Zobrazeno 1 - 6 of 6 pro vyhledávání: '"Dong-Ha Kah"'
2
Fate of sulfur mustard on soil: Evaporation, degradation, and vapor emission
Autor: Jin Young Lee, Dong-Ha Kah, Kyoung Chan Lim, Hyunsook Jung
Publikováno v: Environmental Pollution. 220:478-486
After application of sulfur mustard to the soil surface, its possible fate via evaporation, degradation following absorption, and vapor emission after decontamination was studied. We used a laboratory-sized wind tunnel, thermal desorber, gas chromato
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::19408a2b560f9e43faffd68e39722c57
https://doi.org/10.1016/j.envpol.2016.09.090
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3
Simulation Study for Electromagnetic Pulse by High-Altitude Nuclear Explosion
Autor: Dong-Ha Kah, Woo-Sup Shim
Publikováno v: Journal of the Korea Institute of Military Science and Technology. 18:822-828
This paper describes computer simulation program of high-altitude electromagnetic pulse (HEMP). The HEMP is produced by the gamma rays form high-altitude nuclear explosion. The gamma rays generate a current of compton electron that leads to the produ
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bc7cf90585190fd7af03baa593a25ae7
https://doi.org/10.9766/kimst.2015.18.6.822
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4
Development of Chemical Vapor Sampler for Man-in-Simulant Test(MIST)
Autor: Kyoo Won Lee, Chung Ah Ko, Hae Wan Lee, Geun Seob Choi, Heesoo Jung, Dong-Ha Kah, Hyunsook Jung, Hyen Bae Park
Publikováno v: Journal of the Korea Institute of Military Science and Technology. 18:387-394
We have recently developed a cost-effective and pouch-type chemical vapor sampler which consists of a selectively permeable high density polyethylene(HDPE) membrane, aluminum/nylon barrier film, and adsorbents. Since the sampler mimics the actual ads
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::034a403407bdfcbc7c3b5d89ef559593
https://doi.org/10.9766/kimst.2015.18.4.387
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5
Variation in the electrical properties of 100 V/100 a rated mesh and stripe TDMOSFETs (Trench Double-Diffused MOSFETs) for motor drive applications
Autor: Sang-Gi Kim, Dong-Ha Kah, Yil-Suk Yang, Jin Ho Lee, J.G. Koo, Jong Dae Kim, Kyoung-Il Na
Publikováno v: Journal of the Korean Physical Society. 60:1508-1512
The vertical power metal-oxide semiconductor field-effect transistors (MOSFETs) with deep trench structures are the most promising candidates to overcome the trade-off relationship between the ON-resistance (RON) and the blocking voltage (BVDS). Espe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::dae4154e1066b908fa560987cba4b972
https://doi.org/10.3938/jkps.60.1508
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6
A novel trench gate MOSFET with a multiple-layered gate oxide for high-reliability operation
Autor: Yil Suk Yang, Kyoung Il Na, Jong Dae Kim, Jin Gun Koo, Dong Ha Kah, Hoon Soo Park, Jin Ho Lee, Sang Gi Kim
Publikováno v: Journal of the Korean Physical Society. 60:1552-1556
Gate dielectrics in trench structures for trench gate metal oxide semiconductor field-effect transistor (MOSFET) power devices are very important to realize excellent characteristics. In this paper we describe multiple-layer gate dielectrics for tren
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aaaa1dfc3273761fde941ce4ac60218a
https://doi.org/10.3938/jkps.60.1552
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