서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1996)

김재홍,황동규,전재홍,김윤석,김중환,김용준,이창균,임동진,김현수,조창근,김경문,박상훈,전우형,김희성,이호정,차명수,김갑형,김형석,김석우,황지환,박병순,권오상,이민수,송기훈,성소영,이인섭,부태성 대한화학요법학회 1999 대한화학요법학회지 Vol.17 No.2

Background : In recent years, gonorrhea has been panedemic and remains one of the most commom STDs in the world, especially in developing countries. Objective & Methods: For the detection of a more effective therapeutic regimen and assessing the prevalence of PPNG, we have been trying to study the patients who have visited the VD Clinic of Choong-Ku Public Health Center in Seoul since 1980 by means of the chromogenic cephalosporin method. Results: In 1996, 139 strains of N. gonorrhoeae were isolated, among which 53(39.0%) were PPNG. Conclusion: Our results suggests that after a peak of 74.3% in 1993, the prevalence of PPNG in Seoul is gradually declining.

ATM망에서 ABR서비스를 위한 효율적인 전송률 할당 알고리즘에 관한 연구

천재호,윤상호,김명균,허정석 울산대학교 1999 공학연구논문집 Vol.30 No.2

ATM망에서 ABR 서비스는 CBR, VBR에 할당된 대역폭을 제외한 나머지를 이용해서 데이터를 전송한다. 오디오 또는 비디오 데이터와 같이 실시간 전송이 필요한 서비스들을 전송지연이 제한되는 CBR이나 VBR 트래픽을 이용하여 제공할 수 있지만, 이런 경우에는 전송 대역폭을 효율적으로 사용하지 못하는 단점이 있다. 본 논문에서는 실시간 데이터를 ABR 서비스를 이용하여 효율적으로 전송하기 위한 ABR 대역폭 할당 알고리즘을 제안한다. 제안된 알고리즘은 MCR을 보장하며, MCR에 비례해 전송률을 할당한다. 그리고 접속의 상태를 만족(satisfied)상태와 불만족(bottlenecked)상태로 구분하고, 만족 상태인 접속이 사용하지 않는 대역폭을 불만족 상태인 접속이 사용할 수 있도록 하여 대역폭 활용도를 높인다. 또한 제안된 알고리즘은 큐 제어 함수를 사용해서 큐 길이를 일정한 범위로 유지함으로써 셀의 전송지연을 일정하게 한다. 본 논문에서는 시뮬레이션을 통해 제안된 알고리즘의 성능을 분석하고, 기존에 제안된 ATM 포럼[1]및 Kalampoukas 알고리즘[2]과 비교를 하였다. On ATM networks, ABR services are provided using the remained bandwidth after allocating CBR and VBR traffic. Realtime services such as transmitting audio or video data may be provided using CBR and VBR which have a constrained transmission delay, but in those cases, the communications bandwidth may be wasted. This paper proposes an efficient ABR rate allocation algorithm to transfer real-time data using ABR service. The proposing algorithm guarantees MCR and allocates bandwidth to each connection proportional to its MCR. The proposing algorithm divides the connections in two groups, a satisfied state group and a bottlenecked state group, and enhances bandwidth utilization by allowing the remained bandwidth after allocating to the connections in the satisfied state to the connections in the bottlenecked state. The proposing algorithm uses the queue control function to keep the queue length within some boundary, which makes the transmission delay constant. We simulate and compare the performance of the proposing algorithm with that of the algorithms proposed by ATM Forum[1] and Kalampoukas[2].

횡 요천골부 후피부판 (Transverse Lumbosacral Back Flap)을 이용한 천골부 욕창 치험례

전건수,김유승,하재성,박준용,서정오 大韓成形外科學會 1993 Archives of Plastic Surgery Vol.20 No.3

Pressure sore is an area of ischemic tissue loss resulting from prolonged or often repeated pressure, usually over a bony prominence of body. Recently, the prevalence of pressure sore is major clinical problem, due to the increased number of patients with spinal cord injuries or longterm comatous patient after traffic, industrial accidents. The surgical principles in the treatment of pressure sores are total excision of the ulcer, scartissue, bursae, complete removal of all infected bone with recontouring of bony prominences to alleviate discrete pressure points and resurfacing and padding of the defects with healthy and well vascularized tissues. The sacral sore is the most common site for the development of pressure sore in Korea. We had experienced 14 cases who had received surgical treatments for sacral sores with transverse lumbosacral back flap. We obtained the following conclusions. Advantages 1)It is quick and easy procedure 2)The flap elevation itself is relatively bloodless 3)The donor defect is in a non-weight-bearing area 4)Muscle is not sacrified(possibly of importance in the ambulatory patient) 5)Surgical options are preserved in cases of recurrence(the flap itself may be reelevated and inset in some cases of recurrence) Disadvantages 1)It is lacking the bulky padding afforded by alternative musculocutaneous flaps 2)The vascularity of the flap tip is empirically less dependable than that of a musculocutaneous flap 3)The donor defect is large, cannot usually be closed primarily, and may prove of cosmetic concern

