대장암 근치적 절제술후 재발양상에 관한 임상적 연구

이길연,홍성화,고석환,윤충,고영관,이기형,박주철 대한대장항문학회 1996 Annals of Coloproctolgy Vol.12 No.2

높은 지향성을 갖는 Air Line 결합기 설계

길준범,이성원,최영호,박종임,안달,박준석 호서대학교 반도체제조장비국산화연구센터 2000 학술대회 자료집 Vol.2000 No.1

본 논문에서는, 일반적인 스트립 구조의 결합기가 갖는 문제 즉, 높은 온도에서 나쁜 특성을 보이는 문제점을 극복하고자 Air Line Type의 결합기를 구현하였다. 또한 이 결합기는 24dB이상의 지향성을 가지고 있다. 해석을 위해 짝수 모드와 홀수 모드 해석법을 사용하였고, EM-Simulation으로 확인한 특성과 실제 제작된 20dB, 30dB Cellular 대역(800∼900MHz) Air Line 결합기의 결고 특성은 좋은 일치를 보여주고 있다. 또한 최대 장점인 온도 특성은 온도 데이터를 통하여 온도에 강한 특성을 보임을 알 수 있다.

설갑상선 : 1 예 보고 A Case Report

한기석,배일헌,차상훈,김성진,박길선 충북대학교 의과대학 충북대학교 의학연구소 2003 忠北醫大學術誌 Vol.13 No.2

갑상선 조직 전체가 설기저부에 발생한 이소성 설갑상선 증례를 경험하였기에 그 방사선학적 소견을 문헌고찰과 함께 보고하고자 한다. 증례는 59세 여자 환자로 40 일전부터 발생한 음성 변화를 주소로 내원하였다. 이학적 검사에서 설 기지부 중앙에 회백색의 격막에 둘러 쌓인 3 cm 가량의 종괴가 있었으며, 종괴는 내장으로 돌출하여 구인두를 막고 있었다. 경부 전산화 단층촬영 측면 정찰 촬영에서, 설 기저부에 후방으로 돌출하여 구인두를 막고 있는 경계가 분명한 연부조직 종괴가 보였으며, 전산화 단층촬영 동맥기와 정맥기에 주변의 혈관과 비슷한 강하고 균일한 조영증강을 보이는 장경 2.5 cm의 원형 종괴가 있었다. 또한 갑상선이 있어야 할 경부 전방 공간에서 정상 갑상선 조직은 전혀 보이지 않았다. 설 기저부의 종괴에서 생검을 시행하였으며 병리 검사에서 갑상선 조직으로 진단되어 설갑상선으로 확진되었다. The authors report a case of ectopic thyroid that whole thyroid tissue was replaced by lingual thyroid. A 59-year-old female presented with dysphonia duration of 40 days. On physical examination, there was a 3 cm sized well encapsulated whitish mass protruding to oral cavity in milline of tongue to base. Computerized tomography of neck revealed homogeneously enhancing well marginated 2.5 cm sized round mass in the cecum of tongue base on arterial and venous phase. And there was no normal thyroid gland in lower anterior neck.

인쇄체 한글인식을 위한 MLP인식기의 인식결과 재추정 : Softmax 타당성 연구

임길택,김기석 경주대학교 정보전자기술연구소 2007 情報電子技術論叢 Vol.6 No.-

In this paper, we have studied on the feasibility of softmax method for MLP classifier which had been developed for the recognition of Type 1 machine printed Hangul character. When an MLP has been employed as a classifier, the softmax method has well known to be a proper method to obtain class a posteriori probability of the input character class. The recognition of postal address images is indispensable for the automatic sorting of postal envelopes. The process of the address image recognition is composed of three steps; address image preprocessing, character recognition, and finally address interpretation. The last address interpretation step is highly influenced by individual character recognition characteristics. For better envelope sorting rate, the character classifier should produce and forward proper results to the address interpretor. We have tested softmax and original method for reestimation of MLP classifier output values. To find out which method is more proper, we have utilized the character images of the real postal envelopes from the sorters in the post office. Through the experiments, we have seen that the original method produces better outputs for the address interpretor in terms of error and rejection for individual characters and non-characters.

