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      • 한국 수전농업의 지역적 전개과정

        이준선 서울대학교 지리교육과 1989 地理敎育論集 Vol.22 No.1

        Paddy-field farming in Korea had played a pivotal role of agriculture in the late Yi Dynasty as a result of the development of agricultural technology since the early Yi dynasty. The agricultural system centering paddy-field farming has contined through the present despite an increase in population and the expansion of arable land. The purpose of this study is to find how paddy-field farming has developed regionally. Four main cross-sections,-the early 15th century, the middle 18th century, the early 20th century, the late 20th century-are formulated for this purpose. The ratio of paddy-field area to that of arable land is calculated, which is classified according to Kun and Hyun, to scrutinize the regional distribution of paddy-fields. Also the fluctuation in the proportion of paddy-field between one time cross-section and the following to clear regional differences in the development of paddy-field farming. In this process, the results were showed using cartographic analysis. Considering the proportion of paddy-fields until the early 20 century macroscopically, we can find some difference between the northern region and the southern region of Namhan river. The latter of the south is highier than that of the north. The proportion of north was not high until the late 20 contury. It was the lower reaches of a large river and the lower and middle reaches of a small river that exceed 50% in the proportion of paddy-fields in the early 15th century. Especially, Man Kyeong. Impi, Okgu Hyun in which the proportion was over 70%, was the core region of paddy-field. But, in the case of the northern part of Namhan River, while half of the part had paddy-fields vender 3%, 12 Kuns or Hyuns located in the northern mountain region had no paddyfields. In the middle 18 century, the proportion increased so that the ratio of the south province was largely over 50%. In the early 20th century, the proportion was over 70. In the late 20th century, Kang Won and Chung Buk province was under 50 in the ratio of paddy-field, while the other provinces ranged from 50% to 70%. The proportion by province maintained the level of 40% to 70% as a result of decrease in regional differences in the late 20th century. In addition, the proportion of Honam province showed a 13% increase from the early 15th century to the middle 18th century while the proportion of Chung Cheong province showed a 27 increase, which is the gratest increase since, in the middle 18th century and the early 20th century. In the 20th, Kyong Gi and Kang Won province-especially the northern part of Namhan river-showed a high increase. This increase of paddy-field ratio resulted from the expansion of On-Tap, which was made through reclamation of coastal marsh land, and from the expansion of Pon-Top which was made through change of field to paddy-field. Depending on such regional enlargement procedures of paddy-field farming, Korean agrarian civilization is roughly generalized as a 'long history of paddyfield enlargement'. The procedure has gradually proceeded from Honam region, the hotbed of Korean paddy-field farming, to the northern part. The late Yi Dynasty about 18th century can be regarded as 'the period of agrarian revolution', because it saw the formation of basic framework of paddy-field farming, due to rice and doublecrop transplantation technique in view of farming method-rice and barley. The mid 20th century can be considered as the peak period of traditional agrarian civilization, according to the scale and ratio of nation-wide paddyfield area, and relative importance of agricultural population.

      • SCOPUSKCI등재

        황산망간을 이용한 분홍색 착색료의 제조연구

        이준선 한국세라믹학회 1974 한국세라믹학회지 Vol.11 No.4

        Preparation of pink color stains was studied using manganese sulfate and aluminum salts. As the results obtained in this study, the composition range of the stains showing favorable pink celor was as follows: MnO.0.5-0.8P2O5.1.70-3.00 Al2O3 Furthermore, as the results of applied tests for glazes and the color measured by Color Eye, the usefulness of the stains was approved.

      • KCI등재

        토석류 발생지역의 지형적 특성을 고려한 위험도 분석

        이준선,송창근,김홍택,이승오 한국방재학회 2015 한국방재학회논문집 Vol.15 No.3

        Recently, debris flow has occurred so frequently due to abnormal heavy rainfall. Although various studies have been conducted to simulate the topographic behavior of debris flow, geometric effect such as the shapes of slope side has been insufficient. In this study, simulations were conducted with FLO-2D, the commercial software to be recommended by FEMA to simulate debris flow. And target geometries are selected as flatbed, square shape, trapezoidal shape and V-shape. Firstly FLO-2D was verified by the comparison with USGS debris flow experiments (Iverson, 2010). The comparisons showed good agreements in term of the velocity range and the propagation length of debris flows. Furthermore, the concept of HAZUS-HM risk analysis was used to assess the vulnerabilities of the structures by the impact of the debris flow. Simulated results were confirmed debris flow behavior to be changed due to the geometry type. Behavior of debris flows were analyzed according to the maximum depth, velocity, propagation length and vulnerabilities of the structures by the debris flow. This study would be practical to provide quantitatively the spatial distribution of hazard caused by debris flow. 최근 자주 발생하는 집중 호우로 인하여 토석류가 빈번하게 발생하고 있다. 토석류에 관한 다양한 연구가 진행되고 있지만 비탈면의형상에 따른 위험도 분석에 관한 연구는 아직 미흡한 실정이다. 본 연구에서는 평판형, 사각형, 사다리꼴형, 브이형 등의 4가지 수로 형태에 따른 토석류의 전파길이와 최대 속도 및 최대 두께, 구조적 취약성을 분석하였다. FEMA에서 권장하는 상용프로그램인 FLO-2D 를 사용하였으며, USGS의 옥외 대형 실험수로의 실측결과와 모의결과를 비교하여 모형을 검증하였다. 또한 HAZUS-HM 위험도 분석 개념을 도입하여 토석류에 의한 구조물의 취약성 평가와 흐름 지형에 따른 토석류 거동의 특징을 분석하였다. 본 연구는 토석류 발생에 의한 공간적 위험도 분포를 정량적으로 제시하는데 도움이 될 것으로 판단된다.