묘지 조성사업지의 비탈면 보호공법에 관한 연구(Ⅰ) : 강릉시 시범 공설묘지 조성사업을 중심으로

전근우,유남재,차두송,이명종,박완근,한상균 강원대학교 삼림과학연구소 2000 Journal of Forest Science Vol.16 No.-

강릉시 시범 공설묘지 조성사업은 경사 30˚ 의 표고차가 심한 산지를 절 · 성토하여 계단식 묘역단을 조성하는 공사로 수직고 15m이상의 대절토 및 성토부가 산재하고 있다. 특히 묘역단장후 주변 유입수 및 표면 유출수에 의한 비탈면 붕괴, 묘역단 유실 등의 피해가 발생할 경우 보수 또는 보강이 사실상 어려운 실정이며, 사회적 여론으로 확대될 가능성이 크므로 비탈면 보호에 필요한 녹화공법을 검토하였다. 구체적인 연구내용으로는 설계도면 및 현장답사를 통한 문제 비탈면 추출, 비탈면의 물리적 특성과 식생의 생육상황 파악, 비탈면 주변부의 식생조사와 유용식생 선발, 비탈면의 토양조건 분석 및 비탈면 토사의 기본물성 조사 등이며, 이를 기초로 하여 비탈면 현황 및 문제점을 파악하고, 그 대안을 제시하였다. The construction of a public cemetery in Kangnung city includes terraced graveyard with cutting or banking in mountain which has severe altitude differences with a slope of 30˚. Therefore, there are scattered cutting and banking sections with vertical height more than 15m. Especially, if the slope failure or the loss of a graveyard happens after graveyard establishment due to surface flow and inflow around, it is difficult to repair, causing serious public censure. Accordingly. revegetation works were examined that need protection of slope. The specific content of the study was the selection of slopes requiring special care through blueprint and field investigation the measurement of the physical property of slope and the situation of vegetative growth, the investigation of vegetation in slopes and the selection of vegetation, and the analysis of soil condition of slopes and the physical condition of slope sediment. On the basis of investigations some alternatives were proposed.Key words: public cemetery, slope protection works, revegetation works

漢川 유역의 植物相

전재인,신상천,강경아,이종운 嶺南大學校 基礎科學硏究所 1993 基礎科學硏究 Vol.13 No.-

하천 휴식년제 실시에 따른 자연 생태계 조사의 일환으로 한천 상류 15km 구간의 육상과 수계의 식물상 조사를 실시하여, 하천 휴식년 초기의 상태를 파악하고자 하였다. 전 조사 지역에 걸쳐 66科 160屬 193種 30變種 1亞種이 출현, 총 225種類의 육상 관속 식물이 관찰되었고, 상류로 갈수록 목본 식물의 출현이 증가하여 자연 식생과 유사하였으며 하류로 갈수록 귀화 식물이나 노변식물(Ruderal plant)의 출현이 증가하였다. 7科 13屬 14種이 출현한 귀화 식물로 본 한천의 都市化指數(UI)는 6.6%로서 아직 인간에 의한 간섭 정도가 낮음을 의미하였다. 수생 식물은 2科 3屬 4種이 기록되었고 주로 하류 지역에서 발견되어 아직 수질의 오염 정도도 낮은 것으로 나타났다. For the detailed description on the early stage of Han-stream resting years, terrestrial and freshwater flora along 15 km upper stream was investigated. 66 families, 160 genera, 193 species, 30 varieties and 1 subspecies, as a whole 225 sorts of terrestrial tracheophytes were observed in this valley and distributed more woody plants upwardly, more neophytes and ruderal plants downwards. Neophytes of 7 families, 13 genera, 14 species indicated 6.6% of Urbanization Index and shows low human interruption. 2 families, 3 genera, 4 species of observed hydrophytes in the downstream indicated also low water pollution.

저체중 또는 과체중 청소년에서 캠프 프로그램을 이용한 영양 교육효과에 관한 연구

성미경,승정자,류화춘,박재년,박동연,최미경,조경옥,최선혜,이윤신,김유경,이은주 대한지역사회영양학회 2003 대한지역사회영양학회지 Vol.8 No.4

This study was performed to evaluate the effectiveness of a nutrition education program developed for nutritionally imbalanced adolescents. A summer nutrition camp was held for 23 overweight and 16 underweight subjects. Its effectiveness with regard to was evaluated at the end of the camp and 6 months later. Nutrition knowledge, nutritional attitude, food behavior, nutrient intake, exercise habit and ideal body figures desired by the subjects. The results showed significantly higher nutrition knowledge scores at the end of the camp as compared to those obtained prior to the camp program, and these scores were maintained for at least six months. Nutrition attitude scores also improved after the education program, and these improved scores also lasted for 6 months. However, the food behavior scores measured 6 months after the education program were not significantly different from those obtained prior to the camp. Also, the exercise habit, the ideal body figures and the body figures desired by the subjects remained unchanged. When nutrient intakes of subjects were assessed before the program and 6 months later, the mean daily vitamin C intake was significantly increased after the education program. Also, the intake of iron from plant food sources increased in the overweight subjects, while less iron from animal source were consumed by the underweight subjects. Both groups tended to consume more vegetables and fruits 6 months after the education program which may have contribute to the higher vitamin C and plant-based iron intakes. These results indicate that a 4-day nutrition education camp program sustained changes in nutrition knowledge and nutrition attitude for 6 months. The increased intake of vegetables and fruits was also achieved through this education program. However, changes in dietary behavior in adolescents may require repeated education.

