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전해 인프로세스 드레싱을 이용한 Optical glass계의 경면연삭에 관한 연구
조주현,원종호,박원규,이진오,김민수,김성수 한국공작기계학회 2003 한국공작기계학회 춘계학술대회논문집 Vol.2003 No.-
Electrolytic In-process Dressing (ELID) technique for metal bonded diamond grinding wheel has been developed for mirror surface grinding of hard and brittle materials. This study process optical glass in using Electrolytic In-process Dressing. In using to main variable wheel speed(400 rpm ~ 2000 rpm), feed rate(5 μm/min ~ 25 μm/min), depth of cut (3 μm - 15 μm), dressing and spray. we measured surface roughness by Form Talysurf series2. we finded optimum grinding condition to obtain confident surface roughness in representative brittle materials.
지각과 주의 과제의 적용 : 운전 적성 검사 Developing the driving aptitude task
박민규,오성주,김정오,이재식 서울大學校 社會科學大學 心理科學硏究所 2002 心理科學 Vol.11 No.1
간단한 주의/지각 과제를 만들어 개인의 운전 적성을 판별하는데 사용하였다. 연구 1에서는 이동 물체의 속도 추정 과제, 연구 2에서는 속도 제어 과제, 연구 3에서는 분산주의 과제, 연구 4에서는 주의 전환 과제, 연구 5에서는 선택주의 과제를 고안하여, 각 과제에서 교통사고 유발 경향이 높은 고사고 빈도 집단과 낮은 저사고 빈도 집단의 차이를 검토하였다. 본 연구의 결과, 5개의 검사 중 속도 제어 과제를 제외한 나머지 검사에서 사고 집단간의 차이가 있었고, 세 주의 과제에서 집단간 수행의 차이가 커졌다. 이 결과는 주의/지각 과제가 운전과 같은 복잡한 수행 능력을 평가하는데 사용될 수 있음을 시사한다. 또한 사고 집단 분류의 문제와 연령 변인의 통제 문제를 지적하였다. Simple perceptual/attentional tasks were applied to personal driving aptitude test. In these studies, we investigated how accurately people estimate the speed of the moving object, how precisely control the moving object, how effectively dividing and switching their attention, and skillfully selecting target from distractors. We made a comparison between the accident-prone(AP) group and the accident-non-prone(ANP) group. In all tasks, except the speed control task, ANP group showed better performance than AP group. This results showed the possibility that perceptual/attentional tasks can be used to estimate the complex skill such as driving. Group classification problem and controling the aging factor related to task performances were discussed.
공터키안(Empty sella)을 동반한 급성췌장염으로 발현된 부갑상선 선종 1예
전언주,오지혜,배경륜,장샛별,전승운,정의달,손호상,원규장 영남대학교 의과대학 2009 Yeungnam University Journal of Medicine Vol.26 No.1
The incidence of coexisting hyperparathyroidism and empty sella syndrome is rare and the etiology and incidence of their coexistence is not known. The association of hyperparathyroidism and the empty sella syndrome may be related to multiple endocrine neoplasia (MEN) syndrome due to a genetic disorder. We experienced a rare case of hyperparathyroidism presenting as acute pancreatitis combined with empty sella. We report here a 37-year old female who manifested epigastric pain because of acute pancreatitis. She had hypercalcemia due to parathyroid adenoma. A pituitary gland was not visible in the sella turcica on MRI scans. On genetic analysis, she did not show a mutation of the MENIN gene. Empty sella is thought to be a coincidental finding with hyperparathyroidism.
康炳奎,魏聖河,朴承柱 全南大學校 農漁村開發硏究所 1984 農業科學技術硏究 Vol.19 No.-
1982年 7月 全南順天地域의 肥育用肉牛에 地域 集團的으로 發生한 皮膚疾患에 대한 炳因學的 調査를 하였던 바, Trichophyton verrucosum에 의한 皮膚絲狀菌炳(輪癬)임을 확인하였다. Bovine ringworm caused by Trichophophyton verrucosum was diagnosed clinically and mycologically. An enzootic of this infection was found in the area of Sunchum district of Korea from Spring to August, 1982.