      • KCI등재

        기혼 기독교인의 원가족 경험이 가족기능성에 미치는 영향: 영적 성숙도를 매개변인으로

        이준선 한국기독교상담심리학회 2014 한국기독교상담학회지 Vol.25 No.1

        The purpose of this study is to seek widespread benefits, cares, and therapies of pastoral counseling for family members in order to overcome vulnerability. For this purpose of the study, this study looks over the correlation between the married member’s family of origin experience before marriage and present family functioning after marriage and analyzes the impact of spiritual maturity as parameter in the correlation. The healthier ‘family of origin experience’ is, the higher ‘spiritual maturity’ is and the higher ‘spiritual maturity’ is, the better ‘family functioning’ is likewise. Through ‘spiritual maturity’ as parameter it shows that ‘family of origin experience’ has an indirect impact on ‘family functioning,’ and the indirect effect this channel explains shows the number .022. This channel agrees on statistics. As a result of the study of the meaningful total effect, ‘spiritual maturity’ can be seen as mediating ‘family of origin experience’ and ‘family functioning.’ 본 연구는 기독교인만의 특권인 영적 성숙도가 목회상담적 가족돌봄과 치료에서 폭넓게 모색되고 적용되는 것이었다. 이러한 연구 목적으로 기혼 기독교인들의 결혼 전 원가족 경험과 결혼 후 가족기능성 간의 상관관계를 살펴보고, 그 관계에서 영적 성숙도라는 매개변인의 효과를 검증하였다. 경로 1, 2, 3의 직접경로는 부분매개모형에서 원가족 경험이 가족기능성에 직접적으로 정적인 영향을 미치며, 원가족 경험이 건강하고 긍정적일수록 건강한 가족기능성을 보였다. 아울러 원가족 경험은 영적 성숙도에 직접적으로 정적인 영향을 주고, 영적 성숙도는 가족기능성에 정적으로 영향을 미쳤다. 경로 4의 간접경로에서, 원가족 경험이 건강할수록 높은 영적 성숙도를 보였고, 영적 성숙도가 높을수록 가족기능성도 건강한 것으로 나타났다. 더구나 원가족 경험이 영적 성숙도를 매개변인으로 하여 가족기능성에 영향을 미치는 이 경로가 설명하는 효과는 .022의 매개효과를 보였다. 매개효과의 유의성을 검증한 결과, 유의도 수준 5%에서 유의하였다. 그러므로 직, 간접효과를 합하여 의미 있는 전체효과를 보여 영적 성숙도가 원가족 경험과 가족기능성을 매개하고 있다고 본다. 따라서 영적 성숙도는 목회적 가족돌봄과 상담에서 긍정적 요인으로 작용할 수 있어 중요한 시사점으로 볼 수 있다.

      • KCI등재후보

        불안장애 모델에서 iNOS/Nrf2경로와 관련한 감초 추출물의 신경보호

        이준선,이길현,현경예 사단법인 인문사회과학기술융합학회 2015 예술인문사회융합멀티미디어논문지 Vol.5 No.4

        Anxiety is a most common psychological disease, caused by stress. Many drugs for treated anxiety have various side effects and natural resources have a possibility as alternate material to eradicate these side effects. In this study is investigate inflammation modulate effects of Glycyrrhiza uralensis (GU) Extract in Forced Swimming Test (FST) induced depression rat model. 1 day after FST implemented during 15 min to training for rats, we measured FST and Y-maze test during each 6min, 3min to lock for acute effects of GU Extract, likewise measured behavior response with same method for chronic effects of GU Extract. We orally administerd EU extract 100mg/kg and Sodium Tianeptine 10mg/kg. Researcher result showed oral administration of GUF Extracts significantly redused immobility time and increased total entries, total distance, down regulation of iNOS, Nrf2 expression in medulla oblongata and adrenal gland, anti-anxiety modulatory effect. 불안증은 스트레스에 의해 나타나는 가장 일반적인 정신 질환이다. 불안증을 치료하기 위한 여러 약제들은 다양한 부작용을 가지고 있으며 천연물질은 이러한 부작용을 극복할 대체물질로서 사용이 가능하다. 본 연구는 강제수영실험으로 유도된 불안증 동물 모델에서의 감초 추출물의 염증조절에 따른 신경보호효과를 조사하였다. 랫을 하루 전에 강제수영실험을 15분동안 실시하여 적응시키고, 감초추출물의 경구투여하고 30분 뒤에 급성스트레스효과를 보기 위해 6분동안 강제수영실험, 3분동안 Y자 미로실험을 실시하였다. 5일간의 연속적으로 감초추출물을 경구투여하고 마찬가지로 만성효과를 보기 위해 동일한 방법으로 행동반응을 측정하였다. 감초 추출물을 100mg/kg, 양성 대조군으로 티아넵틴나트륨을 10mg/kg 투여하였다. 실험 결과는 감초추출물의 경구투여가 부동시간을 유의하게 감소시켰고, Y자 미로에서 총 입장횟수와 이동거리가 증가하였으며, 연수와 부신에서 iNOS와 Nrf2의 단백질 발현을 조절하였으며, 항우울 효과를 보여 준 것으로 사료 된다.

      • KCI등재

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