Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh

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Application of material flow analysis (MFA) for estimating the potential of Nitrogen recirculation in closed-ecosystem based catfish farming
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 5 Số SI1 - Trang SI1-SI12 - 2021
Tran Trung Kien, Thu Hong Anh Nguyen, Thang Viet Nguyen, Huyen Thi Thu Dong
The purpose of this study is to evaluate and analyze the possibility of nitrogen recirculation when applying a closed eco-system for intensive catfish ponds in the Mekong Delta in accordance with the existing available natural conditions in the local area. A closed ecosystem is proposed for optimizing N emissions from intensive pangasius farming on the basis of closed flows of materials, waste, an...... hiện toàn bộ
#material flow analysis #close ecosystem #catfish farming #nitrogen
Air emission inventory and application TAPM-AERMOD models to study air quality from 34 ports in Ho Chi Minh City
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số 2 - Trang 97-106 - 2019
Bang Quoc Ho, Tam Thoai Nguyen, Hang Thi Thuy Nguyen, Khue Hoang Ngoc Vu, Thanh Thi Nguyet Pham
The port system of Ho Chi Minh City including 34 ports, serves as the gateway to the South (including the South East and the Mekong Delta) in export and import activities. In which contribute a huge amount of pollutants to the atmosphere in Ho Chi Minh City. The objective of this study is to: (i) Calculating air emissions from ports system in Ho Chi Minh city using the SPDGIZ model which emits a l...... hiện toàn bộ
Assessment of capacity of using sentinel-1 images in monitoring land subsidence in Ho Chi Minh City
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 2 Số 2 - Trang 19-25 - 2019
Co Tang Nguyen, Trung Van Le
Permanent Scatterer InSAR (PSInSAR) technique is used commonly to evaluate land subsidence for some cities in the world and the pilot project in Ho Chi Minh City has shown the capability of this technique for mapping land subsidence in the period from 2006 to 2010. The result shows that PSInSAR can be applied to study the land subsidence phenomenon more efficiently than any traditional methods. Ho...... hiện toàn bộ
3D numerical modeling of flow and sediment transport in rivers and open channels
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số 1 - Trang 23-36 - 2019
Le Song Giang, Tran Thi My Hong
Numerical model is a useful tool in studying the flow and sediment transport, change in river bed and is built on solving governing differential equations. Numerical model has many different levels and three-dimensional model is the highest level, allowing detailed simulation of flow and sediment transport process in 3D space. The paper presents a method calculating three - dimensional flow and se...... hiện toàn bộ
#3D model #sediment trannsport #unstructured grid #the
The Triassic suture between Indochina and Sibumasu blocks - the first discovery of a backarc basin within Vietnam teritory
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 1 Số M2 - Trang 14-22 - 2017
Tuan Anh Nguyen, Cong The Nguyen
A backarc basin represented by a mafic/ultramafic magmatic ophiolitic sequence has been discovered first time within Vietnam territory. Backarc basin/forearc basin and other features of a convergent tectonic system are being considered as a location of the two geological blocks that almagamated together and preferred as a geological suture. The middle Triassic suture resulted from the welding of t...... hiện toàn bộ
An A2O-MBR system for simultaneous nitrogen and phosphorus removal from brewery wastewater
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 3 Số 1 - Trang 12-22 - 2019
Nguyen Thi Thanh Hoa, Dang Viet Hung, Van Nu Thai Thien
Anaerobic/Anoxic/Oxic – Membrane BioReactor (A2O-MBR) system was used to enhance simultaneous removal of nitrogen and phosphorus from brewery wastewater. The A2O unit containing microorganisms with short solids retention time (SRT) was employed mainly for removal of organic matter and phosphorus together with denitrification. The MBR containing microorganisms with long SRT was employed mainly for ...... hiện toàn bộ
#A2O-MBR system #brewery wastewater #nitrogen removal #phosphorus removal
Optimizing Electro-Fenton process for removal of atrazine from aqueous solutions using Taguchi method
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 5 Số 2 - Trang 369-376 - 2021
Ha Manh Bui, Loan Huynh Ngoc, Hoan Dinh Duong
The purpose of this study is centered on the removal of atrazine, one of the popular organochlorines in Vietnam, from an aqueous solution, using an electro Fenton process with iron and carbon plated steel electrodes at a batch electro reactor. This study had applied the Taguchi method, one of the most uncomplicated cases of design of experiments involving the minimum number of experiments to be pe...... hiện toàn bộ
Entropy weight application for calculating groundwater quality index (EWQI) in groundwater quality zoning in Pleistocene aquifer in the Phu My town, Ba Ria – Vung Tau province
Tạp chí Khoa học Trái Đất và Môi trường Đại học Quốc gia Thành phố Hồ Chí Minh - Tập 4 Số 1 - Trang 140-148 - 2020
Nguyen Hai Au, Luu Khanh Linh, Tran Ngoc Hiep, Truong Tan Hien, Tat Hong Minh Vy, Tran Minh Bao, Pham Thi Tuyet Nhi
Groundwater in Phu My town is exploited essentially in Pleistocene aquifer and, used for many purposes like irrigation, domestic, production and animal husbandry. In this study, Groundwater Quality Index (EWQI) is calculated with Entropy weight method to determine the suitability of groundwater quality in study area. This method demonstrates the objectivity of each parameter calculated based on th...... hiện toàn bộ
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