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서봉한,황영성,이종현,오영도,이중숙 釜山大學校 附設 體育科學硏究所 1998 體育科學硏究所 論文集 Vol.14 No.-
The purpose of this study is to investigate the academic learning time of basketball, valleyball, vault horse, and balance beam teaching in physical education of junior high school. The subjects were 16 junior high school students living in U city, and their classes were recorded on video tape. The analatic methods were 5 seconds observation with BESTPED system, monitor stop and recording survey of Academic Learning Time-Physical Education. To analyze the academic learning time, independent varieables was set to practical carriculum(basketball, valleyball, vault horse, and balance beam) and dependent varieables were set to the academic learning time. To testify the relation between the independent varieables and the dependent varieables, dependent t-test was accomplished ar α=.05 level. The results were as follows; 1. In the comparison of ball game with gymnastics, position movement(p=.0004), practice(p=.0023), implement preparation(p=.0001), exercise(p=.000) and deviation(p=.000) brought out the differences. Also, waiting(p=.0001), watching(p=.0037) and information transmission(p=.0157) brought out the differences too, but information reception and interaction didn't. 2. In the comparison of basketball, position movement(p=.0438), practice(p=.0012), exercise(p=.0012) brought out the defferences but implement preparation didn't. Also, information reception(p=.0001), interaction(p=.0049), information transmission(p=.0000) and waiting(p=.0377) brought out the differences too, but watching didn't. 3. In the comparison of vault horse with a balance beam, practice(p=.0230) and exercise(p=.0003) brought out the differences but position movement, implement preparation, and deviation didn't. Also, information reception(p=.0013) and waiting(p=.0013) brought out the differences too, but interaction, information and watching didn't.
김한일,이봉규,김성백 濟州大學校 基礎科學硏究所 1996 基礎科學硏究 Vol.9 No.2
본 논문에서는 멀티미디어 프리젠테이션 시스템에서 서로 다른 미디어간에 발생하는 동기의 어긋남을 방지하기 위해 객체의 손실을 허용하는 멀티미디어 프리젠테이션 시스템을 제안하며, 이를 구성하는 시나리오 기술언어(SDL, Small scenario Description Language)와 동기화 기법을 설계, 구현하였다. 제안된 시스템은 우선 순위가 낮은 객체를 희생시킴으로써, 어긋남이 발생하지 않고 한정됨 시스템 자원내에서 수행가능한 프리젠테이션을 제공한다.
황영성,오영도,서봉한 釜山大學校 附設 體育科學硏究所 1998 體育科學硏究所 論文集 Vol.14 No.-
The purpose of this research was to investigate the present state of continual upbringing of school elite sports, athletic facilities, university and business sports teams and the achievements of the 78th National Athletic Competition of Ulsan city and find out how to activate the elite sports in Ulsan base on the investigations. The results are as follows; 1) In the 78th National athletic competition, Ulsan was ranked the lowest, scoring 10,868points, 1.68% of all the scores. 2) Athletic facilities of Ulsan are the worst of the 16 cities and provinces. 3) It is very necessary in Ulsan to continuosly train and develop teams. In particular, it is most required to concentrate on improving field and track competition, swimming, western style archery, gymnastics, cycling, weight-lifting, canoe and shooting.
한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률
조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4
Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.
2자유도 PI 제어기를 이용한 BLDC 전동기의 벡터제어에 관한 연구
이종현,성낙규,이상집,이승환,오봉환,이훈구,한경희 명지대학교 산업기술연구소 2001 産業技術硏究所論文集 Vol.20 No.-
This paper describes the speed control method of BLDC Motor using TDOF PI ( Tow-degree of freedom PI ). PI control method generally used has difficulty in efficient speed control because speed response and load torque response interfere each other. It can't decrease the overshoot of motor speed w rm, and shorten the response time of load torque TL, at the same time according to the step alternation of speed reference w rm. Therefore TDOF PI is applied to BLDC Motor in order to supply these weak points of PI control method in this paper. TDOF PI can get the torque characteristic of short response time as well as stable and prompt speed adjustment by separate control for speed response and load torque response. The results from the tests of C program simulation and system construction show that TDOF PI is superior to PI control system in speed adjustment and load torque response.
