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처음 발견된 고혈압 환자들의 관리의도와 실천에 영향을 미치는 요인
전소연,주성민,이석구 충남대학교 의학연구소 2001 충남의대잡지 Vol.28 No.2
This study will provide early effective intervention strategy through a predicting behavioral intention or behaviors of hypertension patients, and improve the compliance via early removal of barriers. Study subjects are new case of hypertension with above stage 2 by JNC-Ⅵ from first community survey including blood pressure measurement, sociodemographic questionnaires and physical examination in study region. Second survey was applied to the new case of hypertension(541 persons) for estimation of behavioral intention. Subject of this survey was 383 persons. Follow-up survey performed about 5 months later after regular telephone visiting by trained nurse previously. Final study subjects were 222 persons with above stage 2 hypertension by JNC-Ⅵ criteria. This results were as follows ; 1. State of hypertension management 18.9% of subjects managed with drug medication, 19.7% with exercise, 29.8% with quitting or reducing of smoking, 37.0% with quitting or reducing of alcohol. 2. Sociodemographic factors Drug medication was higher in old age, lower education level, and rural residents. Its difference is statistically significant. In gender difference, female was higher than male. In aspect of life style modification management, exercise rate was higher in male, high educational level, 5th and 4th decade age group, but it was not statistically significant. Reducing or quitting of smoking was higher in male, rural area residents, above high school educational level, but was not significant with the exception of habitation area. 3. Life style modification It was revealed statistically significant that male and rural area residents were higher in life style modification. In education level, contrary to the intention for life style modification, the lower education level is, the higher life style modification occurs. 4. Factors associated with intention The former or abstinence smoker and alcohol drinker revealed higher intention score than current in intention for life style modification. And the other variables were not statistically significant.
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고혈압백서 대동맥에서 Ca에 의한 수축에 미치는 Na/Ca교환기전의 영향
전병화,김국성,박경숙,김주석,김세훈,장석종 충남대학교 의과대학 지역사회의학연구소 1999 충남의대잡지 Vol.26 No.1
We investigated the contraction by sodium-calcium(Na-Ca) exchanges in the aortic strips of spontaneously hypertensive rats(SHR) and Wistar-Kyoto (WKY) rats. Resting tension of aortic strips in SHR was decreased by the removal of extracellular Ca and those were recovered by the addition of Ca. However, resting tone of aortic strips in WKY was not changed by Ca removal or Ca addition. Ca-induced contraction after exposure to Ca-free solution was suppressed by verapamil 10^-6M to 90% or more. In the presence of verapamil 10^-5M, phentolamine 10^-6M, caffeine 5mM and atropine 10^-6M, the reduction of extracellular sodium concentration([Na]o) from normal(158 mM) to 0 mM(replaced by choline chloride) caused the contraction(Ca entry by Na-Ca exchange). The amplitude of contraction was more greater in SHR than in WKY rats. In the presence of verapamil 10^-5M, phentolamine 10^-6M, caffeine 5mM and atropine 10^-6M, aortic strips were not contracted by Naand Ca-free solution, but was contracted by the addition of Ca. In the presence of verapamil 10^-5M and phentolamine 10^-6M and ouabain 10^-5M, Ca did not induce contraction after exposure to Ca-free Tyrode ' s solution, but in the presence of verapamil 10^-5M and phentolamine 10^-6M and monensin 10^-5M a sodium ionophore, Ca induced a little contraction in the aortic strips of SHR. These observations suggest that Na-Ca exchange does not contribute the development of Ca-induced contraction after exposure to Ca-free Tyrode ' s Solution in the presence of normal extracellular Na concentration. However, Na/Ca exchange in vascular smooth muscle is increased in SHR and may be involved in the mechanism for hypertension in SHR.
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한국어판 예일 틱 증상 평가척도 : 신뢰도 및 타당도 연구
정선주,이정섭,유태익,구영진,전성일,김봉석,홍강의 大韓神經精神醫學會 1998 신경정신의학 Vol.37 No.5
목 적 : 틱 증상의 심한 정도를 평가하기 위한 도구인 예일 틱 증상 평가척도(Yale Global Tic Severity Scale)를 한국판 가정 평가용 설문지 및 임상 평가용 척도로 개발하기 위하여 본 연구를 시행하였다. 방 법 : 예일 틱 증상 평가척도는 뚜렛 장애 및 기타 틱 장애에서 나타나는 운동틱과 음성틱 각각의 증상의 수, 빈도, 심한 정도, 복합성, 방해 정도 및 장해도를 포괄적으로 평가하도록 고안되어져 있다. 틱 증상을 주소로 정신과외래를 방문한 만 4.3세에서 19세까지의 100명의 환아 및 부모들을 대상으로 한국어로 번역한 예일 틱 증상 평가척도의 가정평가용 설문지를 평가전에 완료하도록 한 후, 면담을 통한 임상평가용 척도를 실시하였으며 수렴타당도 및 변별타당도의 검증을 위해 총괄적인 임상 인상척도-뚜렛 증후군, 강박장애, 주의력결립/과잉운동장애(Clinical Global Impression-TS, OCD, ADHD)를 시행하였다. 결 과 : 자료분석결과 내적일치도, 수렴타당도, 변별타당도 및 검사자간 신뢰도 모두 매우 높게 나타났으며 요인분석상 전 항목척도와 장해도는 운동틱과 음성틱에 해당하는 2개의 요인으로 묶여졌다. 결 론 : 본 연구결과 한국판 예일 틱 증상 평가척도의 높은 타당도 및 신뢰도가 입증되었으며 이는 향후 틱 증상의 객관적인 평가 및 정량화를 위해 유용하게 사용되어질 수 있을 것이다. Objectives : This study was carried out to develop the Korean form of Yale Global Tic Severity Scale(YGTSS)-family & clinical rating version. The severity of motor and phonic tics was rated according to five separate dimensions : number, frequency, intensity, complexity, and interference. Methods : The Korean form of YGTSS was applied to 100 children who visited psychiatric outpatient clinic with chief complaints of tic symptom. Together with YGTSS, Clinical Global Impression for Tourette's syndrome(CGI-TS), Obsessive-Compulsive disorder(CGI-OCD), Attention-Deficit/Hyperactivity Disorder(CGI-ADHD) were administered to all subjects for examining convergent and discriminant validities. Results : We could confirm high internal consistency, convergent and discriminant validities and interrater reliability of YGTSS by analysing data from 100 children with tic disorder. In factor analysis, items were clustered to 2 factors which were identical to motor and phonic tic subscales. Conclusion : The results of this study indicate the Korean form of YGSS is a reliable and valid rating scale for rating tic symptom severity. It can be used to evaluate tic symptom objectively and to quantify the tic severity in the studies for tic disorder.