ATM네트윅과의 접속을 위한 MAN을 이용한 사용자 - 망 인터페이스 설계
최황규,최경,서주하,김화종,이상희 江原大學校 産業技術硏究所 1991 産業技術硏究 Vol.11 No.-
In this paper the functional requirements of a B-ISDN access network based on MAN are investigated . Firstly, criteria of designing access network for the B-ISDN is studied. Secondly, the types of subscribers and their service requirements are defined. Thirdly, various artchitectures of CPNs(Customer Premises Networks) are considered and their characteristics are studied, Finally, the interworking funtions of a DQDB MAN as an access network are investigated.
정신과 외래환자의 약물치료 반응과 심박동 변이의 변화 양상
이상규,이홍석,김인주,김형태,김도훈,손봉기 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.6
Objectives : The purpose of this study was to investigate the change of heart rate variability after antidepressant treatment in depressed or anxious patients. We tried to find the usefulness of heart rate variability as a predictive marker of response to pharmacological treatments in the psychiatric field. Methods : Forty-seven patients with major depression, anxiety disorder, and somatoform disorder were treated over 4 weeks with antidepressants and were then classified as responders or nonresponders according to Hamilton depression scales or CGI scores. The HRV variables were measured and compared among the responders/nonresponders and the matched normal control. Results : The responders group exhibited low heart rate, low PSI, high SDNN, RMSSD, HRV index, NN50, pNN50, LNTP, LNLF, and LNHF compared with the nonresponders after 4 weeks antidepressant treatment. However, no significant differencein HRV vanables was observed between the responders group after treatment and the nonnal control group and the responsegroup after treatment. Conclusion : These results indicate that HRV variables would are normalized after successful antidepressant treatment and it that HRV has some possible uses as a predicting marker of antidepressant response.
간 낭종을 동반한 성인 다낭신 환자에서 간 낭종의 감염 1예
정규성,서정철,주기산,김원식,임영국,정종훈,문철웅 朝鮮大學校 附設 醫學硏究所 1993 The Medical Journal of Chosun University Vol.18 No.1
Adult polycystic kidney disease(APKD) usually accompanies with renal and extrarenal manifestations and liver cysts are present in aproximately 30% of patients with APKD. Kidney cysts often accompany with hemorrhage, rupture, infection, however, liver cysts are usually asymptomatic and do not impair liver function. Rare complication of liver cysts in patient with APKD include portal hypertension with bleeding esophageal varices and hepatic failure with encephalopathy. But, in APKD patient, infection of liver cysts without infection of renal cysts is extremely rare. We report a case of infected liver cyst in a patient with APKD who has complained generalized abdominal pain and high fever which was confirmed by ultrasound and aspiration. The patient was treated successfully with repeated aspiration and systemic antibiotics.
심리적 연습이 아동의 폐쇄기능 수행 및 학습에 미치는 영향
김상규,김성문,류상구,조주란 한국스포츠리서치 2003 한국 스포츠 리서치 Vol.14 No.3
The purpose of this thesis is, through the positive study, to clarify the effects of mental practice on performance and learning to the closed skill of children, what differences there are between mental practice and physical practice, whether or not the mental practice is effective in case it is performed simultaneously with physical practice, and when the effects of mental practice come out. The subjects are all right-handed elementary school students who are in the fifth grade and divided into four groups through four-step preliminary test. The subjects throw balls toward the five-meter apart target whose center is one meter high from the ground with their feet stuck on the ground. The points are treated 'ANOVA with repeated measured'-practice conditions(four variables) times practice periods(four variables)- making use of PC-SAS. If meaningful differences are found, they are put under the afterward identification - 'Turkey's HSD.' The material analysis brought the following conclusions. First, the skill performance effects are not found according to the practice conditions, but the practice performance effects are found according to the practice period. Second, the learning effects are not found according to the practice conditions, but the skill learning effects are found according to the practice period. Third, in the latter part of the practice period are the learning effects of the mental practice found.