Výsledky vyhledávání

Determination of a safety criterion via risk assessment of marine accidents based on a Markov model with five states and MCMC simulation and on three risk factors

Autor: Min Hyok Jon, Uk Choe, Yun Pyong Kim

Publikováno v: Ocean Engineering. 236:109000

Risk modeling of marine accidents involves many technical and environmental safety factors which cannot be predicted in advance. The aim of this paper is to determine a safety criterion via risk assessment of marine accidents for a certain sea area.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::819ea1629db40870e313e838475e2559
https://doi.org/10.1016/j.oceaneng.2021.109000

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Hydrothermal synthesis of Bi2Te3 nanowires through the solid-state interdiffusion of Bi and Te atoms on the surface of Te nanowires

Autor: Jaerock Lee, Dong-Uk Choe, Byungki Park, Seung-Wook Suh, Young-Seak Lee, Jang-Jung Kim, Sook-Hyun Kim

Publikováno v: Journal of Crystal Growth. 312:3410-3415

Polycrystalline Bi 2 Te 3 nanowires were prepared by a hydrothermal method that involved inducing the nucleation of Bi atoms reduced from BiCl 3 on the surface of Te nanowires, which served as sacrificial templates. A Bi–Te alloy is formed by the i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::747b3dd0e1faa092bb210a616cd31fe8
https://doi.org/10.1016/j.jcrysgro.2010.08.033

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Effect of pH of Aluminum Hydroxides Gel Obtained by Hydrolysis of Al2(SO4)3Solution on Crystal Growth of α−Al2O3

Autor: Myung-Wan Han, Byung-Ki Park, Dong-Uk Choe

Publikováno v: Journal of the Korean Ceramic Society. 44:562-567

To precipitate the complex gels of the pH 6, 7, 8, 9 included in a flux and an aluminum hydroxides gel, an aqueous solution of a mixture of Na₂CO₃ and Na₂PO₄ㆍ12H₂O was added with stirring in an aqueous solution of a mixture of Al₂(SO₄

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c4fc29af904770333e6b3369c6ae289
https://doi.org/10.4191/kcers.2007.44.1.562

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Effect of pH on Pore Characteristics in Synthesis of High Porous AlO(OH) Gel by Hydrolysis of Al2(SO4)3and Na2SO4Mixed Solution

Autor: Byung-Ki Park, Jae Rock Lee, Dong Uk Choe

Publikováno v: Journal of the Korean Ceramic Society. 44:325-330

High porous AlO(OH) gel is used in precursor of ceramic material, coating material and porous catalyst. For use of these, not only physiochemical control for particle morphology, pore characteristic and peptization but also studies of synthetic metho

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::76cb12f7acf34d60128475f1b7594008
https://doi.org/10.4191/kcers.2007.44.6.325

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Effect of Water and Aluminum Sulfate Mole Ratio on Pore Characteristics in Synthesis of AlO(OH) Nano Gel by Homogeneous Precipitation

Autor: Byung-Ki Park, Jung-Min Lee, Dong-Uk Choe

Publikováno v: Journal of the Korean Ceramic Society. 43:564-568

AlO(OH) nano gel is used in precursor of ceramic material, coating material and catalyst. For use of these, not only physiochemical control for particle morphology, pore characteristic and peptization but also studies of synthetic method for preparat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::7e136b48e2e0c58af91077f932a079a2
https://doi.org/10.4191/kcers.2006.43.9.564

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An Adaptive FEC based Error Control Algorithm for VoIP

Autor: Gi-Dong Jeong, Tae-Uk Choe

Publikováno v: The KIPS Transactions:PartC. :375-384

In the current Internet, the QoS of interactive applications is hardly guaranteed because of variable bandwidth, packet loss and delay. Moreover, VoIP which is becoming an important part of the information infra-structure in these days, is susceptibl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ee123d709ca101d4aa4e7f2de2ac9b5
https://doi.org/10.3745/kipstc.2002.9c.3.375

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Aerodynamic characteristics of KSR-Ⅲ and jet impingement on a deflector during launch

Autor: Ho-Nam Ok, Seung-Ho Ra, Seong-Uk Choe, In-Seon Kim

Publikováno v: Journal of the Korean Society for Aeronautical & Space Sciences. 30:98-107

An experimental and numerical study of aerodynamic charateristics of KSR-III and jet impingement on a deflector during launch has been conducted. To investigate aerodynamic characteristics of KSR-III configuration, wind tunnel tests using 6.4% scale

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::895f3a3b587af13501c3971f1f07c2c1
https://doi.org/10.5139/jksas.2002.30.2.098

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Fully working high performance multi-channel field effect transistor (MCFET) SRAM cell on bulk Si substrate using TiN single metal gate

Autor: Donggun Park, Ming Li, Sung-min Kim, Sung-young Lee, Dong-Won Kim, Sung Hwan Kim, Kinam Kim, Sung Dae Suk, Eun Jung Yoon, Dong Uk Choe, Byung-Il Ryu, Kyoung Hwan Yeo, Min Sang Kim, Chang Woo Oh

Publikováno v: Digest of Technical Papers. 2005 Symposium on VLSI Technology, 2005..

We demonstrate for the first time high performance titanium nitride (TiN) single metal gate 65nm CMOS McFET (multichannel field effect transistor) SRAM cell transistor on bulk Si wafer. This single metal gate McFET shows suitable threshold voltage (V

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c9b248b3939516cc11dfff1e9ca3235b
https://doi.org/10.1109/.2005.1469265

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