鮟鱇網 漁具 漁法의 改良에 관한 硏究(Ⅱ) : 展開帆을 이용한 改良漁具 試驗(豫報)

李吉來,宋之浩,朴鍾洙,徐萬錫,趙鳳坤,朴正鎬,洪聖根,鄭公炘,裵錫悌,鄭與基,金鎭乾 군산대학교 1980 群山水産專門大學 硏究報告 Vol.14 No.1

Ordinarily stow net fisheries was used by floater beam and sinker beam for the purpose of spreading the mouth of net. But it was not only iuconvenient and dangerous but much defective. In this thesis, we have studied fundermental experiment of the improved stow net fishing gear using head rope, ground rope and otter sail instead of floater beam and sinker beam. From the result of this experiment, it has been succeeded for fishing work to achieve basically without any difficulty. The results obtained in this study were as follows. 1) The resistance of fishing gear was estimated R≒7V2 as possible as it is taken greatly. (R: Resistance V: the rate of current) 2) The interval of otter sail was spreaded smoothly. Being in normal condition, it was maintamed the width 37-38m. It was heared comparison with net mouth of ordinary gear, and the shearing force was enough. 3) The height of mouth was lower than we have anticipated to and seemed to have the supplement of buoyancy. But according to increasing the rate of current, the lowness of mouth height was little affected. 4) The height of otter sail was decreased at the rate of 30% by the rate of current, on the contrary, the height of wing was not decreased owing to sufficient buoyancy, 5) The adjustment of extention length of hanging wire(connected with fishing boat) and raising wire(with otter sail) was great important problem and it must be dealed with the most moderatly because of a corelation between the spreading of fishing gear and catching ability. 6) On the depth of 30m, it was taken 25 minuits to cast anchor and lines, 20 min cast net, 24 min haul net, 45 min haul lines and heave anchor, respectively. 7) The improved stow net with otter sail was cleared up the defects and difficult problems in ordinary gear using floater beam and sinker beam, and it have more advantages of fishing work than ordinary one. But there were involved in lots of problems in details to solve in the future.

이식폐장의 핵의학검사

전석길,현정애 啓明大學校 醫科大學 1995 계명의대학술지 Vol.14 No.4

만성알콜중독과 Alzheimer 형 치매의 뇌전산화 단층촬영상 뇌위축의 비교

전석길,박종한 大韓神經精神醫學會 1985 신경정신의학 Vol.24 No.1

저자들은 1981년 1월부터 1984년 6월까지 계명의대 동산의료원에 내한한 Alzheimer형 치매환자 15명 (남 12명, 여 3명, 48∼76세)과 6명의 남자 알콜리즘환자 (51∼69세), 그리고 1982년 3월부터 1983년 8월까지 부산 메리놀병원 신경정신과에 내원했던 7명의 알콜리즘환자 (남 6명, 여 1명, 52~63세)를 "방사선과학적으로 정상" 으로 판독된 같은 연령층의 대조군 18명 (남 11명, 여 7명, 50~73세)과 Evans지수, Frontal horn지수, Bicaudate지수, Cell media지수, 3rd ventricle-sylvian fissure/skull지수, 그리고 4 구의 합을 통해 비교하여서 다음과 같이 그 결과를 요약한다. 1. 알콜리즘환자 및 Alzheimer형 치매 환자의 각 측정치는 모두 대조군보다 현저한 뇌위축을 나타내었다. 2. 알콜리즘환자와 Alzheimer형 치매 환자의 비교에서는 양군간에 모든 측정치가 거의 비슷했다. 3. 각종의 대뇌위축 측정방법들 중에서 구의 확장정도가 가장 예민했다. To study the cerebral atrophy in chronic alcoholics and patients with dementia of Alzheimer type, authors measured the Evans' ratio, frontal horn ratio, bicaudate ratio, cella media ratio, 3rd ventricle-Sylvian fissure/skull ratio, and sum of 4 sulci in brain CT films of 13 chronic alcoholics, 15 patients with dementia of Alzheimer type, and 18 control group of "radiologically normal". The results were as follows: 1. Chronic alcoholics and patients with dementia of Alzheimer type were found significant cerebral atrophy than control group in the all ratios. 2. The difference of the degree of cerebral atrophy score between chronic alcoholics and patients with dementia of Alzheimer type was not statistically significant, and similar score was found on the both groups. 3. The sulcal widening was most sensitive among the variable cerebral atrophy measurements.

