http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
조성 특성에 따른 국악음정지각 연구 - 평조와 계면조 음계의 황종-중려 음정을 중심으로 -
권오연 ( O-yeon Kwon ) 한양대학교 음악연구소 2008 音樂論壇 Vol.22 No.-
The purpose of this study was to examine the categorical perception of the Hwangjong-Jungryeo interval in the context of tonality, namely P’yongjo and K’yemyeonjo. It examined how training influenced the categorical perception of the interval within a tonal context by studying subjects who major in traditional music in comparison to non-majors (music enthusiasts). The 148 subjects consisted of 4 groups and five subgroups of people who had an average of 5.82 years of training in traditional music. The five groups were of professional Korean traditional musicians (22 members of “The Court Music Troupe” and 19 members of “The Creative Music Troupe,” totalling 41 subjects), college students majoring in Korean traditional music (53 subjects), Korean traditional music high school students (28 subjects), and people with experience in Korean traditional music (26 subjects). The scale used as stimulus in the test, produced by a Daegum tone, played an ascending melody made of 6 tones that suggest the P’yongjo scale; Hwangjong-Taeju-Jungryeo-Imjong-Namryeo-Chong hwangjong. This scale derived from the Korean traditional temperature yielded intervals of 204-318-180-204-294 cents, respectively. This P’yongjo scale was used as the standard scale while the 6 comparative scales were made by altering the fourth tone (Jungryeo) by ±30 cents. The K’yemyeonjo scale was produced by the same method, yielding a scale of Hwangjong-Taeju-Jungryeo- Imjong-Muy’ok-Chong hwangjong with intervals of 204-318-180-318-180 cents, respectively. The six comparative scales were, as in the case of P’yongjo, produced by altering the fourth tone (Jungryeo) by ±30 cents. In the listening test, subjects were asked to listen to the standard and comparative scales and determine if the melody belonged to P’yongjo or K’yemyeonjo. The result of the experiment was obtained through statistic procedures using SPSS12.0. The crux of the result was that tonality had a strong influence on the perception of the Hwangjong-Jungryeo interval. The categorical perception of this interval ranged within 30 cents for P’yongjo (the median: 512 cents) and also 30 cents for K’yemyeonjo (the median: 522 cents). However, this interval was perceived about 10 cents smaller in P’yongjo than in K’yemyeonjo. It was also shown that the differences among subject groups were influential factors to the perception of the Hwangjong-Jungryeo interval within a tonal context. Among the 5 subgroups, the high-school students subgroup showed a clear and strong categorical perception than the others within the range of 502-522 cents, therefore being closer to equal temperament. There was also not much difference between the P’yongjo scale and K’yemyeonjo scale. On the other hand, “The Court Music Troupe” and “The Creative Music Troupe” showed a clear difference between the two scales; these subgroups perceived the Hwangjong-Jungryeo interval approximately 20 cents wider in K’yemyeonjo than that of P’yongjo. At this point, the inquiry on tonality has not been clarified in theory or in practice of Korean traditional music, thus causing difficulties in designing experiments. However, this study is meaningful as it shows that Korean traditional musicians represent and perceive varying intervals under different tonal contexts, and that it outlines new possibilities in research methodologies of this field.
PCR-DGGE를 이용한 유기농 채소의 유해 미생물 신속 검지
권오연 ( Oh Yeoun Kwon ),손석민 ( Seok Min Son ) 한국산업식품공학회 2011 산업 식품공학 Vol.15 No.4
In this study the polymerase chain reaction (PCR) combined with denaturing gradient gel electrophoresis (DGGE) was evaluated as a method permitting the rapid detection of pathogens in fresh originally grown vegetables. A universal primer (341GCf/534r) was selected for its ability to amplify the V3 region of 16S-rRNA genes in their target pathogens (Salmonella typhimurium, Pseudomonas fluorescens, Bacillus cereus, Listeria monocytogenes, Staphylococcus aureus, E. coli). The 194 bp fragments in PCR were successfully duplicated as expected. The amplified fragments of the same size from six different pathogens also showed good separation upon DGGE. The detection limit of PCR-DGGE for six pathogens in fresh-cut lettuces were over 105 CFU/g when sampled by stomaching. However, when the sampling method was changed from stomaching to shaking, the detection limit of six pathogens in organic vegetables was shown to increase by over 101 CFU/g, but only those of B. cereus were over 103 CFU/g. Therefore, PCR-DGGE was shown to be a reliable method for the detection of pathogens in fresh-cut vegetables.
부모의 심리적 통제가 남녀 청소년의 우울 증상에 미치는 영향 -자기수용의 매개효과-
권오연(Kwon Ohyeon),임정하(Lim JungHa) 한국인간발달학회 2019 人間發達硏究 Vol.26 No.2
본 연구는 부모의 심리적 통제와 청소년의 우울 증상 간의 관계에서 자기수용의 매개효과를 검증하고자 수행되었다. 서울과 경기에 소재한 중․고등학교에 재학 중인 청소년 373명을 대상으로 자기보고식 설문조사를 실시하였다. 수집된 자료는 t 검증, Pearson의 적률상관분석, 구조방정식 모형, 다집단 분석을 이용해 분석하였다. 주요 연구결과는 다음과 같다. 첫째, 부모의 심리적 통제와 자기수용은 성별에 따른 차이가 없었고, 우울 증상은 여자 청소년들이 남자 청소년들보다 더 자주 경험하는 것으로 나타났다. 둘째, 아버지의 심리적 통제는 청소년의 자기수용을 통해 우울 증상에 간접적으로 영향을 미쳤고, 어머니의 심리적 통제는 청소년의 우울 증상에 직접적인 영향뿐 아니라, 자기수용을 통해 간접적으로도 영향을 미쳤다. 셋째, 자기수용의 매개효과는 청소년의 성별에 따른 차이가 없었다. 즉, 부모가 자녀를 심리적으로 통제한다면 남녀 청소년들의 자기수용에 부정적 영향을 미쳐 우울 증상을 더 자주 경험하게 하는 것을 의미한다. 이러한 연구결과는 부모가 자녀를 심리적으로 통제하지 않는 것이 청소년의 자기수용 능력을 길러주고, 우울 증상을 예방하는 데 중요하다는 점을 시사한다. The purpose of this study was to investigate the mediating effects of self-acceptance in relation to parental psychological control and adolescent depressive symptoms. A total of 373 middle or high school students in Seoul and the Gyeonggi area participated. The factors of parental psychological control, self-acceptance and depressive symptoms were assessed using the self-report questionnaire method. The data were analyzed using t-tests, Pearson s correlations, SEM(Structural Equation Modeling) and a multi-group analysis. The results were as follows. First, The average levels of parental psychological control and adolescents self-acceptance were not significantly different as a function of gender. However, the average level of depressive symptom was higher in female adolescents than in male adolescents. Second, paternal psychological control affected adolescents depressive symptoms indirectly via self-acceptance. Maternal psychological control influenced adolescents depressive symptoms both directly and indirectly via self-acceptance. The mediation model was invariant across gender. These results suggest that adolescent depressive symptoms can be lowered by reducing parental psychological control and enhancing adolescents self-acceptance.