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許衡錫 군산대학교 1983 群山水産專門大學 硏究報告 Vol.17 No.2
Hyo-suk Ree has taken the special position in the history of Korean novel. Once he wrote some tendency novels but he began to pursuit the nature. Through analogy of innocence he attempted the instinct of human being and harmony of the nature. Especially he attempted through the Buckwhest-blossom Season the harmony among men, nature and animal, and his writing style was sensible and verse itself. The problem of sex which usually he had pursued was recomposed in this novel, and the novel of sex of Hyo-suk Ree appears ethically in this novel. His novel which tries to recompose human life through primitive aesthetic sense is a monumental work of short stories in Korea. In this study I have searched how he understood the nature through hero and what kind of style he had mobilized.
許衡錫 군산대학교 1978 群山水産專門大學 硏究報告 Vol.12 No.1
I have here investigated how Sin Suk Jung, who had written many works with au sbject matter of Mountains, extended and reformed his mortal life through mountains. He chose "Mountains" as an object which wouldn't make any change forever and would be watching and testifying us. In his poems, at the first term, mountains seemed to be a meditation, but, at the latter term, seemed to be an indignation recording history. I believe it meaningful to know through mountains how he illuminated and intervened his image into reality.
김치에서 분리한 Lactobacillus sp. JC-7과 Lactobacillus acidophilus 88간의 Electrofusion 최적조건 설정
조영배,최현정,백형석,전홍기 부산대학교 유전공학연구소 1997 분자생물학 연구보 Vol.13 No.-
김치 발효 숙성기간을 연장하고 신선도를 오랫동안 유지 할 수 있는 김치발효 starter의 개발을 목적으로 최적숙성기에 있는 김치로부터 bacteriocin생성능이 없는 유산균을 분리하여 동정하였으며, bacteriocin생성능이 우수한 L.acidophilus 88을 융합시키기 위해 electrofusion에 대한 최적 조건을 검토하였다. 분리균주는 Lactobacillus속으로 동정되어 Lactobacillus sp. JC-7이라 명명하였다. Electrofusion에 의해 생성된 융합주를 식별하기 위해 streptomycin(2.5㎎/ml)에 내성을 나타내는 Lactobacillus sp. JC-7변이주와 kanamycin(600㎍/ml)에 내성을 나타내는 L.acidophilus 88변이주를 분리하였다. Electrofusion을 100V/㎝, 120msec(72ohms,1670 capacitance) 에서 수행했을 때 융합효율이 가장 양호하였으며 전기장의 세기와 시간이 중가할수록 융합 효율이 현저히 감소하였다. 2가 양이온은 농도가 중가할수록 대체적으로 융합효율을 감소시키는 경향을 나타내었으나 1mM MGCl_2에서는 대조군에 비해 융합효율이 약간 증가하였다. PEG매개에 의한 융합법의 융합효율을 비교한 결과, 융합효율은 chemical fusion<electrofusion<electrofusion+20% PEG순을 나타내었다. Evaluation of Optimum Conditions for the Electrofusion between Lactobacillus sp. JC-7 Isolated from Kimchi and Lactobacillus acidophilus 88. Young-Bae Jo, Hyun-Jung Choi, Hyung-Suk Baik and Hong-Ki Jun*. Department of Microbiology, Pusan National University, Pusan 609-735,Korea-A lactic acid bacterium was isolated from kimchi. The isolated strain was identified as the genus Lactobacillus thrugh its morphological characteristics and named as Lactobacillus sp. JC-7. The optimum conditions for the electrofusion between streptomycin(2.5㎎/ml)resistant mutant of Lactobacillus acidophilus 88 and kanamycin(600㎍/ml) resistant mutant Lactobacillus sp. JC-7 were evaluated. The highest number of fusants were obtained at a capacitance value of 120msec(1670㎌), a field strength of 100V/㎝,and a pulse controller setting of 72Ω. The potimum pH of elecroporation buffer was 7.5 and the concentration of divalent cation was 1mM MG^2+. Electrofusants were efficiently obtained by addition 20% polyethylene glycol to electroporation buffer. The yield of fusion was better than that of using polyethylene glycol mediated chemical induction.