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李命器,全哲,吳正壽,金成柱 圓光大學校大學院 1987 論文集 Vol.1 No.-
1. The tree grown in the university forest consisted of 54 families, 69 genera, 167 species, 15 varieties, 2 forma, so that the totaling were 185 taxa. 2. At a height of 500 meters over, the forest mostly consisted of Quercus variabilis forest. 3. We need to collect cork from Quercus variabilis growned massively and have enlarged artificial reproduction than now. 4. Cryptomeria japonica forest area that artificially reproducted at 11 block is a model managed forest. 5. According to the results, because the species defined the temperate zone, it is not suitable for the practice of students. Therefore, we need the positive act of university so that the forest species obtain the other forest zone.
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김영유,전종현,류성주,이영섭,이기원,최봉수 대전산업대학교 반도체기술연구소 2000 半導體技術硏究所報 Vol.2 No.-
단결정규소 웨이퍼를 15% HF에탄올 용액에서 양극 산화시켜 다공질규소를 얻는 과정에서 전류밀도와 에칭시간에 따라 굴절률이 주기적으로 변하는 다충의 다공질규소층(porous silicon multilayers)을 구현하였다. 그리고 다층의 다공질규소층(Ⅰ) 다공질규소 발광충, 또 다른 다층의 다공질규소층(Ⅱ)의 순으로 구성된 porous silicon microcavity(PSM)를 제작하고 그 물성을 조사하였다. PSM 상하에 위치한 다층의 다공질규소층의 단면을 AFM(Atomic Force Microscope)으로 조사한 결과 고굴절률과 저굴절률이 주기적으로 교차하는 층이 균일하게 형성되었으며, 중앙의 다공질규소 발광층도 균일하게 나타났다. 다층의 다공질규소층 및 다공질규소 발광층의 두께를 각각 실호파장의 1/4배 및 2배가 되도록 하였을 때 특정파장의 필터로 쓰일 수 있는 브래그 반사경(Brag reflector)의 특성이 나타났다. 또한 PSM의 발광 스펙트럼은 그 반치폭이 현저히 감소하고 발광의 세기가 크게 증가되는 경향을 보였다. By periodically varying the current density and etching time during anodic oxidation of crystalline silicon wafers in 15% HF-ethanol solution, we obtained porous silicon multilayers which have periodically varying refractive index. We fabricated the porous silicon microcavity (PSM) which consist of porous silicon multilayers(Ⅰ), active layer of porous silicon, and porous silicon multilayers(Ⅱ) and investigated its physical properties. The AFM (Atomic Force Microscope) measurement from the cross section of multilayers (Ⅰ and Ⅱ) shows uniformity of high refractive index and low index layers as well as the active layer. We observed the characteristics of Bragg reflector when the thickness of layers was 1/4 and the thickness of active layer was twice of the effective wavelength, which can be used as a filter for specific wavelength. We found the emission characteristic from the PSM, which FWHM (full width half maximum) was considerably decreased and emission intensity was increased.
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임의의 각을 갖는 스트립 線路의 BEND 不連續 特性에 관한 연구
양승인,윤의중,전주성 崇實大學校 1988 論文集 Vol.18 No.-
The purpose of this study is to evaluate the discontinuity effects of the bend. The scattering parameters are compared at various frequencies to study bend discontinuity effects of the stripline with arbitrary bending angle. These results may be useful in the computer-aided design of microwave integrated circuits.
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Jeon, Eun-Kyoung,Seo, Hyunsang,Ahn, Chi Won,Seong, Hankyu,Choi, Heon Jin,Kim, Ju-Jin,Kong, Ki-jeong,Buh, Gyoungho,Chang, Hyunju,Lee, Jeong-O IOP Pub 2009 Nanotechnology Vol.20 No.11
<P>We have fabricated Si<SUB>1−<I>x</I></SUB>Ge<SUB><I>x</I></SUB> alloy nanowire devices with Ni and Ni/Au electrodes. The electrical transport characteristics of the alloy nanowires depended strongly on the annealing temperature and contact metals. Ni/Au-contacted devices annealed at 400 °C showed p-type transistor behavior as well as a resistance switching effect, while no switching was observed from Ni-contacted alloy nanowire devices. To identify the origin of such a hysteretic resistance switching effect, we constructed nanowire devices on a 40 nm Si<SUB>3</SUB>N<SUB>4</SUB> membrane. Transmission electron microscopy analysis combined with electrical transport measurements revealed that devices contacted with Ni/Au, and thereby showing resistance switching, have Au atoms right next to the alloy nanowire. </P>
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