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      • 성인형 T세포 백혈병 1례

        김영곤,윤상준,장성종,이봉규,박유환,정춘해 조선대학교 부설 의학연구소 1999 The Medical Journal of Chosun University Vol.24 No.1

        Adult T-cell leukemia(ATLL) is an endemic disease in southwestern Japan and the Caribbean, but occurs sporadically in most of the world. HTLV-1 is recognized as the etiologic agent of adult T-cell leukemia. ATLL is characterized by leukemia, lymphadenopathy tumor infiltration of the skin, hepatomegaly, hypercalcemia and lytic bone lesions. We report one case of ATLL, in Korea, which was confirmed by typical clinical findings and positive findings of HTLV-1. A 48 year old women, suffering from nausea and vomiting for 5 days, was admitted to hospital on June 1998. At admission, she had cervical lymphadenopathy. Her peripheral leukocytes count was 10.400/mm3 with 1-2% atypical lymphocytes containing pleomorphic and convoluted nucleus. In the bone marrow, a part of nucleated cells were leukemic cells. These abnormal cells had surface markers of helper T-cell(T4) and had positive finding of HTLV-1. Based on above mentioned findings, this case was diagnosed as ATLL. Despite of combined chemotherapy and intensive supportive care, she died of respiratory failure on 61 hospital days.

      • 母船式 다랑어 延繩漁業의 漁況에 關한 硏究-Ⅰ : 印度洋 中國海域의 漁種別 混獲率

        趙鳳坤 군산대학교 1977 群山水産專門大學 硏究報告 Vol.11 No.2

        1.14 segments-long line(630m/Basket) was higher than 9 segments(405m/Basket) in the rate of mixed catch of Bigeye tuna and also the hooking rate was higher about 8.3%. 2.The rate of mixed catch of Yellow fin tuna showed high values around islands and reefs, but Bigeye tuna showed low values. 3.On the point of each latitude, the rate of Yellow fin tuna in mixed catch was high in the Lat. 0-5˚N, the rate of Bigeye tuna was high in the Lat 0-5˚N, 5˚S-10˚S. 4.On the point of each longitude, the rate of Bigeye tuna was getting higher according to a course to the eastwards than 80˚E and to the westwards than 50˚E, Otherwise Yellow fin tuna was high in the long. 50˚-80˚E.

      • 트롤船 主機關 馬力數와 漁具種模와의 關械에 대하여 : 北洋 트롤船을 中心으로

        趙鳳坤 군산대학교 1982 群山水産專門大學 硏究報告 Vol.16 No.3

        This study is concerned with the optimum design of R.C rectangular beams with reliability constraints. Formulations of the optimum design for R.C structures with reilability constraints based on the the working stress design method turn out to be the nonlinear programming problems which have to deal with the steel area and effective height of R.C structures as design variables. Reliability index is used for taking account of reliability constraints. The construction cost which considers the costs of steel, concrete and forming is considered as an objective function. Optimization of R.C structures with reliability constraints is achived by transforming these nonlinear programming problems with constraints into SUMT, and the optimum solution is obtained by solving SUMT utilizing the Modified Newton-Raphson method. The algorithm adopted in this study is tested for the two rectangular beams, one is simply reinforced and the other doubly, and compared with the numerical results of other algorithm to examine its convergence, applicability and stability. The results of this study are discussed about the applicability, stability, economy of the optimum design of R.C beams with reliability constraints and the validity and convergence of the alogrithm used here through the numerical analyses.

      • 母船式 다랑어 연승어업의 漁況에 관한 硏究-II : 印度洋 中部海域의 다랑어 體重組成에 對하여

        趙鳳坤 군산대학교 1978 群山水産專門大學 硏究報告 Vol.12 No.2

        Basing on the data operated by Dong Won NO 311 tuna fishing fleet in the Middle part of Indian Ocean during 9 Months from July 1974 to March 1975, the following characters are shown in regard to the weight composition. (1) The bigeye tuna, proceed to go southward in the easterly and westerly fishing ground, this group of heavy weight was dominant. The yellow fin tuna, proceed to go high latitude in the easterly, this group of heavy weight was dominant, but in the westerly fishing ground the weight difference by latitude was not distinct. (2) The mean weight of bigeye tuna was heavier in the westerly than the easterly fishing ground, but the yellow fin tuna was quite opposite. (3) The mean weight of bigeye tuna became lighter in accordance with month progress, but the yellow fin tuna was quite opposite.

      • 植物體의 水溶性 成分의 抽出 메카니즘

        유승곤,송봉준,이보성 충남대학교 공업교육연구소 1985 論文集 Vol.8 No.1

        Water soluble components of Persicaria hydropiper have an insecticidal effect. The extraction mechanism of water solubles from Persicaria hydropiper was studied and it turned out to be a diffusion model. The diffusivity was logarithmically increased with respect to extraction temperature (20…70℃) showing the values in 0.7…2.65×10^-7 cm²/min. Some variables which have an effect on extracted quantity of water solubles were also observed. As a result, optimum operatin conditions and empirical equation were presented for the industrial scale extraction.

