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      • KCI등재후보

        피부생검으로 확진한 관동맥 조영술 후의 중증 콜레스테롤 색전증 2예

        장성희,진승원,박희철,장이선,윤희정,이혜경,김희열,김종진,박준철,채장성,김재형,홍순조,최규보 대한내과학회 2002 대한내과학회지 Vol.63 No.1

        Cholesterol embolism is due to dislodgment of cholesterol crystals from the atheromatous aorta resulting in an occlusion of small arteries. Cholesterol emboli may occur spontaneously but usually develops as a complication of vascular procedures. The organs most frequently involved are the skin and the kidneys but any organ can be affected. Cutaneous manifestations include livedo reticularis, indurated firm violaceous painful plaques and noduli tending to show central necrosis and tender blue toes. We report two cases of cutaneous cholesterol embolization of lower extremities with the impairment of renal function after coronary angiography, proven by skin biopsy.(Korean J Med 63:79-84, 2002) 최근 관동맥 조영술 등의 침습적 혈관검사들이 빈번해 짐에 따라 동맥경화증의 위험인자를 지닌 환자들에게서 콜레스테롤 색전증의 발생 가능성도 증가하는 추세이다. 확진은 침범된 장기의 조직검사를 통해 이루어지며, 타 장기의 조직검사보다 피부병변의 조직검사가 비침습적이고, 진단률이 높아 콜레스테롤 색전증의 진단에 피부생검은 유용하게 이용될 수 있는 검사이다.

      • KCI등재

        Effects of Wastewater Treatment Plants (WWTPs) on Downstream Water Quality and Their Comparisons with Upstream Water Quality in Major Korean Watersheds

        장성희,김현맥,안광국 한국하천호수학회 2009 생태와 환경 Vol.42 No.4

        The purpose of the study was to evaluate spatial and temporal effects of wastewater treatment plants (WWTPs) on the water quality of downstreams (Tan Stream, TS; Daemyeong Stream, DS; Gwangju Stream, GS, and Kap Stream, KS) located in four major watersheds along with impact analysis of nutrient enrichments on the WWTPs during 2004~2008. In the four streams, seasonal means of BOD, COD, TN, and TP were significantly (p⁄0.01) greater in the downstreams (Ds) than the upstreams (Us). The removal effect of nutrients (nitrogen, and phosphorus) from the WWTPs was much less than the BOD, indicating a greater nutrient impact on the downstreams. Seasonal dilution of organic matter, based on BOD, during the summer monsoon of July~ September was most pronounced in the downstreams of all four watersheds. However, mean TN in the downstreams during the monsoon varied little in all four streams. Regression analysis of TN in the downstreams against TN from the WWTPs showed that in the TS, and DS regression slopes in the upstreams were similar to the slopes of downstream but there was a significant difference in the GS (p⁄0.001) and KS (p⁄ 0.01). Tan-Stream WWTP showed low removal efficiency of BOD and COD concentrations, compared to the nutrients, whereas, two WWTPs of Gwangju and Kap Stream had low removal effects in TN and TP. Regression analysis of TN and BOD in the downstreams showed that they was closely related (p⁄0.01) with stream water volume only in the GS. Our data analysis suggests that greater treatment efficiencies of phosphorus and nitrogen from the WWTPs may improve the downstream water quality. The purpose of the study was to evaluate spatial and temporal effects of wastewater treatment plants (WWTPs) on the water quality of downstreams (Tan Stream, TS; Daemyeong Stream, DS; Gwangju Stream, GS, and Kap Stream, KS) located in four major watersheds along with impact analysis of nutrient enrichments on the WWTPs during 2004~2008. In the four streams, seasonal means of BOD, COD, TN, and TP were significantly (p⁄0.01) greater in the downstreams (Ds) than the upstreams (Us). The removal effect of nutrients (nitrogen, and phosphorus) from the WWTPs was much less than the BOD, indicating a greater nutrient impact on the downstreams. Seasonal dilution of organic matter, based on BOD, during the summer monsoon of July~ September was most pronounced in the downstreams of all four watersheds. However, mean TN in the downstreams during the monsoon varied little in all four streams. Regression analysis of TN in the downstreams against TN from the WWTPs showed that in the TS, and DS regression slopes in the upstreams were similar to the slopes of downstream but there was a significant difference in the GS (p⁄0.001) and KS (p⁄ 0.01). Tan-Stream WWTP showed low removal efficiency of BOD and COD concentrations, compared to the nutrients, whereas, two WWTPs of Gwangju and Kap Stream had low removal effects in TN and TP. Regression analysis of TN and BOD in the downstreams showed that they was closely related (p⁄0.01) with stream water volume only in the GS. Our data analysis suggests that greater treatment efficiencies of phosphorus and nitrogen from the WWTPs may improve the downstream water quality.

