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박운지 원광대학교 동양학연구소 2007 東洋學硏究 Vol.3 No.
불교회화는 신앙의 대상물로서 사찰을 장엄하고, 어려운 불교교리를 쉽고 효과적으로 전달하고 예배의 목적으로 제작되어서 사찰에서 봉안, 보존 되어 왔다. 하지만 작품의 중요성과는 무관하게 보존환경의 문제 등으로 훼손 열화되고 있다. 지금이라도 우리는 이러한 불화가 더 이상 열화되는 것을 막고, 최대한 원형의 상태를 유지하면서 후세에 남겨줄 수 있도록 연구해야 한다. 따라서 이를 위해 문화재 보존의 한 형태로 모사작업이 진행되는 것이다. 필자는 이러한 작업의 일환으로 보존이 시급한 수많은 불화 가운데에서도 甘露幀(慶北大學校 博物館 所藏)을 택하여 열화되고, 박락, 오염된 현재 상태를 그대로 현상모사하였다. 본 논문의 목표는 모사를 통해 문화재보존의 방법을 제시하고자 하는데 의의가 있다. Buddhist paintings as the religious objects have been placed and preserved in Buddhist temple since it is produced to deliver difficult and magnificent Buddhist doctrine easily and effectively, and to have Buddhism worship. But they have been damaged and deteriorated because of the problem of preservation environment, no matter how important the works are. We must study to prevent further deterioration of the Buddhist paintings and maintain their best original condition to leave them for next generation. As a consequence, making a copy of the original painting has been proceeded as a form of cultural properties protection. The writer selected Kam-ro painting among many Buddhistpaintings which urgently needs its restoration to make a copy of deteriorated, and polluted present condition. The purpose of this research is to present the ways of cultural properties protection through reproducing Buddhist works.
유동상 생물막법을 적용한 BNR공법에서의 인제거 영향인자
박운지,김동욱,이찬기 江原大學校 産業技術硏究所 2006 産業技術硏究 Vol.26 No.B
In this study, the use of MBBR(moving bed biofilm reactor) process for Phosphorus Removal efficiency depending on seasons and the factors affecting phosphorus removal efficiency in the process is evaluated. As a result of experiment, T-P removal efficiency has its highest value in winter, (80.8%). and T-P removal efficiency has its lowest value in autumn, (49%). Optimum SRT for Phosphorus Revomal revealed is about 8.8 days and process performs more efficiently as the temperature decreases. It is accepted that nitrate to anaerobic zone is affecting the Phosphorus removal process. With increasing the organic loading rate, Phosphorus removal efficiency also increases. Also, an experiment has been conducted to find out the highest efficiency according to Media existence and it has revealed that Media addition provides better phosphate removal.
박운지,최용훈,신민환,원철희,박기욱,최중대,Park, Woon-Ji,Choi, Yong-Hun,Shin, Min-Hwan,Won, Chul-Hee,Park, Ki-Wook,Choi, Joong-Dae 한국농공학회 2011 한국농공학회논문집 Vol.53 No.4
The objective of this study was to experimentally investigate the feasibility of SRI (system of rice intensification) in Korean rice farming. Eight experimental plots of $5{\times}15$ m in size were prepared on an existing rice field of loam soil. Spacing was $30{\times}15$ cm (conventional treatment: CT), $30{\times}30$ cm, $40{\times}40$ cm and $50{\times}50$ cm, respectively. CT were flooded and SRI plots irrigated intermittently 3 to 5 day interval during cultivation. Organic matter content and pH of the soil were $2.5{\pm}0.03$ % and $6.1{\times}0.2$, respectively, before the cultivation. The highest number of tillers and height of the plant were measured at $50{\times}50$ cm plots. The height and number of tillers and height in $50{\times}50$ cm plots were 10 cm and 1.5 times more than CT. Average irrigation supply to SRI and CT was 243.2 mm and 547.3 mm, respectively. It meant that the reduction of irrigation water in SRI plots over CT was estimated to 55.6 %. Therefore SRI was concluded to have a good enough possibility to be applied in South Korea because it was proven to be more effective in reduction of irrigation water and crop cultivation compare to the CT.
박운지,김동욱,안종화,이찬기 江原大學校 産業技術硏究所 2007 産業技術硏究 Vol.27 No.B
We studied runoff characteristics of combined sewer overflows in a city while it was raining. The event mean concentration (EMC) of biochemical oxygen demand (BOD), chemical oxygen demand (COD_(cr)), suspended solids (SS), total nitrogen (TN), and total phosphorus (TP) in one of the combined sewer sites in Chuncheon was 63.5-211.6 mg/L, 114.9-523.8 mg/L, 70.3-436.4 mg/L, 6.4-33.0 mg/L, and 1.09-6.81 mg/L, respectively, In another combined sewer, the EMC of BOD, COD, SS, TN, and TP was 42.1-131.4 mg/L, 107.7-256.5 mg/L, 33.7-221.1 mg/L, 7.9-26.4 mg/L, and 1.16-3.91 mg/L, respectively. The ratio of the cumulative pollutant mass and the cumulative discharged volume determined using all parameters (BOD, COD_(cr), SS, TN, and TP was over 1.0, which shows the first flush effect. Relationships between flow and loadings of BOD, C0D_(cr), SS, TN, and TP were 0.90, 0.89, 0.88, 0.89, 0.92, respectively. Although the size of two areas was almost same, Pollutant concentration and loading were different because of the amount of rainfall, rainfall intensity and basin area.