http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
남자 초·중학생의 무산소성 작업능력과 무산소성 파워의 관계
정동식,정덕조,정성태,이병근,전태원,김은혜,이동규,정동춘 師範大學 體育硏究所 1998 서울大學校 體育硏究所論集 Vol.19 No.2
The critical power(CP) is the highest intensity to sustain for a long time without a fatigue. The anaerobic work capacity(AWC) is the highest anaerobic capacity to be provided by anaerobic energy system without the infection of hypoxia. The purpose of this study was to determine the relationship between AWC and AnP and to verify the validity of AWC. The subjects were consisted of 10 elementary and 10 middle school male students(12.8±1.3yrs, 159.3±12.1㎝, 49.4±11.8㎏). The critical power and anaerobic work capacity were calculated by work-time relationship after four cycle ergometry test to fatigue from 1 to 10 minute. The anaerobic power included Margaria-Kalmen test, Sargent jump and Wingate test. The main finding were as follows. The AWC of elementary and middle school students. were 6.47±2.63KJ and 11.10±3.01KJ. The AWC of elementary students was 58.3% of the middle school students's one. The AnP of elementary students were 47.2∼66.5% of the middle school students's one. And there were high correlation between AWC and AnP(0.64∼0.87, P<0.01). This study showed that AWC is useful index on AnP both elementary and middle school students.
혈우병 소견을 가진 뇌출혈 환자 치험(治驗) 1례(例)
정인태,서병관,이현종,하지영,강미경,홍장무,백용현,박동석,최도영,Jung, In-tae,Seo, Byung-kwan,Lee, Hyun-jong,Ha, Ji-young,Kang, Mi-kyeong,Hong, Jang-moo,Baek, Yong-hyeon,Park, Dong-suk,Choi, Do-young 대한침구의학회 2003 대한침구의학회지 Vol.20 No.4
Objective : Hemophilia, a genetically determined disorder, is characterized by abnormality of the coagulation mechanism due to functional deficiency of a specific factor, namely VIII or IX. In this study, the effect of Dong-Si acupuncture therapy on the cerebral hemorrhage patient with hemophilia was evaluated. Methods : We treated him with acupuncture by stimulating Dong-Si acupuncture point(Yuk Wan) and assessed the effect by using manual dynamic evaluation of MRC(Medical Research Council) and Modified Barthel Index. Results : After treatment, the bleeding tendency was grossly reduced and bleeding lesion was absorbed gradually. And manual dynamic evaluation of the upper extremity increased from 4 grade to 5 grade. Conclusions : This result suggest that Dong-Si acupuncture therapy on the cerebral hemorrhage patient with hemophilia was effective. And futher studies are required to concretely prove the effectiveness of Dong-Si acupuncture therapy for treating hemorrhagic diseases.
정동원,김형종,최두선,제태진,박재현 濟州大學校 海洋硏究所 2004 해양과환경연구소 연구논문집 Vol.28 No.2
Sandwich sheets consisting of two or more different material layers are widely used in various industries due to the diversity of properties they Possess, such as high electrical conductivity. high corrosion resistivity. high strength. etc. The production of sandwich sheets by a rolling process. which is a more efficient and economical approach compared to other types of Processes. has become an increasingly important subject of study. In this study, the focus of the analysis is to evaluate stress and strain of the micro structure by the roll forming.
정경태,장성실,이강숙,이연경,이동배 大韓産業醫學會 1999 대한직업환경의학회지 Vol.11 No.1
We surveyed 343 female bank clerks to find out associations between stress and a variety of factors including general, menstruation and reproductive characteristics of the participants. Unmarried women composed the majority of younger, lower income and lower education groups than married did. They also showed higher, though not significantly higher, scores for psychosocial well being index(PWI) and the first three items of the stress survey. And married women scored slightly higher only in the fourth item of the stress survey. Among the subgroups of married and unmarried women, many factors contributed to a higher stress score in two or more items of the stress survey: in unmarried women, lower education level, little physical exercise, and large family inhabitants, in contrast married women, higher monthly income and greater working hours were related to higher stress scores. According to the menstruation factors, subgroups with dysmenorrhea or irregular cycle and scanty bleeding volume in unmarried women and subgroups with dysmenorrhea kin married women showed higher stress scores in PWI. In married women, the proportion of those who have been pregnant was 77.2% and the proportion of those who have experienced spontaneous abortion was 24.1%. Those who have ever experienced two or more spontaneous abortion showed hgher, though not statistically significantly higher, scores for PWI. In conclusion, dysmenorrhea was associated with high stress score in two groups. And the other factors related to higher score of PWI were different between unmarred and married women, which should be considered in a management plan for mental health promotion.
