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서울의 Penicillinase Producing Neisseria Gonorrhoeae 발생빈도(1994)
김재홍,안진균,정성재,김영태,김중환,김시영,이석종,이홍렬,서호석,김경훈,권혁진,정우권,고우석,이용석,안필수,오준규,오용섭 대한화학요법학회 1996 대한화학요법학회지 Vol.14 No.1
Background : In recent years gonorrhoea has been panendemic and remains one of the most common Sexually Transmitted Diseases in the world, especially in developing countries. Objective & Method : For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria Gonorrhoeae(PPNG), Ive 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 1994, 168 strains of N. gonorrhoeae were isolated, among which 109 (64,9% ) were PPNG. Conclustion : Our results suggests that the prevalence of PPNG in Seoul is still increasing.
헤어리베치 신품종 조생종 콜드그린과 중만생종 청파의 생육특성 및 수량성
신정남(Chung Nam Shin),고기환(Ki Hwan Ko),김종탁(Jong Tak Kim),이종경(Joung Kyong Lee),서성(Sung Seo),성병렬(Byung Ryul Seong),최기준(Gi Jun Choi),김종덕(Jong Duk Kim),오명곤(Myung Gon Oh) 한국초지조사료학회 2007 한국초지조사료학회지 Vol.27 No.4
본 시험의 목적은 대구 경북에 자생하는 헤어리베치로 다수성 조생품종과 중만생품종을 개발하기 위하여 수행하였다. 경북 성주와 경남 사천에서 1998년부터 2006년까지 자료수집 및 순화, 생육이 왕성한 조생 및 중만생계통선발, 상호교잡의 단순순환선발법으로 조생종인 콜드그린과 중만생종인 청파를 육성하였다. 육성종자는 2004년부터 2006년까지 경북성주와 경남사천에서 생육특성과 수량을 평가하였다. 줄기의 털은 콜드그린과 청파는 있었으나, 헤이메이커프러스와 라티고는 없었다. 잎의 모양은 콜드그린은 엽폭이 넓은 장타원형이고, 청파, 헤이메이커프러스, 라티고는 좁은 장타원형이었다. 꽃색은 콜드그린은 자주색이고 청파는 보라색이었다. 내한성은 성주에서 콜드그린, 청파, 라티고가 헤이메이커프러스 보다 높았으며 사천에서는 차이가 적었다. 개화기는 콜드그린과 헤이메이커프러스가 조생종으로 유사했고 중만생종인 청파는 라티고 보다 다소 빨랐다. 성주에서 건물수량은 콜드그린이 다른 품종 보다 높았으며 청파와 헤이메이커프러스는 라티고 보다 높았다(P<0.05). 2005년 사천에서는 콜드그린과 헤이메이커프러스는 다른 품종보다 높았으며, 청파는 라티고 보다 높았다(P<0.05). 베치의 조단백질 함량은 높고 ADF의 함량은 낮았다. The objective of this research was to develop a high yielding, early and medium-late flowering new hairy vetch(Vicia villosa Roth) varieties derived from an accession in Korea. Most vigorous early and medium-late flowering hairy vetch lines were selected and crossed by open pollination and their seeds were bulked and plants were reselected at Seongju in the Keongbuk and at Sacheon in the Keongnam. A performance trial was conducted to evaluate agronomic characteristics, forage quality and dry matter(DM) yield of new hairy vetch early-maturing 'Cold green' and medium-late maturing variety 'Cheong pa' at Seongju and Sacheon. 'Cold green' and 'Cheong pa' are hair but 'Haymaker plus' and 'Latigo' are nearly hairless. 'Cold green' has purple flowers while 'Cheong pa' has violet. The cold tolerance of 'Cold green,' 'Cheong pa' and 'Latigo' was higher than 'Haymaker plus' at Seong-ju, Keongbuk province, in inland region but there were a little differences at Sacheon, Keongnam province in southern coast region. Fifty percent-flowering dates of 'Cold green' and 'Haymaker plus' had earlier than others and 'Cheong pa' was earlier than 'Latigo'. The DM yield of 'Cold green' was higher than that of others, but 'Cheong pa' and 'Haymaker plus' had higher than 'Latigo' at Seong-ju(P<0.05). In Sacheon, The DM yield of 'Cold green' and 'Haymaker plus' was higher than others and 'Cheong pa' had higher than 'Latigo'.
김원률,이권익,홍성욱,김흥수 濟州大學校 産業技術硏究所 2000 산업기술연구소논문집 Vol.11 No.1
In this paper. the rectangular dielectric resonant antenna(DRA) in the microstrip slot feed line is analyzed. Microstrip slot feed line parameters are calculated and then the microstrip slot feed line is designed by using the parameters. Also the rectangular DRA having a value of ε_(r) , = 37.84 is invented for the transmission frequency bandwidth in the range of 2.37GHz to 2.40GHz for WLL(Wire1ess Local Loop) base station. The result showed that the return loss was about -42dB and that radiation pattern was simular to magnetic dipole's. The resonant frequency of simulation result of rectangular DRA which was designed with the value of ε_(r)=37.84 was obtained an error of less than 3 percent in comparison with the theoretical resonant frequency.
