Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Joongwoo Ahn"'
Autor:
Vladislav V. Lychagov, Vladimir M. Semenov, Elena K. Volkova, Dmitrii I. Chernakov, Joongwoo Ahn, Justin Younghyun Kim
Publikováno v:
IEEE Access, Vol 11, Pp 79636-79647 (2023)
This paper describes the application of multiwavelength photoplethysmography (MW-PPG) in reflectance mode for noninvasive measurements of total hemoglobin concentration. Consumer wrist-wearable devices (smartwatches, wristbands) typically contain a p
Externí odkaz:
https://doaj.org/article/da1ae03645f7421a8518b8404e587f66
Autor:
Joongwoo Ahn
Publikováno v:
Transactions of the Korean hydrogen and new energy society. 26:453-462
>> In this study, a methodology is investigated for the development of social responsibility program employed by major domestic companies under social pressure. It is true, however, that its infancy in history and lack of experience makes it difficul
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c065ec9eba9c95012e4d20b885d66111
https://doi.org/10.7316/khnes.2015.26.5.453
https://doi.org/10.7316/khnes.2015.26.5.453
Autor:
JoongWoo Ahn, YoungSil Kim
Publikováno v:
Journal of the Korean Institute of Resources Recycling. 24:43-50
An extensive literature survey and personal communication with relevant experts made it possible to understand economicand technical feasibility of disposable diaper recycling. Commercial level of soiled diaper recycling technology is currently avail
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cc6a78c1e9f1176b157780751961331
https://doi.org/10.7844/kirr.2015.24.1.43
https://doi.org/10.7844/kirr.2015.24.1.43
Publikováno v:
Transactions of the Korean hydrogen and new energy society. 24:200-205
The separation of hydrogen depends on porosity, diffusivity and solubility in permeation membrane. Dense membrane is always showing a solution diffusion mechanism but porous membrane is not showing. Therefore, porous membrane has a good hydrogen flux
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::caa655cd9768c023cbb8d6d790ef4402
https://doi.org/10.7316/khnes.2013.24.3.200
https://doi.org/10.7316/khnes.2013.24.3.200
Publikováno v:
Waste management (New York, N.Y.). 45
Materials flow analysis of neodymium, status of rare earth elements (REEs) in the Republic of Korea has been investigated. Information from various resources like the Korean Ministry of Environment, Korea international trade association, United Natio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a247cdc44546be0197f3bb8b324c6e1e
https://pubmed.ncbi.nlm.nih.gov/26210233
https://pubmed.ncbi.nlm.nih.gov/26210233