3-Trolley Portainer Crane 운전 시뮬레이터의 개발
정민포,김규년,정태동,최제헌,김종훈 울산대학교 1994 공학연구논문집 Vol.25 No.2
항만에서, 빠른 시간내에 많은 양의 컨테이너 박스를 운반하는것이 곧 비용 절감이다. 이를 위해서는 크레인의 성능을 미리 예측을 할 수 있어야 한다. 특히 새로운 크레인을 제작할때, 실제 시험을 해본후 그 성능을 알아내기란 어려운 실정이다. 따라서, 컴퓨터상에서 이를 미리 시뮬레이션하여 그 성능을 알아낸다면 여러면에서 비용절감의 효과를 얻을수 있다. 본 연구에서는 기존의 하나의 Trolley에 의해 운전되는 크레인보다 더 나은 성능을 위해 설계된 3-Trolly Portainer Crane을 시뮬레이션하는 소프트웨어를 개발했다. 이것은 3개의 Torolley가 동시에 작동하여 하나일때보다 더 빠른 시간에 작업을 완수할수가 있다. 이 사실을 시뮬레이션을 통해 증명하고, 다양한 결과 자료를 이용해서 실제 이 크레인의 제작에도 상당히 도움이 될수 있다. 또한, 3개가 동시에 움직여서 각 구간별 소요시간의 측정이 문제가 되지만, 이것을 하나의 task로 미리 계산할 수 있는 방법을 고안, 적용하여 완수 하였다. In the port, it is a reduction of cost to load or unload many containers quickly. To do so, we should predict the performance of crane. Therefore, if we could simulate a crane operation and estimate the performance by the computer system, we can obtain a benefit of cost. In this study, we developed an operation simulator system of the 3-Trolley Portainer Crane which is designed for more efficeincy. Conceptually, the 3-Trolley Portainer Crane is operated concurrently by 3 trolleys, so it is faster than 1-Trolley Portainer Crane. We proved that through the simulation. It will be useful to manufactrue 3-Trolley Portainer Crane with many results from this software system. Also, the problem that must be calculated in parallel is solved by a single calculation method which we developed.
정은욱,지삼룡,이영태,박지훈,김동기,제인수,채두근,박성재,박은택,이연재,이상혁,설상영,정정명 白中央醫療院 2005 仁濟醫學 Vol.26 No.1
Afferent loop syndrome is an uncommon complication of a gastrectomy and Billroth Ⅱ reconstruction. It may cause symtoms at any time from the first postoperative day to many years after the gastrectomy. Afferent loop syndrome is characterized by abdominal pain, vomiting and elevation of serum amylase. Thus, it is difficult to differentiate afferent loop syndrome from other cause of acute pancreatitis. However, the history of gastrectomy can be an important clue for diagnosing afferent loop syndrome. We experienced one case of chronic afferent loop syndrome with acute pancreatitis. After appropriate management, the abdominal pain disappeared and serum amylase level decreased. We report this case with a review of relevant literatures.
교류여자방식 브러시리스 동기전동기의 공간벡터에 의한 토오크제어
우정인,정영일,노태균,조용길,신동률 東亞大學校 附設 情報通信硏究所 1997 情報通信硏究所論文誌 Vol.5 No.1
In the paper, a vector control method for a AC-excited BLSM(Brushless Synchronous Motor) is proposed. The BLSM has a feature that separate exciter is not needed for excitation. The proposed method is described in two parts as follow, one is the design of drive and the other is a modeling for its imlpementation. Rotor flux is estimated using inditect sensing method based on voltage equation in the synchronously rotation reference frame. And rotor position os calculated from rotor angular velocity and stator current. Through computer simulation results of this prorosed system, it is shown that the BLSM drive has a ability of precision torque control from the static and dynamic performances.
嚴泰燮,李益春,李鍾八,成大東 東亞大學校附設基礎科學硏究所 1997 基礎科學硏究論文集 Vol.14 No.1
2배위 및 3배위 황화합물들이 가수분해될 때 무기산이나 할로겐화 이온과 같은 친핵체에 의해 촉매작용을 받는다는 사실이 알려져 있다. 이들 화합물들의 산촉매 가수분해반응 메카니즘은 식(1)에서 보는 바와 같이 반응 중심인 황 원자 주위에 다섯 개의 전자쌍이 관련된 초원자가 중간체(hypervalent intermediate)가 관련된다는 사실이 흥미의 대상이 되어 오고 있다.