서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)

김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1

In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.

뇌 자기공명영상상 뇌량 병변의 호전을 보인 Marchiafava-Bignami병 1예

정재훈,성기범,안무영,신현길,박형국 대한신경과학회 1999 대한신경과학회지 Vol.17 No.5

스파크 신호검출에 의한 전기화재 예측

길경석,김일권,송재용 한국해양대학교 산업기술연구소 2002 연구논문집 Vol.19 No.-

This paper describes a technique that can predict electric fires by detecting a spark signal generated from operation of electric facilities. An electric fire lead a loss of life as well as huge property, therefore it is very important to predict an electric fire and eliminate the causes of it. Electrical spark which is ranked as majority causes of electric fires has a characterized frequency bandwidth distinguished from power frequency. In this experiment, various spark signals are simulated in a condition such as short circuit, flashover, and surface discharge. The results showed that the monitoring of spark signals can predict electric fires.

방사선 펄스 계측 및 분석시스템에 관한 연구

길경석,손원진,송재용,김일권 한국해양대학교 산업기술연구소 2002 연구논문집 Vol.19 No.-

An objection of this study is to develop a measuring circuits and a analytic system for radioactive pulses. The proposed system consists of a pulse detection units for neutrons and gamma-rays, a programmable high voltage supply unit and a digital signal processor. Gamma-ray detection circuit can count pulse up to 10,000[pps]. The pulse detection parts consists of an active integrator, a pole-zero circuit, and a 3-stage amplifier of 60[dB], and its frequency bandwidth is from 37[Hz] to 300[kHz]. Also, pulse height distribution in accordance with pulse counts is important data in analyzing radioactive pulses. In this study, A/D converter (12[bit], 100[ns] and DSP [TMS 320C31-60) are used to analyze the pulse height, and the analytic system is designed to be operated in PC-base. Radioactive pulse has superior penetration ability to all kind of materials, and it is also possible to evaluate the soundness of electrical insulation materials by analyzing the pulse counts and/or pulse height distribution.

학생 청소년이 지각한 신체형과 우울성향간의 관계분석

이재우,이길홍,민병근 大韓神經精神醫學會 1985 신경정신의학 Vol.24 No.4

In order to collect baseline data to set up educational guidelines for adolescent's affective disorder, it was attempted to analyze the relationship between body types and depressive trends. Data was collected through questionnaire survey applied to 1395 students from 8 middle and high schools including Seoul and Country area. The results of the study were presented below. 1. Among body types of adolescent student in Korea, the athletic type(42.2%) was the most prevalent ones, the next was the asthenic type(21.4%), the pyknic type(19.6%), the dysplastic type(10.5%) and the mixed type(6.3%) in this order. 2. The most frequent and serious depressive sign perceived by adolescent students was psychological equivalent of depression including agitation, retardation, indecisiveness, hopelessness irritability and emptiness, while physiological equivalent of depression such as constipation, decreased libido, insomnia, tachycardia and fatigue was found to be the least frequent depressive signs. 3. In the relationship between schooler's body types and their depressive trends, the pervasive affect, the physiological equivalents and the psychomotor disturbance of depression were the most prevalent in the dysplastic type. In the other wards, the dysplastic student showed depressive trend including confusion, fatigue, diurnal variation, dysphoric mood, weight loss, personal devaluation and dissatisfaction. 4. The ideational depressive trend such as emptiness, suicidal rumination, hopelessness and irritability was the most frequently observed in the pyknic type. 5. The physiological equivalent of depressive trend with decreased libido and tachycardia was the most prevalent in the asthenic type. 6. There occured little depressive trend in the athletic type.

지반조건에 대한 면진교량의 지진응답

신재철,성낙구,최인길 忠南大學校 産業技術硏究所 2001 산업기술연구논문집 Vol.16 No.2

In this study seismic response of a base-isolated bridge for soil types is compared. Bilinear model is used for lead rubber bearing(LRB). Accelerograms Whose response spectrum matches the design spectrum for soil types are used as earthquake ground excitation. Nonlinear time history analyses using the SAP2000 program are performed. The results show that the seismic response of a base-isolated bridge is increased as the soil types.

