Van Quang Tran
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View article: Localized wind model of Weibull distribution in Vung Tau, Vietnam
Localized wind model of Weibull distribution in Vung Tau, Vietnam Open
The wind data set of 10 m on the sea surface is provided by Vung Tau Meteorological Station for 2011–2022, with a frequency of 6 h. The purpose of this paper is to find the most effective parameters, that are scale parameter ‘c’ and shape …
View article: From fields to factories: Special economic zones, foreign direct investment, and labour markets in Vietnam
From fields to factories: Special economic zones, foreign direct investment, and labour markets in Vietnam Open
http://dx.doi.org/10.13039/501100006456 Federal Ministry of Economic Co-operation and Development
View article: Evaluation of the stabilization ability of sludge from the municipal wastewater treatment system through the application of an aerobic process combined with alkalization
Evaluation of the stabilization ability of sludge from the municipal wastewater treatment system through the application of an aerobic process combined with alkalization Open
The study compares the stabilization potential of secondary sludge from an municipal wastewater treatment system at a laboratory scale, based on two aerobic stabilization experiments: one conducted without an alkaline supplement (T1) and t…
View article: Variation of bio-chemical parameters during the aerobic stabilization process of sludge combined with wood chips by a rotary drum composter
Variation of bio-chemical parameters during the aerobic stabilization process of sludge combined with wood chips by a rotary drum composter Open
This study presents the results comparing the effectiveness of sludge stabilization from an municipal wastewater treatment system blended with wood chips of Khaya senegalensis tree under aerobic conditions using a rotating drum composter. …
View article: Antimicrobial activity of chitosan and combination with antibiotics against mastitis-causing pathogens
Antimicrobial activity of chitosan and combination with antibiotics against mastitis-causing pathogens Open
Bovine mastitis (BM), primarily caused by bacterial pathogens infecting mammary glands, stands as the most prevalent disease in dairy cattle. Traditionally, antibiotics have been the primary choice of treatment, yet their overuse has led t…
View article: Study on assessing the impact of evaporation on the natural recharge in the Holocene aquifer of sand dunes in Ben Tre province, Vietnam
Study on assessing the impact of evaporation on the natural recharge in the Holocene aquifer of sand dunes in Ben Tre province, Vietnam Open
On the surface of the terrain in Ben Tre province, sand dunes exist in the form of thin strips running parallel and facing the coastline, with a total distributed area of about 12,179 hectares. These sand dunes vary in size, with widths ra…
View article: The relationship between renewable energy consumption, international tourism, trade openness, innovation and carbon dioxide emissions: international evidence
The relationship between renewable energy consumption, international tourism, trade openness, innovation and carbon dioxide emissions: international evidence Open
The main concerns for nations worldwide in accomplishing long-term development goals are avoiding the adverse effects of climate change, lowering emissions, and enhancing environmental sustainability. This study examines the effects of 53 …
View article: Effective solutions to restore and increase water reserves for springs in Dien Bien province
Effective solutions to restore and increase water reserves for springs in Dien Bien province Open
Springs are the relatively common sources of water used in Dien Bien province, especially in the high mountains and water-scarce areas. However, a decline in the quantity and quality of springs is taking place in most study areas of the pr…
View article: The ability of reusing municipal treated water for irrigation the landscaping in Vietnam. The research in constructed wetland in municipal wastewater treatment plant, Danang city
The ability of reusing municipal treated water for irrigation the landscaping in Vietnam. The research in constructed wetland in municipal wastewater treatment plant, Danang city Open
All around the world, the constructed wetland is a variation for for reusing treated water by irrigation the landscaping. Based on the synthesis and metabolism of different plant species, nutrients, especially nitrogen and phosphorus, in w…
View article: The database management framework for combined sewerage system of Phu Loc river basin in Danang city by GIS
The database management framework for combined sewerage system of Phu Loc river basin in Danang city by GIS Open
Nowadays, Geographic Information Systems (GIS) applications have provided tools to integrate information, visualize scenarios, present powerful ideas, and develop effective solutions like never before so that it supports strategic decision…
View article: Effect of temperature and LEDs on the growth, pigment content and biological activities of Spirulina maxima cultured in brackish water
Effect of temperature and LEDs on the growth, pigment content and biological activities of Spirulina maxima cultured in brackish water Open
Temperature and light are important factors for the growth of photoautotrophic microorganisms such as Spirulina maxima; therefore, proper control of these conditions in S. maxima’s culture will help to enhance production efficiency. This s…
View article: Assessment of water resources in the porous formations from Muong Thanh value by numerical modelling
Assessment of water resources in the porous formations from Muong Thanh value by numerical modelling Open
Muong Thanh valley located in the middle of Dien Bien is home to 80.000 people, including Kinh, Thai, Dao, and H’Mong ethnic groups. Here, underground water is the main source of food and drink for local people. The groundwater in porous f…
View article: Application of collecter well to replace the conventional method in the northern mountainous area
Application of collecter well to replace the conventional method in the northern mountainous area Open
The solution of using a collector well was investigated to take additional water, overcome the weaknesses of the conventional weir that are prone to sediment accumulation intake structures of a weir, especially at the location where weir i…
View article: How Heterogeneous Are the Determinants of Total Factor Productivity in Manufacturing Sectors? Panel-Data Evidence from Vietnam
How Heterogeneous Are the Determinants of Total Factor Productivity in Manufacturing Sectors? Panel-Data Evidence from Vietnam Open
One of the remaining challenges in explaining differences in total factor productivity is heterogeneity between sectors and within a specific sector in terms of labor and capital. This paper employs the generalized method of moments (GMM) …
View article: Investments in cryptocurrencies: How risky are they?
Investments in cryptocurrencies: How risky are they? Open
Author Jiří Málek acknowledges the financial support of Czech Science Foundation with grant GAČR 18-05244S “Innovative Approaches to Credit Risk Management” and Institutional support IP 100040/1020. Author Tran van Quang is grateful for th…
View article: A Simple Open Economy Model: A Non-Linear Dynamic Approach
A Simple Open Economy Model: A Non-Linear Dynamic Approach Open
The objective of this article is to derive a simple dynamic macroeconomic model of an open economy to show how an economy as a dynamic system can work. The proposed model is resulted from the traditional Mundell-Fleming model. Unlike the M…
View article: An Alternative Method to Estimate Influent Concentration Using On-site Lab-scale Activated Sludge Reactors
An Alternative Method to Estimate Influent Concentration Using On-site Lab-scale Activated Sludge Reactors Open
Conventional wastewater analysis based on on-site sampling holds a limitation of accuracy because of fluctuation of influent composition in time and its corruptible nature in organics. To cope with the problem, this study aimed at developi…