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郭東日,洪聖均,李祥淵 최신의학사 1975 最新醫學 Vol.18 No.2
This study is intended to investigate the various factors of three hundred five adolescents of outpatients who visited the department of neuropsychiatry, Woo Sok Hospital, Korea University during the period from Jan. 1970 to Dec. 1972. The result were as follows: 1. As to age and sex distribution, the most frequent age group was 18 year old patients (18.0% of the study group). The male patient was highly distributed at the age of 18 and 20, and the female patient was highly distributed at the age of 16. 2. As to the diagnostic categories according to age groups, it was revealed that neuroses was the most common at the age of 12, 13, 16, 19 and 20, and schizophrenia was the most common at the age of 14. 15, 17 and 18. As a whole, male patient had a higher rate than female patient in schizophrenics and female patient had a higher rate than male patient in neurotics. And it was revealed that neuroses was the highest rate of 36. 1%, and schizophreia(35.7%), psychophysiologic disorders(12.5%), affective psychoses(9.8%) were the higher rate in this order(305 of the study group). 3. As to yearly diagnostic distribution, it was the author's impression that the psychiatric disorders of adolescence was on the increase in Seoul area. 4. As to the socio-economic status according to diagnostic categories, the middle upper classes tend to have relatively more affective psychoses or personality disorder and the middle lowers classes tend to have neuroses or schizophrenia. As a whole,' the most patients came from the middle lower classes families. 5. As to the number of previous psychiatric consultation, the cases of none-previous psychiatric consultation were 80.3%.
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郭東日 大韓法醫學會 1979 대한법의학회지 Vol.3 No.1
The category of alcoholism is for patients whose alcohol intake is great enough to damage their physical health, or their personal or social functioning, or when it has become a presequisite to normal functioning. The author described the epidemiology and social consequences, the physiological effect of alcohol, the personality factors, the causes and the treatment of alcoholism.
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郭東日 大韓神經精神醫學會 1979 신경정신의학 Vol.18 No.2
Twenty-one depressive neurotics who experienced the death of one of their parents before age of ten were studied at the Department of Neuropsychiatry, Korea University Hospital from 1975 to 1978. Those patients completed MMPI during the course of their clinical assessment. Using a one-tail and a two-tail ‘t’test, the mean scores on the F scale, neurotic triad, and psychotic tetrad of the early bereaved, early mother bereaved, early father bereaved, early bereaved men, early bereaved women, early father bereaved women, early father bereaved men, and nondepressiveearly bereaved patients were compared with those of non-bereaved depressive patients matched for sex by decade of birth, who had their parents alive until at least age 25. The results of the study were as follows; 1. The F and Pa scales were statistcally significant in the early bereaved (p<0.01 and p<0.05). 2. The F and Pa scales were statistically significant in the early mother bereaved (p<0.05 and p<0.05), and the F scale was also statistically significant in the early father bereaved (p<0.05). 3. Only the F scale was statistically significant in the early bereaved men (p<0.05), but the F, D, Pa, Pt, and Sc scales were statistically significant in the early bereaved women (p<0.05). 4. The F, D, Pa, Pt, and Sc scales were statistically significant in the early father bereaved women (p<0.05), and there was no significant difference in the early father bereaved men. 5. There was no significant difference in the early bereaved (non-depressive).
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곽동일,정세운,김도형,황유상 한국항공우주학회 2014 한국항공우주학회 학술발표회 논문집 Vol.2014 No.11
헬리콥터 진동의 주요 가진원은 주로터이며 조종사와 승객들의 안락함을 위해 주로터에 의한 진동에 대응하는 것은 아주 중요한 문제이다. 대부분의 헬리콥터에는 수동형 또는 능동형 진동억제장치가 적용되어 있다. 국외선진업체들은 수동형 대비 적은 중량으로 고효율이면서 주기적 유지 보수가 불필요한 능동진동제어시스템으로 수동형 진동저감장치를 대체하는 추세에 있다. 또한 능동진동제어시스템은 모든 비행조건에서 만족할만한 성능을 발휘하기 때문에 만족도가 아주 높다. 수리온에서 이러한 성능이 발휘 되는지 확인하고자 능동진동제어시스템의 성능 시연 비행시험을 수행하였다. 본 논문에서는 수리온에 대한 능동진동제어시스템 성능 시연 시험의 수행과정, 수행기법 그리고 시험결과를 제시한다. The main source of vibration for the Helicopter is the main rotor and the main rotor-induced vibration is one of the main challenges for pilot and passenger comfortable in cockpit and cabin. Most helicopters have passive or active anti-vibration devices. There is a growing tendency for foreign advanced helicopter manufactures to replace passive with Active Vibration Control System(AVCS) which has the benefit of higher performance with lower weight and periodic maintenance unnecessary compared to passive. Also, AVCS is high satisfactory for its high performance overall maneuvers. Surion AVCS flight test campaign was performed in order to demonstrate a performance of AVCS for Surion. This paper shows procedure, technique and flight test results for AVCS performance demonstration flight testing.
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