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주민석,배준한,고태국,강연일 연세대학교 산업기술연구소 1994 논문집 Vol.26 No.1
The transient one-dimensional heat conduction equation in a high Tc bulk superconductor with an localized hot zone has been analyzed numerically. After the heater energy is introduced in a few miliseconds, the development of the normal zone and full quench time are calculated with respect to distance as a fuction of three parameters including : transport current, heater current, heating time. The analysis of this model is performed using finite difference method under modified adiabatic condition. The results of computer simulation are also presented in this paper. Full quench occurs when transport currents exceed 1.15[A] in given heater current and heating time. A temperature of superconductor rises abruptly in heating region when heater energy is increased. If heater energy is same, heating time is dominant factor for quench. Given heater energy, ohmic heat dissipation is dominant part for quench. But, heating energy is dominant part for quench than conduction. When heater energy is large, quench is not affected by transport currents.
서울지역 일부 고등학생의 아침결식여부에 따른 섭식태도와 아침 메뉴에 대한 선호도
김주연,안홍석 誠信女子大學校 生活文化硏究所 2009 生活文化硏究 Vol.24 No.1
The aim of this study is to compare the eating behaviors of high school students in relation with the habit of skipping breakfast and to understand the specific kinds of food they prefer. For this purpose, the students were asked to fill out questionnaires. The results show that the breakfast-skipping rate is high at around 40%; 122 students are in the non-breakfast-skipping group who replied they have breakfast 5 times or more in a week and 80 students are in the breakfast-skipping group who replied they have breakfast sometimes (2-4 times a week) or that they don't eat breakfast (less than once a week). The factors behind the students skipping breakfast include economic problems, bad grades, father's job, mother's job, and mother not preparing breakfast. The preferred menus for breakfast were ‘cooked rice with side dishes’, ‘toast with milk’,‘ juice, fruits, vegetable salad’in that order. As for the overall preferred menus, there were distinct differences among students preferring Korean food, Western food, and fast food, their respective preferences being‘ cooked rice with side dishes’,‘ juice, fruits, vegetable salad’, and‘ toast with milk’. This shows that breakfast menus should be developed with a consideration for the students preferences and usual eating habits rather than recommending Korean foods only.
손석한,노경선,허묘연,정현옥,이소희,김세주 大韓神經精神醫學會 2001 신경정신의학 Vol.40 No.4
연구목적 : 일반 청소년의 문제행동(내재화 문제, 외현화 문제)을 평가하고, 그들을 정상 집단과 문제행동 집단으로 나누어 집단간에 부모 각각의 양육행동이 어떠한 차이를 보이는지 알아보고자 한다. 방 법 : 서울 소재의 일반 고등학교 학생 792명을 대상으로 부모 양육행동 척도와 K-YSR을 실시하여 청소년이 지각하는 부모의 양육행동과 청소년의 문제행동을 평가하였다. 부모의 양육행동과 청소년의 문제행동과의 상관관계를 분석하였다. 학생들이 보고한 각 문제행동을 상/하위 25% tile을 기준으로 정상 집단과 문제행동 집단으로 나누어 부모의 양육행도의 차이를 분석하였다. 결 과 : 다음과 같다. 1) 부모의 애정, 합리적 설명, 감독의 긍정적인 양육행동은 대부분의 청소년 문제행동들과 유의한 부적 상관을 보였다. 반면에 학대, 과잉간섭, 과잉기대, 방임, 비일관성이 부정적인 양육행동은 문제행동들과 유의한 정적 상관이 있었다. 2)내재화 문제를 보이는 청소년들은 정상 집단에 비해 부모로부터 학대, 과잉간섭, 과잉기대, 방임, 비일관성의 양육행동을 유의하게 더 많이 받았고, 반면에 애정을 유의하게 더 적게 받았다고 지각하고 있었다. 외현화문제를 보이는 청소년들은 정상집단의 청소년들에 비해 부모로부터 학대, 과잉간섭, 과잉기대, 방임, 비일관성의 양육행동을 유의하게 더 많이 받았고, 반면에 감독을 유의하게 더 적게 받았다고 지각하고 있었다. 3) 내재화 및 외현화 문제를 모두 보이는 집단이 내재화 문제만 보이는 집단과 외현화 문제만 보이는 집단에 비해서 양쪽 부모로부터 유의하게 더 많은 과잉간섭을 받을 것으로 지각하고 있었다. 또한, 내재화-외현화 집단과 내재화 집단은 외현화 집단에 비해서 어머니로부터 유의하게 더 적은 애정과 더 많은 방임을 받고 있고, 아버지로부터 유의하게 더 많은 학대를 받은 것으로 지각하고 있었다. 결 론 : 이상의 결과로 미루어 볼 때, 청소녕이 지각한 부모의 학대, 과잉간섭, 과잉기대, 방임, 비일관성의 양육행동은 청소년의 내재화 및 외현화 문제 모두와 유의한 연관이 있고, 반면에 부모의 애정, 감독, 합리적 설명의 양육행동은 다양한 청소년기 문제행동을 줄일 수 있음을 시사하고 있다. Objectives : The purpose of this study is to evaluate the problem behaviors of adolescents and to discriminate between parenting behaviors of problem behavior groups and those of non-problem behavior group. Methods : The subjects of this study were 792 high school students in Seoul. We administered 'parenting behavior Inventory' and Korean version of Youth Self-Report(K-YSR) to the subjects in order to evaluate the parenting behaviors perceived by adolescents and the problem behaviors of adolescents. We analzed the relationship between parenting behaviors and problem behaviors. We classified the subjects into problem behavior groups(internalizing group, externalizing group, internalizing-externalizing group) and a non-problem behavior(normal) group. We studied the differences of parenting behaviors among the groups. Results : The results are as follows. 1) There were significant negative correlations between the positive parenting behaviors such as affection, reasoning, and monitoring and the problem behaviors of adolescents. By contrast, there were significant positive correlations between the negative parenting behaviors such as physical abuse, intrusiveness, over-expectation, neglect, and inconsistency and the problem behaviors of adolescents. 