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최민기,황상연,변도영,이원영 한국세라믹학회 2015 한국세라믹학회지 Vol.52 No.5
The specific role of current collectors was investigated at the electrolyte/electrode interface of solid oxide fuel cells (SOFCs). Ag grids were fabricated as current collectors using electrohydrodynamic (EHD) jet printing for precise control of the grid geometry. The Ag grids reduced both the ohmic and polarization resistances as the pitch of the Ag grids decreased from 400 μm to 100 μm. The effective electron distribution along the Ag grids improved the charge transport and transfer at the interface, extending the active reaction sites. Our results demonstrate the applicability of EHD jet printing to the fabrication of efficient current collectors for performance enhancement of SOFCs.
통풍(痛風)으로 진단된 소양인(少陽人) 망음증(亡陰證) 환자의 사상방 투여에 의한 치험 1례
최민기,정운기,유준상,Choi, Min-Ki,Jung, Woon-Ki,Yoo, Jun-Sang 사상체질의학회 2007 사상체질의학회지 Vol.19 No.1
1. Objectives The primary purpose of this case study is to report that a Soyangin Yin Exhausted Syndrome Patient Diagnosed as Gout was treated with 'Soyangin Hyungbangsabaek-san(荊防瀉白散)' and then his symptoms and Laboratory test(serum) improved. 2. Methods We diagnosed him as Gout on Soyangin Yin Exhausted Syndrome. So we treated his with 'Soyangin Hyungbangsabaek-san(荊防瀉白散)'. 3. Results and Conclusions The constitutional treatment with herb-medicine(Soyangin Hyungbangsabaek-san(荊防瀉白散) on Soyangin Yin Exhausted Syndrome Patient Diagnosed as Gout, his symptoms and Laboratory test(serum) improved. 'Soyangin Hyungbangsabaek-san(荊防瀉白散)' may take efffect Soyangin Yin Exhausted Syndrome.
소편적삽증(小便赤澁證)을 동반한 소음인(少陰人) 망양증(亡陽證) 환자(患者) 치험(治驗) 1례(例)
최민기,유준상,최재완,윤지영,Choi, Min-Gi,Yoo, Jun-Sang,Choi, Jae-Wan,Yun, Ji-Yeong 사상체질의학회 2008 사상체질의학회지 Vol.20 No.2
1. Objectives The primary purpose of this case study is to report that a Soeumin Mang-yang Syndrome with redness of urine and urination difficulty was treated with 'Soeumin Seungyangikgibuja-tang(升陽益氣附子湯)(SIBT)' and then his symptoms, laboratory test(urine) and urine color improved. 2. Methods The patient has the symptoms including redness of urine, discomfort after urinating, general body sweating, constipation and thirst. We diagnosed him as Soeumin Mang-yang Syndrome. So we treated him with 'SIBT(升陽益氣附子湯)'. 3. Results and Conclusions After the constitutional treatment with SIBT(升陽益氣附子湯) on Soeumin Mang-yang Syndrome patient, his symptoms and laboratory test(urine) improved and urine color was clear. 'SBIT(升陽益氣附子湯)' is considered to be effective in Soeumin Mang-yang Syndrome. The change of urine color can be good evidence for the symtoms of Mang-yang Syndrome is improved.
천연지질을 바이오항공유로 전환하기 위한 촉매 설계 전략
최민기,정병훈 한국공업화학회 2020 한국공업화학회 연구논문 초록집 Vol.2020 No.-
천연 지질 (triglyceride)로 부터 수첨탈산소화 반응 및 수첨분해 반응의 2단 공정을 통해 바이오 항공유를 생산하기 위한 연구를 수행하였으며, 이를 위한 촉매 설계를 진행하였다. 수첨탈산소화 반응은 백금이 담지된 알루미나 촉매를 사용하여 진행하였는데, HDO (hydrodeoxygenation) 경로 보다 DCO (decarbonylation/decarboxylation)경로가 우세한 것으로 밝혀졌다. 이 반응 단계에서의 촉매 비활성화는 주로 불포화된 지방산의 C=C를 이용한 열중합을 통해 거대 분자가 형성되고 촉매 기공 내의 fouling현상으로 일어나는 것으로 판명되었으며, 저온 수소화 전처리를 이용할 경우 이러한 문제점을 해결할 수 있음을 밝혔다. 두 번째 수첨분해 반응단계의 경우 백금이 담지된 제올라이트 산촉매들을 이원촉매로 이용하였다. 본 연구에 의하면 분자확산이 빠른 제올라이트들이 과분해 반응이 억제되어 가장 높은 항공유 수율과 isomer 함량을 갖는 것으로 나타났다. 따라서 분자 확산이 가장 우수한 메조기공이 발달하면서도 12MR 마이크로 기공을 갖는 제올라이트 기반 촉매가 가장 우수한 촉매 특성을 나타내었다.
최민기,유준상,정명숙,한동윤,윤지영,송학수,윤우영,허재범,Choi, Min-Gi,Yoo, Jun-Sang,Jung, Myoung-Suk,Han, Dong-Youn,Yoon, Ji-Young,Song, Hak-Soo,Yun, Woo-Yeong,Heo, Jae-Beom 사상체질의학회 2008 사상체질의학회지 Vol.20 No.1
1. Objectives and Methods This study was performed to investigate the relationship between Sasang constitution and decision making style. Subjects were 69 men and 45 women. Decision making style score, physical measurements and results were measured and analyzed according to Sasang constitution. 2. Results Soeumin group had significantly high score in rational score compared with those of Soyangin. Soyangin group had significantly high score in intuitive score compared with those of Soeumin. Soeumin group had significantly high score in dependent score compared with those of Taeeumin. According to binary logistic regression analysis for decision making style score, Sasang constitution were significant risk factors and ORs of Taeeumin were significantly higer than those of Soyangin in rational score, ORs of Soyangin were significantly higer than those of Soeumin in intuitive score, and ORs of Soeumin were significantly higer than those of Taeeumin in dependent Score. 3. Conclusions Soyangin had significantly high score in intuitive score. Soeumin had significantly high score in dependent score. We found many evidences that Soyangin is intuitive style and Soeumin dependent style in the text of ${\ulcorner}$Dongyi Suse Bowon${\lrcorner}$ and other research. But as far as Taeeumin was concerned, the result of Taeeurnin’s was not coincident with other research. More cases and research were needed to confirm the personality and phychological type of Taeeumin. This study result will be an important method that classify Sasang Costitution and consultation of student career decision making and studying attitude.