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강영석,배장섭,김재향,김기래 신라대학교 자연과학연구소 2000 自然科學論文集 Vol.8 No.-
Many computers in the office and the laboratory of a school are generally interconnected through the Local Area Network (LAN). Users of computer interfaced with the LAN use the same printer with time sharing. Alternatively, they use the multi-user printer interface to print in the office which can't have LAN system due to the great expenses. Otherwise they have to connect directly moving the printer to computer. In this papaer, we present a new printer interface equipment which can interface a printer and multi computers through wireless using the radio frequency of about 430MHz. The tranceivers of the equipment consist of two part: one part is installed in parallel port of computer and other part is installed in Centronix port of printer. Their maximum data rate is 9600bps and the communication area is about 50 meters in best case. The merits of this equipment are low in cost and small in size.
박용식,임장섭 木浦海洋大學校 1998 論文集 Vol.6 No.1
Fractal mathematics using image processing is being highlighted as a research method for classification of electrical tree. for image analysis of tree pattern, the fractal mathematics processing is actively studied as a experimental new technique of electrical tree.. But the application of Fractal dimension(FD) has been required the complicated calculation method because of its complex repetition progressing. In this paper, it has been developed the new approach method to express the Semi-Fractal Dimension(SFD) for high-speed calculation and on-line measurement system using special image processing algorithm. As a result after SFD testing, the recognized area of SFD has a good linear characteristics compared to FD.
적외선방사카메라를 이용한 변압기 부싱 온도분포 모니터링
임장섭,이우선,이영식 조선대학교 에너지.자원신기술연구소 2002 에너지·자원신기술연구소 논문지 Vol.24 No.2
An electrical accident such as mishap electricity institution occurs frequently because of the increase of demand for electricity, complexity of electricity institution. The techniques that discovered a mishap to electricity institution are electric signal method and supersonic waves method, thermal sensing method by infrared rays. The IRR-camera which is effective monitoring method of electricity institution is diffused in industrial field. Specially, infrared rays monitoring can perceive heat which was visually poor observed objection. Also, infrared rays monitoring can monitor an area of difficulty of access of work human power. In this study, infrared rays monitoring of a transformer substation is periodically performed. The connection between possibility of application and operation, blazing fire occurrence and progress process of body and bushing of large capacity transformer are performed by IRR-camera.
부산지역 대기질에 대한 대기 오염 지수(PSI)의 적용
문윤섭,장난심,김영주 부산대학교 환경문제연구소 1997 環境硏究報 Vol.15 No.1
The Pollutant Standards Index (PSI) was chosen as an environmental indicator. The PSI is a composite indicator computed from ambient levels of SO2 , TSP,O3 , NO2 , and CO. The daily PSI value is determined by the pollutant having the highest reading for that day. The index numbers are on a scale of zero to 500, the most important number on the scale is 100, which corresponds to the EPA - set National Ambient Air Quality Standars (NAAQS). Scores higher than 100 are considered to be unhealthful. Air quality of Pusan was evaluated by Pollutant Standards Index, which was proposed by Federal Register of the United States. The daily data of pollutants (SO2 , TSP, O3 , NO2 , CO) in 6 air pollutant monitoring sites were used for evaluation. According to the frequencies (day/day %), most parts were still under unhealthful condition. But, this result was why too many data of the high O3 concentration value in summer was missing. As the result, PSI method seems very useful to evaluate air quality, if the air quality pollutant data has no missing one, but it would be necessary to reform in consideration of environment standard of Pusan, in the case of applicating PSI in Pusan, Korea.
