이상의 「시제일호」의 새로운 해석

김봉근(Kim, Bong-keun) 한국시학회 2016 한국시학연구 Vol.- No.46

무정자증 환자에 있어서 고환내 Leydig 세포의 변화에 관한 초미세형태학적 연구

기근홍,문현준,최봉남 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1

The Leydig cells are identified in a peritubular boundary area of the testicular interstitium. These cells are differentiated in situ from myoid cells within the boundary layer and invaded into the interstitial tissue at puberty. The materials for study consisits of twenty cases of azospermia with cryptorchidism confirmed by sperm analysis at Chosun University Hospital. All cases were performed by hematoxylineosin stain and PAS stain for detection of Leydig cells, and ultrastructural abservation for change of cytoplasmic organelles in azospermic patients. The results obtained are follows. The leydig cells in the interstitial tissue of azospermic testis forming large clusters and showing hypertrophic change. Within the cytoplasm, numerous dilated endoplasmic reticulum, disrrupted mitochondria and osmiophilic round bodies are seen. A few myoid cells within the boundary layer are hypertrophied and show an intermediate pattern between myoid cells and Leydig cells. There are unusual cells, either single or clusters, within the thickened boundary layer. They can be identified as Leydig cells similar to the ordinary Leydig cells in the interstitial tissue. This findings indicated that ordinary function of Leydig cells are intact, but it is thought that the decreased function may be due to damage of the testis in cryptorchidism.

韓國都城의 圓池序說

沈奉謹 동아대학교 박물관 2000 考古歷史學志 Vol.16 No.-

梁山 新基里古墳群(Ⅰ)

沈奉槿 東亞大學校 博物館 1996 考古歷史學志 Vol.11-12 No.-

日本 彌生文化 形成過程 硏究 : 韓國文化와 關聯해서 in connection with the culture of Korea

沈奉謹 東亞大學校 1979 東亞論叢 Vol.16 No.1

Yayoi culture which was centered on rice farming was basically agricultural. By introducing various elements of the new culture such as dolmens, pottery, and bronze and iron implements to Japan, it brought an end to the stagnant economic society of hunting and fishing, ushering in the productive economy of rice crops. Thus it holds an important position in the history of ancient Japan marking a turning point in the way of life of the Japanese. In such a socio-economic context, Yayoi culture was begun in the northwestern part of Kyushu and toward the close of the period it spread throughout Japan except for Hokkaido. There has been, however, no settled theory as to the main route of its introduction. In this thesis the present writer has attempted to deal chiefly with this problem. For this purpose, the writer studied chiefly on the northwestern section of Kyushu geographically for the region as the place where the Yayoi culture was originated and as to the time. On the latter period of Jomon-type culture and the former period of Yayoi culture. And as for the contents of the culture, the present writer studied chiefly on pottery, rice-farming and dolmens which constituted the basic features of the Yayoi culture. As a result of the research, the following facts have been confirmed: Plain coarse pottery of Korea began to have some influence on the latter period of Jomon-type culture or the stage of Yuusu-type culture. Rice farming along with stone and wooden tools for agriculture was brought over to Japan at the same period. Dolmens of the southern part of Korea were introduced to the northwestern area of Kyushu, nearest to the Korean peninsular, at the same period. This period is estimated to correspond to the fourth century B.C. In the light of the above-mentioned facts, Yayoi culture originated at the stage of Yuusu-type pottery, not at the stage of Itatsuke I-type pottery which immediately followed the former, and was chronologized by Japanese historians as the beginning of Yayoi culture. The main trend in pottery, rice farming, and dolmens can be traced back to the cultural factors of plain coarse pottery of Koreans. The period roughly corresponds to the fourth century B.C. In conclusion, it may be said that some Korean people who had been living in the southern region of the Korean peninsular engaging in rice farming and using plain coarse pottery, ground stone tools and dolmens, migrated to the northwestern part of Kyushu by way of Tsushima and that they, through contacts with the people of Jomon-type culture, created the characteristic pattern of the stage of Yuusu-type culture, which in turn became the source of Yayoi culture.

蔚山牛峰理遺跡 出土 新石器時代 磨製石器

沈泰槿 嶺南考古學會 1996 嶺南考古學 Vol.- No.18

라인내 품질관리의 정기점검방식에 관한 연구

서순근,김갑석,배봉수 동아대학교 공과대학부설 생산기술연구소 1996 生産技術硏究所硏究論文集 Vol.1 No.2

The assumptions of period checking policy for On-Line Quality Control presented by Taguchi are examined and his loss function and formulae are evaluated by simulation. New iterative procedures are proposed under Taguchi's loss and improved loss functions, respectively. Computational experiments are conducted for various combinations of parameter values and their results are discussed. Sensitivity analysis for assumption of random walk model is also illustrated with an example.

Transthyretin의 Glutathione 자동산화 촉진작용

박종근,정신,김재휴,김수한,강삼석,이제혁,안봉환 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.8

When reduced glutathione(GSH) was incubated at neutral pH and at 37°, its concentration decreased slowly with formation of oxidized glutathione(GSSG). Autooxidation of GSH was accelerated by Cu^(2+) and Hg^(2+), but not by other common mono-, di-, and tri-valent cations. Transthyretin was found to stimulate autooxidation of GSH in the presence or absence of Cu^(2+) and Hg^(2+). EDTA inhibited perfectly the autooxidation of GSH regardless of the presence of transthyretin. The stimulating activity of transthyretin was maximal at pH 7.0, declining progressively with increase or decrease of pH from 7.0. Sulfhydryl-blocking agents such as p-hydroxymercuribenzoic acid and Nethylmaleimide markedly inhibited the stimulating activity of transthyretin. Transthyretin stimulated autooxidation of other sulfhydryl compounds such as clithiothreitol and cysteine. However, it did not show a significant effect on autooxidation of sulfhydryl group of egg albumin and eye lens proteins. And transthyretin did not cause any oxidative change to thyroxine(T₄), 3, 5, 3Ltri iodo thyronine(T₃) and 3, 3: 5~triiodothpnine(rT₃) bound to it in the presence of GSH and Cu^(2+). The above results suggest that transthyretin may play a role in regulation of oxidized status of sulfhydryl groups in blood plasma and cerebrospinal fluid

晉州 玉房 遺蹟

沈奉謹 동아대학교 박물관 2002 考古歷史學志 Vol.17-18 No.-

풍동실험을 위한 LabVIEW 응용 온라인 계측시스템의 개발

김봉근,장성태,이경용,박운진 한국기술교육대학교 2004 論文集 Vol.10 No.2

On-line measurement systems were newly developed for the performing effective wind tunnel experiments by utilizing the LabVIEW(Laboratory Virtual Instruments Engineering Workbench) system. As a result, instead of post-data-processing procedures based on Fortran programming which was commonly adopted in conventional measurement systems, wind tunnel experiments can be carried out on window-based PC operating systems and thus much time and effort required in analyzing fluid flow field can be successfully reduced. Furthermore, by utilizing the web publishing tool which is provided by the LabVIEW, it is possible to monitor and to control each measurement step via internet web pages from the remote area other than the laboratory in which experiments are carried out.