원위 대퇴골의 고립성 골연골종에서 발생한 속발성 연골 육종 1례 보고
정필현,황장수,강석,김용민,오형호,채동주,김종필 동국대학교 경주대학 1996 東國論集 Vol.15 No.-
연골육종은 비교적 서서히 자라며 늦게 전이하는 악성 연골 종양으로 알려져 있다. 골 연골종에서 발생한 속발성 연골육종은 발생빈도는 드물며 타부위로의 전이가 적고 악성도가 낮은 경우가 많아 적합한 수술적 치료로서 좋은 예후를 보이는 것으로 보고되고 있다. 본 동국대학교 정형외과학 교실에서는 우측 대퇴골 원위부 골간단부에 생긴 고립성 골 연골종에서 이차적으로 발생한 연골육종을 치험한 바 문헌고찰과 함께 보고하는 바이다. A case of Secondary Chondrosarcoma Arising from Solitary Osteochondroma of the Distal Femur Department of Orthopaedic Surgery, College of Medicine, DongGuk University Phil Hyun Chung M.D., Jung Su Hwang M.D., Suk Kang M.D., Yang Mln Kim M.D., Hyung Ho Oh M.D., Dong Ju Chae M.D., Jong Pil Kim M.D. Chondrpsarcoma is a malignant cartilage-forming tumor that grows slowly and metastasis of this tumor occurs in late stage. Secondary chondrosarcomas arising from a solitary osteocartilaginous exostosis are rare and those have a better prognosis than other chondrosarcomas, and they rarely metastasize. We present our experience with a case of secondary chondrpsarcoma arising in solitary osteochondroma of distal metaphysis of right femur with clinical details.
Al-1%Si 박막 배선의 DC와 PDC 조건에서의 일렉트로마이그레이션 및 시뮬레이션
고형석,김진영 광운대학교 신기술연구소 1996 신기술연구소논문집 Vol.25 No.-
본 연구에서는 Al-1%Si 박막 배선의 DC와 PDC에서의 일렉트로마이그레이션 현상에 의한 결함발생을 관찰하였고, DC에 대한 PDC 조건의 수명 증가에 대한 해석을 위해 시뮬레이션을 실행하였다. 가속화 실험 결과 PDC에서 박막 배선의 수명이 DC 보다 10-20배 정도 길게 나타났으며, 박막배선의 길이가 증가할 수록 수명은 DC와 PDC 모두 감소하였다. 이로 부터 박막 배선의 길이가 증가할 수록 수명이 감소하는 것을 알 수 있다. 컴퓨터 시뮬레이션의 결과 PDC 조건에서의 박막 배선의 수명 증가의 원인으로써 박막 배선의 동작 온도가 인가된 전류밀도와 전류의 주파수에 대하여 DC 조건보다 낮기 때문에 박막 배선의 결함 발생이 억제되어 수명이 증가하는 것으로 사료된다. We studied the electromigration of Al-1%Si under DC and PDC, and run computer simulation to explain the lifetime increasement of PDC. Lifetime under PDC was longer than DC by 10∼20 times, and as thin film interconnection length increase, lifetime was decreased. Computer simulation explained that increasing of lifetime under PDC due to the heat dissipation at current off times. The temperature of thin film under PDC is lower than DC and depends on current density and frequency, therefore failure growth rate was lower than DC.
길형석 德成女子大學校 1996 德成女大論文集 Vol.27 No.-
The purpose of this research was to find ways of improving the quality of higher education through the central government's aid of public wellfare facilities, to propose further directions in higher education, and to provide the basic information to the ministry of education in higher in establiching new policies. In this paper, the wellfare policies of developed countries since 1980 were reviewed and then it was argued that those policies must be facing the politics and the ideology of the new liberalism. The concept of "market" has been used as a keyword internationally even in the refrom of higher education. What does "market" mean in higher education? The meaning of "Market" was examined in two aspects. First, the central government distributes revenue from tax the higher education institutions and the higher education institytions provide educational service. This structure is called the "government model". secondly, in the past government model the amount of supply of higher education was decided by the central government according to the social demand of higher education service. Therefore the premise to show the advantages of market is that each university as a institution acquires the ability to get originality by obtaining information. Anyway, if we perceive the marker of higher education institutions in this way, we have to acknowledge the existence of inevitability. However, further research should be followed up to find out how it is related to what kind of the systematic and structural reform.
정의식,강형모,류봉조,임경빈,고준빈,박수규 한밭대학교 산업과학기술연구소 1995 논문집 Vol.3 No.-
This paper deal with a method of detecting localized defects on taper roller bearing in main spindle of machine tool system. The statistical parameters in time-domain signal processing techniques have been calculated to extract useful features from bearing vibration signals. Emloying these features, the statiscical parameters have been established to detect defects on the rollers of bearings, respectively, and used by the input feature of an artificial neural nerwork. As a result that the proposed bearing defects monitoring system could be successfully performed by using the statistical parameters of acceleration signals.
金亨錫,朴良元 慶熙大學校 1980 論文集 Vol.10 No.-
Formaldehyde. HCHO, is chemical used in numerous industrial operations involving the manufacture, commercial distribution. and production of a variety of products. We can feel the odor of formaldehyde in textile selling places with great discomfort of eye irritation when we visit markets. Authors investigated the formaldehyde content in the East gate and South Gate market and got the following results; the formaldehyde concentration were between 0.0143-0.1982 ppm(mean; 0.0951 ppm) when we surveyed on June and July, 1980.