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김영재(Young Jae Kim),이영철(Young Chul Rhee),이만길(man Kill Lee),차호(Ho Cha),정영채(Young Chae Jung) 대한소화기학회 1987 대한소화기학회지 Vol.19 No.1
N/A Comparative analytic review on clinical, endoscopic and histopathological findings was done in 13 cases of young age (under 29), 446 cases of mid age (30~69) and 39 cases of old age (above 70) stomach cancer who were visited Department of Internal Medicine of Masan Koryo General Hospital from March 1981 to July 1985. The following results were obtained: The peak of age incidence was the 5th decade amounting to 36.8%. The ratio between male and female was 2.6:1. The main chief complaint of each group was epigastric pain and it was followed by epigastric fullness. The most patient had the duration of symptom from 3 months to 6 months. For old-age group, mid-age group, major site of lesion in the antrum, meanwhile body for young-age group. The most frequent type of gastric cancer was type III in each group by Borrmanns classification. For each group, adenocarcinoma was major cases in the view of histopathological findings, and incidence of well differentiated type adenocarcinoma were lower in young-age group than others.
Kyu-shik Jeong,정원일,Jae-yong Chung,Mi-young An,Chae-yong Jung,Gyoung-jae Lee,Jong-soo Kang,Byeong-cheol Kang,Young-heun Jee,Bruce H Williams,Young-oh Kwon,Da-hee Jeong 대한수의학회 2003 Journal of Veterinary Science Vol.4 No.2
Cirrhosis Occurring in a Young Woodchuck (Marmota monax) Due to Vertical Transmission of Woodchuck Hepatitis Virus (WHV)Da-hee Jeong, Won-il Jeong, Jae-yong Chung, Mi-young An, Chae-yong Jung, Gyoung-jae Lee1, Jong-soo Kang1, Byeong-cheol Kang2, Young-heun Jee3, Bruce H Williams4, Young-oh Kwon5 and Kyu-shik Jeong*College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea1Shinwon Scientific Co., LTD, Research Institute, Suwon, Korea2Clinical Research Institute, Seoul National University, Seoul 110-744, Korea3College of Veterinary Medicine, Jeju National University, Jeju 690-756, Korea
Removal of Cochlodinium polykrikoides using a novel material produced from sediment - A field study
Young一Chae Song,S. Sivakumar,Sung-Chung Ko,Eung-Ju Hwang,Qtae Jo 한국항해항만학회 2007 한국항해항만학회 학술대회논문집 Vol.2 No.추계
The present study was conducted in three fields at Namhae to examine the removal efficiency of organic free, heavy metal immobilized sediment on Cochlodinium polykrikoidesand on sea water quality. The present study results concluded that removal efficiency was depends on the initial number of red tide cells. There was no drastic change in the sea water quality after sediment spray. For the comparison of effectiveness of betonite, zeolite and lime were mixed with sediment did not show any marked difference in removal. Finally, the present study evaluated 5Og/m² sediment is Sufficient to remove 100% cells density, even though various environmental factors are interfering the mechanism.
Superconducting MgB2 Wire Drawing Considering Anisotropic Hardening Behavior and Hydrostatic Effect
Young‑Seok Oh,Ho Won Lee,Kook‑Chae Chung,Duck‑Young Hwang,Seong‑Hoon Kang,Jeong Whan Yoon 대한금속·재료학회 2022 METALS AND MATERIALS International Vol.28 No.7
Numerical modeling was conducted to investigate the deformation behavior of powder mixture during multi-pass drawingprocesses for multi-filamentary MgB2wire. A modified Drucker-Prager Cap (DPC) model with an elliptical cap surface usingthe new material characterization method was developed to capture the anisotropic hardening behavior and hydrostatic effectof the powder mixture. A number of uniaxial die compaction, cold isostatic pressing, diametrical compression, and uniaxialcompression tests were conducted using different powder densities to characterize the modified DPC model. A commercialfinite element software ABAQUS with a user subroutine was used to simulate the drawing of the MgB2wire. The densityand area fraction of the powder mixture during the wire-drawing process were verified with experimental results. The differencein packing density at the inner and outer filaments of the MgB2wire was successfully captured by simulation. Inaddition, the effect of the initial packing density on the superconducting properties of MgB2wire was numerically studied. It is shown that the increase in the superconducting area, which results from a high initial packing density, should be moreeffective compared to the increase in the grain connectivity in enhancing the critical current properties for the MgB2wirewhen the final packing density is saturated after a number of drawing processes.
