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      • KCI등재

        한국 정신장애의 역학 조사 연구[I] : 각 정신장애의 유병률

        조맹제,함봉진,김장규,박강규,정은기,서동우,김선욱,조성진,이준영,홍진표,최용성,박종익,이동우,이기철,배재남,신정호,정인원,박종한,배안,이충경 大韓神經精神醫學會 2004 신경정신의학 Vol.43 No.4

        Objectives : This study aims to estimate the prevalence of the DSM-IV psychiatric disorders in Korean population using the Korean version of Composite International Diagnostic Interview (K-CIDI). Methods : Subjects were selected by taking multi-stage, cluster samples of 7,867 adult household residents, 18 to 64 years of age, in ten catchment areas. Total 78 trained interviewers administered the K-CIDI to the selected respondents, from June 1 to November30,2001. Results : Total 6,275 respondents completed the interview. Some 33.5% of respondents reported at least one lifetime disorder, 20.6% reported at least one-year disorder, and 16.7% reported at least one-month disorder. The most common lifetime disorders were alcohol abuse/dependence (17.24%), nicotine dependence/withdrawal (11.19%), specific phobia (5.16%), and major de-pressive disorder (4.25%). The lifetime prevalence of substance abuse/dependence (0.25%) and schizophrenia (0.16%) was very low. Nicotine and alcohol use disorder showed very high male/female ratio. Mood disorder and anxiety disorder were more prevalent among female than male. Conclusion : The prevalence of psychiatric disorders was high. In comparison with other studies, remarkable differences in distributions of psychiatric disorders across the areas and times were observed.

      • 무리말뚝의 수평하중분담에 관한 실험적 연구

        裵鍾淳,金成浩,崔震宇,姜秉卓 경상대학교 생산기술연구소 2000 生産技術硏究所論文集 Vol.16 No.-

        Load distribution in group piles is an important matter of consequence for the safe design and the economical design. In the group piles, the model tests were to investigate the effects on spacing-to-diameter ratio of pile, number of piles and arrangement of the pile. The tops of pile were all set to rotate freely. This paper considered the load distribution by the location of the pile as compared the behavior of group piles with single pile. For a three row pile group at 3D spacing, the measured individual row distributions were 35~38%(lead), 32∼34%(middle) and 27∼30%(tail). This results were compared very favorably to those by McVay et al(1995). The shadowing effect for the parallel direction of lateral loading appears to be more significant than the one for the perpendicular direction of lateral loading.

      • 약 내향 비확대 다가사상의 고정점 정리

        배종숙;안대종;장우성 명지대학교 자연과학연구소 2004 자연과학논문집 Vol.23 No.-

        In this paper, we prove fixed point theorems for weakly inward multivalued nonexpansive maps on a Banach space satisfying Opial condition. 이 논문에서 우리는 Banach 공간에서 Opial 조건을 만족하는 약 내향 비확대 다가사상의 몇 가지 고정점정리를 증명하였다.

      • KCI등재후보

        풍화에 따른 퇴적암의 강도 변화

        배우석,이봉직,오세욱,이종규 한국산업안전학회 2003 한국안전학회지 Vol.18 No.1

        The failure of rock slopes were influenced by weathering, which causes change in the shear strength. The weathering is also directly related to slaking and swelling characteristics. In the paper, the core of diameter 10㎝ was obtained by digging on rock slope of Kong-ju in Korea and the EDX (Energy Dispersive X-ray spectrometer) analysis was carried out to verified element of chief rock-forming minerals. Uniaxial compression tests, slaking tests, and point load test are performed to study engineering characteristics of conglomerate and red shale. As a results of slaking test, slaking index of conglomerate indicate range of 85.11-99.58 and shale indicate 58.37-99.23.Therefore, it is recognized that the resistance of shale to weathering decreases in shallow depth and it greatly influences the strength of rock. The result of uniaxial compression test and point load test show that the strength of sedimentary such as conglomerate and red shale has an influence on both weathering and saturation.

      • 사고능력의 개발과 그 가능성

        이우언,김종배 대구산업정보대학 1995 논문집 Vol.9 No.1

        This study intends to review the articles and programs related to improving thinking skills. The conclusions are followes. (1) In the Korean thinking education (and industrial education) situation, We acuetely needs the program development of thinking skills. (2) It is clearly to say that not many thinking educational programs currently used in educational(or industrial educational)situations have been successful accompanying the goals of program. (3) We are first to test through field expriment, and we must select the best education materials, education time, target student, and so on.

