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이종주,김남주,정호경,곽상인,Jong Joo Lee,Nam Ju Kim,Ho-Kyung Choung,Sang In Khwarg 대한안과학회 2008 대한안과학회지 Vol.49 No.2
`Purpose: To investigate the clinical features and treatment results in eyelid sebaceous gland carcinoma. Methods: A retrospective chart review was conducted on 28 adult patients that were histopathologically diagnosed with eyelid sebaceous gland carcinomas from April 1981 to March 2005 in Seoul National University Hospital. Results: Among the 28 cases of eyelid sebaceous gland carcinoma, 9 cases (32.1%) had evidences of local invasion or metastasis at the initial diagnosis. Surgical resection was performed in the 27 cases (96.4%), and conjunctival cryotherapy, surgeries, such as maxillectomy, parotidectomy, and neck dissection, or radiation therapy were combined in cases of local invasion or metastasis. In the 19 cases of the localized tumor group, there were 2 cases (10.5%) of recurrence after an average 30 months of follow-up. The locally invasive tumor group (2 cases) showed 1 case of recurrence after 12 months of follow-up. In the 7 cases of the distant metastasis tumor group, tumors in 3 cases (42.9%) could not be controlled, and 3 cases (75.0%) showed recurrence after an average 45 months of follow-up. Conclusions: Eyelid sebaceous gland carcinomas with local invasion or metastasis afford higher potential for treatment failure, so early diagnosis is crucial. Because recurrence is possible, even when the tumor is completely removed, the extent of the tumor should be examined thoroughly and microscopically.`
이종주,김종현,황상원,김남주,정호경,곽상인,Jong Joo Lee,Jong Hyun Kim,Sang Won Hwang,Nam Ju Kim,Ho Kyung Choung,Sang In Khwarg 대한안과학회 2006 대한안과학회지 Vol.47 No.4
Purpose: Orbital hematic pseudocyst is the localized accumulation of organized blood-breakdown products within a fibrous capsule, and is known to be typically located subperiosteally. We report a case of orbital hematic pseudocyst in the intraconal space. Methods: A 51-year-old man visited our clinic, complaining of injection and bruise of his right eye one month before. On the orbit MRI, a mass assumed to be benign was detected in the intraconal space of his right orbit. After several months of follow-up, a decrease of visual acuity and visual field defect were detected in his right eye. Excision of the mass was done through lateral and medial orbitotomy. Results: Histologic examination showed the accumulation of blood-breakdown products within a fibrous capsule, and the mass was diagnosed as a hematic pseudocyst. Conclusions: When a well-demarcated and slowly growing mass is detected in the intraconal space of the orbit, the possibility of hematic pseudocyst should be considered.
마이크로웨이브-질산용출과자력/수력선별에의한자연금및자철석의선별효과
이종주,박천영,Lee, Jong-Ju,Park, Cheon-Young 대한자원환경지질학회 2020 자원환경지질 Vol.53 No.2
본 연구는 마이크로웨이브-질산용출과 자력/수력선별을 이용하여 정광으로부터 자연 금을 회수하는 것을 목표로 하였다. 마이크로웨이브-질산용출실험을 통해 용출용액으로부터 불용성-잔류물을 여과하였다. 용출용액을 원자흡수분광기(AAS)로 분석한 결과 Au는 전혀 용출되지 않은 것을 그리고 불용성-잔류물을 후방산란전자영상(BSE)으로 관찰한 결과 자연 금이 단체분리된 것으로 확인되었다. 불용성-잔류물을 자력/수력선별 하여 자성광물과 비-자성광물로 선별하였다. 자성광물에서 자철석이 회수되었고, 비-자성광물을 다시 수력선별한 결과 자연 금이 회수되었다. 자연 금은 X선 회절 분석(XRD)과 BSE 영상에서 확인되었다. This study aimed to recover native gold from the concentrate using microwave-nitric acid leaching and magnetic/hydro separation experiments. The insoluble-residue was filtered from leaching solution through microwave-nitric acid leaching experiment. As a result of the atomic absorption spectrometer(AAS) analysis of the filtered leaching solution, it was discovered that Au content was not eluted at all and it was observed from the back scattered electron(BSE) image that native gold was liberated in the insoluble-residue. When magnetic/hydro separation experiments were applied for the insoluble-residue, magnetic and non magnetic minerals were separtated from insoluble-residue. Magnetite was recovered from the magnetic minerals and as a result of applying the hydro separation experiment again for the non-magnetic mineral, native gold was recovered. The native gold was identified through the X-ray diffraction(XRD) analysis and BSE image.
저비용의 RAID 저장장치를 이용한 고속 테이터 수신저장 시스템의 개발 및 구축
이종주(Jong-Ju Lee),서인호(In-Ho Seo),박홍영(Hong-Young Park),오대수(Dae-Soo Oh),정태진(Tae-Jin Jung),박종오(Jong-Oh Park) 한국항공우주학회 2008 韓國航空宇宙學會誌 Vol.36 No.10
본 논문에서는 고비용의 엔트프라이즈급 RAID 저장장치를 저비용의 RAID 저장장치로 대체하고 인공위성 연구센터에서 개발한 데이터 수신카드를 이용하여 고속 데이터 수신저장 시스템을 구축하였다. 350Mbps로 수신되는 데이터를 처리하기 위해서 S-ATA2 방식의 하드디스크 3개와 자체 제작한 성능 시험 소프트웨어를 이용하였다. 성능 시험 결과 79MB의 속도로 RAID에 저장할 수 있음을 확인하였다. This paper describes the establishment result of high speed data receIVIng and archiving system (HDRAS) using data receiving card(DRC) developped by SaTReC and low cost RAID (Redundant Array of Independent Disks) storage instead of expensive enterprise RAID storage. We used three 5-ATA2 type hard disks and performance test program developped by SaTReC to receive and save data at 350Mbps. Finally, we verified that the HDRAS using low cost RAID storage has a capacity to process received data at 79MBjs(632Mbps).