토지감정평가를 위한 GIS 공간분석 활용에 관한 연구

성춘자,박재국 남서울대학교 2005 남서울대학교 논문집 Vol.11 No.2

The use of GIS function in appraisal value of land generates value appraisal factor and spatial analysis. With it, we can expect the following benefits during the appraisal value of land task. First, through the GIS information collection, generation, and transformation function, it allows us to acquire the various appraisal factor for appraisal value of land and minimize the field data collection. Second, it allows us to explore the plural utilization of appraisal value of land through the evaluation of land location and spatial relation. Even the GIS spatial analysis application is an early phase among the appraisal task, it is expected that it will contribute greatly to the land appraisal task information activities and effectiveness acquisition

아로마 요법이 신생아의 스트레스 호르몬에 미치는 영향

김재철,천성희,변상현 충남대학교 의과대학 의학연구소 2003 충남의대잡지 Vol.30 No.1

Aromatherapy, one of complementary medicine was known that specific essential oil extracted from plants affect emotion and physiology of human by transmission of smell signal from olfactory cells to limbic system of brain. This study was intended to reveal the effect of aromatherapy by comparison of stress hormone and vital sign between the aromatherapy group and the control group. From June, 2001 to August, 2002, the aromatherapy group(n=12) and the control group (n=13) were selected randomly in NICU, Chungnam National University Hospital. We applied aromatherapy to the aromatherapy group 3 times every 20 minutes for 7 days and 24 hours urine collection for free cortisol and epinephrine was performed day 0(before initial aromatherapy) and day 7(after the last aromatherapy). After aromatherapy, no difference of change of vital sign was noted in aromatherapy group. Epinephrine concentration after aromatherapy decreased from 1.28±1.13μg/d to 0.84±0.58μg/d(p-value<0.05). Free cortisol concentration after aromatherapy decreased from 4.74±3.99μg/d to 1.60±0.84μg/d.(p-value<0.05). At birth, there was a marked increase in plasma stress hormone and after birth, stress hormone of neonate except acute or chronic ill baby decrease gradually. But in aromatherpy group, neonatal stress hormone decreased faster than nonaromatherapy group.

建築企劃段階에서 經濟的 妥當性 分析을 위한 기초적 연구 : 建築의 Cost-Benefit Analysis 적용을 중심으로 Focused on Cost-Analysis in Architecture

오승준,전재열 단국대학교 1999 산업기술연구 Vol.1 No.-

C/B analysis technical begins with a balance ; a simple definition induced from the benefit result form construction unit price and rental income. The project is feasible if the estimated benefit exceeds the investment cost. We can see from this thesis that the cost can be redefined as project budget, on the other hand, benefit can be started as an investment value or a present value. Especially architects and developers must be aware that a raise in or a reduction of the budget are not adequate answers for the success of the most effective and rational project modification. In this thesis, I logically try to solve the analysis technique by use of more complicated elements, data, and clarify the relations between cost and benefit. However, I think a profound factor analysis must be followed.

흰쥐 내측 전정신경핵 뉴론의 자발적 활동성의 발생에 관여하는 이온전류에 관한 연구

이형재,최정희,천상우 원광대학교 치의학연구소 2003 圓光齒醫學 Vol.12 No.2

Medial vestibular nucleus (MVN) neurons are found to have spontaneous electrical activity in the absence of any detectable synaptic input. To investigate the contributions of intrinsic mechanisms to the spontaneous activity of MVN neurons, we examined the effects of various channel blockers on spontaneous firing by means of patch clamp recordings. Coronal slice (400 ㎛) of the vestibular nucleus region was sequentially treated with pronase 0.2 ㎎/㎖ and thermolysin 0.2 ㎎/㎖, then single neurons were mechanically dissociated. Almost all the MVN neurons recorded in neonatal rat were shown to have spontaneous resting activity. In 300 nM TTX, spontaneous firing was blocked in all cells tested. In 8 of 11 cells, underlying fluctuation or oscillations in membrane potential was not remained, and hyperpolarization did not produce rebound low-threshold calcium spikes. Although MVN neurons possessed hyperpolarization activated cation current (Ih), cesium had no effect on firing rates. The spike afterhyperpolarization (AHP) is calcium dependent. When Ca^2+ influx was blocked in external Ca^2+ free solution, repetitive firing was abolished and the cell rested at depolarized membrane potentials. Application of apamin (300 nM) caused a profound reduction in the amplitude of the AHP and produced rhythmic burst firing. These findings suggest that the spontaneous activities of MVN neurons is regulated by interactions between the membrane depolarization mainly due to a persistent sodium conductances and hyperpolarization due to the calcium-activated potassium conductances.