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      • KCI등재

        청소년 사이버비행 피해의 가해에의 영향에서의 조절변인들의 효과

        이성식(Lee, Seong­Sik) 한국피해자학회 2018 被害者學硏究 Vol.26 No.1

        This study intends to test the effect of cyber victimization on cyber offending and investigates which variables operate moderating effects. This study uses six moderating variables such as low self-control, attitudes toward cyber delinquency, parental support, peer support, self-esteem, and the perceived opportunity of cyber delinquency. Using data from 353 elementary, middle, and high school student in Kyunggi area, the study tests the interaction effects of cyber victimization and moderating variables on cyber offending. Results show that the interaction effect between cyber victimization and low self-control is not significant. However, the interaction effect between cyber victimization and attitude towards cyber delinquency is positively significant. In addition, the interaction effect between cyber victimization and peer support is negatively significant, while the interaction effect between cyber victimization and parental support is positively significant. It is also found that the interaction effect between cyber victimization and self-esteem is negatively significant. It is revealed that the moderating effect of the perceived opportunity is the most significant. The policy implications are discussed.

      • KCI등재

        용헌(容軒) 이원(李原)의 역사의식

        정성식 ( Jeong Seong-sik ) 한국철학사연구회 2017 한국 철학논집 Vol.0 No.55

        본 논문의 목적은 고려 말 조선 초기에 활동한 용헌 이원의 역사의식을 재조명하는 데 있다. 그는 권근의 학문적 영향으로 유교사상에 많은 관심을 가지게 되었다. 그는 유학적 정치의식과 공의적 가치관에 기반하여 나라를 근심하고 백성을 구휼하려하였다. 이러한 자세로 당시 국가운영 시스템을 정비하며 민생안정을 도모하는 데 많은 관심과 노력을 기울였다. 이원은 이성계에게 상소문을 올려서 한 시대의 본보기가 될 만한 열 가지의 준칙을 제시하였다. 이원의 유학사상은 정치현실에 있어서 ‘신의’의 문제를 중시하는 모습으로 나타났다. 여기서 정치적 신뢰성을 원론적으로 강조하며 중시한 이원의 유학적 정교이념을 확인할 수 있다. 이원은 당시 사회제도의 문제점을 지적하고 이의 시정을 위해 적극적으로 힘을 기울였다. 다양한 건의를 통한 많은 정책들은 모두 그의 유교적 정치사상을 실현하는 데에 그 최종 목적을 둔 것이었다. 이원의 역사의식은 사상적으로 유교적 정교이념들을 기반으로 하여 전개되었다. 이는 조선 초기의 국가운영 시스템 정비와 사회적 과제들을 해결해나가는 데 있어서 일정한 역할을 수행한 것으로 그 의의를 부여할 수 있다. The purpose of this thessis is to reflect the historical awareness of Yonghun Lee-Won, who was originally active in the late Koryo and he early Chosun period. With the scholarly influence of Kwon-Geun, he became very interested in Confucianism. Based on his confucian political consciousness and moral values, he sought to help the nation and relieve the public. In this posture, he focused on improving the national operating system and making efforts to stabilize the people's livelihood. Lee-Won presented the articles to Yi Seong-gye and presented 10 principles to set an example of an era. Lee-Won' Confucian ideas showed a serious aspect of the issue of faith in politics. Here he can check his Confucian politics. Lee-Won pointed out the problems of the social system at the time and actively applied for improvements. Many of the various proposals were aimed t realizing his Confucian ideology. Lee-Won' historical awareness was developed consistently based on Confucian ideology. This can be acieved by playing a certain role in solving the national operating system maintenace and social tasks of the early Chosun period.

      • KCI등재

        OK-432(Picibanilⓡ)와 외과적 절제술을 이용한 선천성 림프관종의 치험례

        김일규,이성호,오성섭,최진호,오남식,김왕식,임영일,양동환 대한악안면성형재건외과학회 2001 Maxillofacial Plastic Reconstructive Surgery Vol.23 No.3

        Lymphangiomas are relatively rare benign tumors of the lymphatic system, characterized by congenital lymphatic malformation such as anastomosis or obstuction of the lymphatic channels. There are most frequently diagnosed in children younger than 3years. In contrast to that of the hemangioma, the sex distribution of the lymphangioma is nearly evenly divided. The head and neck lymphangioma represents about 70∼75% of all lymphangiomas, and they are difficult to manage. Spontaneous regression is rare, and rapid intermittent enlargement occurs secondary to infection or trauma. Enlargement may cause serious sequelae such as airway obstruction, feeding difficulties, and cosmetic problems. Treatments previously used for lymphangiomas include surgical excision and intralesional injection of sclerosants. Problems associated with surgical excision include the risk of cosmetically unacceptable scarring and the risk of damage to surrounding vital stricture and the high risk of incomplete excision. The sclerosants previously used have numerous other local and systemic side effects. This report describes a case that was successfully treated using OK-432 as a new sclerosant drug and secondary surgical excision for congential cavenous lymphangioma extensively enlarged to tongue, mouth floor and submandibular region.