의약품중 잔류유기용매 시험법 확립에 관한 연구

고용석,강찬순,최보경,김혜수,홍정희,최명신,김상현,장성재,김길수 식품의약품안전청 2001 식품의약품안전청 연보 Vol.5 No.-

Headspace-GC(딘5-GC)를 이용하여 ICH 잔류웅매 가이드라인 class 1, 2에 속하는 28종의 잔류유기웅매 분석방법을 연군한 결과 SPB-5, BB-WAX column을 동시 이용하여 각각을 확인, 정량할 수 있었다.또한 염의 참가효과, 평형시간,평형온도가 headspace분석에 미치는 영향을 검토한 결과 평형 시간 30분,평형온도 85℃,Na₂SO₄Ig을 첨가하여 시험할 때 최적 부넉조건을 나타내었다. 회수율은 1,1-achloroethene(68.3%)를 제외하고 90.9 ~ 114.5%로 패체적으로 양호하였다. 따로 HS-GCJECD, DB-524 column을 이용하여 9종의 잔류유기용매에 대하여 각각의 검랸선을 작성하고 검출한계를 구하였다. 실제 의약품 원료 10종및 제제 5종에 적용시킨 결과 모두 불검출되었으며 본 시험법은 의약품중의 잔류유기용매 분석에 적용할 수 있는 방법이라고 판단된다. The headspace-fC/FID(HS -GC/FID) method was performed for test method developnlent of residu;31 organic solvents in pfrarmaceuticals. Using SPB-S and BB-WAXcolumn, 28 kinds of solvents iri ICH residual sof)·ents guidetine class 1, 2 couBd be individuallt-identified and quantitated. The foIBowing residoal soIYents were not detected by the headspaceinjection condition : N,N-Cmethylacetamide, N,N-dimeth)rlformamide, ethyfeneglycol, formamide,2-methoryethanot, N-rnethylpyrrolidone, suBforane. The effects of the addition of salts,equilibration time, and equilibration temperature on headspace analt·sis were invesugated. Theoptimum conditions weiFe obtained with addtion of Ifa2s04 19 as a salt, simultaneously. thetime and temperature of equitibration were 30min and 8i'f, respectivety. The recovery havefound between 90.9 and 114.5% except 1,1-dichloroethene(fi8.3%). Using DB-624 column &HS-GC/:ECD method, 9 kinds of residual solvents could be individually identified andfuantitated. This HS-GC method can be applied to test the residua3 organic solvent in thepharmaceuticals.

漁船의 海難事故와 防止 對策에 관한 硏究

裵錫悌,李吉來,徐萬錫 군산대학교 1993 群山水産專門大學 硏究報告 Vol.28 No.1

The marine casualties of fishing boat has been taken place in many ways i.e. collision, foundering, agrounding, engine blink, fire, damage of fitting. etc. I have investigated the aspects of marine casualties of fishing boat concernings to the states of character of casualties during 1987∼1991 and suggested counter-measure for preventing marine accident of fishing boat. The results were as follows: 1. Most casulties were occured on the mishandling of engine on account of deficiency of maintenance and preliminary article. 2. Most marine casualties has been taken place the vessel less than 100 ton by the tonnage and much happend on account o operational fault and neglect of their duty by the reason. 3. The authorities will be estabilished prohibited zone according to the operational method to keep out of the marine casualties of fishing boat. 4. The authorities must strengthen the safety education of fishing boat to replace education which is prositive and practical once five years. 5. The administration have to consolidate the safety inspection of fishing boat according to the international trend. 6. Even in fishing boat, the Fishing boat must be utilized the GMDSS system in connection with the marine casualties. 7. The administration must unify the all of act concerning to the fishermen promote the social welfare and their well-being.

船員敎育의 國際的인 趨勢와 우리의 對處方案 : 漁船員을 中心으로

裵錫悌,李吉來 군산대학교 1984 群山水産專門大學 硏究報告 Vol.18 No.2

In accordance with trend of international decision of training and certification for fishing vessel's crew, we have to involve the tendency of international flow. Accordingly, the domestic law has been reformed in order to promote safety of life and the protection of marine environment due to the pollution. With the reform of ship personal law according to IMO/STCW convention, we have to supplement the category of training syllubus suitable for the decision of IMO/STW 1984.