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변영남,배양일,송노헌 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4
AVMs is not a neoplasm, but a congenital developmental anomalies. In oral and maxillofacial area, the high recurrence rate and more facial disfigurement give a difficult problem to surgen and patient. Conventional treatment modality nowadays is presurgical embolization and surgical resection. In treatment planning, we consider the possibility of complete surgical resection and the esthetics of soft tissue reconstruction. But, two things are very difficult to achieve. We present a patient with AVMs in left upper lip, he had presurgical embolization with Ivalon and Bucrylate, and conservative surgical procedure. So we present this possible treatment modality.
변양헌(Yang-Hun Byun),최범규(Bum-Kyu Choi),오태원(Tae-Won Oh) 한국정보기술학회 2018 한국정보기술학회논문지 Vol.16 No.12
The buoy-enabled underwater surveillance system is a device that is installed in a particular sea area and operated for a certain period of tine and moved to another sea area after recovery. In this paper, a mooring method which is applied for a buoy-enabled underwater surveillance system was selected to maintain installation and enure stable operation. Also, the structure of the mooring line was designed. Two-point mooring method was selected considering interference with the communication cable of array-assembly. The composite structure of buoy chain, nylon rope, and anchor chain is designed as the basic component of mooring line. For the verification of design, a numerical simulation and wave tank experiment were performed. Their results were confirmed similarity in test condition. Finally, the mooring lines were designed for the environment of the sea trial location. The mooring line produced by the final design confirmed the stability above the significant wave height considered in the design on the sea trial.
WEAKLY LAGRANGIAN EMBEDDING AND PRODUCT MANIFOLDS
Byun, Yang-Hyun,Yi, Seung-Hun Korean Mathematical Society 1998 대한수학회보 Vol.35 No.4
We investigate when the product of two smooth manifolds admits a weakly Lagrangian embedding. Prove that, if $M^m$ and $N^n$ are smooth manifolds such that M admits a weakly Lagrangian embedding into ${\mathbb}C^m$ whose normal bundle has a nowhere vanishing section and N admits a weakly Lagrangian immersion into ${\mathbb}C^n$, then $M \times N$ admits a weakly Lagrangian embedding into ${\mathbb}C^{m+n}$. As a corollary, we obtain that $S^m {\times} S^n$ admits a weakly Lagrangian embedding into ${\mathbb}C^{m+n}$ if n=1,3. We investigate the problem of whether $S^m{\times}S^n$ in general admits a weakly Lagrangian embedding into ${\mathbb} C^{m+n}$.
WEAKLY LAGRANGIAN EMBEDDING $S^m\;{\times}\;S^n$ INTO $C^{m+n}$
Byun, Yang-Hyun,Yi, Seung-Hun Korean Mathematical Society 1999 대한수학회보 Vol.36 No.4
We investigate when the .product of two smooth manifolds admits a weakly Lagrangian embedding. Assume M, N are oriented smooth manifolds of dimension m and n,. respectively, which admit weakly Lagrangian immersions into $C^m$ and $C^n$. If m and n are odd, then $M\;{\times}\;N$ admits a weakly Lagrangian embedding into $C^{m+n}$ In the case when m is odd and n is even, we assume further that $\chi$(N) is an even integer. Then $M\;{\times}\;N$ admits a weakly Lagrangian embedding into $C^{m+n}$. As a corollary, we obtain the result that $S^n_1\;{\times}\;S^n_2\;{\times}\;...{\times}\;S^n_k$, $\kappa$>1, admits a weakly Lagrang.ian embedding into $C^n_1+^n_2+...+^n_k$ if and only if some ni is odd.
MIGHTI : A High Performance 16-bit DSP for Mobile Communication Applications
김태훈(Tae Hun Kim),양정식(Jeongsik Yang),임규현(Kyoo Hyun Lim),김진욱(Jin Wook Kim),이정은(Jeong Eun Lee),남형식(Hyoung Sik Nam),김영곤(Young Gon Kim),김정교(Jeong Pyo Kim),변상진(Sang Jin Byun),김기훈(Kwi Hoon Kim),권배성(Bae Sung 한국통신학회 1998 한국통신학회 학술대회논문집 Vol.1998 No.7
면역 부전 환자에서 병발한 급성 황색 포도상 구균에 의한 세균성 식도염 1예
박환양,김춘관,박영배,박재완,김성훈,강정원,문경협,양수현,변종훈 대한감염학회 2001 감염 Vol.33 No.5
Bacterial esophagitis is an uncommon disease and has not been well characterized. Bacterial infection of the esophagus is usually presented as a superimposed infection upon a preexisting viral or fungal esophagitis and most patients are immunocompromised hosts. A 67-year-old man was admitted for retrosternal pain and hematemesis, who had a past history of long-standing diabetes mellitus and end stage renal disease, also had a history of steroid medication. Extensive esophageal ulcerations of the mucosa were visualized by endoscopy. Staphylococcus aureus grew in blood culture. After the 2 weeks of antibiotics treatment, he was successfully recovered without any sequelae. Due to its rarity, this case is herein reported with a review of the corresponding literature. (Korean J Infect Dis 33:360∼363, 2001)