범법정신장애자의 정신의학적 특성분석

이길홍,이재광,박두병,나철,기백석,이재우,유영식,이영식,이헌재 중앙대부설한국의과학연구소 1991 한국의과학 Vol.23 No.1

Ⅲ. 벼 교잡종의 Allelopathy 효과 구명

이재현,신동현,이인중,김길웅 慶北大學校農業科學技術硏究所 2002 慶北大農學誌 Vol.20 No.-

본 연구는 allelopathic potential을 지닌 벼의 교잡종을 포장에서 재배하여 그 식물체의 잎을 생물검정에 이용하여 allelopathy 효과 유무를 검정하고, 생물검정으로 선발된 교잡종을 대상으로 phenolic compounds를 조사하여 allelochemical로써의 가능성을 확인하고 나아가 phenolic compounds 생합성에 관여하는 효소의 활성 측정과 이 효소의 작용에 의해 유도되는 phenolic compounds를 구명한 결과는 다음과 같다. 1. 포장상태에서 피를 대상으로 생물검정을 실시한 결과 양친으로는 Kouketsumochi, Woo cochin yu에서 공통적으로 90% 이상의 높은 피뿌리 생장 억제율을 보였고, 교잡종에서는 Kouketsumochi/Woo co chin yu, Dongjinbyeo/Kouketsumochi Dongjinbyeo/Woo co chin yu 조합에서 80% 이상의 높은 억제율을 나타냈다. 2. Kouketsumochi의 PAL 활성은 protein 1kg당 63.46μkats로 타 공시품종보다 높았다. 또한 Kouketsumochi와의 교잡종도 타교잡종보다 높은 것으로 나타났다. 3. Kouketsumochi의 cinnamate 함량은 생체중 1g당 2.64μg으로서 다른품종이나 교잡종보다 2∼5배 높았고, Kouketsumochi와의 교잡종도 타교잡종보다 높았다. This study was conducted to investigate allelopathic potential of various crosses of rice cultivars using their inhibitory effect on barnyardgrass growth under field conditions, and to determine PAL activity and phenolic compounds involved in phenylpropanoid pathway from selected crosses of rice cultivars. Under field conditions, Kouketsumochi, Woo co chin yu possessed higher allelopathic potential inhibiting over 90% of barnsyardgrass growth. Crosses of Kouketsumochi/Woo co chin yu, Dongjinbeyo/Korketsumochi, Dongjinbeyo/Woo co chin yu showed over 80% inhibitory effects on barnyardgrass growth. The highest PAL activity, 63.46μkats/kg proteins was detected in Kouketsumochi which is the most important enzyme in phenylpropanoid pathway and also higher PAL activity in crosses with kouketsumochi. Content of cinnamate was 2.64㎍/g f.w. in Kouketsumochi which was 2 to 5 times higher than other rice cultivars tested, indicating that higher PAL activity resulted in more cinnamate. The similar trends in cinnamate content and PAL activity were observed in crosses of rice cultivars with Kouketsumochi.

水産專門大學 漁業科 敎育課程 開發硏究

裵錫悌,宋之浩,李吉來,鄭興基,洪聖根,趙鳳坤,朴種洙 군산대학교 1983 群山水産專門大學 硏究報告 Vol.17 No.1

In order to develop the curriculum of the fishery department in the fisheries Jr. college, We have collected and analyzed the domistic and foreign data adquated to the fishey department under the international trend, also we gathered the opinion from the inquiring paper investigation and consultation to the industrial field, concerned college and graduate during the 6 month from September 1982. The fishery department curriculum in fisheries Jr. college will be industrialized with the concerned technics and knowledge in relation to speciality of maritime affairs. Accordingly, we have developed the adquate curriculum which is practical and can be cultivated the technician to adopt in the industrial society.

확률론적 해석법에 의한 연직배수 영향인자 민감도 분석

유남재,전상현,정길수,김동건 강원대학교 산업기술연구소 2006 産業技術硏究 Vol.26 No.B

A probabilistic analysis model, one of reliability analysis methods introducing the concept of probabilistic variables, was developed to investigate the uncertainty of dominant factors influencing the degree of consolidation in the radial consolidation theories. Based on the developed probabilistic analysis model, sensitivity study of those factors was performed to find their trends of affecting the degree of consolidation in the vertical drain method. Various radial consolidation theories, Proposed by Barron(1948), Hansbo(1979), Yoshikuni(1979) and 0noue(1988), were used for this parametric study with the influencing factors such as size of smear zone, reduction ratio of permeability in the smear zone, discharge capacity, permeability for horizontal flow and coefficient of consolidation for horizontal flow. As results of this sensitivity study, for the given consolidation theory, contribution of each factor to the degree of consolidation was figure out and compared to each other. For the given value of each factor, the sensitivity to the degree of consolidation in the various theories was evaluated and their applicability and limitations were assessed.