      • KCI등재후보

        Environmental Uncertainty, Entrepreneurship and the Social Factors Affecting a Company's Performance

        장성희,이창원,마윤주 한국로고스경영학회 2010 로고스경영연구 Vol.8 No.3

        The purpose of this study is to analyze environmental factors affecting entrepreneurship, social enterprise business performance and factors that affect social achievements. In order to achieve the objectives of the study, social enterprises did an empirical analysis to 102 participants. Questionnaires have been collected during two months of 2010 and total one hundred‐two has been considered to be valid. Smart PLS (partial least square) 2.0 and SPSS 15.0 have been utilized for deriving the study results. These findings provide significant implications for social enterprises.

      • KCI등재

        추구편익이 MICE 참가자의 만족과 행동의도에 미치는 영향

        장성희 사단법인 인문사회과학기술융합학회 2018 예술인문사회융합멀티미디어논문지 Vol.8 No.2

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        MICE is a convergence industry that attracts meeting, incentive travels, conventions, and exhibitions to promote local economy and job creation. The purpose of this study is to examine the factors influencing behavioral intention and satisfaction of benefit sought in MICE participants. This model tests various theoretical research hypotheses relating the MICE industry, benefit sought, satisfaction, and behavioral intention. This study classifies experience benefit, leisure benefit, escape daily, and purchasing activity as benefit sought. In this study, questionnaires were collected from 215 people who had participated in MICE and structural equation model was analyzed using Smart PLS 2.0. The result of hypothesis testing are as follows. First, experience benefit, leisure benefit, escape daily, and purchasing activity positively influence perceived satisfaction of MICE industry. Second, satisfaction positively influence revisit intention and word-of-mouth intention of MICE. This study will provide theoretical and practical implications of benefit sought and behavioral intention of MICE. MICE는 지역 경제와 일자리 창출을 촉진하기 위해 회의, 포상관광, 컨벤션 및 전시회를 유치하는 융합 산업이다. 본 연구는 MICE 참가자의 추구편익이 참가자들의 만족과 행동의도에 영향을 미치는 요인을 검증하는 것이 목적이다. 본 연구에서는 MICE 산업, 추구편익, 만족과 행동의도에 관한 이론적 배경을 바탕으로 연구모형 및 연구가설을 설정하여 추구편익이 만족과 행동의도와의 관계를 검증하고자 한다. 추구편익은 체험편익, 여가편익, 일상탈피, 구매활동으로 분류하였다. 본 연구에서는 MICE에 참여한 경험이 있는 215명을 대상으로 설문지를 수집하였으며, Smart PLS 2.0으로 구조방정식 모형을 분석하였다. 본 연구의 분석결과를 요약하면 다음과 같다. 첫째, 체험편익, 여가편익, 일상탈피, 구매활동이 만족에 정(+)의 영향을 미치는 것으로 나타났다. 둘째, 만족은 재참가의도 및 구전의도에 정(+)의 영향을 미치는 것으로 나타났다. 본 연구의 결과는 MICE 산업의 추구편익과 행동의도에 대해 분석하여 이론적 시사점 및 실무적인 시사점을 제공할 것이다.

