http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
반맹에서 반시야 문양 시유발전위와 빛간섭단층촬영과의 일치성
박성용,박상혁,하승주,박성희,Sung Yong Park,Sang Hyouk Park,Seung Joo Ha,Song Hee Park 대한안과학회 2008 대한안과학회지 Vol.49 No.11
Purpose: To analyze the correlation between RNFL thickness changes measured by OCT and hemifield pattern VEP in hemianopic visual field loss. Methods: Twelve eyes of six patients with hemianopia were studied. Two patients had bitemporal hemianopia caused by chiasmal tumor, one patient had inferior hemianopia caused by traumatic optic neuropathy, and three patients had homonymous hemianopia caused by occipital lobe lesions. The retinal nerve fiber layer thickness around the optic disc was measured by optical coherence tomography (OCT) and visual pattern evoked potentials were measured using hemifield stimulations. Results: Normal eyes of traumatic optic neuropathy patients were excluded from the analysis. The retinal nerve fiber layer thickness as measured by OCT corresponded to the visual field defect in 9 of 11 eyes (81.8%) and the hemifield pattern VEP response corresponded to visual field defect in 7 of 11 eyes (63.6%). Conclusions: RNFL thickness measurement by OCT and hemifield PVEP are useful in evaluation of patients with hemianopia. However, they should be performed with caution, and compared with various clinical examinations because of their incomplete correlation with visual field defects. J Korean Ophthalmol Soc 2008;49(11):1819-1828
박성용,장석현,임현택,김정면,김용성,Park, Sung-Yong,Chang, Suk-Hyun,Lim, Hyun-Taek,Kim, Jung-Meyon,Kim, Yong-Seong 한국농공학회 2016 한국농공학회논문집 Vol.58 No.3
It is significant to redevelop the deterioration reservoir through raising for countermeasure to climate change and Earthquake improvement of reservoir. This study aims to investigate the behavior of deterioration reservoir with poor-fabricated core subjected to raising water level and earthquake using numerical analysis. From the analysis results, water level raising and earthquakes induce crack and subsidences at the crown and the front side of deterioration reservoir. For the reinforcement of the deterioration reservoir is required appropriate measures method and raised method suitable, drainage and slope protection method judged to be necessary.
박성용,조병원,주재백,윤경석,이응조 ( Seong Young Park,Byung Won Cho,Jeh Beck Ju,Kyung Suk Yun,Eung Cho Lee ) 한국공업화학회 1992 공업화학 Vol.3 No.1
광 전기분해시 양극으로 사용되는 산화티타늄 반도체 전극의 안정성을 증대시키고 효율향상을 위해서 순수한 티타늄 전극을 양극 산화법, 전기로 산화법, 불꽃 산화법으로 산화 피막을 제조하였으며 In을 Ti와 TiO_2소지에 전기도금을 한 후 전기로 산화법으로 혼합 산화물을 제조하였다. 또한 Al_2O_3와 NiO는 진공증착 방법을 이용하여 Ti 소지위에 증착시킨 후 전기로 산화법을 이용하여 흔합 산화물을 제조하였다. 에너지변환 효율(η)은 인가전위에 따라서 다른 값을 갖는데 0.6V로 계산하여 보면 1200℃의 불꽃으로 2분간 산화시킨 전극이 0.98%로 가장 큰 값을 가졌으며 양극 산화법으로 제조한 전극의 η는 0.14%로 작은 값을 보여 주었다. 한편 800℃ 전기로에서 17분간 산화시킨 전극의 η는 0.57%로 띠간 에너지는 2.9eV로 나타났다. 한편 In을 Ti 및 TiO_2 소지위에 전기도금시킨 전극의 η는 0.8%였으며 인가전위가 증가함에 따라서 η는 증가하였다. 그러나 Al_2O_3와 NiO를 Ti소지위에 진공증착시킨 전극의 η는 다른 전극들에 비해서 가장 낮은 값을 나타내었다. For the development of semiconducting photoelectrode to be more stable and efficient in the process of photoelectrolysis of the water, pure titanium rods were oxidized by anodic oxidation, furance oxidation and flame oxidation and used as electrodes. The Indium islands were formed by electrodeposition of In thin film on TiO_2 and Ti by electrodeposition. Also Al_2O_3 and NiO islands were coated on Ti by the electron-beam evaporation technique. The maximum photoelectrochemical conversion efficiency(η) was 0.98% for flame oxidized electrode(1200℃ for 2min in air). Anodically oxidized electrodes have photoelectrochemical conversion efficiency of 0.14%. Furnace oxidized electrode(800℃ for 10min in air) has 0.57% of photoelectrochemical efficiency and shows a band-gap energy of about 2.9eV. The In_2O_3 coated TiO_2 exhibits 0.8% of photoelectrochemical efficiency but much higher value of ηwas obtained with the increase of applied bias voltage. However, Al_2O_3 or NiO coated TiO_2 shows much low value of η. The efficiency was dependent on the presence of the metallic interstitial compound TiO_(O+X)(x<0.33) at the metal-semiconductor interface and the thickness of the suboxide layer and the external rutile scale.
흉강 내시경을 이용한 식도 중봉 낭종 수술 치험 -1례-
박성용,김태훈,이두연,김은영,전세은,조상호,Park, Seong-Yong,Kim, Tae-Hoon,Lee, Doo-Yun,Kim, Eun-Young,Jeon, Se-Eun,Cho, Sang-Ho 대한기관식도과학회 2007 大韓氣管食道科學會誌 Vol.13 No.1
Esophageal duplication cyst is very rare mediastinal tumor which is congenital lesion of the esophagus. Esophageal duplication cyst could be excised with video assisted thoracoscopic surgery(VATS) if it is relatively small, cystic lesion and not adhered severely to the surrounding tissues such as lung, trachea, bronchus, esophagus and pleura. We report a case of an esophageal duplication cyst which was located in the right thoracic cavity below carina and could be excised completely and repaired by interrupted suture with 3.0 black silk. The patient was discharged at 10 days after operation with good condition and has been in uneventful condition 2 months after operation.
박성용,장석현,임현택,김정면,김용성,Park, Sung-Yong,Chang, Suk-Hyun,Lim, Hyun-Taek,Kim, Jung-Meyon,Kim, Yong-Seong 한국농공학회 2016 한국농공학회논문집 Vol.58 No.3
Recently, lots of damages have been lost because large magnitude earthquakes were occurred in the world. It has been increased the number of earthquakes in Korea. It needs improvement required for the repair of deteriorated reservoirs, reinforcement and raised reservoir coping with climate change and earthquake. This study aims to investigate the seismic behavior of deterioration reservoir levee using dynamic centrifugal model test. Therefore, two case tests in centrifugal field of 60 g, the result has provided the influence on the acceleration response, displacement, settlement and the pore water pressure of the reservoir with earthquakes. From the results larger displacement and acceleration response at the front side of reservoir embankment with poor-fabricated core in seismic condition may degrade overall stability. Reasonable reinforcement method of the raised reservoir embankment is required for ensuring long-term stability on earthquake.