      • KCI등재

        구내 접근법에 의한 하악골 골절 치료에 대한 임상적 고찰

        정성훈,박형식,권준호 大韓顎顔面成形外科學會 1989 Maxillofacial Plastic Reconstructive Surgery Vol.11 No.1

        This is a retrospective study on the transoral approach to open reduction of the Mandibular fractures. Our study was based on a series of 64 patients with mandibular fractures among 99 patients of facial bone fractures who had been treated by transoral approach with or without extraoral approach at Department of Oral and Maxillofacial Surgery, Yonsei Medical Center, Yonsei University from January 1981 to October 1988. We studied favorite sites of open reduction, fixation methods, results and prognosis related to transoral approaches of Mandibular fractures, and which compared with extraoral approaches. The results obtained are as follows : 1. The transoral open reduction was used more frequently in Mandibular fractures(64.6%) than Midfacial bone fractures(35.4%). Among 64 patients of mandibular fractures, 47 patients(73.4%) were treated only by transoral approach and others(26.6%) were treated by both trans and extraoral approach. Among 92 sites of mandibular fractures 75 sites(81.5%) were treated by transoral approach and 17(18.5%) were treated by extraoral approach. 2. The most favorite site for transoral approach compared with extraoral approach was symphysis(100%), and Angle(62.5%) was next in order of frequency on Mandibular fractures. 3. Direct Interosseous Wiring(DIW) was most commonly used for fixation(64.6%) and Miniplate osteosynthesis was used next in 28.1%. 4. Simple(39.1%) and Compound(52.2%) fractures were frequently indicated for transoral approach, however comminuted fractures were rarely indicated. 5. The direction of fracture lines on Angle of the mandible did not influence to determine whether transoral approach should be selected or not. However this area seemed to be more difficult to reduce exactly by transoral procedure than other areas because simultaneous superior and inferior fixation was applied predominantly on this area. 6. The success rate of reduction and fixation analyzed from us was more excellent in Direct Interosseous Wiring(29/53=54.7%) than in Rigid Internal Fixation(9/29=31.0%). But it might be depended upon various factors as like as sugeon's skill. 7. The postoperative complication due to transoral open reduction of mandible was not high(12.0%) and this rate was similar with other published reports.

