Search Results - "CHANG SEOK KANG"

In situ monitoring during the transition of cobalt carbide to metal state and its application as Fischer–Tropsch catalyst in slurry phase by Kwak, Geunjae, Woo, Min Hee, Kang, Seok Chang, Park, Hae-Gu, Lee, Yun-Jo, Jun, Ki-Won, Ha, Kyoung-Su

“…The cobalt metal hcp phase was easily obtained by the hydrogenation of Co2C via H2 bubbling in FTS slurry reactor, which showed higher activity in slurry-phase…”
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Preparation and Characterization of Asphalt Pitch-Derived Activated Carbons with Enhanced Electrochemical Performance as EDLC Electrode Materials by Ju-Hwan Kim, Young-Jun Kim, Seok-Chang Kang, Hye-Min Lee, Byung-Joo Kim

“…This study used a physical activation method to prepare asphalt-pitch-derived activated carbon (Pitch AC) for an electric double-layer capacitor (EDLC)…”
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Low Temperature Oligomerization of Ethylene over Ni/Al-KIT-6 Catalysts by Hwang, Ahron, Kim, Sungtak, Kwak, Geunjae, Kim, Seok Ki, Park, Hae-Gu, Kang, Seok Chang, Jun, Ki-Won, Kim, Yong Tae

“…In this paper, we have studied the oligomerization of ethylene with a liquid heptane solvent over bifunctional Ni catalysts in a continuous flow reactor. We…”
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Mechanism of activated carbon-catalyzed methane decomposition process for the production of hydrogen and high-value carbon by Yun, Ji Su, Kim, Ji Hong, Kang, Seok Chang, Im, Ji Sun

“…The thermocatalytic decomposition of methane is a promising method for hydrogen production. To determine the cause of carbonaceous catalyst deactivation and to…”
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Influence of the Precipitation of Secondary Phase on the Thermal Diffusivity Change of Al-Mg2Si Alloys by Kim, Yu-Mi, Choi, Se-Weon, Kim, Young-Chan, Kang, Chang-Seok, Hong, Sung-kil

“…Al-Si-Mg alloys are investigated to determine the relationship between changes in the thermal diffusivity and precipitation behavior of the Mg2Si phase with…”
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Effect of thermal fluorination on the hydrogen storage capacity of multi-walled carbon nanotubes by Im, Ji Sun, Chang Kang, Seok, Bai, Byong Chol, Suh, Jeong-Kwon, Lee, Young-Seak

“…Thermal fluorination of multi-walled carbon nanotubes (MWCNTs) was performed to improve their hydrogen storage capacity, based on three considerations. First,…”
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Light hydrocarbons to BTEX aromatics over Zn-modified hierarchical ZSM-5 combined with enhanced catalytic activity and stability by Zhang, Chundong, Kwak, Geunjae, Lee, Yun-Jo, Jun, Ki-Won, Gao, Ruxing, Park, Hae-Gu, Kim, Sungtak, Min, Ji-Eun, Kang, Seok Chang, Guan, Guofeng

“…A series of Zn modified hierarchical ZSM-5 catalysts with Si/Al ratios of 25 and 40, and Zn loading amounts of 0, 0.5, 1, and 2 wt% was designed to pursue a…”
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Efficient utilization of associated natural gas in a modular gas-to-liquids process: Technical and economic analysis by Zhang, Chundong, Jun, Ki-Won, Gao, Ruxing, Kwak, Geunjae, Kang, Seok Chang

“…[Display omitted] •Two modular gas-to-liquids process options are proposed to convert associated gas to liquid fuels.•Co-based microchannel F–T synthesis is…”
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Efficient utilization of carbon dioxide in gas-to-liquids process: Process simulation and techno-economic analysis by Zhang, Chundong, Jun, Ki-Won, Gao, Ruxing, Lee, Yun-Jo, Kang, Seok Chang

“…[Display omitted] •Two options of CO2 utilized gas-to-liquids process using Fe-based F–T catalyst were proposed.•CO2 was utilized via CO2/Steam mixed reforming…”
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The electrical and material characterization of hafnium oxynitride gate dielectrics with TaN-gate electrode by Chang Seok Kang, Hag-Ju Cho, Rino Choi, Young-Hee Kim, Chang Yong Kang, Se Jong Rhee, Changhwan Choi, Akbar, M.S., Lee, J.C.