서울의 Penicillinase Producing Neisseria gonorrhoeae 발생빈도(1998)
김재홍,김준호,반재용,이정우,황성주,정준규,정성태,강진문,조흔정,홍창의,정혜신,이한승,김이선,이봉길,이종호,선영우,한기덕,윤성필,이성훈,안종성,박석범,문승현,조항래,김형섭,류지호,황재영,박준홍,손상욱 한양대학교 의과대학 2001 한양의대 학술지 Vol.21 No.1
In recent years, gonorrhea has been pandemic and remains one of the most common STDs in the world, especially in developing countries. For the detection of a more effective therapeutic regimen and assessing the prevalence of Penicillinase Producing Neisseria gonorrhoeae(PPNG), we have been trying to study the patients who have visited the Venereal Disease Clinic of Choong-Ku Public Health Center in Seoul since 1980 by menas of the chromogenic cephalosporin method. In 1998, 93 strians of N. genorrhoeae were isolated, among which 60(64.5%) were PPNG. The prevalence of PPNG in Seoul, which had been decreased to 39% in 1996 after a peak of 74.3% in 1993, is increased to 64.5% in 1998.
Pharmacokinetics of a sustained-release bovine somatotropin in lactating cows
Han, Seong-kyu,Park, Jin-bong,Kim, Doo,Park, Sang-kyoon,Lee, Ho-sung,Kim, Seong-nam,Chang, Byoung-sun,Ryu, Pan-dong The Korean Society of Veterinary Science 1999 大韓獸醫學會誌 Vol.39 No.2
Bovine somatotropin is known to improve the growth rate and lactation in cattle. In this study, we examined the concentration-time profiles of a sustained-release formulation of bovine somatotropin (BST) and insulin-like growth factor-1 (IGF-1) in plasma and milk in cows. In addition, the possible effect of co-administrated vitamin ADE complex on the pharmacokinetic parameters of BST and IGF-1 was evaluated. 1. Plasma BST and IGF-1 levels reached the peak at 12~24 and 48 hours after the administration of BST, and plasma half-lives ranged 100 to 137 and 201 to 310 hours, respectively. To 8th day after administration, BST and IGF-1 levels in milk were not significantly different from the control levels. 2. Plasma BST levels showed cyclic pattern with high concentrations in early stage after each injection and following gradual declining during repeated administrations at 2 week intervals, while plasma IGF-1 levels in treated animals did not show such a cyclic pattern, but remained higher than the control levels. 3. Milk BST and IGF-1 levels during repeated treatments were not significantly different from the control levels. 4. Co-administration of vitamin ADE complex yielded slightly increased AUC of plasma BST for high dose group, but such effect was not evident in the IGF-1 levels. Co-administration of ADE complex tended to increase plasma BST levels and decrease the elimination half-life of IGF-1. 5. These results suggest that the BST formulation tested is one of the ideal sustained-release formulation for long term use in dairy industry. As for the co-administration of vitamin ADE complex, the benefit of co-administration with BST is needed to be further evaluated.
Safety evaluation of supercritical CO<sub>2</sub> cooled micro modular reactor
Oh, Bong Seong,Ahn, Yoon Han,Yu, Hwanyeal,Moon, Jangsik,Kim, Seong Gu,Cho, Seong Kuk,Kim, Yonghee,Jeong, Yong Hoon,Lee, Jeong Ik Elsevier 2017 Annals of nuclear energy Vol.110 No.-
<P><B>Abstract</B></P> <P>To meet the energy requirement for a remote and isolated region, a concept of supercritical CO<SUB>2</SUB> (S-CO<SUB>2</SUB>) cooled micro modular reactor (MMR) has been developed, which is easy to transport by fully modularizing the nuclear power system. From the previous work, only the on-design performances of MMR were presented. However, since the nuclear system needs to meet high safety standard, the design can be finalized only after the evaluation of the nuclear system response under multiple transient conditions. Such transient conditions may include part load operation and postulated accidents. The system response can be evaluated only with a high fidelity computer simulation, since it is almost impossible to construct a nuclear facility to test at such conditions. The simulation is performed to guarantee its autonomous operability and safety. Unfortunately, a system analysis computer code available for the S-CO<SUB>2</SUB> cycle analysis is yet to be developed for the MMR safety evaluation. Description of aS-CO<SUB>2</SUB> system analysis code platform is first presented in this paper. After that, the developed code is validated with experimental data. The steady state of MMR is first modeled with the code, which is followed by simulations of part load operation and postulated accidents of MMR. All simulation results show that the current design of MMR has the ability to maintain its safety and structural integrity even under extreme conditions to protect the public from radiation hazard at all times.</P>