김영수,채영수,송용선 경북대학교 산업기술연구소 1991 産業技術硏究誌 Vol.19 No.-
The river sand has been used as a basement of footway block. To find a excellent material substitute for river sand, five materials of river sand, sea sand, granite soil, woven geotextile and nonwoven geotextile are tested to compare the superiority for this purpose. And the experimental field test construction is performed in the three different areas, Suwon; Maetan, Inchun; Kuwol and Kimhae; Uhband. Comparing the properties of five selected materials, the nonwoven geotextile is superior in workability and flatness as a basement of footway block material.
포항항 항로지정을 위한 주요 통항로 및 통항 특성에 관한 연구
송재욱(Chae-Uk Song),이윤석(Yun-Sok Lee),박영수(Young-Soo Park),강정구(Jeong-Gu Kang),정민(Min Jung),정창현(Chang-Hyun Jung) 한국항해항만학회 2005 한국항해항만학회지 Vol.29 No.10
2006년 영일만 신항이 개장될 경우 포항항 진입 수역은 선박 통항량이 증가하고 중대형 선박들의 입출항이 가속화될 것이다. 그러나 포항항 일부 진입 수역에는 여전히 항행 위험 요소가 존재하고 있다. 즉, 호미곶 인근 해역에서의 무질서한 항행 및 교통이 폭주하고 있어 통항 안전성을 고찰하기 위하여 해상교통조사를 실시하였다. 또한 해상교통조사 결과를 선종별 및 톤수별로 통계 처리하고 통항 선박의 항적 분포 등을 토대로 통항 선박의 주요 통항로 및 통항 특성을 분석하였으며, 향후 포항항 진입 수역의 항로지정에 활용하고자 한다. The traffic volume will be increased and the traffic of larger vessel could be multiplied in the Pohang port by the opening of the Young-il new port in 2006. Unfortunately, however, potential danger, factors to the safe navigation, disordered navigation and traffic congestion are still existing in the Pohang port approaching waters. This paper describes the status of marine traffic flow and navigational characteristics based on the marine traffic survey using the exclusive software, and the results of marine traffic survey classify into ship’s type, size and track history of passing ships through the statistical methods. Finally the examinations of marine traffic route, traffic flow and navigational characteristics are discussed. These results can be used for the best design of ship’s routing at the Pohang waters.
세 가지 유형의 칭찬을 활용한 또래칭찬활동프로그램이 학교생활적응에 미치는 효과
윤채영(Chae-Young YUN),김정섭(Jung-Sub KIM),강명숙(Myung-Suk KANG) 한국수산해양교육학회 2010 水産海洋敎育硏究 Vol.22 No.1
The purpose of this study was to examine the effect of three types of praise activities on school adjustment of sixth graders. We assume that there are three types of praises; Verbal reinforcement, Encouragement, and Social acknowledgment. The study is based on pretest-posttest experimental design. The subjects of this study were 55 six- grade students who enrolled to two classes of an elementary school located in Busan. One class (26 students) was an experimental group and the other class(29 students) was a control group. Three types of praise activities were applied to the experimental group for 11 weeks. The activities were composed of classroom activities for understanding of the concept of praise, online activities, praise card activities for practicing three types of praises. School Adjustment Scale developed by Lee Young-Sun(1997) was administrated to all the subjects as the pre and post-test. To verify the effects of the experiment, ANCOVA was conducted. The treatment group showed a statistically significant increase in school adjustment, but the control group that received a neutral intervention did not.