육상 단거리 차렷 자세 동작에서 팔 넓이가 운동학적 요인에 미치는 영향
윤희중,장영섭 한국운동역학회 2000 한국운동역학회지 Vol.10 No.1
본 연구는 육상 단거리 차렷 자세 동작에서 팔넓이와 출발 동작의 운동학적 요인과의 관계를 규명하는데 그 목적이 있다. 이를 위하여 2000년 현재 선수등록이 되어 있는 대학 · 실업 선수 5명을 선정하였으며, 평상시 취하는 팔넓이에 ±2.5㎝를 계산하여 실험을 실시하였다. 이를 두 대의 비디오카메라로 녹화하여 DLT 기법을 통하여 3차원영상분석을 실시한 후 각 요인들을 분석한 결과 다음과 같은 결론에 도달하였다. 1. 인체 중심의 이동 변위는 저자세(-2.5m), 중자세 그리고 고자세(+2.5m) 순으로 가장 많은 이동 변위를 나타냈으며, 국면별로는 3국면, 1국면 그리고 2국면 순으로 많은 이동 변위를 나타냈다. 2. 보폭은 저자세(-2.5m), 고자세(+2.5m) 그리고 중자세 순으로 긴 보폭을 나타냈으며, 구면별로는 3국면,1국면 그리고 2국면의 순으로 많은 이동 변위를 보이고 있었다. 3. 인체 중심 이동 소요 시간은 중자세, 저자세(-2.5m) 그리고 고자세(+2.5m)순으로 빠르게 나타났다. 4. 인체 중심과 몸통의 순간 속도는 중자세와 저자세에서 빠르게 나타났다. 5. 발분절의 순간 속도는 고자세(+2.5m), 저자세(-2.5m) 그리고 중자세 순으로 빠르게 나타났다. 6. 몸통의 각도는 고자세(+2.5m)에서 몸통을 가장 많이 숙이는 것으로 나타났다. The purpose of this study is to investigate the relationship between the width of the arm joint at attention and displacement, time, angle and velocity factors of starting motion for male sprinters. 2 S-VHS video cameras were used for the data collection. The following conclusions were drawn : 1. In the displacement of CG according to width of the arm joint was shown longest displacement in low position(-2.5㎝) medium position and high position(+2.5㎝), By the phase, it was shown longest diplacement in 3 phase, 1 phase and 2 phase. And in the height of CG was alike form of change. But medium position was shown faster form of change than other position. 2. In the length of stride was shown longer in low position(-2.5㎝), high position(+2.5㎝) and medium position. By the phase, it was shown longest displacement in 3 phase, 1 phase and 2 phase. 3. In the time of CG was shown shorter in medium position, low position(-2.5㎝) and high position(+2.5㎝). 4. In the velocity of CG and trunk was shown faster in low position(-2.5㎝) and medium position. 5. In the velocity of the foot segment was shown faster in high position(+2.5㎝), low position(-2.5㎝) and medium position. 6. In the angle of trunk was shown smallest angle in high position(+2.5㎝).
Wetting에 의한 필댐 상류측 shell의 거동특성
임희대,백장열,이영섭 충남대학교 산업기술연구소 1999 산업기술연구논문집 Vol.14 No.2
The primary objective of this paper is to see the behavior characteristics of rockfill dam due to wetting. There are many factors which affect the dam failure. One of them is the influence of reservoir filling. Differential movements in dam and foundation develop during reservoir filling, they induced cracking and consequent erosion, and sometimes caused dam failure. One of the major factors contributing to the development of differential movements during reservoir filling is the compression due to wetting which occurs in a wide variety of different types of soils including rockfill. To perform the numerical analysis of dam behavior adequately, the large-scaled triaxial test is needed to consider the effect of wetting on dry and wet rockfill material. But, As the large-scaled triaxial test is high capital cost and not available apparatus for a number of other experiment, it is not applied many case in the country. In this paper, the data of Oroville dam which performed the large-scaled triaxial test is referenced to find out stress-strain curve and hyperbolic parameters on wetting for modeled dam which is not performed the large-scaled triaxial test. So, effect of wetting on modeled dam can be considered for numerical analysis of dam behavior. As a result of numerical analysis, they estimate that horizontal and vertical displacement are increased with the rate of increasing wetting, and shear stress too. Because compression and shear strength is decreased with proceeding wetting. And results of analysis show that load transfer is not affect significantly by the wetting.