      • 作形에 따른 土壤 微小節肢動物의 分布에 關한 硏究

        崔星植,郭晙洙 圓光大學校 1984 論文集 Vol.18 No.2

        土壤中에는 여러 가지 動物群이 棲息하고 있으며 특히 土壤 微小節肢動物은 그 數나 種이 매우 多樣하고 腐植을 포함한 有機物을 分解하여 土壤의 理化學的 性質을 變化시키므로 種生과 動物相에 影響을 미쳐 土壤生態界의 均衡을 維持하는데 중요한 役割을 하고 있다. 이들은 自然的, 人爲的 諸要因에 의해서 영향을 받으며 특히 腐植을 포함한 土壤表層의 狀態와 가장 關係가 큰 것으로 알려져 있다. 따라서 耕作形態와 植生을 달리하는 地域에서 土壤에 棲息하는 微小節肢動物의 分布狀態를 調査하기 위하여 森林 및 竹林 等의 非耕作地와 果樹園, 桑田 및 牧草地, 人蔘圃 및 園藝團地 等의 非永年作物 栽培地를 대상으로 本 硏究를 實施하여 다음과 같은 結果를 얻었다. 1. 調査期間中 採集된 土壤動物은 總 8, 083個體로서 Acarina가 57.2%, Collembola가 29.3%였다. 2. Acarina의 群集造成은 Cryptostigmatark 74.4%로 가장 많고, Mesostigmata, Prostigmata의 順이었다. 3. Cryptostigmata의 分布를 보면 森林에서 45種(827個體), 竹林42(637), 果樹園34(606), 牧草地 20)(516), 田作地 27(395), 人蔘圃 13(225), 園藝團地 18(148), 桑田 11(88) 等으로 個體數/種數 比率의 非耕作地에 비해 耕作地에서 높은 것으로 나타났다. 4. Cryptostigmata 중 Epilohmannia pallida pacifica A., Tectocepheus velatus M., Scheloribates laevigatus K., S. latipes K., Protoribates lophotricus B., Protoribates monodactylus H. 等의 6種은 全 調査區에서 採集되어 廣範圍한 分布를 보였다. 5. 垂直的分布는 63.8%가 地表下 0-5cm 層에 分布되어 있었으며 5~10cm 層에 26.7%, 10~15cm層에는 9.5%이었다. 6. 土壤 微小節肢動物의 個體數는 有機物과의 사이에서만 垂直的 季節的 分布에 있어서 5% 內에서의 有意性이 認定되었다. This study was carried out to investigate how cultivation affects both the variety of species and the density of soil micro-arthropods. To fulfil this purpose, smples were taken from uncultivated areas such as a forest and a bamboo forest as well as diversely cultivated areas such as a orchard, a pasture, a cultivated upland, a giseng field, a horticultural field, and a mulberry field in Jeonbug Province, South Korea from May, 1981 to February, 1982. The outcome of the study was as follows : 1. Among 8,083 individual number of microarthropods collected, 57.2% were Acarina and 29.3% were Collembola. 2. Acarina consisted of Cryptostigmata (74.4%), Mesostigmata, and Prostigmata. 3. The distribution of cryptostigmata was as follows : Forest-45 species/827 individuals ; Bamboo forest-42sp. /637 indv.; Orchard-34 sp./ 606 indv. ; Pasture-20 sp./516 indv.; Cultivated upland-27 sp./395 indv.; Ginseng field-18sp./148indv.; Mulberry field-11 sp./88indv. The individual numbers/species numbers ratio of Cryptostigmata was higher in cultivated lands. There was more species variety with a small number of individuals in uncultivated lands, but less species variety with a larger number of individuals in cultivated lands. 4. 6-species of Cryptostigmata were found in all study area : Epilohmannia pallida pacifica A., Tectocepheus velatus M., Scheloribates laevigatus K., S. latipes K., Protoribates lophotricus B., Protoribates monodactylus H. 5. The vertical distribution of soil micro-arthropods was as follows : 0-5cm subsoil-approximately 63.8%, 5-10cm subsoil-approximately 26.7%, 10-15cm subsoil-approximately 9.5%. 6. Seasonal density fluctuation of soil micro-arthropods was low in spring, highest in fall, and decrease to winter. 7. In both seasonal density fluctuation and vertical distribution, a positive correlation and difference were observed between organic materials and total individual numbers of micro-arthropods. This was also true in the case of Cryptostigmata.

      • 産業間 資本構造差異에 관한 實證的 分析

        朴筍植,趙成子 효성여자대학교 산업경영연구소 1990 경영경제 Vol.7 No.-

        There are two perspectives about the affecting of capital structure of the value of the firm. One is irrelevancy theorem, the other is optimal capital structure theory. In irrlevancy theorem, capital structure has no effect on the value of the firm. In optimal capital structure, however, the value of the firm depends on the capital structure. In general, it is accepted that the latter is more valid under more realistic assumptions about the existence of bankruptcy costs and agency costs due to uncertainty in capital market. If optimal capital structure of individual firm exists, firms in the same industry have the same capital structure. If it is true, each industry has different capital structure by examing inter-industry differences in capital structure. For this purpose, cross-sectional analysis and time series analysis are used. The hypotheses tested in this study can be summarized as follows: <hypothesis> 1. H∧O : Firms in different industries have the same capital structure. H∧A : Firms in different industries have systematically different capital structure. 2. H∧O : The relative rankings of mean industry capital structure across time are random. H∧A : The relative rankings of mean industry capital structures across time are stable. 3. H∧O : The movement of a firm's leverage with respect to the industry mean is random. H∧A : The leverage of firms within an industry tends to converge to the mean industry leverage. For analysis, this thesis examined the capital structure of 9 industries covering 118 firms from1980 to 1987. For each industry in a given research term, the ratio of debt in the capital structure was calculated. Statistical tests methods, One-Way Analysis of Variance, Correlation Analysis, and Fisher Exact Probability test, is employed. We draw three major conclusions from these test results. First, capital structure of different industries in korea is highly significant at least between two industries, but pairwise tests which analyze the differences among various industries represent that differences between two industries is not statistically significant. Second, to analysis that the relative rankings of mean industry of capital structures across time are stable, correlation analysis is employed. As a result, the relative rankings of capital structures across time are not stable. For the third of this study, Fisher Exact Probability test is employed. The results show that the movement of capital structure of firms within an industry with respect to the industry mean is random