      • 事業場 安全敎育 活性化에 관한 硏究

        李愚彦,金鐘培 대구산업정보대학 1994 논문집 Vol.8 No.-

        It is ultimate purpose of safety education for working area to get own attitude, carefulness, mutual operation of technique and farseeing wisdom dealing with danger in pursuing of personal desire safely. Besides, it is to make production in harmony at manufacturing spot, to attain proficiency in efficient standardization operation and to remove inefficient factor which hinders production. To accomplish these purpose, education is necessary for securing these capabilities, which are knowledge, function and attitude simultaneously. Moreover, it is very important to get instructors in ability to make this education excellent. It would be the best program to develop education of administrative supervisor as a training course for instructor.

      • KCI등재후보
      • 횡보강된 RC내진골조의 연성내력 특성시험에 관한 연구

        윤정배,정희효,우종열 慶尙大學校 1990 論文集 Vol.29 No.1

        The experimental study from the beam-column subassemblies is presented. Test parameters are flexual strength ratio, joint shear stress factor and transverse steel reinforcement ratio. The results from cyclic loading tests show very ductile characteristics. In the designing of ductile moment resisting frame, therefore, transverse reinforcing effect of column and joint should be included.

      • KCI등재

        밭토양에 처리된 규산질 비료의 유효화와 토양반응 교정효과

        조현종,최희열,이용우,이윤정,정종배 한국환경농학회 2004 한국환경농학회지 Vol.23 No.2

        이화학적 특성이 다른 4가지의 밭토양에 대한 규산질 비료를 처리하여 토양의 유효규산 함량과 pH 변화에 미치는 효과를 조사하였다. 토양의 이화학적 특성과 기존 유효규산 함량에 상관없이 토양 유효규산 함량은 규산질 비료 시용량에 비례하여 증가 하였다. 규산질 비료의 유효화 정도는 토양마다 차이가 있었으며 최저 9.1%에서 최고 19.2% 정도의 비율을 나타냈다. 규산질 비료 100 kg/10a 수준의 처리는 용탈 등으로 제거되지 않는 한 10 cm 깊이 표토에 평균적으로 100 mg/kg 정도 의 유효규산을 공급할 수 있는 것으로 나타났다. 퇴비 혼합처리는 토양 유효규산 함량 증가에 큰 영향을 미치지 못했으며, 석회 처리는 유효규산 함량을 다소 증가시켰다. 토양 pH 변화는 모든 토양에서 규산질 비료 시비량에 비례하여 증가하였으며, 규산질 비교 100 kg/10a 처리로 토양 pH를 0.1~0.2 단위 증가시킬 수 있는 것으로 나타났다. 따라서 산성 토양의 경우에는 규산질 비료의 시용과는 별도로 pH 교정을 위해 석회비료를 시용해야 할 것이다. Although silicon (Si) has been known to be an essential element for rice growth, the optimum soil level of Si for upland crops remains unestablished. This study was conducted to estimate the availability of Si fertilizer in upland soils, and also effect of the Si fertilizer on soil pH was examined. Different application rates of Si fertilizer were tested using four soils of different available Si levels and pHs in a series of laboratory incubation study. The treatments included Si fertilizer levels of 100, 200, and 300 kg/10a. Also to examine the effects of compost and lime on the availability of Si fertilizer in upland soil, treatment of silicate fertilizer 200 kg/10a + compost 1,000 kg/10a and lime alone treatment were included. Changes of Si availability in the soils during the incubation period were measured by 1 N NaOAc extraction procedure. Availability of Si fertilizer was different among the tested soils, and about 9.1~19.2% of the applied Si fertilizer was extracted after 60 days laboratory incubation. Application rate could not influence the availability of Si fertilizer. Application of compost with Si fertilizer could not increase Si availability in upland soils, but lime treatment could increase Si availability. Soil pH increased by application of Si fertilizer, but the effect of Si fertilizer on soil pH was minimal. When Si fertilizer is applied on the purpose of Si nutrition in acid upland soils, lime treatment should be coupled with the Si fertilizer for remediation of soil acidity.

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