potato, number of the plantlet roots increased by 30%, the length of root also increased 40% and fresh and dry biomass of roots increased 100% compared to the control (no supplement of chitooligosaccharide). Chitooligosaccharide also increased in the number of leaf, height and fresh and dry biomass of the plantlet shoots.
Going beyond Border? Intention to Use International Bank Cards in Vietnam
Dzung Tran Trung PHAN,Thanh Thi Ha NGUYEN,Tuan Anh BUI 한국유통과학회 2019 The Journal of Asian Finance, Economics and Busine Vol.6 No.3
The paper aims to explore the factors affecting potential users of international bank cards in Vietnam. With milestones treaties being signed CPTPP and EVFTA, Vietnam is now exposing itself to the international open environment. Bank card market is at the core of this wind of change, and that is the reason for us to research the intention to use international bank cards. Given that the decision to choose international bank cards could either be the switch from domestic cards or adopting a brand new card, we develop some specific constructs to reflect that consideration, specifically PE and PD, asides from traditional constructs used in TPB and TAM frameworks. The analysis work is conducted using PLS-SEM approach. Our findings reveals that most of our proposed hypotheses are supported, in which SN plays the most important direct role to INT, while total effect of PU on INT is similar to that of SN. The newly introduced PD negatively and significantly impacts INT, and PE also has a positive impact on INT. The findings suggest that overall, it is important for bank card issuers to have a balance approach to the market, with focus on increasing usefulness and reducing potential disadvantages of international bank cards.