      • 평면변형압축시험에 의한 각종 모래의 변형특성 이방성

        박춘식,황성춘 國立 昌原大學校 産業技術硏究所 2000 産技硏論文集 Vol.14 No.-

        공중낙하법에 의해 만든 등방압밀 모래공시체를 미소변형률 측정장치를 사용한 평면변형률압축시험을 실시하여 미소변형률에서 파괴후까지의 강성률에 대한 이방성을 연구하였다. 세계 각국의 주요 연구기관에서 사용되고 있는 7종류의 연구용 표준사 공시체를 멤브레인의 관입에 의한 오차와 변위를 외부에서 측정함으로 하여 생기는 오차(bedding error) 등의 영향을 제거하여 측정한 최대주응력방향의 변형률과 최소주응력방향의 변형률을 각각 0.0001%에서 10%까지 넓은 범위에 걸친 응력-변형률 관계를 얻었다. 그 결과 최대 영률 ??은 퇴적면과 최대주응력 σ₁이 이루는 각도 δ에 관계없이 일정하였다. 그러나, 정규화한 ??은 모래의 종류에 따라 달랐다. 또, 강성률의 변형률 수준과 응력 수준에 대한 의존성은 δ가 감소함에 따라 증가하였다. Anisotropy of stiffness, from extremely small strains to post-failure strains, of isotropically consolidated air-pluviated sands in plane strain compression was studied by using the newly developed instrumentation for small strain measurements. Seven types of sand of the world-wide origins were tested, which have been extensively used for research purposes. Stress-strain relationships for a wide range of strain from about 0.0001% to 10% were obtained with measuring axial and lateral strains locally free from the effects of bedding and membrane penetration errors at the specimen boundaries. It was found that the maximum Young's modulus ?? was irrespective of the angle δ of the σ₁direction relative to the bedding plane. However, the normalized ?? was varied with the types of sand. Furthermore, the dependency of the strain and stress level on the stiffness was increased as δ decreased.

      • 두경부에서 생긴 림프종에서 EBV와 HTLV-1의 검색

        박준식,정효순,권성우,이상숙 경북대학교 병원 2003 경북대학교병원의학연구소논문집 Vol.7 No.1

        Background and Objectives : Extranodal non-Hodgkin's lymphoma(NHL) of the head and neck(H&N) accounts for 10-20% of all cases of NHL. Despite their frequency, the cause of these lymphomas is still poorly understood. Recently, the role of viral origin in NHLs, including Epstein-Barr virus(EBV), as the main cause of sinonasal lymphomas of T/NK cell phenotype and HTLV-1 as a cause of acute T-cell lymphoma/leukemia has been well documented. We investigated the clinicopathologic findings, immunophenotypic profile, and status of EBV and HTLV-1 DNA of patients with H&N lymphoma. Materials and Methods : Twenty-seven patients with NHL of H&N region were studied. There were 15 males and 12 females with the median age of 50 years. All patients were reclassified according to the Working formulation(WF) and REAL classification. EBV genome DNA and HTLV-1 RNA were surveyed by PCR assay using formalin-fixed and paraffin-embedded tissue blocks. Results : The tonsil was the most commonly involved site(44.4%) followed by nasal cavity(18.5%), nasopharynx(18.5%) and orbit(7.4%). Immunophenotyping revealed 19 cases of B cell lineage, 7 cases of T cell lineage and one case of null cell type. Most of B-cell lymphomas were diffuse large cell lymphomas(58%). Tonsillar lymphomas were all B-cell origin. Four of the five nasal cavity lymphomas and one nasopharyngeal lymphoma showed an angiocentric T/NK cell phenotype with strong association with EBV. EBV genome was detected in 15 of 26 H&N NHLs(57.7%). Seven of 19 B-cell lymphomas(36.8%) and all T/NK or null cell type lymphomas were positive for EBV DNA. However, there was no HTLV-1 positive cases found. Conclusions : It could be concluded that the high incidence of EBV of angiocentric T/NK-cell lymphomas of the nasal cavity may indicate a probable role of EBV in the development of these lymphomas.

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