김원률,이권익,홍성욱,김홍수 제주대학교 산업기술연구소 2000 尖端技術硏究所論文集 Vol.11 No.1
In this paper, the rectangular dielectric resonant antenna(DRA) in the microstrip slot feed line is analyzed. Microstrip slot feed line parameters are calculated and then the microstrip slot feed line is designed by using the parameters. Also the rectangular DRA having a value of εr=37.84 is invented for the transmission frequency bandwidth in the range of 2.37GHz to 2.40GHz for WLL(Wireless Local Loop) base station. The result showed that the return loss was about -42dB and that radiation pattern was simular to magnetic dipole's. The resonant frequency of simulation result of rectangular DRA which was designed with the value of εr = 37.84 was obtained an error of less than 3 percent in comparison with the theoretical resonant frequency.
5.8GHz ISM 대역용 구형 유전체 공진 안테나 설계
김원률,이권익,홍성욱,김흥수 濟州大學校 産業技術硏究所 2001 산업기술연구소논문집 Vol.12 No.1
In this paper. the rectangular dielectric resonant antenna(DRA) in the microstrip feed line is designed for 5GHz band wireless LAN and ITS DSRC. Finite-difference time-domain(FDTD) method is employed to analyze the rectangular DRA. The return loss and resonant frequency are reported when the stub length of feedline. center position of DRA at λ/2 feed line and ε_(r) , of DRA are changed. Also DRA in the microstrip feed line compared to DRA in the microstrip slot feed line. The result showed that DRA in the microstrip feed line is better than DRA in the microstrip slot feed line in the bandwidth and return loss.
김효진,이준영,정희연,나덕렬,조성진,조맹제,장성만 大韓神經精神醫學會 2007 신경정신의학 Vol.46 No.4
The aims of this study are to demonstrate the reliability and the validity of the Korean version of Behavioral Dyscontrol Scale (BDS-K.) and to present the normative values of BDS-K among the Korean elderly. The BDS-K was administered in a standardized manner to 1,389 healthy volunteers aged over 65 years recruited from the cornmunity. The elderly with serious neurological, medical or psychiatric disorders were excluded using screening tests. BDS-K showed good intemal consistency (Cronbach's alpha=0.812), test-retest reliability (r=0.88) and inter-rater reliability (r=0.99). Age and educational level were found to affect BDS-K score. Based on this result, normative values of BDS-K. were calculated by age and educational level. The validity of the BDS-K were demonstrated in comparison with MMSE-KC (r=0.72). BDS-K is reliable and valid instrument for measuring executive function of the elderly. The normative values suggested by this study can be widely used as reference values to objectively interpret BDS-K scores of the Korean elderly.
5.8GHz ISM 대역용 구형 유전체 공진 안테나 설계
김원률,이권익,홍성욱,김홍수 제주대학교 산업기술연구소 2001 尖端技術硏究所論文集 Vol.12 No.1
In this paper, the rectangular dielectric resonant antenna(DRA) in the microstrip feed line is designed for 5GHz band wireless LAN and ITS DSRC. Finite-difference time-domain(FDTD) method is employed to analyze the rectangular DRA. The return loss and resonant frequency are reported when the stub length of feedline, center position of DRA at λ/2 feed line and εr of DRA are changed. Also DRA in the microstrip feed line compared to DRA in the microstrip slot feed line. The result showed that DRA in the microstrip feed line is better than DRA in the microstrip slot feed line in the bandwidth and return loss.
TFELD 절연층을 위해 ITO glass위에 증착된 (Ba_(0.5),Sr_(0.5))TiO₃박막의 특성
김정환,배승춘,권성렬,정훈,박진우,김기완 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
We have studied that dielectric and electrical properties of (Ba_(0.5),Sr_(0.5))TiO_(3) thin films deposited on Indium Tin Oxide-coated glass substrate by using rf-magnetron sputtering method in this paper. Substrates were heated at room, 300℃ , 400℃, and 500℃. Working pressure was changed 5mTorr, 10mTorr, 20mTorr, 30mTorr respectively substrates temperature, and Ar:O_(2), ratio was fixed 9:1. SEM analysis was conducted to investigate thickness of BST thin films. Dielectric constant, current-voltage(I-V), and transmittance were measured. We observed difference of that thickness, dielectric constant, current-voltage(I-V), and transmittance due to variable substrates temperature and working pressure. We also obtained best conditions at 400℃, 30mTorr. Dielectric constant was 209.1 at 1kHz, leakage current density was below 7.35X10^(-7)A/cm^(2) at 100V, and transmittance was over 91%.