      • 트로올船의 主機關 馬力數와 漁貝規模와의 關係에 對하여-Ⅱ : 北洋 트로올鮮의 10복魚貝를 中沈으로

        趙鳳坤,李元羽 군산대학교 1987 群山水産專門大學 硏究報告 Vol.21 No.2

        I have inspected the relations between the maximum continuous shaft horse power of the main engine and the 10 seamed trawl net plan of 12 Korean trawers which are operating the fishing work in the Northern Pacific Ocean. The trawlers are installed the main engine with the capacity of 2,000 p.s-6,000 p.s. The findings are as follows. 1. Relations between P(p.s) and the length of head rope of trawl net H(m) are approximately expressed in the following formula (Fig. 2) H=0.0079 P +27.8. 2. The length of ground rope of a trawl net is about 1.42 times of head rope's. 3. Relations between P(p.s) and the trawl net ab □ (㎡) are approximately formulated as follows (Fig. 2). ab□= 0.222P - 9.35 The above abbreviations stand for ; a: the maximum breadth of a body net without shortening (m) (shown by dotted lines in the Fig. 1). b: the maximum length of a trawl net without shortening (m). □: the average value of a ratio; d-diameter of net twine, ℓ - length of each mesh bar at side pannel 1 - 8 sections (Fig. 1). 4. Relations between P(p.s) and the weight of ground rope in the water WG, and between P(p.s) and the total broyance of trawl net are approximately formulated as follows (Fig. 3). WG = 1.93P0.78 B = 0.73 P0.94 5. The proportions of net parts which are in use at the Northern Pacific Ocean are approximately as follows (Fig.4). The proportions among the length of wing net, square net, upper body net, lower body net, cod head net and codend net are 1 : 0.45 : 1.64 : 0.50 : 0.21 : 1.14 and among the breadth of baiting, belly, side panned, baiting delta and belly delta are 1 : 1 : 2.21 : 0.67 : 0.61. 6. The hanging ratios on the length of trawl net are approximately as follows (Fig. 4), The hanging ratios of the wing net, square net, upper body net, cod head net and cod end net are 85.3%, 86.1%, 90.6%,95.6%, 96.8%, and 96.9%.

      • 母船式 다랑어 延繩漁業의 漁況에 關한 硏究 (Ⅲ) : 印度洋 中部海域의 西部漁場에서의 釣獲率에 對하여

        趙鳳坤 군산대학교 1979 群山水産專門大學 硏究報告 Vol.13 No.3

        The samples of tunas treated in this report were obtained from 311 Dong Won tuna fishing- fleet in the western fishing ground of the middle parts of Indian Ocean during 12 Months (in Feb.- Aug. 1978, and in Dec. 1978-Apr. 1978) The results analyzed the hooked -rate in this area were summarized as follows ; 1. Latitudinal changes of the hooked- rate (1) The booked- rate of yellowfin tuna was higher in the sea area between 5˚-10˚S, and it was gradually decreased by going to north- wards. (2) On the contrary, the bigeye tuna and marlins were higher in the area between 5˚-10˚N and it was gradually decreased by going to south- wards 2. Monthly changes of the hooked- rate (1) Yellowfin tuna was excellent in the winter season between Dec.-Jan. and was lower in the summer between 6-8 months. (2) Bigeye tuna was higher in the winter between dec. 1978-Feb. 1979 and was lower except for above months. (3) As to marlins, there was not distinct features

      • 버들여뀌의 水溶性 成分의 殺충效果

        송봉준,유승곤,이보성 충남대학교 공업교육연구소 1986 論文集 Vol.8 No.3

        The water-soluble extract of Persicaria hydropiper was investigated with respect to its insecticidal effect. Small plant parasitic insects such as Aphis and Perichaeta communissma were wholly killed within 60 min, in the aqueous solution including 1250 ppm of the water-soluble extract. This extract was passed through cation and anion resins, and the non-adsorption parts were fractionated with membrane filters. The lower molecular fraction (MW/<500) exhibited a strong insecticidal effect and a new component having R_f value of 0.24 has been observed on the TLC from this low molecular fraction.

      • 古群山群島 멸치囊長網漁業의 漁場環境과 漁獲量에 관하여

        李吉來,趙鳳坤,劉奉錫 군산대학교 1983 群山水産專門大學 硏究報告 Vol.17 No.1

        I have researched the formation of the Fishing ground, environment and catches of anchovy's long bag net fishery in 1978-1980 at Go Gun San Ir. middle west coast of Republic of Korea. The results are as follows. 1.The fishing ground environment during the fishing period, so to speak, the water surface temperature is 8-26˚.5c salinity is 28.4-32.9%o transparency 0.5-11m. There is a few difference between costal region and outward region. 2.It shows a tendency decreasing on the catches of Anchovy's long bag net fishery year by year. The monthly catches during the fishing period is May in spring July-Oct. in summer and autumn otherwise, it requires a survey of reserve resources in any other season. 3.On the appearance of anchovy at GoGunSan Ir. The small anchovy is formed a fish school at near coast during spring and autumn. It is connected with the spawning school. 4.The region "C" which the salinity density is lower as better catches, after July. The region "B" is better catches than any other place. 5. The transparency of fishing ground is 11m below. It is better catches is low transparency than the transparency is high.

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