“…Electrical and material characteristics of hafnium oxynitride (HfON) gate dielectrics have been studied in comparison with HfO/sub 2/. HfON was prepared by a…”
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Efficient Utilization of Greenhouse Gases in a Gas-to-Liquids Process Combined with CO2/Steam-Mixed Reforming and Fe-Based Fischer–Tropsch Synthesis by Zhang, Chundong, Jun, Ki-Won, Ha, Kyoung-Su, Lee, Yun-Jo, Kang, Seok Chang

“…Two process models for carbon dioxide utilized gas-to-liquids (GTL) process (CUGP) mainly producing light olefins and Fischer–Tropsch (F–T) synthetic oils were…”
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Effect of active metals and process factors on the catalytic decomposition of methane for hydrogen production by Seong, In Ho, Kang, Seok Chang, Lee, Jong Dae, Im, Ji Sun

“…Catalytic decomposition of methane (CDM) is an environmentally friendly technique to produce hydrogen and nano-carbon materials without greenhouse gas…”
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Effects of support porosity of Co-Mo/MgO catalyst on methane catalytic decomposition for carbon and hydrogen production by Ko, Dong Hyun, Kang, Seok Chang, Lee, Chul Wee, Im, Ji Sun

“…[Display omitted] To investigate the effects of porous properties of supports on the methane decomposition of Co-Mo/MgO catalysts, supports having different…”
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Linear α-olefin production with Na-promoted Fe-Zn catalysts via Fischer-Tropsch synthesis by Yang, Sunkyu, Lee, Sungwoo, Kang, Seok Chang, Han, Seung Ju, Jun, Ki-Won, Lee, Kwan-Young, Kim, Yong Tae

“…The production of linear alpha-olefins (α-olefins) is a practical way to increase the economic potential of the Fischer-Tropsch synthesis (FTS) because of…”
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Improved gas sensing of electrospun carbon fibers based on pore structure, conductivity and surface modification by Im, Ji Sun, Kang, Seok Chang, Lee, Sei-Hyun, Lee, Young-Seak

“…A polyacrylonitrile and carbon black complex was fabricated as a gas sensor using an electrospinning method. The electrospun fibers were thermally treated to…”
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Electrical characterization and material evaluation of zirconium oxynitride gate dielectric in TaN-gated NMOSFETs with high-temperature forming gas annealing by Nieh, R.E., Chang Seok Kang, Hag-Ju Cho, Onishi, K., Rino Choi, Krishnan, S., Jeong Hee Han, Young-Hee Kim, Akbar, M.S., Lee, J.C.

“…The electrical, material, and reliability characteristics of zirconium oxynitride (Zr-oxynitride) gate dielectrics were evaluated. The nitrogen (/spl sim/1.7%)…”
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Effect of metal–support interaction in Ni/SiO2 catalysts on the growth of carbon nanotubes by methane decomposition by Choi, Jeong Bin, Im, Ji Sun, Kang, Seok Chang, Lee, Young-Seak, Lee, Chul-Wee

“…To investigate the effect of the catalyst and metal–support interaction on the methane decomposition behavior and physical properties of the produced carbon,…”
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Data Retention Characteristics of Nitride-Based Charge Trap Memory Devices with High-k Dielectrics and High-Work-Function Metal Gates for Multi-Gigabit Flash Memory by Lee, Jang-Sik, Kang, Chang-Seok, Shin, Yoo-Cheol, Lee, Chang-Hyun, Park, Ki-Tae, Sel, Jong-Sun, Kim, Viena, Choe, Byeong-In, Sim, Jae-Sung, Choi, Jungdal, Kim, Kinam

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Clinical outcome and safety of holmium laser prostate enucleation after transrectal prostate biopsies for benign prostatic hyperplasia by Choi, See Min, Kang, Chang Seok, Kim, Dae Hyun, Choi, Jae Hwi, Lee, Chunwoo, Jeh, Seong Uk, Kam, Sung Chul, Hwa, Jeong Seok, Hyun, Jae Seog

“…This study aimed to assess the clinical outcome and safety of holmium laser enucleation of the prostate (HoLEP) following transrectal ultrasound-guided…”
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Positive bias temperature instability effects of Hf-based nMOSFETs with various nitrogen and silicon profiles by Changhwan Choi, Chang-Seok Kang, Chang Yong Kang, Se Jong Rhee, Akbar, M.S., Krishnan, S.A., Manhong Zhang, Lee, J.C.

“…Positive bias temperature instability (PBTI) effects of HfO/sub 2/-based nMOSFETs with various nitrogen profiles in HfO/sub 2/ were investigated. The nitrogen…”
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