      • KCI등재

        조직의 자원을 고려한 RFID 도입단계별 영향요인에 관한 실증연구

        장성희,이동만 한국경영정보학회 2009 Asia Pacific Journal of Information Systems Vol.19 No.3

        RFID(Radio Frequency IDentification) is a wireless frequency of recognition technology that can be used to recognize, trace, and identify people, things, and animals using radio frequency(RF). RFID will bring about many changes in manufacturing and distributions, among other areas. In accordance with the increasing importance of RFID techniques, great advancement has been made in RFID studies. Initially, the RFID research started as a research literature or case study. Recently, empirical research has floated on the surface for announcement. But most of the existing researches on RFID adoption have been restricted to a dichotomous measure of 'adoption vs. non-adoption' or adoption intention. In short, RFID research is still at an initial stage, mainly focusing on the research of the RFID performance, integration, and its usage has been considered dismissive. The purpose of this study is to investigate which factors are important for the RFID adoption and implementation with organizational resources. In this study, the organizational resources are classified into either finance resources or IT knowledge resources. A research model and four hypotheses are set up to identify the relationships among these variables based on the investigations of such theories as technological innovations, adoption stage, and organizational resources. In order to conduct this study, a survey was carried out from September 27, 2008 until October 23, 2008. The questionnaire was completed by 143 managers and workers from physical distribution and manufacturing companies related to the RFID in South Korea. 37 out of 180 surveys, which turned out unfit for the study, were discarded and the remaining 143(adoption stage 89, implementation stage 54) were used for the empirical study. The statistics were analyzed using Excel 2003 and SPSS 12.0. The results of the analysis are as follows. First, the adoption stage shows that perceived benefits, standardization, perceived cost savings, environmental uncertainty, and pressures from rival firms have significant effects on the intent of the RFID adoption. Further, the implementation stage shows that perceived bene fits, standardization, environmental uncertainty, pressures from rival firms, inter-organizational cooperation, and inter-organizational trust have significant effects on the extent of the RFID use. In contrast, inter-organizational cooperation and inter-organizational trust did not show much impact on the intent of RFID adoption while perceived cost savings did not significantly affect the extent of RFID use. Second, in the adoption stage, financial issues had adverse effect on both inter-organizational cooperation and the intent against the RFID adoption. IT knowledge resources also had a deterring effect on both perceived cost savings and the extent of the RFID adoption. Third, in the implementation stage, finance resources had a moderate effect on environmental uncertainty and extent of RFID use while IT knowledge resources had also a moderate effect on perceived cost savings and the extent of the RFID use. Limitations and future research issues can be summarized as follows. First, it is difficult to say that the sample is large enough to be representative of the population. Second, because the sample of this study was conducted among manufacturers only, it may be limited in analyzing fully the effect on the industry as a whole. Third, in consideration of the fact that the organizational resources in the RFID study require a great deal of researches, this research may deem insufficient to fulfill the purpose that it initially set out to achieve. Future studies using performance research are, therefore, needed to help better understand the organizational level of the RFID adoption and implementation.

      • SNS의 사회적 관계부담과 전환의도에 영향을 미치는 요인

        장성희,노미진 한국산업경제학회 2016 한국산업경제학회 정기학술발표대회 논문집 Vol.2016 No.11

        본 연구는 SNS의 사회적 관계부담과 전환의도에 영향을 미치는 요인을 검증하는 것이 목적이다. 사회적 관계부담에 영향을 미치는 요인으로 SNS 스트레스 요인(정보 과잉, 시스템 과부하)과 SNS 구조적 요인(밀도, 다중성)으로 분류하였다. SNS, 사회적 관계부담, 전환의도에 대한 이론적 배경을 바탕으로 연구모형과 가설을 설정하였다. 본 연구에서는 SNS 이용자 252명을 대상으로 Smart PLS 2.0을 이용하여 구조방정식 모형을 분석하였다. 분석결과를 요약하면 다음과 같다. 첫째, 정보 과잉과 시스템 과부하는 사회적 관계부담에 정(+)의 영향을 미치는 것으로 나타났다. 둘째, 밀도와 다중성은 사회적 관계부담에 정(+)의 영향을 미치는 것으로 나타났다. 셋째, 사회적 관계부담은 전환의도에 정(+)의 영향을 미치는 것으로 나타났다. 본 연구의 결과는 SNS의 사회적 관계부담과 전환의도에 영향을 미치는 요인에 대한 이론적인 시사점과 SNS 서비스 제공업체에게 실무적인 시사점을 제공할 수 있을 것이다.

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