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Distribution of heavy metals and organic in the clam culture areas at Binh Dai, Ba Tri, Thach Phu in Ben Tre province
Abstract The paper presents the contents of metals and organic in the surface sediments (5–10 cm) at the submerged clam culture areas in Ben Tre province. The metal samples were digested by nitric acid 10% and analyzed by ICP-MS method, total organic matters (HC) were determined by the burning method at 500oC. The results showed that the conten...
8 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 483 | Lượt tải: 0
Some scientific issues related to biological resource use and management toward sustainable development of marine economy in the costal provinces in South Central Vietnam
Abstract Based on referring recent target scientific issues related to sustainable development in the world and considering practices of economic development in the provinces of South Central Vietnam, some issues were selected for analyses in terms of concepts, needs and orientations applicable to the region. They include, inter alia: Economic ...
8 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 375 | Lượt tải: 0
Studies on the variability of upwelling system in the South Central Vietnam waters under the impact of ENSO events and its impact on hydrographic conditions of the Ninh Thuan-Binh Thuan waters
Abstract In this paper, we have exploited and analyzed data from HYCOM + NCODA Global 1/12.5o Reanalysis database in the period of 20 years from 1993 to 2012 and from 2013–8/2016 for the data assimilation of the HYCOM + NCODA Global 1/12° Reanalysis - for 22 depth layers in the East Sea area. The research results show that there are changes in ...
17 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 623 | Lượt tải: 0
Application of remote sensing and GIS for assessing the level of change of land use status in the coast of Ngoc Hien district (Ca Mau province) due to the impact of sea level rise
Abstract Today, environmental hazards and challenges are no longer confined to the national or regional scale but on the global scale. One of the biggest challenges for humanity is the natural disasters, global warming and sea level rise. The natural disasters causing serious consequences for human life, such as: Storms, floods, earthquakes, ts...
11 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 474 | Lượt tải: 0
Potential exploitation reserves of middle - upper Pleistocene aquifer (qp2-3) in Ca Mau province
Abstract The paper presents the results of evaluating and determining the potential exploitation reserves of groundwater in Ca Mau province. In particular, the study has identified the regional hydrogeological parameters, assessed potential exploitation reserves of groundwater, forecasted water level fluctuations, determined quantities of groun...
13 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 483 | Lượt tải: 0
Some results of research and forecasting of groundwater salinization in the coastal zone of Soc Trang province
Abstract In recent years, the situation of salinity intrusion is very complicated and becomes more serious in the coastal area of Soc Trang province. In this research, SEAWAT modified water density flow model was used to forecast the salinity intrusion for Holocene aquifer (qh) and upper Pleistocene aquifer (qp3) according to the water use plan...
10 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 424 | Lượt tải: 0
Research on marine environment and coral distribution on Nam Yet island using VNRedsat-1 and QuickBird images
Abstract Based on the processing of VNRedsat-1 and QuickBird images in the area of Truong Sa archipelago, the research results showed the efficiency of assessing marine environmental characteristics in surroundings of these islands. In this paper, we presented the research results on Nam Yet island and adjacent area. The marine parameters in th...
14 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 499 | Lượt tải: 0
Impact of sand mining on sediment transport and morphological change of Hai Phong coastal area
Abstract The paper presents the results of simulating the impact of sand mining on sediment transport and morphological change in Hai Phong coastal area based on Delft3D model. Scenario groups are established: Present scenarios without sand mining and simulated scenarios of the present sand mining (assuming 30% sand compared to plan). The scena...
14 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 731 | Lượt tải: 0
Removal of organic matters from piggery wastewater in anaerobic moving bed biofilm reactor (MBBR)
Abstract. The objective of this study is to investigate the performance of Anaerobic Moving Bed Biofilm Reactor (MBBR) on the removal of organic matters (using COD, BOD5 and TSS values) in piggery wastewater using two kinds of carrier: Polyurethane (PU) and Polyethylene (PE) - Different organic loading rates (OLRs) varying from 4.0 to 10 gCOD/l/...
11 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 477 | Lượt tải: 0
Enhancement of water disinfection efficiency using UV radiation with the aid of a liquid-filmforming device
Abstract. This study presents results for the use of UV radiation and a liquid-film-forming device (LFFD) for disinfection of water. Escherichia coli was used as a model microorganism for examining the bactericidal performance of UV. Bacterial inactivation was conducted in a disinfection apparatus with various conditions of UV dosages, air flow ...
8 trang | Chia sẻ: thanhle95 | Ngày: 10/07/2021 | Lượt xem: 537 | Lượt tải: 0

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