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李正均,李炳春 忠州大學校 1968 한국교통대학교 논문집 Vol.2 No.-
鹽酸으로 溶解시킨 Dolomite 試料를 6N 鹽酸을 飽和시킨 Butanol 과 Methanol, 濃窒酸 및 濃窒酸8:1:1 로 混合한 展開溶媒를 使用하여 二次元法으로 展開시켜서 完全히 分離하였다. For the complete separation of various ion in dolomite which was dissolved in hydrochloric acid, we used butanol saturated with 6N hydrochloric acid and metanol, conc hydrochloric acid and cnne. nitric acid mixture (8:1:1) as solvents by 2-dimensional paper chromatography
閔秉根,金憲秀 大韓神經精神醫學會 1992 신경정신의학 Vol.31 No.3
The present study was intended to examine the relationship between adolescent's sexual violence and its structural, demographic and psychological variables of the family and to establish basic guideline data for preventing adolescent from conducting juvenile sex crimes. Data were collected through questionnaire survey and direct interview. Subjects served for this study consisted of 2,197 adolescents, including 48 juvenile sex offenders, 709 other misbehavioral delinquents and 1,440 adolescent students in Korea, sample from Korean student population and adolescent delinquent population confined in juvenile correctional institutions, using random sampling method. Their age ranged between 12 and 21. The actual number of cases put into the analyses was 1,893 including 489 delinquents and 1,404 adolescent students. Data were analysed by CDC-174 computer of KAIST, using SPSS program. Statistical method employed were Chi-square test. The results of this study were as follows : 1) Of the 757 delinquents, 48 were cases of sexual violence(rape). Their family structures such as family size and type tended to have significant relationship with juvenile sex violences and other misbehaviors. That is, the extended family type with more than 9 family members including grandparent, parent and siblings was significantly related to juvenile sex crimes, whereas other misbehavioral delinquency was significantly related to the nuclear family type of within 3 family members including parent and himself. 2) In both violent sex delinquents and other misbehavioral delinquents had experienced frequent separation with their parents. their self-reported reasons for separation with their parents were “their own runaway”. “poor socio-economic status of family” and “parental divorce or separation” etc., in the order named. 3) Of all the factors affecting trends in juvenile violent sex behaviors and other misbehaviors, the structural and demographic variables of family including adolescent's ages, religious background, their educational level, and parental ages and education levels seem to exert the greater influence. In the case of sexual delinquents, they had experienced violent sex crimes between 14 and 19 of age(from 2nd grade of middle school to 2nd grade of high school), at the peak age of 13 to 14, while other hand, juvenile violent sex behaviors were significantly associated with their own and parental belief of the Oriental religion, the lower educational level of parents, and the younger age (below 39) or the older ae(over 50) of parents. But other misbehavioral delinquents and their parents seem to believe the Occidental religion. Their parental education level also was lower(graduation from middle school). The age of other delinquent's parent was ranged between 40 and 49. 4) Compared to the respondents involved juvenile sex crimes and other juvenile offends, more parents were clerical or skilled laborers(paternal : 54.2 vs. 48.6 percents ; maternal : 37.5 vs. 28.1 percents). Most parents were dissatisfied with their job situation. the 1st rank order of parental birth was significantly correlated to their children's sex violent behaviors. 5) There was the tendency for the defective parental child-rearing patterns to exert the great influence upon juvenile sex crimes and/or other misbehaviors. The more were maternal attitudes punishment-oriented constrict disciplined, restricted and conservative toward their children, the higher occurred their children's sex violent behaviors. On the other hand, the more were paternal attitudes self-centered restrictedly ruled, and punishment-oriented toward their children, the higher occurred their children's other misbehaviors. 6) The parent's marital bond and the psychological climate of family presented the significant relationship with juvenile sex criminal behaviors and other misbehaviors. Marital bond of dominant mother-weak father and parental overprotection was significantly correlated to juvenile sex crimes. Maternal indifference toward their children due to being busy working and paternal weakness exerted strong influence on their children's sex violent behaviors. Therefore, childrens tended to avoid to closely contact with their parents, and to be dissatisfied with undesirable family environment with uncooperative interaction among family members. On the other hand, in the case of other misbehavioral delinquents, their parent's marital bond was more marital skew. Therefore their misbehaviors were significantly correlated to parental overrejection and alienated parent-child relationship.
Si Bulk Micromachining을 위한 Wafer Rolling Etching 및 그 특성
김건년,이보나,박효덕,신상모,공경준,장동근,김병철,권혁채,이봉희 경북대학교 센서기술연구소 1998 센서技術學術大會論文集 Vol.9 No.1
A wafer rolling etching system for the silicon bulk micromachining has been designed and fabricated. The silicon diaphragms were anisotropically etched in a 24.5 weight percent KOH solution. Compared to the conventional KOH etching systems, pyramidal hillocks, and wave-shaped structures on the etched surfaces were greatly reduced by using this system. After etching for time of 438 minutes, the average etched depth and the etch-rate were measured to be 537μm and 1.22μm/min, respectively. The average etching uniformity of etching depth was 0.87% in 5-inch wafer. Our results showed that the wafer rolling method enhanced etch uniformity and etch rate.
박건병 公州大學校 産業開發硏究所 1994 産業開發硏究 Vol.2 No.-
A kind of polo which has been as one of korean folk sports popular through the era of the Three states and the Chosun dynasty. It has been changed with the times and completely washed away with the spread of Western sports. This paper is to examine it (a kind of polo) from the historical perspective at the point of time when our traditional culture has to be preserved and enhanced.