Výsledky vyhledávání - "Changhyun OH"

Extraction of manganese by alkyl monocarboxylic acid in a mixed extractant from a leaching solution of spent lithium-ion battery ternary cathodic material

Autor: ChangHyun Oh, Shun Myung Shin, Dong Ju Shin, Sung-Ho Joo, Jei-Pil Wang

Publikováno v: Journal of Power Sources. 305:175-181

We investigate the separation of manganese by an antagonistic effect from a leaching solution of ternary cathodic material of spent lithium-ion batteries that contain 11,400 mg L −1 Co, 11,700 mg L −1 Mn, 12,200 mg L −1 Ni, and 5300 mg L −1 L

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::95bc808969a27f4227cd6055d03ce139
https://doi.org/10.1016/j.jpowsour.2015.11.039

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Selective extraction and separation of nickel from cobalt, manganese and lithium in pre-treated leach liquors of ternary cathode material of spent lithium-ion batteries using synergism caused by Versatic 10 acid and LIX 84-I

Autor: Gamini Senanayake, ChangHyun Oh, Jei-Pil Wang, Shun Myung Shin, Sung-Ho Joo, Dong Ju Shin

Publikováno v: Hydrometallurgy. 159:65-74

The extraction of nickel from a leach liquor containing cobalt, manganese and lithium of Li-ion batteries cathode material using a mixture of Versatic 10 acid and LIX84-I was investigated. The leach liquor of LiB cathode material obtained with H2SO4/

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1e4d333f8d79b5080438198e9e7e1f94
https://doi.org/10.1016/j.hydromet.2015.10.012

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Extractive separation studies of manganese from spent lithium battery leachate using mixture of PC88A and Versatic 10 acid in kerosene

Autor: Shun Myung Shin, Sung-Ho Joo, Jei-Pil Wang, ChangHyun Oh, Dong Ju Shin

Publikováno v: Hydrometallurgy. 156:136-141

We investigated the separation of Mn with reduced extraction behavior of Co by PC88A/Versatic 10 acid from a leaching solution of spent lithium-ion batteries containing 11.4 g/L Co, 11.7 g/L Mn, 12.2 g/L Ni, and 5.3 g/L Li. The distribution coefficie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5ebb8514d72fd1563302c1b5350fd070
https://doi.org/10.1016/j.hydromet.2015.06.002

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Dynamic range expansion of receiver by using optimized gain adjustment for high-field MRI

Autor: S. H. Bae, HyunWook Park, Y. G. Kim, J. H. Hyun, Y. C. Ryu, SungTaek Chung, Changhyun Oh

Publikováno v: Concepts in Magnetic Resonance Part A. :243-254

In high-field magnetic resonance imaging (MRI) system, the signal-to-noise ratio of MR signal is so high that the receiver frequently cannot cover the full dynamic range of the MR signal. Although this problem can be overcome by using a compander (co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d95c22c91b4d1785a1ac1e3682052f98
https://doi.org/10.1002/cmr.a.20164

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An iterative reconstruction method of complex images using expectation maximization for radial parallel MRI

Autor: Yeji Han, Changhyun Oh, HyunWook Park, Dongchan Kim, Joonsung Choi

Publikováno v: Physics in medicine and biology. 58(9)

In MRI (magnetic resonance imaging), signal sampling along a radial k-space trajectory is preferred in certain applications due to its distinct advantages such as robustness to motion, and the radial sampling can be beneficial for reconstruction algo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37f9f2b59e5c4d11257ba963315d20fb
https://pubmed.ncbi.nlm.nih.gov/23588215

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Cleft lip and palate incidence among the live births in the Republic of Korea

Autor: Changhyun Oh, Woo Jung Kim, Jae Chan Kim, Sukwha Kim

Publikováno v: Journal of Korean Medical Science

We present an epidemiologic study of cleft lip and palate in the Republic of Korea from January 1, 1993 through December 31, 1993. In 1993, the number of total live births was 715,817. And from 1993 through 1995, a total of 1,293 new patients with cl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b3be1125e4b8b73e7da7562f79bdd6c
https://pubmed.ncbi.nlm.nih.gov/11850588

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