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정보시스템 성과 평가 방법에 관한 연구 : Balanced Scorecard를 중심으로
정영일,박득,나광윤 한국정보전략학회 2001 한국정보전략학회지 Vol.4 No.2
Performance measurement methodology to Information Systems has been and is an hot issue. There is concern that poor measurement procedures mean it is difficult to select projects for investment, to control development and to measure business return after implementation. This concern has been matched by increased activity in researching IS performance measurement methodology. Previous financial measures in a information systems is insufficient. Many business leaders now evaluate corporate performance by supplementing financial accounting data with goal-realted measure from the following perspective: customer, internal business process, and learning and growth. The balanced scorecard(BSC) has emerged as a decision support tool at the performance measurement. This article develops a balanced scorecard for information systems that measures and evaluates IS activities from the four perspectives of BSC. In the future study, it would be much better to consider the role of strategy in IS and the causal relationships among measures of BSC.
Deuk-Yeong Lee,Geun-Hyoung Choi,Jin-Ho Rho,Hyo-Sup Lee,Sang-Won Park,Kyeong-Yeol Oh,김진효 한국응용생명화학회 2020 Journal of Applied Biological Chemistry (J. Appl. Vol.63 No.3
The long-chained perfluoroalkyl acids (PFAAs), perfluorooctanoic acid (PFOA) and perfluorooctanesulfonic acid (PFOS), are a potential exposure risk in the environment, specifically for humans due to high levels of bioaccumulation, persistence, and toxicity. In the current study, the plant uptake factors (PUFs) of spinach and Welsh onion were investigated on the three different concentration levels of PFOA and PFOS in soil. Spinach and Welsh onion were divided into three residue groups, a control group and two levels of PFOA and PFOS. The PFAAs spiked soils were aged for six months and the extractable residue of PFOS in the aged soil was reduced to 30-59% of the initial spiked concentrations for PFOS, while PFOA showed almost the same initial spiked concentrations. The PUFs for PFOA and PFOS were 0.111-2.821 and 0.047-3.175 for spinach, and 0.203-0.738 and 0.035-0.181 for Welsh onion, respectively. The highest PUF values in both vegetable were displayed when the residual concentration of PFAAs were part-per-billion (ppb) or sub-ppb in soil.
낙동강 중류 유역의 단열계 특성 및 지하수계와의 관련성
김득호 ( Deuk Ho Kim ),이종현 ( Jong Hyun Lee ),박규태 ( Kyu Tae Park ),김성창 ( Seong Chang Kim ),최유미 ( Yu Mi Choi ),서유리 ( Yu Ri Seo ),노경명 ( Gyung Myung Noh ),함세영 ( Se Yeong Hamm ) 대한지질공학회 2008 지질공학 Vol.18 No.4
낙동강 중류 지역(함안군, 창령군, 의령군)의 백악기 퇴적암의 단열계 특성(단열의 방향성과 단열계 밀도도)을 파악하고, 단열과 단층, 수계 그리고 연구지역내 지하수공의 일일 사용량과의 관련성을 분석하였다. 단열계는 JI(N90°-110°E), J2(N0°-35°E), J3(N0°-35°W)로 분류되며, 주로 남북방향과 동서방향 단열군의 방향성이 우세하다. 연구지역의 동편과 서편의 함안층 분포지역에서는 남북방향의 단열계가 우세한 반면에, 연구지역의 중간부분인 칠곡층 분포지역에서는 동서방향의 단열계가 우세하다. 이는 연구지역의 동편과 서편에 위치하는 북북동-남남서 방향의 단층계와 관련되는 것으로 보인다. 또한 낙동강 주변에서도 단열 밀도가 높게 나타나며, 이는 동서방향의 단열계가 낙동강과 연관됨을 암시한다. 한편, 연구지역내 지하수공의 일일 사용량과 단열 밀도 간에는 약한 양의 상관성을 보이며, 지하수 비양수량과 단열 밀도간에는 음의 상관성을 보인다. 이는 단열 밀도가 지하수 산출량을 결정하는 주요 요인이 될 수 없음을 지시한다. The characteristics of joint system (joint orientation and density) were studied for Cretaceous sedimentary rocks in the Nakdong River mid-basin (Haman-Gun, Changnyeong-Gun, and Uiryeong-Gun areas), and were related with faults, river system, and groundwater usage in the study area. The joint system was classified into JI (N90°-110°E), J2 (N0°-35°E), and J3 (N0°-35°W), and was dominant along N-S and E-W directions. The N-S trending joint system is dominant in Haman Formation in the eastern and western parts of the study area, while the E-W trending joint system is prevalent in Chilgok Formation in the central part. The joint system may be associated with the faults located in the eastern and western parts in the study area which are elongated to NNE-SSW direction. Additionally, the joint density is higher along the Nakdong River, indicating close relationship between E-W trending joints and the river. Daily groundwater discharge versus joint density shows weak positive relationship, and specific capacity versus joint density appears negatively related. This indicates that groundwater occurrence does not greatly rely on joint density.