Zobrazeno 1 - 10
of 94
pro vyhledávání: '"Dong-Heui Kwak"'
Autor:
Yong-Ho Choi, Yong-Hoon Jeong, Hong-Hue Thi Nguyen, Seung-Hyun Yoon, In-Gyong Yi, Dong-Heui Kwak
Publikováno v:
대한환경공학회지, Vol 45, Iss 1, Pp 65-80 (2023)
Objectives: To identify and estimate the non-point source (NPS) pollution loads in the Yongdam watershed, and to take an appropriate NPS management plan suitable for the environmental conditions of the sub-basin of Yongdam watershed. Methods: The NPS
Externí odkaz:
https://doaj.org/article/33f9a3db2afd438cbccb6369bf741e0b
Autor:
Mohammad Imran, Eun-Bi Kim, Tae-Geum Kim, Sadia Ameen, Mohammad Shaheer Akhtar, Dong-Heui Kwak
Publikováno v:
Micromachines, Vol 15, Iss 4, p 441 (2024)
In this study, well-defined tungsten oxide (WO3) nanowall (NW) thin films were synthesized via a controlled hot filament chemical vapor deposition (HFCVD) technique and applied for electrochemical detection of methylamine toxic substances. Herein, fo
Externí odkaz:
https://doaj.org/article/610fd884736f461290c5258f6ee30242
Publikováno v:
Water, Vol 16, Iss 7, p 958 (2024)
In semi-closed coastal brackish systems, the stratification of the water column due to the interaction between freshwater and seawater can lead to a reduction in the dissolved oxygen (DO) levels in the bottom layers, consequently affecting the benthi
Externí odkaz:
https://doaj.org/article/0dd748864025446c88711c91d5a43940
Publikováno v:
Water Quality Research Journal, Vol 57, Iss 2, Pp 91-106 (2022)
Microbubbles were applied to remove phosphorus (P) and improve environmental water conditions on the surface of the benthic sediment in a eutrophic lake. Microbubble flotation (MF) was used to remove P in a laboratory-scale experiment device from the
Externí odkaz:
https://doaj.org/article/a4407f2b352245f6b1f5590788236383
Publikováno v:
Sensors, Vol 23, Iss 18, p 7910 (2023)
A simple hydrothermal synthesis approach was used to synthesize porous MgNiO2 Chrysanthemum Flowers (CFs) nanostructures and applied as a sensing electrode for quick detection of hazardous mercury (Hg2+ ions). The morphological, structural, and elect
Externí odkaz:
https://doaj.org/article/1a7f55211c0d4028aa77dff6c22ad2a5
Publikováno v:
대한환경공학회지, Vol 43, Iss 1, Pp 10-19 (2021)
Objectives:The single collector collision (SCC) model is a model that predicts the separation efficiency of particles based on the collision efficiency between microbubbles and particles in the particle separation process. In order to remove micro-pl
Externí odkaz:
https://doaj.org/article/ce8417947588464994234ffddc8b0f03
Publikováno v:
Chemosensors, Vol 9, Iss 9, p 257 (2021)
In this work, the structural, optical, morphological, and sensing features of tungsten oxide (WO3) thin film deposited on a silicon substrate via hot-filament chemical vapor deposition (HFCVD) are described. The experimental characterization tools, s
Externí odkaz:
https://doaj.org/article/dc9f463f79b84f108e816f1e175742d6
Publikováno v:
Proceedings of the Institution of Civil Engineers - Water Management. :1-16
Owing to the recent developments in computer technology and nationally accumulated hydrology, land use, soil characteristics and flow and water quality monitoring data, high-level modelling results are required. However, as most catchments have a mix
Publikováno v:
Desalination & Water Treatment; Oct2023, Vol. 308, p18-25, 8p
Publikováno v:
International Journal of Sediment Research. 37:355-369
A series of experiments and simulations were performed to ascertain the rate at which phosphorus is released using a water quality model in Saemangeum Lake, an artificially constructed lake located in an estuary. The general inflow of seawater once a