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손명원 大邱大學校 社會科學硏究所 1999 社會科學硏究 Vol.6 No.3
신생대 제4기 가운데 최후 빙기는 현생 인류가 현 인류로 진화하던 시기이므로 인간의 역사와 지구환경을 다루는 모든 학문분야에서 매우 중요하다. 하지만 기후환경을 지시하는 증거가 빈약하여 고기후 복원에 많은 어려움을 겪고 있다. 이에 본 연구에서는 하안단구 퇴적물의 규모 분석을 통한 하천력(stream power) 분석을 통하여 최후 빙기시의 고기후환경을 추정하였다. 본 연구에서는 하안단구를 구성하는 퇴적층내의 최대 하천력 규모를 분석하여 평균유속과 평균유량 및 평균 유출량을 계산하고, 나아가 연평균 강수량을 추정하였다. 그 결과 본 연구지역인 영양 지방의 최후 빙기시 고기후는 연평균 기온 약 6℃, 1월 평균기온 약 -13℃, 7월 평균기온 21~22℃, 연평균 강수량 497~1,058mm, 주요 식생은 Betula·Picea·Castanea·Quercus 등이다. 강수량에서 큰 범위를 보이는 것은 최종 빙기 내에서 냉량기와 온난기 또는 습윤기와 건조기가 교차하기 때문인 것으로 사료된다.
신성휴,손명성,김원섭,최승필 한국운동역학회 1998 한국운동역학회지 Vol.8 No.2
This study has been aimed to analyze UCHIMATE technique of Judo gymnastically. The following are the results and the proposition obtained through an image analysis method 3 men half heavy weight champions of the national Judo standing team(85-95kg) were used as subjects for the study. 1. CONCLUSION The following are the conclusion obtained through the discussion of analysis results of the Uchimata technique using 3 men, half heavy weight(85-95kg) champions of the National standing Judo team. 1) The time performing total technique were 1.48-seconds which was performinglonger than the light heavy weight class of 1.28-seconds by 0.20-seconds, this showed that the heavy weight class players demonstrated the technique later than the light heavy weight class palyers. 2) The average length of moving 1-step leg for attacking was 24.27cm, and 2-step leg moving was 92.87cm on average. Therefore, the shorter the moving distance, the more the technique performing hour could be shortened. 3) In the hanging phase, the moving displacement of the center of gravity of the body weight showed in horizontal, vertical, right and left direction 28.97cm, 21.59cm and 13.57cm respectively. Each of which were longer than the phase of KUZUSHI and TSUKURI. Such results show that the center of gravity of the body in move lift the opponent. This reducing the displacement of body weight from the center toward the right and left direction in the phase of KAKE is considered to be effective in demonstrationg the technique. 4)The central speed of the body was 0.8cm per second on average and the average vertical speed was 0.74cm per second. The speed of right and left movement was 0.51cm per second on average which showed the horizontal speed was the fastest while it is preferred that the vertical speed should be faster than that of the horizontal. 5) Angle of the Trunk showed 98.13 ˚ on average in the hanging phase and the larger the trunk angle, the shorter the needed time to demonstrate the technique, thus making the throw of the opponent over shoulder more advantageous. 2. PROPOSTION The following propositions are suggested through this analysis for further study : 1) It is to be considered that the kinetics in hanging the thigh and the degree of every segment of the body be studied in a more detailed fashion. 2) A study on the technique of thigh hanging in an actual game situation (rather than during mere exercises) is necessary. 3) It is necessary to study the TORI and UKE techniques together. 4) The study of each weight class ought to be performed.
Feasibility of Single-Incision Laparoscopic Appendectomy in Pregnant Women
Myoung Won Son,Geum Jong Song,Moon Soo Lee 순천향대학교 순천향의학연구소 2018 Journal of Soonchunhyang Medical Science Vol.24 No.2
Objective: Owing to advances in laparoscopic technique and equipment, a single-port laparoscopic surgery has been applied in various fields of surgery. However, the application of a single-port laparoscopic surgery for pregnant women has been rarely reported. The aim of this study was to emphasize the feasibility of single-port laparoscopic appendectomy in pregnant women. Methods: In seven pregnant women who underwent abdominal ultrasonography and physical examination, surgery was performed under the diagnosis of acute appendicitis. In all the patients, single-port laparoscopic appendectomy was performed in the same way. The laparoscopic surgical devices used during surgery were same as those in conventional laparoscopic appendectomy. Results: Age ranged from 25 to 33 years (mean, 29.7 years), gestational age ranged from 7 weeks 3 days to 17 weeks 6 days (mean gestational age, 14 weeks 3 days). The mean operation time was 19 minutes (range, 16–22 minutes). No surgical related complications and any issues occurred. Conclusion: Single-port laparoscopic appendectomy for pregnant women is considered one of the treatment methods.
Long-Term Outcomes of Proximal Gastrectomy versus Total Gastrectomy for Upper-Third Gastric Cancer
Son, Myoung Won,Kim, Yong Jin,Jeong, Gui Ae,Cho, Gyu Seok,Lee, Moon Soo The Korean Gastric Cancer Association 2014 Journal of gastric cancer Vol.14 No.4
Purpose: There are two surgical procedures for proximal early gastric cancer (EGC): total gastrectomy (TG) and proximal gastrectomy (PG). This study aimed to compare the long-term outcomes of PG with those of TG. Materials and Methods: Between January 2001 and December 2008, 170 patients were diagnosed with proximal EGC at Soonchunhyang University Cheonan Hospital, of which 64 patients underwent PG and 106 underwent TG. Clinicopathologic features, postoperative complications, blood chemistry data, changes in body weight, and oncological outcomes were analyzed and retrospectively compared between both groups. Results: Tumor size was smaller and the number of retrieved lymph nodes was lower in the PG group. The postoperative complication rate was 10.9% in the TG group and 16.9% in the PG group. The incidence of Los Angeles grade C and D reflux esophagitis was significantly higher in the TG group. Hemoglobin level was higher and body weight loss was greater in the TG group at 2, 3, and 5 years postoperatively. The albumin levels at 3 and 5 years were lower in the TG group. There was no significant difference in the 5-year overall survival rates between the two groups (P=0.789). Conclusions: Postoperative complications and oncologic outcomes were observed to be similar between the two groups. The PG group showed better laboratory data and weight loss than did the TG group. Moreover, severe reflux esophagitis occurred less frequently in the PG group than in the TG group. PG can be considered as an effective surgical treatment for proximal EGC.