한의진단명과 진단요건의 표준화 연구 II (표준화 실례) : 2차년도 연구결과 중간 보고
양기상,최선미,최승훈,안규석,박경모,박종현,김성우,신승호,정우열,전병훈,고현,김정범,신상우,김성훈,김동희,권영규,엄현섭,장혜옥 한국한의학연구원 1996 한국한의학연구원논문집 Vol.2 No.1
The diagnostic requirements were suggested and explained regarding the systems of differentiation of symptoms and signs in the second year study of standardization and unification of the terms and conditions used for diagnosis in oriental medicine. The systems were as follows; - differential diagnosis according to condition of body fluid, differentiation of syndromes according to the state of qi and blood, differential diagnosis according to relative excessiveness or deficiency of yin and yang(氣血陰陽津液辨證) - differentiation of diseases according to pathological changes of the viscera and their interrelation - analyzing and differentiating of febrile diseases in accordance with the theory of the six channels(傷寒辨證) The individual diagnosis pattern was arranged by the diagnostic requirements in the following order : another name(異名), notion of diagnosis pattern, index of differentiation of symptoms and signs(辨證指標), the main point of diagnosis, analysis of diagnosis pattern(證候分析), discrimination of diagnosis pattern(證候鑑別), a way of curing a diseases(治法), prescription(處方), herb in common use(常用藥物), diseases appearing the diagnosis pattern(常見疾病), documents(文獻調査). This study was carried out on the basis of the Chinese documents and references.
Environmental Factors Involved in Development of Skin Sooty
Young-Seob Park,Seung Hwan Lee,Song Hee Han,Jang Hoon Lee,Chul Hong Kim,Ki Chung Kim,Young Cheol Kim 全南大學校 農業科學技術硏究所 2011 農業科學技術硏究 Vol.46 No.-
최근 국내에서 과피얼룩병이 발생하여 동양배의 상품성에 영향을 미치고 있지만, 이들에 대한 생태적 인 연구가 이루어져 있지 않은 실정이다. 이 병의 주 병원균인 Cladosporium sp. 균주들의 생육최적온도 는 20-25℃, 최저온도는 1℃였다. 과피얼룩병균의 주 병원균인 Cladosporium 균의 접종하였을 때 관계습 도가 높을 경우 발병율이 높았다. 이러한 결과들은 동양배 과피얼룩병의 발생은 동양배를 장기보관하는 조건인 고습도와 온도에서 발생하는 것을 의미한다. Skin sooty dapple disease, a fungal disease that negatively affects the quality of Asian pear fruit, has emerged recently in Korea, but has yet to be thoroughly characterized. In vitro evaluation of the environmental factors affecting the development of skin sooty dapple disease showed that Cladosporium sp. strains grew optimally at 20-25°C and grew least well at below 1°C. Inoculation with isolates of Cladosporium sp. showed the highest disease incidence under high relative humidity. These findings showed a correlation of the incidence of skin sooty dapple disease in Asian pears with high RH and temperature, conditions encountered inlongterm fruit storage.
Young-Seob Park,Ki Chung Kim,Jang Hoon Lee,조송미,Yong-Soo Choi,Young Cheol Kim 한국식물병리학회 2008 Plant Pathology Journal Vol.24 No.2
Skin sooty dapple disease, a fungal disease that lowers Asian pear fruit quality, has emerged recently in Korea but has not yet been thoroughly characterized. This disease affects the surface of fruit, leaves, and young shoots of the Asian pear, typically appearing as a dark or pale black dapple on the fruit surface. The disease initiates on the fruit with small circular lesions that become bigger, eventually spreading to form large circular or indefinite lesions. Sparse dark or flourishing white-greyish aerial mycelia and appearance of a dark or pale black dapple on the fruit surface are typical signs of this disease. The disease was severe during cold storage of the Niitaka and Chuhwangbae varieties, but more limited on the Gamcheonbae and Hwangkeumbae varieties. To identify causal pathogens, 123 fungal isolates were obtained from lesions. The fungi that caused typical skin sooty dapple disease symptoms in our bioassay were identified. Based on their morphological characteristics, 74% of the isolates were Cladosporium sp. and 5-7% of the isolates were Leptosphaerulina sp., Tripospermum sp., or Tilletiopsis sp. None of the isolates caused severe soft rot by injection to a wound plug, but some of the Cladosporium sp. isolates caused mild maceration. Therefore this microbiol complex cannot account for the soft rot also observed in stored fruits. The high frequency of isolation of Cladosporium sp. from disease tissues and bioassay on pear fruit surface suggest that Cladosporium sp. could be a major pathogen in the microbial complex associated with skin sooty dapple disease of the Asian pear in Korea.