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제작방법에 따른 전력케이블용 폴리에틸렌 박막의 전기전도특성
조경순,이용우,이수원,홍진웅 한국전기전자재료학회 1997 電氣電子材料學會誌 Vol.10 No.5
In order to investigate the electrical conduction properties of polyethylene thin film for power cable with manufacturing methods, the thickness of specimen was the 30, 100[${\mu}{\textrm}{m}$] of LDPE and 200[${\mu}{\textrm}{m}$] of XLPE were manufactured. The experimental condition for conduction properties was measured until the breakdown occurs at temperature ranges from 30 to 110[$^{\circ}C$] and the electric field from 1$\times$10$^3$to 5$\times$10$^{6}$ [V/cm]. As for increase of temperature, the current density of LDPE was increased with constant ratio in low field, but changes with exponential function in high electric field. The tunnel current of pre-breakdown region is shifted toward low field as much as thermal excitation energy. At low electric field, the XLPE showed dominant electrical conduction properties by thermal excitation, and transformation of the electron was resisted by the crystal at high electric field.
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일 대학 여대생의 월경전기 증후군과 자동적 사고, 완벽성과의 관계
조경순 성인간호학회 2002 성인간호학회지 Vol.14 No.1
Purpose: The purpose of this study was to describe the premenstrual syndrome and the relationships among premenstrual syndrome, automatic thought, and perfectionism. Methods: The 164 subjects were selected from a nursing college in Tae-Jeon. The data were collected using the PAF, ATQ-N, and MPS from April 10th May 10th, 2001. Results: The results of this study were as follows: 1. There was no significant difference in premenstrual syndrome due to menarche, duration of menstruation, and menstrual cycle, but significant difference in premenstrual syndrome due to amount of menstruation and regularity of menstrual cycle. 2. The subjects experienced mild premenstrual syndrome. The severe premenstrual syndromes above the mean were who subjects reported general physical discomfort, fatigue, low mood and loss of pleasure, lability and atypical depressive features, et. al., and those below the mean experienced hostility/anger, increased well-being, miscellaneous mood/ behavior change, impulsive syndrome and miscellaneous physical changes, et. al. 3. The score of mean premenstrual syndrome was 236.55, that of automatic thought was 31.41 and that of perfectionism was 185.97. The premenstrual syndrome score was similar to those of other studies and subjects had low automatic thought and moderate perfectionism. 4. There were significant correlations among premenstrual syndrome, automatic thought, and perfectionism (P<.001). 5. Automatic thought and perfectionism accounted for 17 percent of premenstrual syndrome. Conclusions: For future research, it was recommended that the study to identify major factors affecting premenstrual syndrome and the relationships between them with various subjects should be done and effective nursing intervention for premenstrual syndrome should be developed.
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김낙현,조경순 한국외국어대학교 외국학종합연구센터 부설 기초과학연구소 1996 기초과학연구 Vol.4 No.-
반도체 공정의 미세화에 따른 배선 폭의 감소는 단위 길이 당 저항 성분의 증가를 가져오므로 ASIC 내의 배선에 대한 지연 시간의 비중이 상대적으로 커지게 되어 이에 대한 정확한 분석이 매우 중요하다. 본 논문은 ASIC의 지연 시간을 정확하게 분석하기 위하여 삼성 전자(주)사의 위탁 과제로서 개발된 CAD software SAINT에 구현된 배선 회로 해석 기능을 기술하고 있다. 기본 algorithm으로 채택된 AWE는 배선에 분포되어 있는 저항(R), capacitance(C), inductance(L) 성분으로 형성되는 선형 RCL회로에 대하여 정확한 응답을 구하는 대신 주어진 초기 조건으로부터 low-order q-pole model에 대한 응답을 근사적으로 구하므로써 계산상의 효율성을 추구하는 새로운 접근 방법이다. SAINT는 정확한 응답을 제공하는 대표적인 circuit simulator인 SPICE와 비교 할 때, 배선의 지연 시간을 불과 수 %의 오차범위 내에서 100배 이상 빠르게 계산하는 성능을 나타내었다. As the semiconductor process technology advances, the line width of interconnect wires decreases and the corresponding resistances distributed in the wires increase. This causes The Interconnect delay In an ASIC to become a significant portion of the total delay and requires more accurate analysis. This paper describes the methodology of analyzing interconnect circuits implemented in SAINT, based on Asymptotic Waveform Evaluation(AWE) algorithm. AWE algorithm approximates the response of the RCL circuits extracted from interconnect wires by matching the initial conditions and the first 2q-1 moments of the actual responses to a lower order q-pole model. For most cases, SAINT runs more than l00 times faster within a few percent of error, compared to circuit simulators such as SPICE.
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재가노인들의 무력감, 자아존중감 및 가족지지와의 관계요구
김순이,이강이,조경순 성인간호학회 1999 성인간호학회지 Vol.11 No.3
This study was designed and undertaken to find out the degree of powerlessness, self-esteem and family support of elderly home residents and to determine the relationship between powerlessness, self-esteem and family support. The data were collected from October lst to 20th, 1998. The subjects in this study were 271 elderly home residents over the age 60 living in Taejon city. The study tool for measuring powerlessness was developed by S.E.Chung(1998), the other for measuring self-esteem, was a self-esteem scale developed by Rosenberg, and the tool for measuring family support was developed by Choi(1983), Cobb(1976) and Kang(1984). Data were analysed for percentage, mean, t-test, ANOVA and Peason-correlation coefficients using the SPSS program. The results of this study were as follows : 1. The degree of powerlessness, self-esteem and family support was scored avove the median. 2. The relationship between powerlessness and self-esteem revealed a no significant inverse correlation, but powerlessness and family support, showed a significant inverse correlation, and self-esteem and family support, registered a very statistically significant correlation. 3. The general characteristics showing the differences of the elderly' powerlessness were sex, one's health of state compared to other elderly' and living expense load. These yielded statistically very significant results. 4. The general characteristics showing the differences of the elderly' self-esteem were sex, state of ownership of a house, age. religion, one's health of state compared to other elderly'. Among these, sex and state of ownership of a house revealed statistically very significant differences, also age, religion and one's health of state produced statistically significant differences. 5. The general characteristics showing the differences of the elderly' family support were sex, state of ownership of a house, having some diagnosed diseases or not and one's health of state compared to other elderly' health. These also showed statistically significant differences. In conclusion, the factors influencing the elderly' powerlessness, self-esteem and family support generally were age, sex, their economic independence and health of state(which included especially having a diagnosed disease.) Also, the family support was needed to reduce their powerlessness and to have their self-esteem highly.
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