2) Adolescents of the internalizing group perceived significantly more parental abuse, intrusiveness, over-expectation, neglect, and inconsistency than those of normal group. Meanwhile, they perceived significantly less affection than normal adolescents. Adolescents of the externalizing group also perceived significantly more parental abuse, intrusiveness, over-expectation, neglect, and inconsistency than those of normal group. Also, they perceived significantly less monitoring than normal adolescents. 3) Adolescents of the internalizing-externalizing group perceived significantly more intrusiveness from both parents than those of either the internalizing or the externalizing groups. Adolescents of the internalizing-externalizing group perceived significantly less affection and more neglect from their mothers than those of the internalizing of the externalizing groups. In addition, adolescents of the internalizing-externalizing group perceived significantly more physical abuse from their fathers than those of the internalizing or the externalizing groups. Conclusion : Parenting behaviors such as abuse, intrusiveness, over-expectation, neglect, and inconsistency are associated with both internalizing and externalizing problems. In contrast, our results suggest that parenting behaviors such as affection, monitoring, and reasoning might decrease the various problem behaviors of adolescents.
( Yeon Jean Cho ),( Hee Suk Lee ),( Joo Myoung Kim ),( Soo Yoon Lee ),( Mi La Kim ),( Seok Joo Sung ),( Myoung Seok Han ),( Jong Woon Bae ),( Jung Woo Park ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.99 No.-
We aimed to evaluate the recurrence rate of endometriomas after a second-line conservative laparoscopic endometriotic cyst enucleation and to analyze the preoperative, intraoperative, and postoperative factors that influence the recurrence of endometriomas. One hundred and eighty three patients with endometriosis who were surgically treated by laparoscopy on 2 previous occasions were considered for inclusion in the present study between January 2000 and December 2010 at three gynecologic surgery center. The patients` characteristics and time to recurrence were recorded; time to recurrence was defined as the time in months from the second-line surgery detection of a new endometrioma. Patients were followed up for to 33.2 ± 27.7 months. According to the definition of recurrence, 20.8% of patients experienced recurrence after the second-line surgery and 13.1% underwent a third surgery. The median time to recurrence was 24 ± 3.36 months (SEM). The cumulative recurrence rates per patient at 12, 24, 36, and 60 months after the surgery were 7.7%, 13.7%, 21.3%, and 37.5%, respectively. After second- line surgery, the ipsilateral cyst, contralateral cyst, and repeated bilateral cyst recurrence rates were 17.5%, 4.7%, and 12.3%, respectively. After multivariate analysis and analysis of covariance, we noted that rAFS score and disease stage were significantly higher in patients who experienced a third recurrence of endometrioma The cumulative recurrence rate of ovarian endometrioma after the second-line surgery appeared to be dependent on the number of that had elapsed since treatment and this value increased over time. Advanced rAFS stage and score may be risk factors for a third recurrence. Physicians should account for when explaining the benefits and potential limitations of a second-line surgery for the treatment of endometriomas.
RE-17 : Recurrence of ovarian endometrioma in adolescents after conservative surgical treatment
( Yeon Jean Cho ),( Soo Yoon Lee ),( Mi La Kim ),( Joo Myoung Kim ),( Seok Joo Song ),( Jong Woon Bae ),( Jung Woo Park1,),( Hee Suk Lee ),( Myoung Seok Han1 ) 대한산부인과학회 2014 대한산부인과학회 학술대회 Vol.100 No.-
목적: To evaluate the cumulative recurrence rate of endometriomas after a laparoscopic endometriotic cyst enucleation in adolescents and to find the factors associated with recurrence. 방법: A multicenter retrospective cohort study was performed at 3 gynecologic surgery centers between January 2000 and December 2010. Patients surgically treated by laparoscopic enucleation of endometriotic cysts younger than 20 years old were selected. We excluded patients who had reproductive tract anomalies. Endometrioma recurrence was considered when transvaginal or transrectal sonography indicated a cystic mass with a diameter of ≥ 20 mm. 결과: In total, 105 patients were followed up for 47.3 ± 44.3 months (range, 3 - 161 months). Seventeen patients (16.2 %) experienced recurrence after the first-line surgery and 8 patients (7.6 %) underwent a second surgery. The median time to recurrence was 51.1 ± 9.1 months (SEM) (range, 8 - 111 months). The cumulative recurrence rates of endometrioma per patient at 24, 36, 60 and 96 months after the first-line surgery were 6.4 %, 10 %, 19.9 % and 30.9 %, respectively. Surgical characteristics such as the diameter of the cyst, rAFS stage, unilateral or bilateral involvement, co-existence of deep endometriosis were not associated with the recurrence in this age group. 결론: The short-term recurrence rate in adolescent after the first-line surgery is relatively low but is appears to be higher according to the follow- up duration. Long-term and strict follow up is needed who have undergone surgical treatment for endometriosis in adolescent period.